CN2790353Y - Intelligent delay cut-off electric-heating kettle - Google Patents
Intelligent delay cut-off electric-heating kettle Download PDFInfo
- Publication number
- CN2790353Y CN2790353Y CN 200520034115 CN200520034115U CN2790353Y CN 2790353 Y CN2790353 Y CN 2790353Y CN 200520034115 CN200520034115 CN 200520034115 CN 200520034115 U CN200520034115 U CN 200520034115U CN 2790353 Y CN2790353 Y CN 2790353Y
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- water
- kettle
- delay cut
- cut
- microcontroller
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Abstract
The utility model discloses an intelligent delay cut-off electric-heating kettle, which is provided with a setting circuit for the persistence time of water boiling and a microcontroller of a time delay circuit of water heating. The previous circuit is used for setting the persistence time of the water boiling according to drinking water standard, and the latter circuit is used for controlling the time delay cut-off of a heating switch. Heating delay time is equal to the persistence time of setting the water boiling. The utility model is also comprises a temperature sensor which is arranged on a bottom part in the intelligent delay cut-off electric-heating kettle or the periphery of a heater, and a monitoring circuit of the water boiling of an I/O port of the microcontroller, wherein the temperature sensor is used for carrying out real-time monitoring to water temperature. Once the water temperature persists without raising, a monitored signal of the water boiling is sent towards the microcontroller which is used for setting the persistence time of the water boiling in conformity with drinking water standard according to water quality and the geographic environment of the intelligent delay cut-off electric-heating kettle. The heating switch is controlled for corresponding delay cut-off. The utility model has the advantages of novel design and reliable performance. Water in the intelligent delay cut-off electric-heating kettle can be in conformity with the drinking water standard, and can also be heated to a non boiling temperature set by a user as required. A serious accident of dry burning can not occur.
Description
Technical field
The utility model relates to the water cooking appliance as kettle, relates in particular to a kind of electric kettle of intelligent delay cut-off.
Background technology
Can isolate in the running water behind chlorination and multiplely have chemical substances such as potential pernicious teratogenesis, carcinogenic, mutagenic volatility halogenated hydrocarbons and chloroform, and these content of harmful are ever-increasing when water temperature constantly raises.When water temperature reaches 99 ℃, the concentration of narmful substance amount increases in the water, surpasses the drinking water national standard more than 2 times; When water temperature rises to 100 ℃, content of harmful can descend to some extent, halogenated hydrocarbons and chloroform content are respectively every liter and contain 110 micrograms and 99 micrograms, all surpass the drinking water national standard, continue boiling, content of harmful can descend rapidly, generally after 3 minutes, halogenated hydrocarbons and chloroform content are reduced to every liter respectively rapidly and are contained 9.2 micrograms and 8.3 micrograms, just are lower than the standard limit value.If water is continued to boil, the content of halogenated hydrocarbons and chloroform also can descend to some extent.But the amount of material of other fixedness but can increase in the water, and is harmful equally, therefore, boils water to seethe with excitement about 3 minutes for good.Yet, existing electric kettle adopts bimetal type single-throw mechanical switch as the temperature control device mostly, water-in-kettle is heated to the temperature of bimetal leaf deformation, the temperature control device is with regard to deenergization, make the temperature of water-in-kettle can only reach a particular value, the boiling duration is too short, even can not seethe with excitement, and does not meet the drinking water national standard.If bimetal type single-throw mechanical switch is arranged on by the kettle mouth, just deenergization of enough deformation takes place in thermal accumlation to the setting value by water boiling back steam stream, when the water-in-kettle amount is on the low side, bimetal leaf can not reach the temperature of deformation all the time, switch failure makes the water-in-kettle boiling duration long, does not also meet the drinking water national standard, under the situation that nobody looks after, the major accident of dry combustion method also can appear.
Summary of the invention
Technical problem to be solved in the utility model is the defective that technology is arranged that remedies present setting, proposes a kind of electric kettle of intelligent delay cut-off, makes water-in-kettle can meet the requirement of drinking water standard to the boiling duration.
Technical problem of the present utility model is solved like this:
The electric kettle of this intelligent delay cut-off comprises heater switch that connects power supply and the heater that is connected power supply through heater switch.
The characteristics of the electric kettle of this intelligent delay cut-off are:
Be provided with the microcontroller that comprises water boiling duration initialization circuit and water delay circuit heat time heating time, water boiling duration initialization circuit is set the water boiling duration according to drinking water standard, water delay circuit heat time heating time control heater switch delay cut-off, heating delay-time equals to set the water boiling duration.
Be provided with and comprise the temperature sensor that is arranged on around kettle inner bottom part or the heater and the water boiling observation circuit of microcontroller I/O mouth, temperature sensor is monitored in real time to water temperature, in case water temperature continues no longer to raise, just to the signal of microcontroller transmitting supervisory to the water boiling, microcontroller is set the water boiling duration that can meet drinking water standard according to water quality and kettle geographical environment of living in, the outage of control heater switch corresponding delay.
Technical problem of the present utility model can be solved so according to qualifications:
Also be provided with at least one water temperature initialization circuit, water-in-kettle is heated to the temperature of not seething with excitement that the user sets as required, and the microprocessor control heater switch is cut off the power supply immediately.
Described heater switch is relay or the silicon crystal thyratron that its coil is connected in series in the switching transistor major loop that is subjected to microprocessor control.
Described heater is the resistance-type heating that adopts metal material or nonmetallic materials.
Technical problem of the present utility model can further be solved like this:
The water temperature initialization circuit of one anti-dry is arranged in the described water temperature initialization circuit, and water-in-kettle is heated to the temperature of setting, and the caution water-in-kettle is about to dryout, and the microprocessor control heater switch is cut off the power supply immediately.
Described water temperature initialization circuit is the water temperature initialization circuit that comprises resitstance voltage divider and microcontroller I/O mouth, preferably includes the resitstance voltage divider of precision-matched and the water temperature initialization circuit of microcontroller I/O mouth.
The resistance-type heating of described employing metal material is resistance-type heating wire, resistance-type electrothermal tube or resistance-type electric hot plate.
The resistance-type heating of described employing nonmetallic materials is positive temperature coefficient heatings.
The utility model is novel, dependable performance, set the water boiling duration that can meet drinking water standard by microcontroller according to water quality and kettle geographical environment of living in, control heater switch intelligence delay cut-off, water-in-kettle can meet drinking water standard, can also be heated to the temperature of not seething with excitement that the user sets as required, the major accident of dry combustion method can not occur.
Description of drawings
Below the contrast accompanying drawing and in conjunction with the specific embodiment the utility model is described in further detail.
Accompanying drawing is the circuit composition diagram of a kind of specific embodiment of the present utility model.
The specific embodiment
A kind of electric kettle of intelligent delay cut-off
The electric kettle of this intelligent delay cut-off comprises that the heater switch S that connects power supply is load R with the resistance-type electrothermal tube that is connected power supply through heater switch
L, be provided with the microcontroller MCU that comprises water boiling duration initialization circuit and water delay circuit heat time heating time.It is 3 minutes that water boiling duration initialization circuit is set the water boiling duration according to drinking water standard, water delay circuit heat time heating time control heater switch delay cut-off, and heating delay-time equals to set the water boiling duration.Microcontroller MCU adopts 8 HT48R06 chip.
Described heater switch S is a JQX-115-I type switch relay, and its coil is connected in series in the major loop of the switch triode VT that is subjected to microcontroller MCU control, with the I/O mouth PA of switch triode VT, diode VD and microcontroller MCU
3Form the ON-OFF control circuit of heating up water, be subjected to microcontroller MCU control load R
LSwitching.Switch triode VT adopts MMBT4401 type switch triode.
Be provided with by being arranged on load R
LTemperature sensor RT on every side
1, capacitor C
1, resistance R
0, R
1With microcontroller I/O mouth PA
1The water boiling observation circuit of forming, temperature sensor RT
1Adopt MF58 type glass envelope NTC thermistor.
Also be provided with by comprising precision resistance RT
3, capacitor C
3, resistance R
3Resitstance voltage divider and the I/O mouth PA of microcontroller MCU
0The water temperature initialization circuit of forming, water-in-kettle are heated to 63 ℃ of the temperature of not seething with excitement that the user sets as required, and microcontroller MCU control heater switch S cuts off the power supply immediately.Precision resistance RT
3Adopt 1/4W 22k ± 1% resistance.
Also be provided with by comprising precision resistance RT
2, capacitor C
2, resistance R
2Resitstance voltage divider and micro controller I/O mouth PA
2The water temperature initialization circuit of the anti-dry of forming, water-in-kettle are heated to 105 ℃ of the temperature of setting, and the caution water-in-kettle is about to dryout, and microcontroller MCU control heater switch S cuts off the power supply immediately.Precision resistance RT
2Adopt 1/4W5.6k ± 1% resistance.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the utility model is determined by claims of being submitted to.
Claims (10)
1. the electric kettle of an intelligent delay cut-off comprises it is characterized in that heater switch that connects power supply and the heater that is connected power supply through heater switch:
Be provided with the microcontroller that comprises water boiling duration initialization circuit and water delay circuit heat time heating time, water boiling duration initialization circuit is set the water boiling duration according to drinking water standard, water delay circuit heat time heating time control heater switch delay cut-off, heating delay-time equals to set the water boiling duration;
Be provided with and comprise the temperature sensor that is arranged on around kettle inner bottom part or the heater and the water boiling observation circuit of microcontroller I/O mouth, temperature sensor is monitored in real time to water temperature, in case water temperature continues no longer to raise, just to the signal of microcontroller transmitting supervisory to the water boiling, microcontroller is set the water boiling duration that can meet drinking water standard according to water quality and kettle geographical environment of living in, the outage of control heater switch corresponding delay.
2. according to the electric kettle of the described intelligent delay cut-off of claim 1, it is characterized in that:
Be provided with at least one water temperature initialization circuit, water-in-kettle is heated to the temperature of not seething with excitement that the user sets as required, and the microprocessor control heater switch is cut off the power supply immediately.
3. according to the electric kettle of the described intelligent delay cut-off of claim 2, it is characterized in that:
The water temperature initialization circuit of one anti-dry is arranged in the described water temperature initialization circuit, and water-in-kettle is heated to the temperature of setting, and the caution water-in-kettle is about to dryout, and the microprocessor control heater switch is cut off the power supply immediately.
4. according to the electric kettle of claim 2 or 3 described intelligent delay cut-offs, it is characterized in that:
Described water temperature initialization circuit is the water temperature initialization circuit that comprises resitstance voltage divider and microcontroller I/O mouth.
5. according to the electric kettle of the described intelligent delay cut-off of claim 4, it is characterized in that:
Described water temperature initialization circuit is to comprise the resitstance voltage divider of precision-matched and the water temperature initialization circuit of microcontroller I/O mouth.
6. according to the electric kettle of claim 1 or 2 or 3 or 5 described intelligent delay cut-offs, it is characterized in that:
Described heater switch is the relay that its coil is connected in series in the switching transistor major loop that is subjected to microprocessor control.
7. according to the electric kettle of claim 1 or 2 or 3 or 5 described intelligent delay cut-offs, it is characterized in that:
Described heater switch is the silicon crystal thyratron.
8. according to the electric kettle of claim 1 or 2 or 3 or 5 described intelligent delay cut-offs, it is characterized in that:
Described heater is the resistance-type heating that adopts metal material or nonmetallic materials.
9. according to the electric kettle of the described intelligent delay cut-off of claim 8, it is characterized in that:
The resistance-type heating of described employing metal material is resistance-type heating wire, resistance-type electrothermal tube or resistance-type electric hot plate.
10. according to the electric kettle of the described intelligent delay cut-off of claim 8, it is characterized in that:
The resistance-type heating of described employing nonmetallic materials is positive temperature coefficient heatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034115 CN2790353Y (en) | 2005-04-29 | 2005-04-29 | Intelligent delay cut-off electric-heating kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034115 CN2790353Y (en) | 2005-04-29 | 2005-04-29 | Intelligent delay cut-off electric-heating kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2790353Y true CN2790353Y (en) | 2006-06-28 |
Family
ID=36806435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520034115 Expired - Fee Related CN2790353Y (en) | 2005-04-29 | 2005-04-29 | Intelligent delay cut-off electric-heating kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2790353Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101301165B (en) * | 2008-06-17 | 2011-11-30 | 孟卓 | Electric heating kettle and method for burning water and use method |
| CN103592857A (en) * | 2013-09-04 | 2014-02-19 | 梁洪浪 | Full-automatic toxin expelling device for boiled water |
| CN103932585A (en) * | 2014-05-04 | 2014-07-23 | 浙江建设职业技术学院 | Intelligent electric kettle |
| CN106618207A (en) * | 2017-01-20 | 2017-05-10 | 浙江建设职业技术学院 | Novel intelligent water dispenser |
-
2005
- 2005-04-29 CN CN 200520034115 patent/CN2790353Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101301165B (en) * | 2008-06-17 | 2011-11-30 | 孟卓 | Electric heating kettle and method for burning water and use method |
| CN103592857A (en) * | 2013-09-04 | 2014-02-19 | 梁洪浪 | Full-automatic toxin expelling device for boiled water |
| CN103932585A (en) * | 2014-05-04 | 2014-07-23 | 浙江建设职业技术学院 | Intelligent electric kettle |
| CN103932585B (en) * | 2014-05-04 | 2016-03-02 | 浙江建设职业技术学院 | Intelligent electric kettle |
| CN106618207A (en) * | 2017-01-20 | 2017-05-10 | 浙江建设职业技术学院 | Novel intelligent water dispenser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060628 |