CN201160763Y - Water temperature and level observing and controlling circuit of teakettle matching electromagnetic oven - Google Patents
Water temperature and level observing and controlling circuit of teakettle matching electromagnetic oven Download PDFInfo
- Publication number
- CN201160763Y CN201160763Y CNU2008200925892U CN200820092589U CN201160763Y CN 201160763 Y CN201160763 Y CN 201160763Y CN U2008200925892 U CNU2008200925892 U CN U2008200925892U CN 200820092589 U CN200820092589 U CN 200820092589U CN 201160763 Y CN201160763 Y CN 201160763Y
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- electromagnetic oven
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- kettle
- water temperature
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Abstract
The utility model discloses a water temperature and level test and control circuit for a teakettle matched with an induction cooker, and aims to realize the intellectualized boiling of the induction cooker. The water temperature and level test and control circuit comprises a water temperature and level test and data transmission circuit installed in a teakettle handle at the side of the teakettle, the circuit comprises a power circuit, an MCU1 and a data signal receiving circuit, wherein, the power circuit comprises an inductor installed in the lower part of the teakettle handle, the inductor is connected with a rectification filtering circuit and a voltage regulator circuit to change alternating current into direct current to provide power for the test and control circuit; the input port of the MCU1 is respectively connected with the temperature testing circuit and the water level testing circuit, the output port thereof is connected with an infrared emitting circuit and an emitting head to emit data signals outwards; the data signal receiving circuit comprises a receiving head and an MCU2 for controlling the induction cooker, the circuit is connected with the control circuit of the induction cooker, and a nixie tube in the circuit displays the water temperature in the teakettle; after water is boiled, the MCU2 stops the oven from heating, and when water is not enough in the teakettle, the MCU2 does not allow the oven to heat.
Description
Technical field
The utility model relates to a kind of water temperature and water level measuring and controlling circuit of kettle teapot, the water temperature and the water level measuring and controlling circuit of the kettle teapot that particularly a kind of and electromagnetic oven is supporting.
Background technology
Boil water with electromagnetic oven and in current family life, to have obtained very general application, electromagnetism teapot particularly, being used for specially heats up water makes tea, but existing some shortcomings needs to solve: on the one hand, because the temperature that common electromagnetic oven can only be tested boiler face, and the water temperature in the temperature of boiler face and the kettle is to exist very big difference, and the water yield in kettle is many more, and this difference is just big more.So common electromagnetic oven generally can not be merely be judged according to the temperature of test boiler face whether water has boiled,, use very inconvenient so must judge the water back manual-lock electromagnetic oven that boils by the user.On the other hand, whether water is arranged in the kettle, common electromagnetic oven can't judge, as long as there is kettle to be placed on the boiler face, electromagnetic oven is heating automatically just.If when anhydrous empty kettle was put on the boiler face, it also can heat automatically.This not only causes the waste of resource, also might burn out kettle, causes unexpected accident, even damages electromagnetic oven.Therefore design the water temperature of the water in the kettle teapot that can accurately detect on the electromagnetic oven and the telemetry circuit of water level, be very important.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes above-mentioned prior art, for people provide the water temperature of water in a kind of kettle teapot that can accurately detect on the electromagnetic oven and the telemetry circuit of water level, electromagnetic oven is judged automatically: when not heating when anhydrous in the kettle; When water boils in the kettle, stop heating, thereby realize the intellectuality that electromagnetic oven is heated up water.
In order to realize above-mentioned this purpose, can adopt following technical scheme: the telemetry circuit of the technical program comprises:
One be contained in kettle teapot the side kettle in water temperature and the test and the data radiating circuit of water level, this circuit comprises: a power circuit, this power circuit comprises that a side kettle that is contained in this kettle teapot is axis in the bottom, its inductor core the inductor parallel with the card of electromagnetic oven, this inductor is connected with a current rectifying and wave filtering circuit, and current rectifying and wave filtering circuit changes the alternating voltage of inductor into DC voltage; A mu balanced circuit, this mu balanced circuit is connected with current rectifying and wave filtering circuit, provides power supply with the DC voltage voltage stabilizing and to water temperature and water level measuring and controlling circuit;
Also have a temperature probe that is contained in the kettle teapot, this temperature probe be connected with the input interface of MCU1 again after the temperature test circuit is connected;
In addition, also have one to be contained in the kettle teapot near the water-level probe at the bottom of the kettle, this water-level probe be connected with another input interface of MCU1 again after the water level test circuit is connected; The output interface of this MCU1 is connected with an infrared emission circuit, and this infrared emission circuit is outwards launched corresponding data-signal by an infrared emission head;
A data-signal receiving circuit that is connected with the control circuit of electromagnetic oven, this digital signal receiving circuit comprises the MCU2 of an infrared receiving terminal and a control electromagnetic oven, the MCU2 of this electromagnetic oven is connected with the control circuit of electromagnetic oven, charactron in the control circuit of electromagnetic oven shows the water temperature in the kettle teapot, after water boiled, electromagnetic oven MCU2 control electromagnetic oven stopped heating; When in the kettle when anhydrous, the MCU2 of this electromagnetic oven control electromagnetic oven is disconnected promptly and is not heated.
The operation principle of above-mentioned telemetry circuit is: after opening electromagnetic oven, kettle teapot is placed on the electromagnetism stone or metal plate for standing a stove on as a precaution against fire, the magnetic field of the inductor inductive electromagnetic stove in the test of water temperature and water level and the data radiating circuit produces alternating current, this alternating current becomes the galvanic current source by regulator rectifier circuit, and this dc source provides power supply for whole telemetry circuit.
Water-level probe is sent into signal among the MCU1 by the water level test circuit after testing water level in the kettle, and MCU1 is converted to data signal by digital-to-analogue conversion with water level signal, by infrared emission circuit drives infrared emission head, waterlevel data is sent then.Infrared receiving terminal receives the infrared data signal that the telemetry circuit in the kettle handle that is installed in the kettle side is launched, and sends the MCU2 of electromagnetic oven after handling by amplification to.
Cross low or during anhydrous signal, promptly send instruction to the electromagnetic oven control circuit when electromagnetic oven MCU2 receives the water-in-kettle position, circuit is disconnected promptly and is not heated; After receiving water-in-kettle position normal signal, then send instruction to the electromagnetic oven control circuit, connect circuit and promptly begin heating.
Water temperature probe is sent into signal among the MCU1 by the water temperature test circuit after testing water temperature in the kettle, and MCU1 is converted to data signal by digital-to-analogue conversion with water temperature signal, by infrared emission circuit drives infrared emission head, the water temperature data is sent then.When detecting a certain temperature value in the time in appointment when invariable, show that then water has seethed with excitement, then send water boiling signal by infrared circuit.Infrared receiving terminal receives and is installed in the infrared data signal that the telemetry circuit in the kettle handle is launched, and sends the MCU2 of electromagnetic oven after handling by amplification to.
When electromagnetic oven MCU2 whenever receives a temperature value, just this temperature value is shown by the charactron on the electromagnetic oven.After receiving water boiling signal, the MCU2 of electromagnetic oven sends instruction to the electromagnetic oven control circuit, stops heating.
From above analysis as can be seen, the utility model has the advantages that:
1, existing electromagnetic oven and kettle teapot can be increased the circuit part according to the technical solution of the utility model, then can realize the intellectuality that electromagnetic oven is heated up water, promptly detect the water level and the water temperature of water in the kettle teapot on the electromagnetic oven exactly, and electromagnetic oven can be judged automatically: when not heating when anhydrous in the kettle; When water boils in the kettle, stop heating.It can be widely used in the equipment of heating up water with electromagnetic oven.
2, this telemetry circuit does not need to provide in addition power supply, so it is simple in structure, implements very convenient.
The utility model is more clear to be understood with being convenient in order to make, and below by drawings and Examples it is described further.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the block diagram of the telemetry circuit in the foregoing description.
Fig. 3 is a concrete application circuit of the power circuit among Fig. 2.
The specific embodiment
As Fig. 1, shown in Figure 2, the telemetry circuit of present embodiment comprises that a kettle that is contained in kettle teapot 1 side is the water temperature in 12 and the test and the infrared data radiating circuit plate 13 of water level, circuit 013 in this circuit board comprises: a power circuit 138, this power circuit 138 comprises that kettle that is contained in this kettle teapot 1 is in 12 bottoms, the inductor 1381 that the axis X-X of its inductor core is parallel with the card of electromagnetic oven 2, this inductor 1381 is connected with a current rectifying and wave filtering circuit 1382, and current rectifying and wave filtering circuit 1382 changes the alternating voltage of inductor 1381 into DC voltage; A mu balanced circuit 1383, this mu balanced circuit 1383 is connected with current rectifying and wave filtering circuit 1382, provides power supply with the DC voltage voltage stabilizing and to water temperature and water level measuring and controlling circuit;
Also have a temperature probe 133 that is contained in the kettle teapot, this temperature probe 133 be connected with the input interface of MCU1 131 again after temperature test circuit 132 is connected;
In addition, also have one to be contained in the kettle teapot 1 near the water-level probe 134 at the bottom of the kettle, this water-level probe 134 be connected with another input interface of MCU1 131 again after water level test circuit 135 is connected; The output interface of this MCU1 131 is connected with an infrared emission circuit 136, and this infrared emission circuit 136 is outwards launched corresponding data-signal by an infrared emission head 137; Above-mentioned kettle 12 in the outside of wiring harness plate 13 positions be provided with a cover plate (not shown), cover plate is provided with a hole, this infrared emission head 137 promptly stretches out outside the cover plate from this hole.
A data-signal receiving circuit that is connected with electromagnetic oven 2 control circuits 23, this digital signal receiving circuit comprise the MCU2 22 of an infrared receiving terminal 21 and control electromagnetic oven, and MCU2 22 is connected with the control circuit 23 of electromagnetic oven.Charactron (not shown) in the control circuit 23 of electromagnetic oven shows the water temperature in the kettle teapot 1, and after water boiled, electromagnetic oven MCU2 22 control electromagnetic oven control circuits 23 stopped heating; When in the kettle 1 when anhydrous, the MCU2 22 control electromagnetic oven control circuits 23 of this electromagnetic oven are disconnected promptly and are not heated.Label 11 among Fig. 1 is the kettle body.
Fig. 3 shows a concrete application circuit of the power circuit 138 in the foregoing description.Wherein, current rectifying and wave filtering circuit 1382 comprises a commutation diode D1 and a filter capacitor C1, the positive pole of this commutation diode D1 and the end of inductor L1 join, and the negative pole of the positive pole of filter capacitor C1 and commutation diode D1 joins, and its negative pole is connected on the other end of inductor L1.
Mu balanced circuit 1383 wherein comprises resistance R 1, R2, steady diode D2, voltage stabilizing triode Q1 and capacitor C 2, C3, C4; Wherein capacitor C 3, and the back anodal in parallel of C4 is connected with the emitter stage of voltage stabilizing triode Q1, and the negative pole of Zener diode D2 is connected with the base stage of voltage stabilizing triode Q1, the positive pole of capacitor C 2 is connected with the colelctor electrode of voltage stabilizing triode Q1, capacitor C 2, C3, the negative pole of C4 and Zener diode D2's is anodal in parallel.
Above said water-level probe and temperature probe also can be designed as one, the metal shell and the kettle body that are about to temperature probe are extremely surveyed water level as two respectively, can simplify the structure of probe like this.
Certainly, also can adopt other rectification circuit, filter circuit and mu balanced circuit to replace the circuit of the foregoing description 2.
Claims (4)
1, the water temperature and the water level measuring and controlling circuit of the supporting kettle teapot of a kind of and electromagnetic oven is characterized in that comprising:
Side kettle that is contained in kettle teapot in water temperature and the test and the data radiating circuit of water level, this circuit comprises: a power circuit, this power circuit comprises that a side kettle that is contained in this kettle teapot is axis in the bottom, its inductor core the inductor parallel with the card of electromagnetic oven, this inductor is connected with a current rectifying and wave filtering circuit, and current rectifying and wave filtering circuit changes the alternating voltage of inductor into DC voltage; A mu balanced circuit, this mu balanced circuit is connected with current rectifying and wave filtering circuit, provides power supply with the DC voltage voltage stabilizing and to water temperature and water level measuring and controlling circuit;
Also have a temperature probe that is contained in the kettle teapot, this temperature probe be connected with the input interface of MCU (1) again after the temperature test circuit is connected;
In addition, also have one to be contained in the kettle teapot near the water-level probe at the bottom of the kettle, this water-level probe be connected with another input interface of MCU (1) again after the water level test circuit is connected; The output interface of this MCU (1) is connected with an infrared emission circuit, and this infrared emission circuit is outwards launched corresponding data-signal by an infrared emission head;
A data-signal receiving circuit that is connected with the control circuit of electromagnetic oven, this digital signal receiving circuit comprises the MCU (2) of an infrared receiving terminal and a control electromagnetic oven, the MCU of this electromagnetic oven (2) is connected with the control circuit of electromagnetic oven, charactron in the control circuit of electromagnetic oven shows the water temperature in the kettle teapot, after water boiled, electromagnetic oven MCU (2) control electromagnetic oven stopped heating; When in the kettle when anhydrous, the MCU of this electromagnetic oven (2) control electromagnetic oven is disconnected promptly and is not heated.
2, the water temperature and the water level measuring and controlling circuit of the supporting kettle teapot of according to claim 1 and electromagnetic oven, it is characterized in that said current rectifying and wave filtering circuit comprises a commutation diode D1 and a filter capacitor C1, the positive pole of this commutation diode D1 and the end of inductor L1 join, the negative pole of the positive pole of filter capacitor C1 and commutation diode D1 joins, and its negative pole is connected on the other end of inductor L1.
3, the water temperature and the water level measuring and controlling circuit of the supporting kettle teapot of according to claim 1 and 2 and electromagnetic oven is characterized in that said mu balanced circuit comprises resistance R 1, R2, Zener diode D2, voltage stabilizing triode Q1 and capacitor C 2, C3, C4; Wherein capacitor C 3, and the back anodal in parallel of C4 is connected with the emitter stage of voltage stabilizing triode Q1, and the negative pole of Zener diode D2 is connected with the base stage of voltage stabilizing triode Q1, the positive pole of capacitor C 2 is connected with the colelctor electrode of voltage stabilizing triode Q1, capacitor C 2, C3, the negative pole of C4 and Zener diode D2's is anodal in parallel.
4, the water temperature and the water level measuring and controlling circuit of the supporting kettle teapot of according to claim 3 and electromagnetic oven is characterized in that said water-level probe and temperature probe are one, and the metal shell and the kettle body of temperature probe are extremely surveyed water level as two respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200925892U CN201160763Y (en) | 2008-03-14 | 2008-03-14 | Water temperature and level observing and controlling circuit of teakettle matching electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200925892U CN201160763Y (en) | 2008-03-14 | 2008-03-14 | Water temperature and level observing and controlling circuit of teakettle matching electromagnetic oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201160763Y true CN201160763Y (en) | 2008-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200925892U Expired - Fee Related CN201160763Y (en) | 2008-03-14 | 2008-03-14 | Water temperature and level observing and controlling circuit of teakettle matching electromagnetic oven |
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| CN (1) | CN201160763Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869431A (en) * | 2010-07-02 | 2010-10-27 | 美的集团有限公司 | Electromagnetic oven heating kettle capable of automatically cutting off power |
| WO2010124538A1 (en) * | 2009-04-28 | 2010-11-04 | 漳州灿坤实业有限公司 | Electric kettle with wireless temperature transmission |
| CN101936554A (en) * | 2010-08-31 | 2011-01-05 | 浙江苏泊尔家电制造有限公司 | Wireless temperature measuring device for induction cooker |
| CN102599805A (en) * | 2012-01-13 | 2012-07-25 | 张永超 | Control circuit of electric kettle |
| CN104957975A (en) * | 2015-06-05 | 2015-10-07 | 朱瑞瑞 | Induction-cooker teakettle |
| CN106765361A (en) * | 2017-03-27 | 2017-05-31 | 徐士刚 | A kind of intelligent electromagnetic oven |
| CN107348838A (en) * | 2017-07-11 | 2017-11-17 | 福州品行科技发展有限公司 | A kind of kettle teapot and its control method |
-
2008
- 2008-03-14 CN CNU2008200925892U patent/CN201160763Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124538A1 (en) * | 2009-04-28 | 2010-11-04 | 漳州灿坤实业有限公司 | Electric kettle with wireless temperature transmission |
| CN101869431A (en) * | 2010-07-02 | 2010-10-27 | 美的集团有限公司 | Electromagnetic oven heating kettle capable of automatically cutting off power |
| CN101936554A (en) * | 2010-08-31 | 2011-01-05 | 浙江苏泊尔家电制造有限公司 | Wireless temperature measuring device for induction cooker |
| CN101936554B (en) * | 2010-08-31 | 2015-09-09 | 浙江苏泊尔家电制造有限公司 | A kind of wireless temperature measuring device for induction cooker |
| CN102599805A (en) * | 2012-01-13 | 2012-07-25 | 张永超 | Control circuit of electric kettle |
| CN104957975A (en) * | 2015-06-05 | 2015-10-07 | 朱瑞瑞 | Induction-cooker teakettle |
| CN106765361A (en) * | 2017-03-27 | 2017-05-31 | 徐士刚 | A kind of intelligent electromagnetic oven |
| CN107348838A (en) * | 2017-07-11 | 2017-11-17 | 福州品行科技发展有限公司 | A kind of kettle teapot and its control method |
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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: 20081210 |