CN102178464A - Temperature measuring device and temperature measuring method for induction cooker pot - Google Patents
Temperature measuring device and temperature measuring method for induction cooker pot Download PDFInfo
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- CN102178464A CN102178464A CN 201110088238 CN201110088238A CN102178464A CN 102178464 A CN102178464 A CN 102178464A CN 201110088238 CN201110088238 CN 201110088238 CN 201110088238 A CN201110088238 A CN 201110088238A CN 102178464 A CN102178464 A CN 102178464A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000006698 induction Effects 0.000 title abstract 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000009529 body temperature measurement Methods 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011222 crystalline ceramic Substances 0.000 description 1
- 229910002106 crystalline ceramic Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
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Abstract
The invention relates to a temperature measuring device of an induction cooker pot and a temperature measuring method thereof, which comprises an induction cooker, a pot, a temperature sensor, a temperature detection circuit, an induction cooker control circuit and a direct current power supply for supplying power to the temperature sensor and the temperature detection circuit, wherein the temperature sensor, the temperature detection circuit and the direct current power supply are all arranged on the pot, and the temperature sensor is electrically connected with the temperature detection circuit; the second wireless transceiver is arranged in the induction cooker and is electrically connected with the induction cooker control circuit. The invention respectively installs the wireless transceiver on the cooker and the induction cooker, so that the cooker and the induction cooker are accurately paired, the problem of disordered information transmission between wireless devices when a plurality of cookers or cookers are used simultaneously is solved, the timeliness and the accuracy of temperature measurement are improved, and the phenomena of oil smoke, food scorching and the like caused by overhigh temperature are prevented.
Description
Technical field
The present invention relates to a kind of temperature measuring equipment and temp measuring method thereof of electromagnetic oven pan, belong to the thermometry field of electromagnetic oven pan.
Background technology
The panel of commercially available electromagnetic oven mostly is the micro-crystalline ceramic plate, and heat conductivility is poor, and temperature measuring equipment generally is installed on the temperature that the panel lower surface comes sensing pot body, shortcoming such as therefore have that temperature-sensitive is slow, thermometric is inaccurate and reliability is low.
A kind of wireless temperature measurement pan is disclosed in the Chinese patent 200310121105.4, comprise a pot body, temperature sensing circuit and temperature-control circuit, it is characterized in that: also comprise one group of wireless launcher and radio receiver, described temperature sensing circuit is located at pot surface and is electrically connected with wireless launcher, and described radio receiver is electrically connected with temperature control.But a kind of electromagnetic stove of intelligent temperature control is disclosed in the Chinese patent 200720054940.4, pan and electromagnetic oven by the band handle are formed, it is characterized in that, described pan bottom inside is provided with temperature sensor, also be provided with temperature measurement circuit, wireless signal transmission circuit and dc source on pan, temperature sensor, wireless signal transmission circuit and dc source are connected with temperature measurement circuit respectively; Described electromagnetic oven is provided with wireless signal receiving circuit and the control circuit that adapts with wireless signal transmission circuit, and wireless signal receiving circuit connects control circuit, and the heater of electromagnetic oven is by the output signal control of control circuit.In the technical scheme of these two patents, the transmission of thermometric information is unidirectional, if the user uses two electromagnetic ovens or two pans simultaneously, information then can occur and transmit disorderly situation, can't realize the effect of intelligent temperature control.
Summary of the invention
The objective of the invention is to consider the problems referred to above and provide a kind of can effectively solve a plurality of pans or stove and accessory and use simultaneously the time between wireless device information transmit disorderly problem, and can improve the promptness and the accuracy of thermometric, avoid Yin Wendu too high and cause the generation of phenomenons such as oil smoke, food burn, electromagnetic oven pan temperature measuring equipment and temp measuring method thereof that reliability is high.
The technical scheme that realizes the object of the invention is: a kind of temperature measuring equipment of electromagnetic oven pan, comprise electromagnetic oven, pan, temperature sensor, temperature sensing circuit, the electromagnetic oven control circuit reaches and is temperature sensor and temperature sensing circuit direct current power source supplying power, temperature sensor wherein, temperature sensing circuit and dc source all are installed on the pan, temperature sensor is electrically connected with temperature sensing circuit, it is characterized in that also comprising first wireless transmitter and second wireless transmitter, described first wireless transmitter is installed on the pan and with temperature sensing circuit and is electrically connected, and dc source is its power supply; Second wireless transmitter is installed in the electromagnetic oven and with the electromagnetic oven control circuit and is electrically connected.
Described temperature sensing circuit, dc source and first wireless transmitter all are installed in the handle of pan.
Described temperature sensor is installed between inner surface, outer surface or the surfaces externally and internally of pan.
Described first wireless transmitter and second wireless transmitter are infrared radio R-T unit or wireless radiofrequency R-T unit.
A kind of temp measuring method of electromagnetic oven pan based on described temperature measuring equipment, may further comprise the steps:
(1) after electromagnetic oven powers on, second wireless transmitter that is positioned at electromagnetic oven promptly sends the pairing application, first wireless transmitter in the pan receives back feedback unpaired message, second radio receiving transmitting module sends to first wireless transmitter with the unpaired message that receives, first wireless transmitter judges whether that the match is successful, if successful matching, then first wireless transmitter sends confirmation, enters next step; If pairing is then proceeded in the pairing failure.
(2), second wireless transmitter sends temperature information transmission application, after first wireless transmitter receives, the temperature information of feedback temperature sensor sampling, pass to the electromagnetic oven control circuit after second wireless transmitter receives, control circuit sends the power output of instruction control electromagnetic oven according to temperature information.
The unpaired message of described first wireless transmitter feedback is global unique coding.
During the pairing procedure failure of described first wireless transmitter and second wireless transmitter, can carry out frequency of failure statistics,, then withdraw from pairing if surpass the program setting maximum.
When described electromagnetic oven was received shutdown command, second wireless transmitter can send the Opportunity awaiting control for linear instruction, and first wireless transmitter enters holding state after receiving this instruction.
The present invention is by installing wireless transmitter respectively on pan and electromagnetic oven, make the two realize precisely pairing, when having solved a plurality of pans or stove and accessory and having used simultaneously between wireless device information transmit disorderly problem; And by directly detecting the pan temperature in the cooking process, improved the promptness and the accuracy of thermometric greatly, can prevent effectively that Yin Wendu is too high and the oil smoke, the food that cause such as burn at the generation of phenomenon, reached healthy effect of cooking.
Description of drawings
Fig. 1 is the structural representation of electromagnetic oven pan temperature measuring equipment of the present invention;
Fig. 2 is the circuit block diagram of electromagnetic oven pan temperature measuring equipment of the present invention;
Fig. 3 is a temperature sensing circuit schematic diagram of the present invention;
Fig. 4 is the communication and the control flow chart of the present invention's second wireless transmitter;
Fig. 5 is the communication and the control flow chart of the present invention's first wireless transmitter.
The specific embodiment
Below in conjunction with drawings and Examples the specific embodiment of the present invention is described further.
As shown in Figure 1 and Figure 2, the temperature measuring equipment of electromagnetic oven pan of the present invention, comprise electromagnetic oven 1, pan 2, temperature sensor 3, temperature sensing circuit 4, electromagnetic oven control circuit 5, dc source 6, first wireless transmitter 7 and second wireless transmitter 8, wherein temperature sensor 3, temperature sensing circuit 4, dc source 6 and first wireless transmitter 7 all are installed on the pan 2, dc source 6 is given temperature sensor 3, temperature sensing circuit 4 and 7 power supplies of first wireless transmitter, and the temperature sensor 3 and first wireless transmitter 7 are electrically connected with temperature sensing circuit 4; Second wireless transmitter 8 is installed in the electromagnetic oven 1 and with electromagnetic oven control circuit 5 and is electrically connected.
In the present embodiment, described dc source 6 is dry cells, first, second wireless transmitter is the wireless radiofrequency R-T unit, and temperature sensor 3 is installed between pan inner surface and the outer surface, and temperature sensing circuit 4, dc source 6, first wireless transmitter 7 all are placed in the pan handle.Described temperature sensor 3 adopts thermistor RT1.
As shown in Figure 3, temperature sensing circuit 4 comprises single-chip microcomputer IC1, resistance R 1 and capacitor C 1, one end of resistance R 1 links to each other with the positive pole of dc source, the other end is connected the other end ground connection of capacitor C 1 (being the negative pole of dc source) with the end of thermistor RT1, an end of capacitor C 1 and the AD input of single-chip microcomputer IC1.
Shown in Fig. 4,5, present embodiment also provides a kind of temp measuring method of electromagnetic oven pan, comprises following method:
(1), after electromagnetic oven powers on, second wireless transmitter that is positioned at electromagnetic oven promptly sends the pairing application, first wireless transmitter in the pan receives back feedback unpaired message, second radio receiving transmitting module sends to first wireless transmitter with the unpaired message that receives, first wireless transmitter judges whether that the match is successful, if successful matching, then first wireless transmitter sends confirmation, enters next step; Enter next step; If match failure, then to carry out continuing pairing after the error count, the error count value withdraws from pairing when surpassing the setting maximum.
(2) second wireless transmitters send temperature information transmission application, after first wireless transmitter receives, the temperature information of feedback temperature sensor sampling, second wireless transmitter passes to the electromagnetic oven control circuit after receiving, and control circuit sends the power output of instruction control electromagnetic oven according to temperature information.
(3) when the electromagnetic oven culinary art finished to receive shutdown command, second wireless transmitter sent standby command, and first wireless transmitter enters holding state after receiving, to save the energy resource consumption of dc source.
In the present embodiment, the unpaired message of described first wireless transmitter feedback is global unique coding.All kinds of command informations that described first wireless transmitter and second wireless transmitter send all adopt the hexadecimal data form.
Operation principle of the present invention is, after the electromagnetic oven energising, wireless transmitter in the electromagnetic oven and the wireless transmitter on the pan are finished pairing by transmission and feedback encoding information, during work, temperature sensor on the pan combines the temperature that can accurately detect in the pot with temperature sensing circuit, convert temperature information to, and this temperature information is launched by the wireless transmitter of pan side, after the wireless transmitter that is installed in the electromagnetism furnace side receives this temperature information, pass to the electromagnetic oven control circuit, control circuit is realized the Based Intelligent Control of temperature according to temperature information.
Claims (8)
1. the temperature measuring equipment of an electromagnetic oven pan, comprise electromagnetic oven (1), pan (2), temperature sensor (3), temperature sensing circuit (4), electromagnetic oven control circuit (5) reaches and is temperature sensor (3) and temperature sensing circuit (4) direct current power source supplying power (6), temperature sensor (3) wherein, temperature sensing circuit (4) all is installed on the pan (2) with dc source (6), temperature sensor (3) is electrically connected with temperature sensing circuit (4), it is characterized in that also comprising first wireless transmitter (7) and second wireless transmitter (8), described first wireless transmitter (7) is installed on pan (2) and goes up and be electrically connected with temperature sensing circuit (4), and dc source (6) is its power supply; Second wireless transmitter (8) is installed in the electromagnetic oven (1) and with electromagnetic oven control circuit (5) and is electrically connected.
2. the temperature measuring equipment of electromagnetic oven pan according to claim 1 is characterized in that described temperature sensing circuit (4), dc source (6) and first wireless transmitter (7) all are installed in the handle of pan (2).
3. the temperature measuring equipment of electromagnetic oven pan according to claim 1 is characterized in that described temperature sensor (3) is installed between inner surface, outer surface or the surfaces externally and internally of pan (2).
4. according to the temperature measuring equipment of each described electromagnetic oven pan of claim 1 to 3, it is characterized in that described first wireless transmitter (7) and second wireless transmitter (8) are infrared radio R-T unit or wireless radiofrequency R-T unit.
5. the temp measuring method of an electromagnetic oven pan is characterized in that may further comprise the steps based on the described temperature measuring equipment of claim 1:
(1) after electromagnetic oven powers on, second wireless transmitter (8) that is positioned at electromagnetic oven promptly sends the pairing application, first wireless transmitter (7) in the pan receives back feedback unpaired message, second radio receiving transmitting module sends to first wireless transmitter with the unpaired message that receives, first wireless transmitter judges whether that the match is successful, if successful matching, then first wireless transmitter sends confirmation, enters next step; If pairing is then proceeded in the pairing failure;
(2), second wireless transmitter sends temperature information transmission application, after first wireless transmitter receives, the temperature information of feedback temperature sensor sampling, pass to electromagnetic oven control circuit (5) after second wireless transmitter receives, control circuit sends the power output of instruction control electromagnetic oven according to temperature information.
6. the temp measuring method of electromagnetic oven pan according to claim 5 is characterized in that the unpaired message of described first wireless transmitter feedback is global unique coding.
7. the temp measuring method of electromagnetic oven pan according to claim 5 when it is characterized in that the pairing procedure failure of described first wireless transmitter and second wireless transmitter, can carry out frequency of failure statistics, if surpass the program setting maximum, then withdraws from pairing.
8. the temp measuring method of electromagnetic oven pan according to claim 5, when it is characterized in that described electromagnetic oven is received shutdown command, second wireless transmitter can send the Opportunity awaiting control for linear instruction, and first wireless transmitter enters holding state after receiving this instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110088238 CN102178464A (en) | 2011-04-09 | 2011-04-09 | Temperature measuring device and temperature measuring method for induction cooker pot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110088238 CN102178464A (en) | 2011-04-09 | 2011-04-09 | Temperature measuring device and temperature measuring method for induction cooker pot |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079300A (en) * | 2013-01-10 | 2013-05-01 | 九阳股份有限公司 | Pairing method for wireless temperature measuring electromagnetic heating assembly |
| CN103279042A (en) * | 2013-04-28 | 2013-09-04 | 九阳股份有限公司 | Bidirectional matching method of wireless temperature measuring electromagnetic heating component |
| CN104095552A (en) * | 2014-08-01 | 2014-10-15 | 付德明 | Temperature control system of cookware of induction cooker |
| CN104284615A (en) * | 2012-05-07 | 2015-01-14 | 伊莱克斯家用产品股份有限公司 | A temperature detection device for detecting the bottom temperature of cookware on a cooking hob |
| CN105606256A (en) * | 2016-02-16 | 2016-05-25 | 浙江绍兴苏泊尔生活电器有限公司 | Wireless temperature measurement method and cooker |
| CN105919404A (en) * | 2016-07-06 | 2016-09-07 | 浙江尚厨炊具有限公司 | Method for controlling multifunctional cooking pot based on WIFI (wireless fidelity) communication and multifunctional cooking pot |
| CN106175402A (en) * | 2015-04-29 | 2016-12-07 | 浙江绍兴苏泊尔生活电器有限公司 | Pot tool |
| CN106441610A (en) * | 2016-10-14 | 2017-02-22 | 中山市合硕高品电器有限公司 | Precise-temperature-measuring intelligent device for magnetic induction heating |
| CN107280455A (en) * | 2017-07-12 | 2017-10-24 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil and cooking temperature control method |
| CN107411540A (en) * | 2017-08-30 | 2017-12-01 | 浙江绍兴苏泊尔生活电器有限公司 | Cooker, induction cooker, cooker assembly and information indication method |
| CN109990909A (en) * | 2019-03-13 | 2019-07-09 | 中山市晶威电子科技有限公司 | A kind of passive temperature sensor and its application |
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| CN103079300B (en) * | 2013-01-10 | 2015-07-22 | 九阳股份有限公司 | Pairing method for wireless temperature measuring electromagnetic heating assembly |
| CN103279042A (en) * | 2013-04-28 | 2013-09-04 | 九阳股份有限公司 | Bidirectional matching method of wireless temperature measuring electromagnetic heating component |
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Address after: Beijiao Town, Shunde District of Guangdong city of Foshan province Sanle road 528311 No. 19 Applicant after: FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING Co.,Ltd. Applicant after: MIDEA GROUP Co.,Ltd. Address before: Beijiao Town, Shunde District of Guangdong city of Foshan province Sanle road 528311 No. 19 Applicant before: FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING Co.,Ltd. Applicant before: Midea Group |
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Application publication date: 20110914 |