CN105628217A - Noncontact temperature measurement induction cooker - Google Patents
Noncontact temperature measurement induction cooker Download PDFInfo
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- CN105628217A CN105628217A CN201410597949.4A CN201410597949A CN105628217A CN 105628217 A CN105628217 A CN 105628217A CN 201410597949 A CN201410597949 A CN 201410597949A CN 105628217 A CN105628217 A CN 105628217A
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- electromagnetic oven
- temperature
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- circuit
- contactless temperature
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Abstract
The invention relates to a noncontact temperature measurement induction cooker and belongs to the field of electromagnetic equipment. The noncontact temperature measurement induction cooker comprises a temperature sensor, two filters, an instrument amplification circuit, a single-chip microcomputer (SCM), a power management circuit, and an alarm display. Two digital-to-analog converters are provided. The noncontact temperature measurement induction cooker is characterized in that the temperature sensor is connected with the two filters simultaneously; one filter is connected with the SCM; the other filter is connected with the SCM via the instrument amplification circuit; the alarm display is connected with the SCM; and the temperature sensor, the instrument amplification circuit, and the alarm display are connected with the power management circuit. The noncontact temperature measurement induction cooker achieves noncontact temperature measurement by using the infrared temperature sensor, measures and compares environment temperature and target temperature, is high in temperature measurement accuracy, good in stability, easy to operate, and easy to popularize and use.
Description
Technical field
The invention belongs to electromagnetic equipment field, particularly relate to a kind of contactless temperature-measuring electromagnetic oven.
Background technology
Along with economic fast development, the living standard of people is more and more higher, more requires more high along with the selection for life institute electrical appliance. Electromagnetic oven because of it efficiently, environmental protection, health and receive more and more attention gradually, and by substantial amounts of use. Existing electromagnetic oven product on the market, automatically control to reach heating power and realize the functions such as insulation, it is all dispose critesistor indirectly to know the temperature of pot in coil disk center, the detection of this detection method is from the bottom of a pan to the conduction heat of dividing plate, because of the impact in space between the bottom of a pan and dividing plate, error is very big.
Summary of the invention
Present invention seek to address that the problems referred to above, it is provided that a kind of non-contact temperature measuring electromagnetic oven utilizing infrared sensor to carry out thermometric.
The electromagnetic oven of a kind of contactless temperature-measuring, including temperature sensor, wave filter, magnifier, single-chip microcomputer, electric power management circuit and attention display; Its median filter includes two wave filter; Digital to analog converter is provided with two; It is characterized in that described sensor is connected with two wave filter simultaneously; One wave filter is connected with processor; Another one wave filter is connected with processor through magnifier; Alarm indicator circuit is connected with processor; Sensor, magnifier are all connected with electric power management circuit with alarm indicator circuit.
Contactless temperature-measuring electromagnetic oven of the present invention, it is characterised in that described sensor is infrared sensor.
Contactless temperature-measuring electromagnetic oven of the present invention, it is characterised in that described infrared sensor is torrid zone heap infrared sensor TMPI334.
Contactless temperature-measuring electromagnetic oven of the present invention, it is characterised in that be provided with three D/A converting circuits on described single-chip microcomputer.
Contactless temperature-measuring electromagnetic oven of the present invention, it is characterised in that be provided with interface driving circuit on described monolithic.
Contactless temperature-measuring electromagnetic oven of the present invention, it is characterised in that described D/A converting circuit includes two-way A/D circuit and a road D/A circuit.
Contactless temperature-measuring electromagnetic oven of the present invention, it is characterised in that the running voltage of described sensor is 3.3V.
Contactless temperature-measuring electromagnetic oven of the present invention, it is characterised in that described single-chip microcomputer is the MSP430F169 of 16.
Contactless temperature-measuring electromagnetic oven of the present invention, it is characterised in that the temperature-measuring range of described sensor is-20 DEG C ~+300 DEG C.
Contactless temperature-measuring electromagnetic oven of the present invention, by adopting infrared sensor to realize contactless thermometric, ambient temperature and target temperature are compared simultaneously, temperature measurement accuracy is high, good stability, contactless temperature-measuring electromagnetic oven of the present invention is simple to operate, it is easy to promote the use of.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
The electromagnetic oven of a kind of contactless temperature-measuring, including temperature sensor, wave filter, magnifier, single-chip microcomputer, electric power management circuit and attention display; Its median filter includes two wave filter; Digital to analog converter is provided with two; It is characterized in that described sensor is connected with two wave filter simultaneously; One wave filter is connected with processor; Another one wave filter is connected with processor through magnifier; Alarm indicator circuit is connected with processor; Both gather target temperature, gather again the temperature of sensor local environment. In instrument amplifier, we produce reference voltage with high-precision D/A converter, obtain differential amplification. Sensor, magnifier are all connected with electric power management circuit with alarm indicator circuit.
Contactless temperature-measuring electromagnetic oven of the present invention, described sensor is infrared sensor, and infrared sensor module converts the heat radiation of target to analog voltage. Described infrared sensor is torrid zone heap infrared sensor TMPI334, and it is to be made up of the integrated A2TPMI special IC of standard TPS334-L515 sensor strip and 515mm silicon lens optical system, has 5 �� of visual angles. Described single-chip microcomputer is provided with three D/A converting circuits. Described monolithic is provided with interface driving circuit. Described D/A converting circuit includes two-way A/D circuit and a road D/A circuit, and the quick data that can realize complexity process. Because native system to realize nonlinear temperature-compensating, so to carry out computing and the data process of complexity. The running voltage of described sensor is 3.3V. Described single-chip microcomputer is the MSP430F169 of 16. The temperature-measuring range of described sensor is-20 DEG C ~+300 DEG C.
Claims (9)
1. an electromagnetic oven for contactless temperature-measuring, including temperature sensor, wave filter, magnifier, single-chip microcomputer, electric power management circuit and attention display; Its median filter includes two wave filter; Digital to analog converter is provided with two; It is characterized in that described sensor is connected with two wave filter simultaneously; One wave filter is connected with processor; Another one wave filter is connected with processor through magnifier; Alarm indicator circuit is connected with processor; Sensor, magnifier are all connected with electric power management circuit with alarm indicator circuit.
2. contactless temperature-measuring electromagnetic oven as claimed in claim 1, it is characterised in that described sensor is infrared sensor.
3. contactless temperature-measuring electromagnetic oven as claimed in claim 2, it is characterised in that described infrared sensor is torrid zone heap infrared sensor TMPI334.
4. contactless temperature-measuring electromagnetic oven as claimed in claim 1, it is characterised in that be provided with three D/A converting circuits on described single-chip microcomputer.
5. contactless temperature-measuring electromagnetic oven as claimed in claim 1, it is characterised in that be provided with interface driving circuit on described monolithic.
6. contactless temperature-measuring electromagnetic oven as claimed in claim 4, it is characterised in that described D/A converting circuit includes two-way A/D circuit and a road D/A circuit.
7. contactless temperature-measuring electromagnetic oven as claimed in claim 1, it is characterised in that the running voltage of described sensor is 3.3V.
8. contactless temperature-measuring electromagnetic oven as claimed in claim 1, it is characterised in that described single-chip microcomputer is the MSP430F169 of 16.
9. the contactless temperature-measuring electromagnetic oven as described in claim 3 or 7, it is characterised in that the temperature-measuring range of described sensor is-20 DEG C ~+300 DEG C��
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597949.4A CN105628217A (en) | 2014-10-31 | 2014-10-31 | Noncontact temperature measurement induction cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597949.4A CN105628217A (en) | 2014-10-31 | 2014-10-31 | Noncontact temperature measurement induction cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105628217A true CN105628217A (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410597949.4A Pending CN105628217A (en) | 2014-10-31 | 2014-10-31 | Noncontact temperature measurement induction cooker |
Country Status (1)
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| CN (1) | CN105628217A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387289A (en) * | 2018-11-20 | 2019-02-26 | 林向东 | A kind of contactless electromagnetic oven temperature detection device and electromagnetic oven |
| WO2019080341A1 (en) * | 2017-10-24 | 2019-05-02 | 广东轻工职业技术学院 | Apparatus and method for automatically monitoring heat source in home kitchen |
| CN112103909A (en) * | 2017-05-05 | 2020-12-18 | 韦伯-斯蒂芬产品有限公司 | Wireless control and condition monitoring for electric ovens with current protection circuits |
| US12105572B2 (en) | 2016-07-01 | 2024-10-01 | Weber-Stephen Products Llc | Digital power supply with wireless monitoring and control |
| US12137832B2 (en) | 2016-07-01 | 2024-11-12 | Weber-Stephen Products Llc | Digital power supply |
-
2014
- 2014-10-31 CN CN201410597949.4A patent/CN105628217A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12105572B2 (en) | 2016-07-01 | 2024-10-01 | Weber-Stephen Products Llc | Digital power supply with wireless monitoring and control |
| US12137832B2 (en) | 2016-07-01 | 2024-11-12 | Weber-Stephen Products Llc | Digital power supply |
| CN112103909A (en) * | 2017-05-05 | 2020-12-18 | 韦伯-斯蒂芬产品有限公司 | Wireless control and condition monitoring for electric ovens with current protection circuits |
| WO2019080341A1 (en) * | 2017-10-24 | 2019-05-02 | 广东轻工职业技术学院 | Apparatus and method for automatically monitoring heat source in home kitchen |
| CN109387289A (en) * | 2018-11-20 | 2019-02-26 | 林向东 | A kind of contactless electromagnetic oven temperature detection device and electromagnetic oven |
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| C06 | Publication | ||
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Application publication date: 20160601 |