CN102589019A - Wireless temperature measuring device for induction cooker - Google Patents
Wireless temperature measuring device for induction cooker Download PDFInfo
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- CN102589019A CN102589019A CN2012100754974A CN201210075497A CN102589019A CN 102589019 A CN102589019 A CN 102589019A CN 2012100754974 A CN2012100754974 A CN 2012100754974A CN 201210075497 A CN201210075497 A CN 201210075497A CN 102589019 A CN102589019 A CN 102589019A
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- 230000006698 induction Effects 0.000 title claims abstract description 51
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 230000003750 conditioning effect Effects 0.000 claims description 12
- 238000013341 scale-up Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010411 cooking Methods 0.000 abstract 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000009529 body temperature measurement Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The invention relates to a wireless temperature measuring device for an induction cooker, which comprises the induction cooker and a wireless signal receiving module to which the induction cooker belongs; the cooking device comprises a cooking device, a controller of the cooking device, at least one temperature acquisition module and at least one wireless signal sending module; the electromagnetic oven comprises a temperature acquisition module, a wireless signal receiving module, a temperature acquisition module, a controller and a wireless signal transmitting module, wherein the wireless signal receiving module is electrically connected with an internal control circuit of the electromagnetic oven, the output end of the temperature acquisition module is electrically connected with the controller, the wireless signal transmitting module is electrically connected with the controller, the electromagnetic oven is characterized by also comprising an induction static detection module to which a cooker belongs, the input end of the induction static detection module is electrically connected with the cooker, and the output end of the induction. The heating state of the cooker is detected through the induction static detection module, and the endurance time of the battery of the wireless temperature measuring device can be greatly prolonged. The mounting structure and the manufacturing process are simpler, the structure is simple, and the assembly is convenient. Not only the cooker is more beautiful, but also the reliability and the safety of the system are improved.
Description
Technical field
The invention belongs to the electromagentic furnace technology field, especially the wireless temperature measuring device used of electromagnetic oven.
Background technology
The wireless temperature measurement mode of electromagnetic oven can accurately measure the approval that food temperature has obtained market with it, and its composition generally comprises: parts such as electromagnetic oven, cooker, temperature measuring equipment, wireless base station apparatus, radio receiver, battery.But be based on the heated condition that these parts can't be judged cooker accurately, after heating finishes, can not in time close wireless base station apparatus, cause battery power consumption to increase.So how to prolong one of key problem that has become wireless temperature measurement cruising time of battery.
For this reason; Chinese invention patent Granted publication number is CN 201858680U design; Name is called " a kind of electromagnetic oven use wireless temperature measuring device ", the signal transmitting module that it comprises electromagnetic oven actuating coil, controller, temperature collect module, send with wireless mode and the signal receiving module of correspondence.Cooker end temperature collect module can accurately be gathered the temperature of cooker and be transferred to electromagnetic oven through wireless mode, has solved the inaccurate problem of electromagnetic oven thermometric.Thereby the electromagnetic oven actuating coil is used to detect the electromagnetic oven duty starts thermometric acquisition module and wireless sending module, reaches to prolong the battery purpose of service time.But be to use the electromagnetic oven actuating coil must be wound on the bottom of cooker, not only complex process, production efficiency are low, and influence the attractive in appearance of cooker.Because the electromagnetic oven actuating coil in the bottom of cooker, will receive temperatures involved during electromagnetic oven work for a long time, and the insulation of coil is peeled off, and cause the coil short operational failure, influence the stability of system.
Summary of the invention
The present invention considers the defective of prior art and provides a kind of simple in structure, technology simply to reach electromagnetic oven convenient for assembly and use wireless temperature measuring device, the stability that it can well prolong battery life and improve system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electromagnetic oven is used wireless temperature measuring device, comprises the wireless signal receiver module that electromagnetic oven and electromagnetic oven are affiliated; Controller, at least one temperature collect module and at least one wireless signal sending module under cooker and the cooker; Wherein said wireless signal receiver module is electrically connected with the electromagnetic oven internal control circuit; The output of said temperature collect module is electrically connected with controller; Said wireless signal sending module is electrically connected with controller; It is characterized in that also comprising the induction electrostatic detection module under the cooker, the input of said induction electrostatic detection module is electrically connected with cooker, and its output is electrically connected with controller.
Said induction electrostatic detection module and controller can be installed in the attached position of cookers such as cookware handle, cooker interlayer or cooker loam cake.
Said induction electrostatic detection module can be to amplify type circuit, or the comparative type circuit, or the amplitude limit type circuit.
Can also add holding circuit and/or signal conditioning circuit in said induction electrostatic detection module.
Described amplification type circuit can be amplifying circuits such as triode scale-up version circuit, computing scale-up version circuit.
Said signal conditioning circuit can be the circuit that filter circuit etc. can convert the induction electrostatic signal into the controller discernible signal.
The present invention's beneficial effect compared with prior art is: through the heated condition of induction electrostatic detection module in order to the detection cooker, the cruising time that can improve the wireless temperature measuring device battery greatly.Mounting structure, manufacture craft are more simple, and be simple in structure, convenient for assembly.Not only make cooker more attractive in appearance, and improved reliability, the security of system.
Description of drawings
Fig. 1 is a principle of the invention block diagram;
Fig. 2 is wireless temperature measurement electromagnetic oven structure figure of the present invention;
Fig. 3 is the circuit block diagram of the induction electrostatic detection module of the embodiment of the invention one;
Fig. 4 is a kind of circuit theory diagrams of the induction electrostatic detection module of the embodiment of the invention one;
Fig. 5 is the another kind of circuit theory diagrams of the induction electrostatic detection module of the embodiment of the invention one;
Fig. 6 is another circuit theory diagrams of the induction electrostatic detection module of the embodiment of the invention one;
Fig. 7 is another circuit theory diagrams of the induction electrostatic detection module of the embodiment of the invention one;
Fig. 8 is the circuit theory diagrams of the induction electrostatic detection module of the embodiment of the invention two;
Fig. 9 is the circuit theory diagrams of the induction electrostatic detection module of the embodiment of the invention three.
The specific embodiment
Do further detailed explanation below in conjunction with accompanying drawing and embodiment specific embodiments of the invention.
Embodiment one
As shown in Figure 1, a kind of electromagnetic oven is used wireless temperature measuring device, comprises the wireless signal receiver module that electromagnetic oven and electromagnetic oven are affiliated; Controller, at least one temperature collect module and at least one wireless signal sending module under cooker and the cooker; Wherein said wireless signal receiver module is electrically connected with the electromagnetic oven internal control circuit; The output of said temperature collect module is electrically connected with controller; Said wireless signal sending module is electrically connected with controller; It is characterized in that also comprising the induction electrostatic detection module under the cooker, the input of said induction electrostatic detection module is electrically connected with cooker, and its output is electrically connected with controller.
As shown in Figure 2, a kind of wireless temperature measurement electromagnetic oven comprises the inner wireless signal receiver module 8 of a cooker 1, an electromagnetic oven 7 and electromagnetic oven body, temperature collect module 3, inner controller 4, wireless signal sending module 5, induction electrostatic detection module 6 and the cell apparatus 9 of cookware handle.Inner wireless signal sending module 5, the induction electrostatic detection module 6 of cookware handle is electrically connected with controller 4, and the input of induction electrostatic detection module 6 is electrically connected with the cooker conductor part in the position on cooker 1 top 2.
Wireless signal sending module, induction electrostatic detection module, temperature collect module circuit part, controller coexist on the printed circuit board in the present embodiment.
During work; The induction electrostatic signal that produces on the cooker when leading to induction electrostatic detection module in order to the detection electromagnetic oven heating; Transfer level signal or pulse signal that controller can be discerned to, thus the opening and closing of control temperature collect module, wireless signal sending module and controller.When electromagnetic oven stops to heat, single-chip microcomputer and wireless signal transmitting module will get into or delay time and get into low-power consumption mode.
Like Fig. 3, shown in 4, induction electrostatic detection module adopts the form of triode type amplifying circuit 1 in the present embodiment, has also added holding circuit 3 and signal conditioning circuit 2.Amplifying circuit 1 comprises resistance R 21, R22, R23 and triode Q21; Holding circuit 3 comprises diode D21; Signal conditioning circuit 2 comprises capacitor C 21, C22 and resistance R 24, and signal conditioning circuit 2 plays the smothing filtering effect, and wherein capacitor C 21, C22 and resistance R 24 are connected in parallel between the output OUT and ground of induction electrostatic detection module; Resistance R 21 is connected between the base stage of input IN and triode Q21 of induction electrostatic detection module; Resistance R 22 is connected between the base stage and ground of triode Q21; Resistance R 203 is connected between the emitter stage and ground of triode Q21; Diode D21 negative pole is connected with the input IN of induction electrostatic detection module, and positive pole is connected with ground; The colelctor electrode of triode Q21 links to each other with positive source, and emitter stage links to each other with induction static output.
During electromagnetic oven heating, induction electrostatic detection module will be exported a high level and get into controller; When electromagnetic oven stops to heat, will export a low level and get into controller.Single-chip microcomputer in the controller is set to rising edge or high level triggers.
According to the difference of cooker induced voltage, can be as shown in Figure 5, to select not add holding circuit 3, amplifying circuit 1 comprises resistance R 11, R12, R13 and triode Q13; Signal conditioning circuit 2 comprises capacitor C 11, C12 and resistance R 14, and signal conditioning circuit 2 plays the smothing filtering effect.Also can be as shown in Figure 6, holding circuit 3 adopts a plurality of clamper amplitude limits such as positive limiting diode D31 and negative limiting diode D32 to use diode, and amplifying circuit 1 comprises resistance R 31, R32, R33 and triode Q31; Signal conditioning circuit 2 comprises capacitor C 31, C32 and resistance R 34, and signal conditioning circuit 2 plays the smothing filtering effect.
As shown in Figure 7, induction electrostatic detection module amplifying circuit form also can utilize the operational amplification circuit form to realize that discharge circuit 1 comprises operational amplifier Q41; Resistance R 41, R42, R43, R44; Wherein resistance R 41, R402 are connected between operational amplifier Q41 output and the ground, and resistance R 41 1 ends link to each other with ground; Resistance R 43 is connected between the input IN of operational amplifier Q41 positive input and induction electrostatic detection module; Resistance R 44 is connected between operational amplifier Q41 positive input and the ground; Operational amplifier Q41 positive input links to each other with resistance R 43, R44, and operational amplifier Q41 reverse input end links to each other with resistance R 41, R42.
If do not adopt the signal conditioning circuit 2 in the such scheme, but controller also the acquisition pulse frequency signal control.
Embodiment two
As shown in Figure 8, the difference of present embodiment and embodiment one is that induction electrostatic detection module adopts the comparative type circuit.Comparison circuit comprises comparator Q51 and resistance R 51, R52, R53, R55.
Resistance R 54 and resistance R 53 are connected between positive source and the ground, and resistance R 54 1 ends link to each other with ground; Resistance R 51 and resistance R 52 are connected between positive source and the ground, and resistance R 52 1 ends link to each other with ground; Resistance R 55 1 ends link to each other with positive source, and negative pole links to each other with induction static output OUT.Resistance R 54 will provide a reference voltage input comparator Q51 inverting input with R53.
Embodiment three
As shown in Figure 9, induction electrostatic detection module adopts amplitude limit type circuit form in the present embodiment.Resonant frequency signal when the amplitude limit clamp circuit that adopts diode D61, D62 to form is gathered electromagnetic oven heating.Diode D62 negative pole is connected with induction static input IN, and positive pole is connected with ground; Diode D61 negative pole is connected with positive source, and induction static input IN end connects; Resistance R 61 is connected between induction static input IN and the induction static output OUT.
Claims (6)
1. an electromagnetic oven is used wireless temperature measuring device, comprises the wireless signal receiver module that electromagnetic oven and electromagnetic oven are affiliated; Controller, at least one temperature collect module and at least one wireless signal sending module under cooker and the cooker; Wherein said wireless signal receiver module is electrically connected with the electromagnetic oven internal control circuit; The output of said temperature collect module is electrically connected with controller; Said wireless signal sending module is electrically connected with controller; It is characterized in that also comprising the induction electrostatic detection module under the cooker, the input of said induction electrostatic detection module is electrically connected with cooker, and its output is electrically connected with controller.
2. electromagnetic oven according to claim 1 is used wireless temperature measuring device, it is characterized in that said induction electrostatic detection module and controller can be installed in the attached position of cookers such as cookware handle, cooker interlayer or cooker loam cake.
3. electromagnetic oven according to claim 1 is used wireless temperature measuring device, it is characterized in that said induction electrostatic detection module can be to amplify type circuit, or the comparative type circuit, or the amplitude limit type circuit.
4. use wireless temperature measuring device according to claim 1 or 3 described electromagnetic ovens, it is characterized in that to add holding circuit and/or signal conditioning circuit in said induction electrostatic detection module.
5. electromagnetic oven according to claim 3 is used wireless temperature measuring device, it is characterized in that described amplification type circuit can be amplifying circuits such as triode scale-up version circuit, computing scale-up version circuit.
6. electromagnetic oven according to claim 4 is used wireless temperature measuring device, it is characterized in that said signal conditioning circuit can be the circuit that filter circuit etc. can convert the induction electrostatic signal into the controller discernible signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210075497.4A CN102589019B (en) | 2012-03-21 | 2012-03-21 | Wireless temperature measuring device used for induction cooker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210075497.4A CN102589019B (en) | 2012-03-21 | 2012-03-21 | Wireless temperature measuring device used for induction cooker |
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| Publication Number | Publication Date |
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| CN102589019A true CN102589019A (en) | 2012-07-18 |
| CN102589019B CN102589019B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210075497.4A Active CN102589019B (en) | 2012-03-21 | 2012-03-21 | Wireless temperature measuring device used for induction cooker |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705145A (en) * | 2016-12-15 | 2017-05-24 | 汕头市鼎翔电子科技有限公司 | Intelligent electricity-saving induction cooker and electricity-saving control method |
| CN108008648A (en) * | 2016-11-02 | 2018-05-08 | 浙江绍兴苏泊尔生活电器有限公司 | Power supply control method |
| CN110062485A (en) * | 2018-01-17 | 2019-07-26 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating Rouser, method and electromagnetic heater |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210799A (en) * | 1996-01-31 | 1997-08-15 | Hitachi Zosen Corp | Wireless type temperature measuring system |
| CN101040756A (en) * | 2007-02-08 | 2007-09-26 | 深圳市拓邦电子科技股份有限公司 | Boiler able to measuring temperature by inducing |
| CN200979463Y (en) * | 2006-09-29 | 2007-11-21 | 潘毅强 | A wireless temperature measurement device for an induction cooker |
| CN200980566Y (en) * | 2006-04-03 | 2007-11-28 | 彭雪群 | Pot tool with temperature measuring device |
| CN202613528U (en) * | 2012-03-21 | 2012-12-19 | 美的集团有限公司 | Wireless temperature measuring device for induction cooker |
-
2012
- 2012-03-21 CN CN201210075497.4A patent/CN102589019B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210799A (en) * | 1996-01-31 | 1997-08-15 | Hitachi Zosen Corp | Wireless type temperature measuring system |
| CN200980566Y (en) * | 2006-04-03 | 2007-11-28 | 彭雪群 | Pot tool with temperature measuring device |
| CN200979463Y (en) * | 2006-09-29 | 2007-11-21 | 潘毅强 | A wireless temperature measurement device for an induction cooker |
| CN101040756A (en) * | 2007-02-08 | 2007-09-26 | 深圳市拓邦电子科技股份有限公司 | Boiler able to measuring temperature by inducing |
| CN202613528U (en) * | 2012-03-21 | 2012-12-19 | 美的集团有限公司 | Wireless temperature measuring device for induction cooker |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008648A (en) * | 2016-11-02 | 2018-05-08 | 浙江绍兴苏泊尔生活电器有限公司 | Power supply control method |
| CN106705145A (en) * | 2016-12-15 | 2017-05-24 | 汕头市鼎翔电子科技有限公司 | Intelligent electricity-saving induction cooker and electricity-saving control method |
| CN110062485A (en) * | 2018-01-17 | 2019-07-26 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating Rouser, method and electromagnetic heater |
| CN110062485B (en) * | 2018-01-17 | 2024-08-13 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating awakening device and method and electromagnetic heater |
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| CN102589019B (en) | 2014-10-22 |
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Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Applicant after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Applicant before: Midea Group |
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