CN104075350B - Take cooking utensils of temperature measurement function - Google Patents
Take cooking utensils of temperature measurement function Download PDFInfo
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- CN104075350B CN104075350B CN201410360186.1A CN201410360186A CN104075350B CN 104075350 B CN104075350 B CN 104075350B CN 201410360186 A CN201410360186 A CN 201410360186A CN 104075350 B CN104075350 B CN 104075350B
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- 238000009529 body temperature measurement Methods 0.000 title abstract description 5
- 238000010411 cooking Methods 0.000 title 1
- 230000005284 excitation Effects 0.000 claims abstract description 95
- 230000006698 induction Effects 0.000 claims abstract description 66
- 230000010355 oscillation Effects 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 210000000232 gallbladder Anatomy 0.000 claims description 22
- 230000006870 function Effects 0.000 claims description 17
- 230000003321 amplification Effects 0.000 claims description 14
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 14
- 230000008447 perception Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
Abstract
The invention discloses a stove with a temperature measuring function, which comprises a stove seat, a heater and a pot container, wherein the heater and the pot container are arranged on the stove seat, a temperature sensing LC oscillation circuit for sensing the temperature of the pot container is arranged on the pot container, a temperature identification module is arranged on the stove seat, the temperature sensing LC oscillation circuit comprises an oscillation coil L1 and a temperature sensing capacitor CT, the temperature identification module comprises a controller and an excitation/induction coil L2, and an excitation driving circuit, a state switching circuit and a frequency detection circuit are connected to the excitation/induction coil L2, so that excitation/induction control of separated temperature measurement on the stove is realized. The present case sets up simple and conveniently, and temperature sensing LC oscillation circuit and testee contact, its sensitivity is high, and temperature identification module and testee non-contact easily prolong chip, components and parts life etc. on the temperature identification module.
Description
[technical field]
The present invention relates to the kitchen range of a kind of band temp sensing function.
[background technology]
In daily life and industrial processes, it is often necessary to measure the temperature of various object.
Temperature is all a very important index parameter in many technical fields, industry, medical treatment,
Interior of articles temperature under the many fields, particularly some air-proof conditions such as military affairs and life, all needs
Temperature monitored by temperature measuring equipment to be used.
Thermometry divides contact temperature-measuring and the big class of contactless temperature-measuring two.Contact temperature-measuring needs
Sensor is close to testee surface, between measuring circuit and sensor, has circuit to be connected simultaneously
Connect.Conventional contact temperature-measuring technology has thermocouple thermometric, thermistor temperature detecting, quasiconductor to survey
The methods such as temperature, optical fiber temperature-measurement.Contactless temperature-measuring currently mainly uses infrared temperature-test technology, surveys
Amount circuit is separated with testee surface, is suitable for telemeasurement or some special occasions.
But, have some occasions can not use conventional contact temperature-measuring technology, can not adopt
By infrared non-contact temperature measuring mode.Such as measure temperature when culinary art to be just subject to many limitations.Pot
Interior thermometric relates to health and cleaning problems, and outside thermometric exists thermal-flame problem, infrared measurement of temperature
There is greasy dirt, smoke problem.
Therefore, it is necessary to solve as above problem, a kind of kitchen range using new thermometric mode are proposed.
[summary of the invention]
Instant invention overcomes the deficiency of above-mentioned technology, it is provided that the kitchen range of a kind of band temp sensing function,
It arranges simple and convenient, highly sensitive.
For achieving the above object, present invention employs following technical proposal:
The kitchen range of a kind of band temp sensing function, include range base 200, on described range base 200
It is provided with heater 300 and pot gallbladder 100, described pot gallbladder 100 is provided with for perception pot gallbladder 100
The temperature-sensitive LC oscillation circuit 1 of temperature, described range base 200 is provided with for identifying a pot gallbladder
The temperature identification module 2 of 100 temperature, described temperature-sensitive LC oscillation circuit 1 includes oscillator coil L1
With the temperature-sensitive electric capacity CT for perception pot gallbladder 100, described temperature identification module 2 includes control
Device 21 and for oscillator coil L1 transmit energy encourage temperature-sensitive LC oscillation circuit 1 to vibrate
And the excitation/induction coil L2 of sensing temperature-sensitive LC oscillation circuit 1 frequency of oscillation, described excitation
On/induction coil L2, connection has for driving excitation/induction coil L2 to transmit to oscillator coil L1
The excitation drive circuit 22 of energy, it is used for making excitation/induction coil L2 switch to from excitation state
The state switching circuit 23 of sense state and by excitation/induction coil L2 sensing temperature-sensitive LC
Oscillation circuit 1 frequency of oscillation is so that controller 21 identifies the frequency detecting electricity of testee temperature
Road 24, described excitation drive circuit 22 control signal input, state switching circuit 23 control
Signal input part, frequency detection circuit 24 detect signal output part and are connected with controller 21 respectively.
Described excitation drive circuit 22 include chip LM324, resistance R2～R6, electric capacity C2～C4,
And audion Q2, described electric capacity C4 one end is as excitation drive circuit 22 control signal input
End is connected with controller 21 1 control signal outfan, and the electric capacity C4 other end passes through resistance R6
Being connected with resistance R5 one end, chip LM324 input in the same direction, chip LM324 is the most defeated
Entering and hold ground connection, chip LM324 outfan is connected with the resistance R5 other end, electric capacity C3 one end
Connect, the electric capacity C3 other end and resistance R3 one end, resistance R4 one end, audion Q2 base stage phase
Connect, the described resistance R4 other end be connected with audion Q2 emitter stage after ground connection, described electricity
The resistance R3 other end is connected with resistance R2 one end and is followed by power supply VCC, the resistance R2 other end and
Audion Q2 colelctor electrode, electric capacity C2 one end are connected, and the electric capacity C2 other end drives as excitation
Galvanic electricity road 22 pumping signal outfan is connected with excitation/induction coil L2 excitation/induction end, excitation
/ induction coil L2 other end ground connection.
Described state switching circuit 23 includes NMOS tube Q1, described NMOS tube Q1 grid
As state switching circuit 23 control signal input and controller 21 1 control signal outfan
Connecting, the drain electrode of NMOS tube Q1 and ground connection, NMOS tube Q1 source electrode is as state switching circuit
23 outfans are connected with described excitation/induction coil L2 excitation/induction end, excitation/induction coil
L2 other end ground connection.
Described frequency detection circuit 24 includes the signal amplification circuit 241 and zero passage being sequentially connected with
Testing circuit 242, described signal amplification circuit 241 signal input part is as frequency detection circuit
24 detection signal input parts are connected with excitation/induction coil L2 excitation/induction end, excitation/line of induction
Circle L2 other end ground connection, described zero cross detection circuit 242 signal output part is as frequency detecting electricity
Road 24 is detected signal output part and is detected signal input part with controller 21 and be connected.
Described signal amplification circuit 241 include integrated circuit modules D7642, electric capacity C1 and
Resistance R1, described zero cross detection circuit 242 includes chip LM324, described electric capacity C1 one end
As signal amplification circuit 241 signal input part with excitation/induction coil L2 excitation/induction end even
Connect, excitation/induction coil L2 other end ground connection, the described electric capacity C1 other end and integrated circuit die
Block D7642 input connects, integrated circuit modules D7642 earth terminal ground connection, integrated circuit die
Block D7642 outfan is connected with resistance R1 one end, chip LM324 input in the same direction, electricity
The resistance R1 electric former VCC of another termination, chip LM324 reverse input end ground connection, chip LM324
Outfan detects signal output part and controller 21 as zero cross detection circuit 242, and to detect signal defeated
Enter end to connect.
The insulation high-temperature-resistant that is provided with between oscillator coil L1 and temperature-sensitive electric capacity CT as above is made pottery
Porcelain, described temperature-sensitive electric capacity CT presses close to described pot gallbladder 100, and described oscillator coil L1 is in outside.
Heater 300 as above electrically connects with described controller 21, described range base 200
On be additionally provided with the control panel being connected with described controller 21.
Compared with prior art, the invention has the beneficial effects as follows:
1, have employed separate type thermometric mode, it arranges simple and convenient, temperature-sensitive LC oscillation circuit
Being arranged on pot gallbladder, it is highly sensitive, and temperature identification module is arranged in range base, it is achieved point
From formula thermometric, wherein, capacitance C=f (T) of temperature-sensitive electric capacity CT, temperature-sensitive LC oscillation circuit
Frequency of oscillationDrawFrequency detection circuit is by excitation/sense
Coil L2 is answered to sense temperature-sensitive LC oscillation circuit frequency of oscillation f, the biography of its wave frequency signal
Defeated affected by environment little, controller accurately records temperature-sensitive LC by frequency detection circuit and vibrates back
Road frequency of oscillation, thus calculate cooker liner temperature T；
2, only with an inductance coil as excitation/induction coil L2, it is achieved incentive functions
And inducing function, its structure is concise, is connected and makes between controller with excitation/induction coil L2
Excitation/induction coil L2 switches to the state switching circuit of sense state from excitation state, when wanting
Excitation/induction coil L2 is when excitation state proceeds to sense state in control, and controller controls excitation
Drive circuit stopping excitation driving and in controlled state switching circuit, NMOS tube Q1 can be fast
Speed consumes excitation drive circuit and is sent to the energy of excitation/induction coil L2, so that excitation/sense
Answer coil L2 to switch to sense state, well sense the frequency of oscillation of temperature-sensitive LC oscillation circuit,
Its control is simple and convenient；
3, frequency detection circuit includes signal amplification circuit and zero cross detection circuit 242, by letter
Number temperature-sensitive LC oscillation circuit frequency signal that excitation/induction coil L2 is sensed by amplifying circuit enters
Row amplifies, in order to zero cross detection circuit carries out zero passage detection, is effectively increased temperature-sensitive LC
The susceptiveness of oscillation circuit frequency of oscillation detection；
4, insulation high-temperature-resistant pottery it is provided with between oscillator coil L1 and temperature-sensitive electric capacity CT, described
Temperature-sensitive electric capacity CT presses close to described pot gallbladder, and described oscillator coil L1 is in outside, and such pot gallbladder will not
Affect the electromagnetic radiation of oscillator coil L1, in order to temperature identification module receives signal；
5, the kitchen range using this case separate type thermometric mode can be that electric cooker, gas range add a pot gallbladder
Combination or other kitchen range, its separate type thermometric mode suitability is good, it is easy to wide range applications.
[accompanying drawing explanation]
Fig. 1 be on kitchen range of the present invention temperature-sensitive LC oscillation circuit and temperature identification module schematic diagram is set.
Fig. 2 is temperature-measurement principle block diagram of the present invention.
Fig. 3 is temperature measurement circuit figure of the present invention.
[detailed description of the invention]
Feature of present invention and other correlated characteristic are made further by embodiment below in conjunction with accompanying drawing
Describe in detail, in order to the understanding of technical staff of the same trade:
As Figure 1-3, the kitchen range of a kind of band temp sensing function, include range base 200, described
Range base 200 is provided with heater 300 and pot gallbladder 100, and described pot gallbladder 100 is provided with use
In the temperature-sensitive LC oscillation circuit 1 of perception pot gallbladder 100 temperature, described range base 200 is provided with
For identifying the temperature identification module 2 of pot gallbladder 100 temperature, described temperature-sensitive LC oscillation circuit 1 wraps
Include oscillator coil L1 and the temperature-sensitive electric capacity CT for perception pot gallbladder 100, described temperature identification mould
Block 2 includes controller 21 and for transmitting energy to encourage temperature-sensitive LC to oscillator coil L1
Oscillation circuit 1 vibrates and senses the excitation/line of induction of temperature-sensitive LC oscillation circuit 1 frequency of oscillation
Circle L2, on described excitation/induction coil L2 connection have for drive excitation/induction coil L2 to
Oscillator coil L1 energy-delivering excitation drive circuit 22, it is used for making excitation/induction coil L2
The state switching circuit 23 of sense state is switched to and by excitation/line of induction from excitation state
Circle L2 sensing temperature-sensitive LC oscillation circuit 1 frequency of oscillation is so that controller 21 identifies cooker liner temperature
The frequency detection circuit 24 of degree, described excitation drive circuit 22 control signal input, state
Switching circuit 23 control signal input, frequency detection circuit 24 detect signal output part respectively
It is connected with controller 21.
Described excitation drive circuit 22 include chip LM324, resistance R2～R6, electric capacity C2～C4,
And audion Q2, described electric capacity C4 one end is as excitation drive circuit 22 control signal input
End is connected with controller 21 1 control signal outfan, and the electric capacity C4 other end passes through resistance R6
Being connected with resistance R5 one end, chip LM324 input in the same direction, chip LM324 is the most defeated
Entering and hold ground connection, chip LM324 outfan is connected with the resistance R5 other end, electric capacity C3 one end
Connect, the electric capacity C3 other end and resistance R3 one end, resistance R4 one end, audion Q2 base stage phase
Connect, the described resistance R4 other end be connected with audion Q2 emitter stage after ground connection, described electricity
The resistance R3 other end is connected with resistance R2 one end and is followed by power supply VCC, the resistance R2 other end and
Audion Q2 colelctor electrode, electric capacity C2 one end are connected, and the electric capacity C2 other end drives as excitation
Galvanic electricity road 22 pumping signal outfan is connected with excitation/induction coil L2 excitation/induction end, excitation
/ induction coil L2 other end ground connection.
Described state switching circuit 23 includes NMOS tube Q1, described NMOS tube Q1 grid
As state switching circuit 23 control signal input and controller 21 1 control signal outfan
Connecting, the drain electrode of NMOS tube Q1 and ground connection, NMOS tube Q1 source electrode is as state switching circuit
23 outfans are connected with described excitation/induction coil L2 excitation/induction end, excitation/induction coil
L2 other end ground connection.
Described frequency detection circuit 24 includes the signal amplification circuit 241 and zero passage being sequentially connected with
Testing circuit 242, described signal amplification circuit 241 signal input part is as frequency detection circuit
24 detection signal input parts are connected with excitation/induction coil L2 excitation/induction end, excitation/line of induction
Circle L2 other end ground connection, described zero cross detection circuit 242 signal output part is as frequency detecting electricity
Road 24 is detected signal output part and is detected signal input part with controller 21 and be connected.
Described signal amplification circuit 241 include integrated circuit modules D7642, electric capacity C1 and
Resistance R1, described zero cross detection circuit 242 includes chip LM324, described electric capacity C1 one end
As signal amplification circuit 241 signal input part with excitation/induction coil L2 excitation/induction end even
Connect, excitation/induction coil L2 other end ground connection, the described electric capacity C1 other end and integrated circuit die
Block D7642 input connects, integrated circuit modules D7642 earth terminal ground connection, integrated circuit die
Block D7642 outfan is connected with resistance R1 one end, chip LM324 input in the same direction, electricity
The resistance R1 electric former VCC of another termination, chip LM324 reverse input end ground connection, chip LM324
Outfan detects signal output part and controller 21 as zero cross detection circuit 242, and to detect signal defeated
Enter end to connect.
It is provided with insulation high-temperature-resistant between described oscillator coil L1 as above and temperature-sensitive electric capacity CT
Pottery, described temperature-sensitive electric capacity CT presses close to described pot gallbladder 100, and described oscillator coil L1 is in outside.
Heater 300 as above electrically connects with described controller 21, described range base 200
On be additionally provided with the control panel being connected with described controller 21.
As it has been described above, described capacitance C of temperature-sensitive electric capacity CT has with the relation function of temperature T
C=f (T), in order to make enforcement simple, uses function curve C=f (T) dullness in working range to pass
Increase or the temperature-sensitive electric capacity CT of monotone decreasing.
This case kitchen range thermometric process and principle are as follows:
First, controller 21 is sent to excitation/induction coil L2 by excitation drive circuit 22
Actuation drive signals such as sine voltage signal, drives excitation/induction coil L2 vibration to produce electricity
Magnetic wave, so, excitation/induction coil L2 transmits energy to oscillator coil L1, causes temperature-sensitive
LC oscillation circuit 1 forced oscillation；After a period of time, controller 21 controls excitation drive circuit
22 stop NMOS tube Q1 in excitation driving and controlled state switching circuit 23 consumes rapidly
Fall and quit work after energy on excitation/induction coil L2, so, temperature-sensitive LC oscillation circuit 1
Enter damped oscillation and excitation/induction coil L2 enters sense state, temperature-sensitive LC oscillation circuit 1
The upper outside electromagnetic signals of oscillator coil L1, excitation/induction coil L2 senses this signal,
And be amplified carrying out zero passage detection with zero cross detection circuit 242 by signal amplification circuit 241,
So, controller 21 detects temperature-sensitive LC oscillation circuit 1 by frequency detection circuit 24
Frequency of oscillation.
During work, LC oscillating circuit principle is observed in temperature-sensitive LC oscillation circuit 1 damped oscillation, its
Frequency of oscillationWherein, the inductance L of oscillator coil L1 is it is known that and controller
21 record the size of frequency of oscillation f by frequency detection circuit 24, and the electricity of temperature-sensitive electric capacity CT
Capacity C=f (T), draws formulaSo formulaIn only
One unknown number T, can calculate cooker liner temperature T size, then, controller 21 basis
The temperature T size measured is to control the heating work of heater 300.
As it has been described above, this case protection is the kitchen range of a kind of band temp sensing function, all are tied with this case
The same or like technical scheme of structure all should be shown as in the protection domain falling into this case.
Claims (7)
- null1. the kitchen range of a band temp sensing function，Include range base (200)，Described range base (200) is provided with heater (300) and pot gallbladder (100)，It is characterized in that being provided with on described pot gallbladder (100) temperature-sensitive LC oscillation circuit (1) for perception pot gallbladder (100) temperature，The temperature identification module (2) for identifying a pot gallbladder (100) temperature it is provided with on described range base (200)，Described temperature-sensitive LC oscillation circuit (1) includes oscillator coil L1 and the temperature-sensitive electric capacity CT for perception pot gallbladder (100)，Described temperature identification module (2) includes controller (21) and for transmitting energy to encourage temperature-sensitive LC oscillation circuit (1) to vibrate and to sense the excitation/induction coil L2 of temperature-sensitive LC oscillation circuit (1) frequency of oscillation to oscillator coil L1，On described excitation/induction coil L2, connection has for driving excitation/induction coil L2 to oscillator coil L1 energy-delivering excitation drive circuit (22)、For making excitation/induction coil L2 switch to the state switching circuit (23) of sense state from excitation state、And by excitation/induction coil L2 sensing temperature-sensitive LC oscillation circuit (1) frequency of oscillation so that controller (21) identifies the frequency detection circuit (24) of testee temperature，Described excitation drive circuit (22) control signal input、State switching circuit (23) control signal input、Frequency detection circuit (24) detection signal output part is connected with controller (21) respectively.
- nullThe kitchen range of a kind of band temp sensing function the most according to claim 1，It is characterized in that described excitation drive circuit (22) includes chip LM324、Resistance R2～R6、Electric capacity C2～C4、And audion Q2，Described electric capacity C4 one end is connected with controller (21) control signal outfan as excitation drive circuit (22) control signal input，The electric capacity C4 other end is by resistance R6 and resistance R5 one end、Chip LM324 input in the same direction is connected，Chip LM324 reverse input end ground connection，Chip LM324 outfan and the resistance R5 other end、Electric capacity C3 one end is connected，The electric capacity C3 other end and resistance R3 one end、Resistance R4 one end、Audion Q2 base stage is connected，The described resistance R4 other end be connected with audion Q2 emitter stage after ground connection，The described resistance R3 other end is connected with resistance R2 one end and is followed by power supply VCC，The resistance R2 other end and audion Q2 colelctor electrode、Electric capacity C2 one end is connected，The electric capacity C2 other end is connected with excitation/induction coil L2 excitation/induction end as excitation drive circuit (22) pumping signal outfan，Excitation/induction coil L2 other end ground connection.
- The kitchen range of a kind of band temp sensing function the most according to claim 1, it is characterized in that described state switching circuit (23) includes NMOS tube Q1, described NMOS tube Q1 grid is connected with controller (21) control signal outfan as state switching circuit (23) control signal input, NMOS tube Q1 grounded drain, NMOS tube Q1 source electrode is connected with described excitation/induction coil L2 excitation/induction end as state switching circuit (23) outfan, excitation/induction coil L2 other end ground connection.
- The kitchen range of a kind of band temp sensing function the most according to claim 1, it is characterized in that described frequency detection circuit (24) includes the signal amplification circuit (241) and zero cross detection circuit (242) being sequentially connected with, described signal amplification circuit (241) signal input part is connected with excitation/induction coil L2 excitation/induction end as frequency detection circuit (24) detection signal input part, excitation/induction coil L2 other end ground connection, described zero cross detection circuit (242) signal output part is connected with controller (21) detection signal input part as frequency detection circuit (24) detection signal output part.
- nullThe kitchen range of a kind of band temp sensing function the most according to claim 4，It is characterized in that described signal amplification circuit (241) includes integrated circuit modules D7642、Electric capacity C1、And resistance R1，Described zero cross detection circuit (242) includes chip LM324，Described electric capacity C1 one end is connected with excitation/induction coil L2 excitation/induction end as signal amplification circuit (241) signal input part，Excitation/induction coil L2 other end ground connection，The described electric capacity C1 other end is connected with integrated circuit modules D7642 input，Integrated circuit modules D7642 earth terminal ground connection，Integrated circuit modules D7642 outfan and resistance R1 one end、Chip LM324 input in the same direction is connected，The resistance R1 electric former VCC of another termination，Chip LM324 reverse input end ground connection，Chip LM324 outfan is connected with controller (21) detection signal input part as zero cross detection circuit (242) detection signal output part.
- 6. according to the kitchen range of a kind of band temp sensing function described in claim 1-5 any one, it is characterized in that between described oscillator coil L1 and temperature-sensitive electric capacity CT, being provided with insulation high-temperature-resistant pottery, described temperature-sensitive electric capacity CT presses close to described pot gallbladder (100), and described oscillator coil L1 is in outside.
- 7. according to the kitchen range of a kind of band temp sensing function described in claim 1-5 any one, it is characterized in that described heater (300) electrically connects with described controller (21), described range base (200) is additionally provided with the control panel being connected with described controller (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410360186.1A CN104075350B (en) | 2014-07-25 | Take cooking utensils of temperature measurement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410360186.1A CN104075350B (en) | 2014-07-25 | Take cooking utensils of temperature measurement function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104075350A CN104075350A (en) | 2014-10-01 |
| CN104075350B true CN104075350B (en) | 2017-01-04 |
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|---|---|---|---|---|
| DE4006885A1 (en) * | 1989-04-05 | 1990-10-11 | Siemens Ag | Contactless temp. measurement sensor esp. for vehicle brake discs - has LC combination on disc inductively coupled to fixed transmitter during measurement periods |
| CN101427116A (en) * | 2006-04-20 | 2009-05-06 | Nxp股份有限公司 | Method and device for determining the temperature of a semiconductor substrate |
| CN201612491U (en) * | 2009-12-28 | 2010-10-27 | 浙江苏泊尔家电制造有限公司 | Wireless-controlled cookware |
| CN201654980U (en) * | 2009-10-10 | 2010-11-24 | 浙江苏泊尔家电制造有限公司 | Coil coupling signal acquisition device |
| CN102281801A (en) * | 2008-12-16 | 2011-12-14 | 伯斯有限公司 | Induction cookware identifying |
| CN102680128A (en) * | 2011-03-17 | 2012-09-19 | 叶小舟 | Non-contact temperature measurement method and device using same |
| CN202567750U (en) * | 2012-06-08 | 2012-12-05 | 钟辅群 | Induction and temperature measurement electromagnetic oven cooking utensil |
| CN203964039U (en) * | 2014-07-25 | 2014-11-26 | 华帝股份有限公司 | Cooking utensils device with temperature detect function |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4006885A1 (en) * | 1989-04-05 | 1990-10-11 | Siemens Ag | Contactless temp. measurement sensor esp. for vehicle brake discs - has LC combination on disc inductively coupled to fixed transmitter during measurement periods |
| CN101427116A (en) * | 2006-04-20 | 2009-05-06 | Nxp股份有限公司 | Method and device for determining the temperature of a semiconductor substrate |
| CN102281801A (en) * | 2008-12-16 | 2011-12-14 | 伯斯有限公司 | Induction cookware identifying |
| CN201654980U (en) * | 2009-10-10 | 2010-11-24 | 浙江苏泊尔家电制造有限公司 | Coil coupling signal acquisition device |
| CN201612491U (en) * | 2009-12-28 | 2010-10-27 | 浙江苏泊尔家电制造有限公司 | Wireless-controlled cookware |
| CN102680128A (en) * | 2011-03-17 | 2012-09-19 | 叶小舟 | Non-contact temperature measurement method and device using same |
| CN202567750U (en) * | 2012-06-08 | 2012-12-05 | 钟辅群 | Induction and temperature measurement electromagnetic oven cooking utensil |
| CN203964039U (en) * | 2014-07-25 | 2014-11-26 | 华帝股份有限公司 | Cooking utensils device with temperature detect function |
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