CN108414110A - Induction temperature sensing device and temp measuring method, cooker and calutron - Google Patents
Induction temperature sensing device and temp measuring method, cooker and calutron Download PDFInfo
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- CN108414110A CN108414110A CN201810136424.9A CN201810136424A CN108414110A CN 108414110 A CN108414110 A CN 108414110A CN 201810136424 A CN201810136424 A CN 201810136424A CN 108414110 A CN108414110 A CN 108414110A
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- magnetic core
- calutron
- center pillar
- temperature sensing
- sensing device
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/36—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using magnetic elements, e.g. magnets, coils
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
Abstract
The present invention relates to a kind of induction temperature sensing devices, it is characterized in that, the induction temperature sensing device includes the control unit that can be generated the calutron of electromagnetic signal and connect and can detect electrical parameter in calutron with calutron, the calutron includes magnetic core and electromagnetic coil, the magnetic core includes magnetic core center pillar, the electromagnetic coil is set to magnetic core center pillar periphery, the calutron can generate electromagnetic signal after being powered, the induction temperature sensing device further includes the temperature-sensitive layer for capableing of electromagnetic signal caused by inductive electromagnetic device.The method that the present invention changes traditional measuring temperature, pass through the effect of electromagnetic signal, detect the temperature of temperature-sensitive layer, this detection method need not carry out the transmission of heat between tester and calutron, it can be directly into the temperature of test measured object, the not loss of heat, the not transmittance process of heat, thermometric is more timely, more acurrate.
Description
Technical field
The present invention relates to a kind of induction temperature sensing device and temp measuring methods, while the invention further relates to a kind of cooker and electricity
Magnetic device.
Background technology
Existing thermometry generally use thermal resistor, thermistor is one kind of sensing element, according to temperature system
Number difference is divided into positive temperature coefficient thermistor (PTC) and negative temperature coefficient thermistor (NTC).The allusion quotation of thermal resistor
Type feature is to show different resistance values at temperature sensitive, different temperature.Positive temperature coefficient thermistor (PTC) exists
Resistance value is bigger when temperature is higher, and negative temperature coefficient thermistor (NTC) resistance value when temperature is higher is lower.Its thermometric mistake
Temperature is passed to thermistor by Cheng Shi, measured object, and thermistor characteristic changes, and judges the electric signal of thermistor to examine
Testing temperature has the loss of heat in heat transfer process, and has certain hysteresis quality, to keep thermometric not accurate enough.
Invention content
The present invention is at least one defect overcome described in the above-mentioned prior art, provide it is a kind of can generate magnetic signal,
Facilitate the induction temperature sensing device for realizing that temperature is precisely controlled.
Technical solution of the present invention is as follows：
A kind of induction temperature sensing device, the induction temperature sensing device include can generate electromagnetic signal calutron and with
Calutron connects and can detect the control unit of electrical parameter in calutron, and the calutron includes magnetic core and electromagnetic wire
Circle, the magnetic core include magnetic core center pillar, and the electromagnetic coil is set to magnetic core center pillar periphery, and the calutron can produce after being powered
Raw electromagnetic signal, the induction temperature sensing device further include the temperature-sensitive layer for capableing of electromagnetic signal caused by inductive electromagnetic device.This
It is preferably pulse signal, voltage, electric current or resistance parameter to locate the electrical parameter, wherein pulse signal is number of pulses, pulse is wide
Degree or impulse amplitude etc.；
Electromagnetic coil periphery is equipped with magnetic shoe piece, magnetic shoe piece and magnetic core center pillar direct or indirect connection.Magnetic shoe piece can be arranged
Electromagnetic coil is surrounded at an entirety, magnetic shoe piece can also be divided into several parts, setting ceramic tiles piece can facilitate magnetism
The concentration of signal increases the intensity of electromagnetic signal.
The calutron is additionally provided with holder, and the holder is set on magnetic core center pillar, and the electromagnetic coil is wrapped in branch
On frame.Electromagnetic coil both can be arranged directly on magnetic core center pillar, can also be arranged on holder, is then set in by holder
On magnetic core center pillar, the winding of this more convenient electromagnetic coil of mode is processed.
The branch is provided with the first partition, the second partition and holder center pillar, and first partition and the second partition pass through branch
Frame center pillar connects, and holder center pillar is hollow structure, and the electromagnetic coil is between the first partition, the second partition.
Magnetic core center pillar lower end is equipped with bottom disk, and the magnetic shoe piece is connect with magnetic core center pillar by bottom disk.Institute
It states bottom disk to connect with magnetic core center pillar, can also be made of one with magnetic core center pillar, the setting convenient electromagnetic signal of bottom disk
Conduction.
The ceramic tiles piece is three, is looped around electromagnetic coil periphery, gap is equipped between ceramic tiles piece.It is set between magnetic shoe piece
The generation vortex in magnetic shoe piece can be reduced or eliminated by setting gap, reduce the influence to electromagnetism model.
The magnetic shoe piece height value is less than magnetic core center pillar height value.Preferably, magnetic shoe piece top is than capital in magnetic core
The low 1mm-15mm of end height, bottom disk thickness are 2mm-10mm.If magnetic shoe piece is connect with magnetic core center pillar, if electromagnetic signal not
Convenient electromagnetic signal is excessively disperseed if being not provided with ceramic tiles piece with to external diffusion, therefore, by controlling in ceramic tiles piece and magnetic core
Position relationship between column can obtain ideal electromagnetic signal strength.
The magnetic core center pillar is equipped with centre bore, it is preferred that the center-hole diameter value is not more than 5mm.On magnetic core center pillar
On the one hand centre bore, which is arranged, can reduce the use of material, it is often more important that can radiate in order to calutron.
The electromagnetic coil is made of at least one layer of enamel wire coil.
The magnetic core center pillar is made of first segment and second segment, and being respectively equipped on first segment and second segment can cooperate
Concaveconvex structure, there are laps for the concaveconvex structure in the longitudinal direction for magnetic core center pillar.
Top end is equipped with magnetic core cover board in the magnetic core, and the diameter of magnetic core cover board is less than bottom disk.
The temperature-sensitive layer is made of permalloy or Precise Alloy material.Preferably, the magnetic conductivity of the temperature-sensitive layer is
2000~200000H/m, resistivity are 30~130 μ Ω cm.
Preferably, the Curie-point temperature of the permalloy or Precise Alloy material 30 degrees Celsius to 500 degrees Celsius it
Between.
Further, the Precise Alloy material is material of the Curie-point temperature between 180 degrees Celsius to 230 degrees Celsius
Material.Such as (the triumphant metallurgy in Shanghai belongs to by Precise Alloy 4J36 (the triumphant metallurgical metal products Co., Ltd production in Shanghai) or Precise Alloy 4J32
Products Co., Ltd produces).Precise Alloy 4J36 is a kind of special low bulk iron-nickel alloy with super-low expansion coefficient,
Curie point is 230 degrees Celsius；Precise Alloy 4J32 alloys are also known as super invar (Super-Invar) alloy, and Curie-point temperature is
220 degrees Celsius.
Through research verify, can be suitable for this patent Precise Alloy material be preferably standard No. be GB/T15018-94,
Following alloy material cited by YB/T5239-2005, YB/T5262-93, YB/T5254-2011, wherein standard No. GB/
T15018-94 refers to《National Standard of the People's Republic of China's Precise Alloy trade mark》, standard No. YB/T5254-2011 refers to《In
Magnificent people's republic's iron and steel industry professional standard》.
| Types of alloys | Alloy designations | Curie point |
| Ferromanganese | 4J59 | 70 |
| Constant modulus alloy | 3J53 | 110 |
| Constant modulus alloy | 3J53Y | 110 |
| Elastic alloy | Ni44MoTiAl | 120 |
| Constant modulus alloy | 3J58 | 130 |
| Elastic alloy | 3J54 | 130 |
| Elastic alloy | 3J58 | 130 |
| Elastic alloy | 3J59 | 150 |
| Amorphous soft magnetic alloy | (FeNiCo)78(SiB)22 | 150 |
| Elastic alloy | 3J53 | 155 |
| Elastic alloy | 3J61 | 160 |
| Elastic alloy | 3J62 | 165 |
| Precise Alloy | 4J36 | 230 |
| Precise Alloy | 4J32 | 220 |
The chemical composition of elastic alloy 3J53 includes in table：
C element content is not more than 0.05%；
The content of S elements is not more than 0.020%；
The content of P element is not more than 0.020%；
The content of Mn elements is not more than 0.80%；
The content of Si elements is not more than 0.80%；
The content of Ni elements is 41.5%~43.0%；
The content of Cr elements is 5.2%~5.8%；
The content of Ti elements is 2.3%~2.7%；
The content of Al elements is 0.5%~0.8%；
Surplus is Fe elements.
The chemical composition of elastic alloy 3J58 includes：
C element content is not more than 0.05%；
The content of S elements is not more than 0.020%；
The content of P element is not more than 0.020%；
The content of Mn elements is not more than 0.80%；
The content of Si elements is not more than 0.80%；
The content of Ni elements is 43.0%~43.6%；
The content of Cr elements is 5.2%~5.6%；
The content of Ti elements is 2.3%~2.7%；
The content of Al elements is 0.5%~0.8%；
Surplus is Fe elements.
The chemical composition of Precise Alloy 4J32 includes：
C element content is not more than 0.05%；
The content of S elements is not more than 0.020%；
The content of P element is not more than 0.020%；
The content of Mn elements is 0.20%~0.60%；
The content of Si elements is not more than 0.20%；
The content of Ni elements is 31.5%~33.0%；
The content of Co elements is 3.2%~4.2%；
The content of Cu elements is 0.4%~0.8%；
Surplus is Fe elements.
The chemical composition of Precise Alloy 4J36 includes：
C element content is not more than 0.05%；
The content of S elements is not more than 0.020%；
The content of P element is not more than 0.020%；
The content of Mn elements is 0.20%~0.60%；
The content of Si elements is not more than 0.30%；
The content of Ni elements is 35.0%~37.0%；
Surplus is Fe elements.
The above alloy material can be obtained by other public Sales Channels.
Temperature-sensitive layer plays the role of controlling temperature jointly with calutron mutual cooperation, which both can be with the sense
It answers temperature measuring equipment to be fixedly connected, becomes a part for induction temperature sensing device, temperature-sensitive layer can also individually be processed and removable
It is assemblied in unloading formula on induction temperature sensing device, becomes a relatively independent component, it can be at any time by temperature-sensitive when using
It is placed on above calutron, after use, temperature-sensitive layer can be taken away at any time.Possibly even temperature-sensitive layer is attached to can
On the cooking apparatus being used cooperatively with induction temperature sensing device, but regardless of combination, as long as temperature-sensitive layer can sense electricity
Electromagnetic signal caused by magnetic device just has the primary condition of control temperature.
The present invention also provides a kind of cooker, the cooker is equipped with above-mentioned induction temperature sensing device, the culinary art
Device is gas-cooker, electromagnetic oven, electric cooker, pressure cooker.
The present invention also provides a kind of induction temperature sensing methods, include the following steps：
1) temperature-sensitive layer is set on measured object surface, the temperature-sensitive layer is made of permalloy or Precise Alloy material；
2) it is disposed underneath or over calutron in temperature-sensitive layer, the calutron includes magnetic core and electromagnetic coil, described
Magnetic core includes magnetic core center pillar, and the electromagnetic coil is set to magnetic core center pillar periphery, and the calutron can generate electromagnetism after being powered
Signal；
3) control unit is provided and is connect with calutron, described control unit includes detection and analysis module；
4) the corresponding pass between the temperature value of the cooker and the electrical parameter values of calutron is set in the control module
System；
5) detected value for detecting and obtaining electrical parameter in calutron, then according to the detected value of electrical parameter or the detection
The corresponding temperature value of value.The electrical parameter such as pulse signal, voltage, electric current or resistance parameter, wherein pulse signal is pulse
Quantity, pulse width or impulse amplitude etc., because these electrical parameters can form specific corresponding pass between temperature-sensitive layer temperature value
System.
The present invention also provides a kind of calutron, the calutron includes magnetic core and electromagnetic coil, the magnetic core packet
Include magnetic core center pillar, the electromagnetic coil is set to magnetic core center pillar periphery, and electromagnetic coil periphery is equipped with magnetic shoe piece, magnetic shoe piece in magnetic core
Column direct or indirect connection.
The calutron is additionally provided with holder, and the holder is set on magnetic core center pillar, and the electromagnetic coil is wrapped in branch
On frame.
The branch is provided with the first partition, the second partition and holder center pillar, and first partition and the second partition pass through branch
Frame center pillar connects, and holder center pillar is hollow structure, and the electromagnetic coil is between the first partition, the second partition.
Magnetic core center pillar lower end is equipped with bottom disk, and the magnetic shoe piece is connect with magnetic core center pillar by bottom disk
The ceramic tiles piece is three, is looped around electromagnetic coil periphery, gap is equipped between ceramic tiles piece.
The magnetic shoe piece height value is less than magnetic core center pillar height value.
The magnetic shoe piece is arranged perpendicular to bottom disk, and magnetic shoe piece top is than magnetic core center pillar tip height 1mm-
15mm, bottom disk thickness are 2mm-10mm.
The magnetic core center pillar is equipped with centre bore, and the center-hole diameter value is not more than 5mm.
The magnetic core center pillar is made of first segment and second segment, and being respectively equipped on first segment and second segment can cooperate
Concaveconvex structure, there are laps for the concaveconvex structure in the longitudinal direction for magnetic core center pillar.
The calutron can also be applied to the dresses such as electromagnetic oven, electric cooker other than it can be used for induction temperature sensing device
It sets.
The method that the present invention changes traditional measuring temperature detects the temperature of temperature-sensitive layer by the effect of electromagnetic signal,
This detection method need not carry out the transmission of heat between tester and calutron, can be directly into test measured object
Temperature, the not loss of heat, the not no transmittance process of heat, thermometric is more timely, more acurrate.
Description of the drawings
Fig. 1 is present invention supporting structure schematic diagram in one embodiment.
Fig. 2 is that magnetic core uses schematic diagram to the present invention in one embodiment.
Fig. 3 is present invention schematic cross-sectional view after holder is connected with magnetic core in one embodiment.
Fig. 4 is present invention overall structure diagram after holder is connected with magnetic core in one embodiment.
Fig. 5, Fig. 6 are the structural schematic diagrams of the embodiment of the present invention 2.
Fig. 7 is the structural schematic diagram of the embodiment of the present invention 3.
Fig. 8, Fig. 9 are umber of pulse and temperature curve figure.
Specific implementation mode
Attached drawing only for illustration, is not considered as limiting the invention；It is attached in order to more preferably illustrate the present embodiment
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of position relationship described in attached drawing
Illustrate, is not considered as limiting the invention.
Embodiment 1
Include holder 1 and magnetic core 2, holder 1 is equipped with such as Fig. 1 and as shown in Fig. 2, the present invention provides a kind of calutron
First partition 12 and the second partition 13, are connected between the first partition 12 and the second partition 13 by center pillar 14.First partition, 12 He
Mounting groove is formed between second partition 13, electromagnetic coil is equipped on mounting groove.
Holder 1 is equipped with mounting hole 11, and magnetic core 2 is equipped with magnetic core center pillar 21, and magnetic core center pillar 21 can be chimeric with mounting hole 11, real
The connection of existing holder 1 and magnetic core 2.Magnetic core 2 is equipped with the disk being connect with magnetic core center pillar 21 and is arranged, in the present embodiment, bottom disk
23 are connected with magnetic shoe piece 24, while magnetic shoe piece 24 is arranged perpendicular to bottom disk 23, and the ceramic tiles piece 24 can also be with bottom magnetic
At an angle, for example 85-95 degree, 2 material of the magnetic core are preferably manganese-zinc ferrite to disk 23, and magnetic pole center pillar and bottom disk can
To be set as being integrally formed, it can also be set as seperated molding, linked together by glue etc..
As shown in Fig. 2, the bottom disk 23 can be integrally formed, can also be made of several disk cells,
For disk cell along the radial setting of magnetic core center pillar 21, the limited amount of disk cell is 2-6.Bottom disk 23 is equipped with gap,
Generate vortex to be reduced or eliminated on bottom disk, the gap can with quantity be preferably 1-5, when bottom disk 23
When being made of several disk cells, several disk cells can reserve certain space in setting so as to formed it is described between
Gap.
Locating piece is equipped on holder 1 simultaneously, when holder 1 is connect with magnetic core 2, locating piece and movable fit realize branch
Frame 1 is stably connected with magnetic core 2.
In the present embodiment, the bottom disk is integrally in the form of annular discs, and 23 thickness of bottom disk is 2mm-10mm.Magnetic core simultaneously
Center pillar 21 is equipped with centre bore 22, and the diameter value of centre bore 22 is not more than 5mm.
Preferably, 24 height value of magnetic shoe piece is less than 21 height value of magnetic core center pillar, it is preferred that magnetic shoe piece top ratio
The low 1mm-15mm of magnetic core center pillar tip height, the ceramic tiles piece 24 are connect by bottom disk 23 with magnetic core center pillar 21, ceramic tiles piece
24 tops and magnetic core center pillar 21 do not turn on simultaneously, and in the operating condition, which is conducive to assemble to the maximum extent, guides magnetic
Feel line, improves the induction of calutron.
Such as Fig. 3 and as shown in figure 4, in the present embodiment, holder 1 is equipped with binding post 3, and 3 one end of binding post connects with electromagnetic coil
It connects, the other end is connect with control unit 3, and the connection of electromagnetic coil and control unit 3 is realized by the effect of binding post 3, described
Holder 1 is generally made by electrically non-conductive material, and binding post 3 is made by conductive material.
In the present embodiment, it is equipped between the first partition 12 and the second partition 13 and is made of at least one layer of enamel wire coil
Electromagnetic coil, enamel wire coil are made of sub-thread or the winding of multiply enameled wire, and enamel wire coil is equipped with 1 to 30 layer.The present embodiment
In, between a diameter of 0.03mm -0.2mm of enameled wire, it is preferable that between a diameter of 0.1mm-0.15mm of enameled wire.Enamel-cover
Line lead material is copper or aluminium, and wire enamel outer membrane material is the enamel-cover film for waiting self-adhesions characteristic, such as polyvinyl butyral, epoxy
The self-binding enamel wires paint such as resin.Electromagnetic coil described in this patent refers to generate electromagnetic signal in the case where current signal acts on
Carrier, specific form can the wire producing described in the present embodiment form, or other forms, such as in magnetic core center pillar
It etches, or conducting wire etc. is replaced by copper foil or printed circuit etc..
Embodiment 2
As shown in Figure 5,6, the present embodiment is additionally arranged magnetic core cover board 25, the magnetic core cover board 25 on the basis of embodiment 1
Set on the top of magnetic core center pillar, it is preferred that the diameter of magnetic core cover board 25 be less than bottom disk diameter, the magnetic core cover board 25 with
Magnetic core center pillar can be both integrally formed, can also detachable connection.
Preferably, the magnetic core center pillar is made of first segment 26 and the interlocking of second segment 27, on first segment 26 and second segment 27
Be respectively equipped with can mutually matched concaveconvex structure, in the longitudinal direction, the concaveconvex structure is there are lap 28, weight for magnetic core center pillar
The height of folded part 28 is 0.03~3mm.The concaveconvex structure increases the contact area between magnetic core component, it is possible to reduce magnetic
Leakage, the bigger effect of contact area is better, therefore the concaveconvex structure can not only make the cylindrical of rule, can also do
At curvilinear concaveconvex structure.
Embodiment 3
As shown in fig. 7, this patent additionally provides a kind of cooker, such as gas-cooker, including gas-cooker 5 and it is placed in gas-cooker
The cooking apparatus 4 of 5 tops, which is preferably cookware 4, the gas-cooker 5 include burner 51, grate 52, panel 53, into
Tracheae 55 and control valve 54, panel 57 are equipped with mounting hole, and burner 51 is set in mounting hole, and grate 52 is set on panel 53, stove
Frame 52 is arranged with burner 51 in concentric circles, i.e., grate 52 is set to the periphery of burner 51, to support heating object.The air inlet
Pipe 55 is connected to burner 51, and to provide pipeline for gas supply, the air inlet pipe 55 is equipped with control valve 54, the control valve 54
Can be solenoid valve or other valves with regulating gas air-flow magnitude function.The induction temperature sensing device further includes being set to cookware
The calutron 57 and control unit 56, the calutron 57 and control valve 54 of 4 lower sections are electrically connected with control unit 26, and
Three connect with power supply, and calutron 57 is preferably fixed to above or below burner 51, the structure feature of calutron 57
As described in Example 1, calutron is connect with control unit 56, and control unit 56 is preferably fixed to 53 lower section of panel.
As another preferred embodiment, the cookware 4 is equipped with being capable of electromagnetic signal caused by inductive electromagnetic device 57
Temperature-sensitive layer 41.The temperature-sensitive layer 41 can both make cookware entirety, a part for cookware be can also be used as, by riveting, welding
It connects, meltallizing, the methods of printing make it be combined with each other with cookware main body.When temperature-sensitive layer 11 is arranged in 1 bottom of cookware, both may be used
To be individually composed 4 bottom of cookware, it can also be compounded in 4 bottom of cookware, become a part for 4 bottom of cookware, with regard to its recombination site
For, temperature-sensitive layer 41 can both be located at the upper surface of 4 bottom of cookware, can also be located at the lower surface of 4 bottom of cookware.The cookware
Bottom, i.e. the bottom of a pan part both can be single layer designs, or compound design, for example, the bottom of a pan is by aluminium sheet, steel plate, copper
One or more of plate or iron plate, which are combined with each other, to be formed.When 4 bottom of cookware is composite design, the temperature-sensitive layer 41 is also
It can be set between the upper and lower surface of the bottom of a pan.Certainly, for three-dimensional heating, the temperature-sensitive layer can also be arranged in pot
Body position.
In addition, the temperature-sensitive layer 41 can also be respectively set with cookware 41, for example temperature-sensitive layer 41 is independent as one
Component is arranged on grate, then the vessel such as placing cooker on temperature-sensitive layer.
There is the temperature-sensitive layer 41 high magnetic permeability, the temperature-sensitive layer 41 to be made of ferromagnetism or ferrimagnetic material, such as
Permalloy, Precise Alloy, in curie point, meeting bust to zero or near zero, so-called permalloy, that is, iron nickel closes magnetic conductivity
Gold, 41 magnetic conductivity of temperature-sensitive layer are preferably 2000~200000H/m, and resistivity is preferably 30~130 μ Ω cm.
For the present embodiment, the Precise Alloy material is preferably that (the triumphant metallurgical metal products in Shanghai have Precise Alloy 4J36
Limit company produces) or Precise Alloy 4J32 (the triumphant metallurgical metal products Co., Ltd production in Shanghai), 41 thickness of temperature-sensitive layer is preferred
It it is 0.1 to 3 millimeter, the present embodiment is 1.5 millimeters.
The structure in the form of sheets of the temperature-sensitive layer 41, is compounded in the bottom of cookware 4, can also be by powdered or granular precision
Alloy material forms, and is attached to 4 bottom of cookware.
For this patent, it is clear that every have the above resistivity or ferromagnetism varies with temperature and the temperature-sensitive layer material that changes
Material can be adapted for this patent, the present embodiment it is preferable to use permalloy or Precise Alloy material Curie-point temperature 30
Degree Celsius to Precise Alloy material between 500 degrees Celsius, further preferred Curie-point temperature 70 degrees Celsius to 400 degrees Celsius it
Between Precise Alloy material, for the type of Precise Alloy material, it is preferable to use following alloy materials for this implementation：
So-called permalloy is also known as iron-nickel alloy, and the wherein content of iron is 35~70%, further preferably 63~67%,
The content 30~65% of nickel, further preferably 37~58%.Iron-nickel alloy has high magnetic permeability, and understands bust extremely in curie point
Close to space permeability.
The calutron 57, temperature-sensitive layer 41, control unit form induction temperature sensing device.
Described control unit 56 includes detection and analysis module and control module, and the detection and analysis module connects with calutron
It connects, the detection and analysis module is to the variation for detecting electrical parameter in calutron in real time, and the variation of electrical parameter is by 41 temperature of temperature-sensitive layer
It spends the influence of variation and forms corresponding correspondence with 41 temperature of temperature-sensitive layer, and then realize the measurement to temperature.The electricity ginseng
Number can be pulse signal, voltage, electric current or resistance parameter, wherein pulse signal is preferably umber of pulse, pulse width or pulse
Amplitude etc..
On the basis of thermometric, this patent can also realize the control to temperature, by taking umber of pulse as an example, the control module
Input terminal with detection and analysis module connect, output end is connect with control valve, test and analyze module detect calutron middle arteries
After rushing number, initially set minimum or peak is seen if fall out by contrast, and when going beyond the scope, control module will adjust temperature
Regulating device, i.e. control valve are spent, gas quantity size is controlled, the final firepower size for adjusting cooker adjusts sense to reach
The effect of 41 temperature of warm layer；When without departing from range, current firepower will be kept, to ensure that the temperature of temperature-sensitive layer maintains centainly
Section.In addition, control module is also connect with the signal generating unit in calutron.
Specifically, after gas-cooker work, the impulse generating unit in calutron generates signal and passes to electromagnetic wire
Circle, the signal can be that number of pulses, pulse width, impulse amplitude, voltage, electric current or resistance parameter etc. identified can be believed
Number, which is received and converted into electromagnetic signal by the electromagnetic coil of calutron, and at the same time, control valve is open-minded, and burner is logical
Start to burn and heat temperature-sensitive layer after gas, the electromagnetic signal, which is acted on temperature-sensitive layer and is lost by temperature-sensitive layer, to decay, electricity
The electrical parameter of magnetic device changes with the variation of temperature-sensitive layer temperature, and forms specific correspondence, electrical parameter number of pulses, the arteries and veins
Rush between width, impulse amplitude, voltage, electric current or resistance parameter etc., such as umber of pulse and temperature-sensitive layer temperature be formed by it is corresponding
Relationship.Signal receiving unit in calutron receives the electrical parameter, and the detection and analysis module of control unit detects the electrical parameter
Whether exceed initial set value, and the analysis result is transferred to the control module of control unit, control module is according to the analysis
As a result and by control valve gas fuel saving uninterrupted temperature-sensitive layer temperature is made to be maintained in pre-set interval, that is, when the electricity detected
When parameter is more than or less than setting value, control module will make the detected value of the electrical parameter reduce or rise by controlling control valve size
Height is until the detected value of electrical parameter is equal or close to setting value.So-called approach refers to that acceptable is a certain range of herein
Difference, for example current value, within 0-0.5A, voltage value is within 50V, and for resistance value within 5 Ω, pulse signal is equal within 3
It can be assumed that be a kind of close.
This patent additionally provides a kind of induction temperature sensing method, includes the following steps：
1) temperature-sensitive layer is set on measured object surface, the temperature-sensitive layer is made of permalloy or Precise Alloy material；
2) it is disposed underneath or over calutron in temperature-sensitive layer, the calutron includes magnetic core and electromagnetic coil, described
Magnetic core includes magnetic core center pillar, and the electromagnetic coil is set to magnetic core center pillar periphery, and the calutron can generate electromagnetism after being powered
Signal；
3) control unit is provided and is connect with calutron, described control unit includes detection and analysis module；
4) the corresponding pass between the temperature value of the cooker and the electrical parameter values of calutron is set in the control module
System, this is because the unique physical of temperature-sensitive layer, makes that spy can be formed between temperature-sensitive layer temperature and the electrical parameter of calutron
Fixed correspondence, this patent realize the control to temperature using the correspondence.
5) detected value for detecting and obtaining electrical parameter in calutron, then according to the detected value of electrical parameter or the detection
The corresponding temperature value of value.The electrical parameter such as pulse signal, voltage, electric current or resistance parameter, wherein pulse signal is pulse
Quantity, pulse width or impulse amplitude etc., because these electrical parameters can form specific corresponding pass between temperature-sensitive layer temperature value
System.
Above-mentioned cooker can also be electromagnetic oven, electric cooker, pressure cooker etc. other than gas-cooker.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (29)
1. a kind of induction temperature sensing device, which is characterized in that the induction temperature sensing device includes the electromagnetism that can generate electromagnetic signal
Device and the control unit that connect and can detect electrical parameter in calutron with calutron, the calutron includes magnetic
Core and electromagnetic coil, the magnetic core include magnetic core center pillar, and the electromagnetic coil is set to magnetic core center pillar periphery, and the calutron is logical
Electromagnetic signal can be generated after electricity, the induction temperature sensing device further includes being capable of electromagnetic signal caused by inductive electromagnetic device
Temperature-sensitive layer.
2. induction temperature sensing device according to claim 1, which is characterized in that electromagnetic coil periphery is equipped with magnetic shoe piece, magnetic shoe
Piece and magnetic core center pillar direct or indirect connection.
3. induction temperature sensing device according to claim 1, which is characterized in that the calutron is additionally provided with holder, described
Holder is set on magnetic core center pillar, and the electromagnetic coil is wrapped on holder.
4. induction temperature sensing device according to claim 3, which is characterized in that the branch be provided with the first partition, second every
Piece and holder center pillar, first partition and the second partition are connected by holder center pillar, and holder center pillar is hollow structure, the electricity
Magnetic coil is between the first partition, the second partition.
5. induction temperature sensing device according to claim 2, which is characterized in that magnetic core center pillar lower end is equipped with bottom magnetic
Disk, the magnetic shoe piece are connect with magnetic core center pillar by bottom disk.
6. induction temperature sensing device according to claim 2, which is characterized in that the ceramic tiles piece is three, is looped around electromagnetism
Coil periphery is equipped with gap between ceramic tiles piece.
7. induction temperature sensing device according to claim 2, which is characterized in that the magnetic shoe piece height value is less than magnetic core center pillar
Height value.
8. induction temperature sensing device according to claim 5, which is characterized in that magnetic shoe piece top is than top end in magnetic core
Highly low 1mm-15mm, bottom disk thickness are 2mm-10mm.
9. induction temperature sensing device according to claim 1, which is characterized in that the magnetic core center pillar is equipped with centre bore.
10. induction temperature sensing device according to claim 1, which is characterized in that the electromagnetic coil is by least one layer of enamel-cover
Line coil forms.
11. induction temperature sensing device according to any one of claims 1 to 10, which is characterized in that the magnetic core center pillar is by first
Section and second segment composition, be respectively equipped on first segment and second segment can mutually matched concaveconvex structure, magnetic core center pillar is in longitudinal direction
There are laps for the upper concaveconvex structure.
12. induction temperature sensing device according to claim 11, which is characterized in that top end is equipped with magnetic core lid in the magnetic core
The diameter of plate, magnetic core cover board is less than bottom disk.
13. induction temperature sensing device according to any one of claims 1 to 12, which is characterized in that the temperature-sensitive layer is closed by perm
Gold or Precise Alloy material are made.
14. induction temperature sensing device according to claim 13, which is characterized in that the Precise Alloy material is Precise Alloy
4J36, Precise Alloy 4J32, ferromanganese 4J59, constant modulus alloy 3J53, constant modulus alloy 3J53Y, constant modulus alloy 3J58,
Elastic alloy 3J54, elastic alloy 3J58, elastic alloy 3J59, elastic alloy 3J53, elastic alloy 3J61, elastic alloy
3J62, elastic alloy Ni44MoTiAl, Precise Alloy 4J36, Precise Alloy 4J32 or amorphous soft magnetic alloy (FeNiCo)78
(SiB)22。
15. induction temperature sensing device according to claim 13, which is characterized in that described control unit includes detection and analysis mould
Block, the detection and analysis module is connect with calutron, to detect the electrical parameter in calutron.
16. induction temperature sensing device according to claim 15, which is characterized in that the induction temperature sensing device further includes temperature
Regulating device, described control unit further include control module, and the input terminal of the control module is connect with detection and analysis module, defeated
Outlet is connect with temperature-adjusting device, and the control module adjusts temperature sensing device according to testing result and by temperature-adjusting device
Temperature level.
17. a kind of cooker, which is characterized in that the cooker is equipped with any induction temperature sensing of claim 1 to 16
Device.
18. cooker according to claim 17, which is characterized in that the cooker is gas-cooker, electromagnetic oven, electricity
Pot for cooking rice or pressure cooker.
19. a kind of induction temperature sensing method, includes the following steps：
1）Temperature-sensitive layer is set on measured object surface, the temperature-sensitive layer is made of permalloy or Precise Alloy material；
2）It is disposed underneath or over calutron in temperature-sensitive layer, the calutron includes magnetic core and electromagnetic coil, the magnetic core
Including magnetic core center pillar, the electromagnetic coil is set to magnetic core center pillar periphery, and the calutron can generate electromagnetic signal after being powered；
3）Control unit is provided and is connect with calutron, described control unit includes detection and analysis module；
4）Correspondence between the temperature value of the cooker and the electrical parameter values of calutron is set in the control module；
5）The detected value of electrical parameter in calutron is detected and obtains, then according to the detected value of electrical parameter or the detected value institute
Corresponding temperature value.
20. a kind of calutron, which is characterized in that the calutron includes magnetic core and electromagnetic coil, and the magnetic core includes magnetic
Core center pillar, the electromagnetic coil are set to magnetic core center pillar periphery, and electromagnetic coil periphery is equipped with magnetic shoe piece, and magnetic shoe piece and magnetic core center pillar are straight
It connects or is indirectly connected with.
21. calutron according to claim 20, which is characterized in that the calutron is additionally provided with holder, the branch
Frame is set on magnetic core center pillar, and the electromagnetic coil is wrapped on holder.
22. calutron according to claim 21, which is characterized in that the branch is provided with the first partition, the second partition
With holder center pillar, first partition and the second partition are connected by holder center pillar, and holder center pillar is hollow structure, the electromagnetism
Coil is between the first partition, the second partition.
23. calutron according to claim 20, which is characterized in that magnetic core center pillar lower end is equipped with bottom disk,
The magnetic shoe piece is connect with magnetic core center pillar by bottom disk.
24. calutron according to claim 20, which is characterized in that the ceramic tiles piece is three, is looped around electromagnetic wire
Circle is peripheral, and gap is equipped between ceramic tiles piece.
25. calutron according to claim 20, which is characterized in that the magnetic shoe piece height value is less than pillar height in magnetic core
Angle value.
26. calutron according to claim 25, which is characterized in that the magnetic shoe piece is arranged perpendicular to bottom disk,
Than magnetic core center pillar tip height 1mm-15mm, bottom disk thickness is 2mm-10mm on magnetic shoe piece top.
27. calutron according to claim 20, which is characterized in that the magnetic core center pillar is equipped with centre bore.
28. according to any induction temperature sensing device of claim 20 to 27, which is characterized in that the magnetic core center pillar is by first
Section and second segment composition, be respectively equipped on first segment and second segment can mutually matched concaveconvex structure, magnetic core center pillar is in longitudinal direction
There are laps for the upper concaveconvex structure.
29. induction temperature sensing device according to claim 28, which is characterized in that top end is equipped with magnetic core lid in the magnetic core
The diameter of plate, magnetic core cover board is less than bottom disk.
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| CN201810136424.9A CN108414110A (en) | 2018-02-09 | 2018-02-09 | Induction temperature sensing device and temp measuring method, cooker and calutron |
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| CN201810136424.9A CN108414110A (en) | 2018-02-09 | 2018-02-09 | Induction temperature sensing device and temp measuring method, cooker and calutron |
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| CN110553284A (en) * | 2018-08-29 | 2019-12-10 | 肇庆市尚尼智能家居科技有限公司 | cooking appliance and temperature control method |
| CN110572893A (en) * | 2018-08-29 | 2019-12-13 | 肇庆市尚尼智能家居科技有限公司 | Electromagnetic heating device and temperature control method |
| CN110715325A (en) * | 2018-08-29 | 2020-01-21 | 肇庆市尚尼智能家居科技有限公司 | Gas stove and method for controlling firepower |
| CN112712974A (en) * | 2020-12-21 | 2021-04-27 | 中车北京南口机械有限公司 | Electromagnetic device, high voltage generator, and method for manufacturing electromagnetic device |
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