CN108414110B - Induction temperature measuring device and temperature measuring method, cooking device and electromagnetic device - Google Patents
Induction temperature measuring device and temperature measuring method, cooking device and electromagnetic device Download PDFInfo
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Classifications
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cookers (AREA)
Abstract
本发明涉及一种感应测温装置，其特征在于，所述感应测温装置包括能够产生电磁信号的电磁装置以及与电磁装置连接并能够检测电磁装置中电参数的控制单元，所述电磁装置包括磁芯和电磁线圈，所述磁芯包括磁芯中柱，所述电磁线圈设于磁芯中柱外围，所述电磁装置通电后能够产生电磁信号，所述感应测温装置还包括能够感应电磁装置所产生的电磁信号的感温层。本发明改变了传统的测量温度的方法，通过电磁信号的作用，检测感温层的温度，这种检测方法不需要在测试物和电磁装置之间进行热量的传递，可以直接进测试被测物的温度，没有热量的损失，没有热量的传递过程，测温更及时，更准确。
The present invention relates to an induction temperature measuring device, characterized in that the induction temperature measuring device includes an electromagnetic device capable of generating an electromagnetic signal and a control unit connected to the electromagnetic device and capable of detecting electrical parameters in the electromagnetic device, the electromagnetic device includes a magnetic core and an electromagnetic coil, the magnetic core includes a core center column, the electromagnetic coil is arranged on the periphery of the core center column, the electromagnetic device can generate an electromagnetic signal after being energized, and the induction temperature measuring device also includes a temperature-sensitive layer capable of sensing the electromagnetic signal generated by the electromagnetic device. The present invention changes the traditional method of measuring temperature, and detects the temperature of the temperature-sensitive layer through the action of electromagnetic signals. This detection method does not require heat transfer between the test object and the electromagnetic device, and can directly test the temperature of the test object, without heat loss and heat transfer process, and the temperature measurement is more timely and accurate.
Description
Technical Field
The invention relates to an induction temperature measuring device and a temperature measuring method, and simultaneously relates to a cooking device and an electromagnetic device.
Background
The existing temperature measurement technology generally adopts a thermistor, wherein the thermistor is one type of sensitive element, and is divided into a positive temperature coefficient thermistor (PTC) and a negative temperature coefficient thermistor (NTC) according to temperature coefficients. A typical characteristic of thermistors is that they are temperature sensitive and exhibit different resistance values at different temperatures. The higher the temperature, the greater the resistance of the positive temperature coefficient thermistor (PTC), and the lower the resistance of the negative temperature coefficient thermistor (NTC). The temperature measurement process is that the measured object transmits the temperature to the thermistor, the characteristics of the thermistor change, the electrical signal of the thermistor is judged to detect the temperature, and the heat loss and certain hysteresis are caused in the heat transmission process, so that the temperature measurement is not accurate enough.
Disclosure of Invention
The invention aims to overcome at least one defect in the prior art, and provides the induction temperature measuring device which can generate magnetic signals and is convenient to realize accurate temperature control.
The technical scheme of the invention is as follows:
the utility model provides an induction temperature measuring device, induction temperature measuring device includes electromagnetic means that can produce electromagnetic signal and is connected and can detect the control unit of electric parameter in the electromagnetic means with electromagnetic means, electromagnetic means includes magnetic core and solenoid, the magnetic core includes the magnetic core center pillar, solenoid locates the magnetic core center pillar periphery, electromagnetic means can produce electromagnetic signal after the circular telegram, induction temperature measuring device still includes the temperature sensing layer that can respond to electromagnetic signal that electromagnetic means produced. The electrical parameter is preferably a pulse signal, a voltage, a current or a resistance parameter, wherein the pulse signal is a pulse number, a pulse width or a pulse amplitude;
The periphery of the electromagnetic coil is provided with a magnetic tile, and the magnetic tile is directly or indirectly connected with the magnetic core center post. The magnetic tile can be arranged to integrally surround the electromagnetic coil, and can be divided into a plurality of parts, and the porcelain tile is arranged to facilitate the concentration of magnetic signals and increase the strength of the electromagnetic signals.
The electromagnetic device is further provided with a support, the support is sleeved on the middle column of the magnetic core, and the electromagnetic coil is wound on the support. The electromagnetic coil can be directly arranged on the magnetic core center pillar or arranged on the bracket, and then sleeved on the magnetic core center pillar through the bracket, so that the winding processing of the electromagnetic coil is more convenient.
The support is equipped with first spacer, second spacer and support center pillar, first spacer and second spacer pass through the support center pillar and connect, and the support center pillar is hollow structure, solenoid is located between first spacer, the second spacer.
The lower end of the magnetic core center pillar is provided with a bottom magnetic disk, and the magnetic tile is connected with the magnetic core center pillar through the bottom magnetic disk. The bottom magnetic disk is connected with the magnetic core center pillar, and can be integrated with the magnetic core center pillar, and the bottom magnetic disk is convenient for electromagnetic signal conduction.
The number of the porcelain tiles is three, the porcelain tiles encircle the periphery of the electromagnetic coil, and gaps are arranged between the porcelain tiles. The gaps are arranged between the magnetic tiles, so that eddy currents generated in the magnetic tiles can be reduced or eliminated, and the influence on electromagnetic models is reduced.
The magnetic tile height value is less than the magnetic core center pillar height value. Preferably, the top of the magnetic tile is 1mm-15mm lower than the top of the magnetic core center pillar, and the thickness of the bottom magnetic disk is 2mm-10mm. If the magnetic tile is connected with the magnetic core center pillar, electromagnetic signals are inconvenient and diffuse outwards, and if the porcelain tile is not arranged, the electromagnetic signals are too dispersed, so that ideal electromagnetic signal intensity can be obtained by controlling the position relationship between the porcelain tile and the magnetic core center pillar.
The core center pillar is provided with a center hole, and preferably, the diameter value of the center hole is not more than 5mm. The central hole is arranged on the middle column of the magnetic core, so that on one hand, the use of materials can be reduced, and more importantly, the electromagnetic device can be conveniently cooled.
The electromagnetic coil is composed of at least one layer of enameled wire coil.
The magnetic core center pillar comprises a first section and a second section, concave-convex structures capable of being matched with each other are respectively arranged on the first section and the second section, and overlapping parts exist on the concave-convex structures in the longitudinal direction of the magnetic core center pillar.
The magnetic core center pillar top is equipped with the magnetic core apron, and the diameter of magnetic core apron is less than bottom magnetic disk.
The temperature sensing layer is made of permalloy or a precise alloy material. Preferably, the magnetic permeability of the temperature sensing layer is 2000-200000H/m, and the resistivity is 30-130 mu omega cm.
Preferably, the curie point temperature of the permalloy or precision alloy material is between 30 degrees celsius and 500 degrees celsius.
Further, the precision alloy material is a material with a Curie point temperature between 180 ℃ and 230 ℃. Such as precision alloy 4J36 (manufactured by Shanghai Kai Metallurgical products Co., ltd.) or precision alloy 4J32 (manufactured by Shanghai Kai Metallurgical products Co., ltd.). The precision alloy 4J36 is a special low-expansion iron-nickel alloy with an ultralow expansion coefficient, the Curie point of the special low-expansion iron-nickel alloy is 230 ℃, and the precision alloy 4J32 is also called Super-Invar (Super-Invar) alloy, and the Curie point temperature of the special low-expansion iron-nickel alloy is 220 ℃.
The research shows that the precise alloy materials suitable for the patent are preferably the following alloy materials with standard numbers of GB/T15018-94, YB/T5239-2005, YB/T5262-93 and YB/T5254-2011, wherein the standard numbers of GB/T15018-94 refer to the national standard precise alloy brand of the people's republic of China, and the standard numbers of YB/T5254-2011 refer to the ferrous metallurgy industry standard of the people's republic of China.
| Alloy type | Alloy brand | Curie point |
| Iron-manganese alloy | 4J59 | 70 |
| Constant elastic alloy | 3J53 | 110 |
| Constant elastic alloy | 3J53Y | 110 |
| Elastic alloy | Ni44MoTiAl | 120 |
| Constant elastic 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 |
| Precision alloy | 4J36 | 230 |
| Precision alloy | 4J32 | 220 |
The chemical composition of the elastic alloy 3J53 in the table comprises:
the content of C element is not more than 0.05%;
the content of S element is not more than 0.020%;
The content of the P element is not more than 0.020%;
The content of Mn element is not more than 0.80%;
the content of Si element is not more than 0.80%;
The content of Ni element is 41.5% -43.0%;
the content of Cr element is 5.2% -5.8%;
the content of Ti element is 2.3% -2.7%;
the content of Al element is 0.5% -0.8%;
The balance being Fe element.
The chemical composition of the elastic alloy 3J58 comprises:
the content of C element is not more than 0.05%;
the content of S element is not more than 0.020%;
The content of the P element is not more than 0.020%;
The content of Mn element is not more than 0.80%;
the content of Si element is not more than 0.80%;
The content of Ni element is 43.0% -43.6%;
the content of Cr element is 5.2% -5.6%;
the content of Ti element is 2.3% -2.7%;
the content of Al element is 0.5% -0.8%;
The balance being Fe element.
The chemical components of the precision alloy 4J32 include:
the content of C element is not more than 0.05%;
the content of S element is not more than 0.020%;
The content of the P element is not more than 0.020%;
the content of Mn element is 0.20% -0.60%;
the content of Si element is not more than 0.20%;
the content of Ni element is 31.5% -33.0%;
the content of Co element is 3.2% -4.2%;
the content of Cu element is 0.4% -0.8%;
The balance being Fe element.
The chemical components of the precision alloy 4J36 include:
the content of C element is not more than 0.05%;
the content of S element is not more than 0.020%;
The content of the P element is not more than 0.020%;
the content of Mn element is 0.20% -0.60%;
The content of Si element is not more than 0.30%;
the content of Ni element is 35.0% -37.0%;
The balance being Fe element.
The above alloy materials are available through other public sales channels.
The temperature sensing layer and the electromagnetic device are matched with each other to control the temperature, the temperature sensing layer can be fixedly connected with the induction temperature measuring device to form a part of the induction temperature measuring device, and the temperature sensing layer can be independently processed and detachably assembled on the induction temperature measuring device to form a relatively independent component. Even the temperature sensing layer can be attached to the cooking utensil which can be matched with the induction temperature measuring device for use, but no matter what combination mode, the temperature sensing layer can sense the electromagnetic signal generated by the electromagnetic device, so that the basic condition for controlling the temperature is provided.
The invention also provides a cooking device which is provided with the induction temperature measuring device, and the cooking device is a gas stove, an electromagnetic oven, an electric cooker or a pressure cooker.
The invention also provides an induction temperature measurement method, which comprises the following steps:
1) A temperature sensing layer is arranged on the surface of the measured object, and the temperature sensing layer is made of permalloy or a precise alloy material;
2) An electromagnetic device is arranged below or above the temperature sensing layer, the electromagnetic device comprises a magnetic core and an electromagnetic coil, the magnetic core comprises a magnetic core center pillar, the electromagnetic coil is arranged on the periphery of the magnetic core center pillar, and the electromagnetic device can generate electromagnetic signals after being electrified;
3) Providing a control unit and connecting with the electromagnetic device, wherein the control unit comprises a detection and analysis module;
4) Setting a corresponding relation between a temperature value of the cooking device and an electric parameter value of the electromagnetic device in the control module;
5) And detecting and acquiring a detection value of the electrical parameter in the electromagnetic device, and then according to the detection value of the electrical parameter or a temperature value corresponding to the detection value. Such as pulse signals, voltages, currents or resistance parameters, wherein the pulse signals are pulse numbers, pulse widths or pulse amplitudes, etc., because these electrical parameters can form a specific correspondence with the temperature value of the temperature sensing layer.
The invention also provides an electromagnetic device, which comprises a magnetic core and an electromagnetic coil, wherein the magnetic core comprises a magnetic core center pillar, the electromagnetic coil is arranged on the periphery of the magnetic core center pillar, and the periphery of the electromagnetic coil is provided with a magnetic tile which is directly or indirectly connected with the magnetic core center pillar.
The electromagnetic device is further provided with a support, the support is sleeved on the middle column of the magnetic core, and the electromagnetic coil is wound on the support.
The support is equipped with first spacer, second spacer and support center pillar, first spacer and second spacer pass through the support center pillar and connect, and the support center pillar is hollow structure, solenoid is located between first spacer, the second spacer.
The lower end of the magnetic core center column is provided with a bottom magnetic disk, and the magnetic tile is connected with the magnetic core center column through the bottom magnetic disk
The number of the porcelain tiles is three, the porcelain tiles encircle the periphery of the electromagnetic coil, and gaps are arranged between the porcelain tiles.
The magnetic tile height value is less than the magnetic core center pillar height value.
The magnetic tile is perpendicular to the bottom magnetic disk, the top of the magnetic tile is 1mm-15mm higher than the top of the magnetic core center pillar, and the thickness of the bottom magnetic disk is 2mm-10mm.
The magnetic core center pillar is provided with a center hole, and the diameter value of the center hole is not more than 5mm.
The magnetic core center pillar comprises a first section and a second section, concave-convex structures capable of being matched with each other are respectively arranged on the first section and the second section, and overlapping parts exist on the concave-convex structures in the longitudinal direction of the magnetic core center pillar.
The electromagnetic device can be used for induction temperature measuring devices, electromagnetic ovens, electric rice cookers and other devices.
The invention changes the traditional temperature measuring method, and detects the temperature of the temperature sensing layer through the action of electromagnetic signals, the detection method does not need to transfer heat between the tested object and the electromagnetic device, can directly test the temperature of the tested object, has no heat loss, has no heat transfer process, and has more timely and accurate temperature measurement.
Drawings
FIG. 1 is a schematic illustration of a stent structure in one embodiment of the present invention.
Fig. 2 is a schematic diagram of the use of a magnetic core in one embodiment of the invention.
Figure 3 is a schematic cross-sectional view of the present invention after attachment of the bracket to the core in one embodiment.
Fig. 4 is a schematic view of the overall structure of the present invention after the bracket and the magnetic core are connected in one embodiment.
Fig. 5 and 6 are schematic structural views of embodiment 2 of the present invention.
Fig. 7 is a schematic structural view of embodiment 3 of the present invention.
Fig. 8 and 9 are graphs showing the relationship between the pulse number and the temperature.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention, and certain components of the drawings may be omitted, enlarged or reduced in order to better explain the present embodiments, and do not represent the actual product dimensions, and it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship described in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.
Example 1
As shown in fig. 1 and 2, the present invention provides an electromagnetic device comprising a bracket 1 and a magnetic core 2, wherein the bracket 1 is provided with a first spacer 12 and a second spacer 13, and the first spacer 12 and the second spacer 13 are connected by a center pillar 14. A mounting groove is formed between the first spacer 12 and the second spacer 13, and an electromagnetic coil is provided in the mounting groove.
The support 1 is provided with a mounting hole 11, the magnetic core 2 is provided with a magnetic core center pillar 21, and the magnetic core center pillar 21 can be embedded with the mounting hole 11 to realize connection of the support 1 and the magnetic core 2. The magnetic core 2 is provided with a magnetic disk arrangement connected with the magnetic core center pillar 21, in this embodiment, the bottom magnetic disk 23 is connected with a magnetic tile 24, meanwhile, the magnetic tile 24 is perpendicular to the bottom magnetic disk 23, the magnetic tile 24 can also form a certain angle with the bottom magnetic disk 23, such as 85-95 degrees, the magnetic core 2 is preferably made of manganese zinc ferrite, the magnetic pillar center pillar and the bottom magnetic disk can be integrally formed, and can also be formed in a split manner and connected together through glue or the like.
As shown in fig. 2, the bottom magnetic disk 23 may be made as a whole or may be composed of a plurality of magnetic disk units, where the magnetic disk units are radially arranged along the central column 21 of the magnetic core, and the number of the magnetic disk units is limited to 2-6. The bottom disk 23 is provided with a gap, which may be preferably 1 to 5 in number, in order to reduce or eliminate the generation of eddy currents on the bottom disk, and when the bottom disk 23 is composed of several disk units, a certain space may be reserved for the several disk units when they are arranged so as to form the gap.
Meanwhile, a positioning piece is arranged on the support 1, and when the support 1 is connected with the magnetic core 2, the positioning piece is embedded with a gap, so that stable connection of the support 1 and the magnetic core 2 is realized.
In this embodiment, the bottom magnetic disk is disc-shaped, and the thickness of the bottom magnetic disk 23 is 2mm-10mm. And the central column 21 of the magnetic core is provided with a central hole 22, and the diameter value of the central hole 22 is not more than 5mm.
Preferably, the height value of the magnetic tile 24 is smaller than that of the magnetic core center pillar 21, preferably, the top end of the magnetic tile is 1mm-15mm lower than that of the magnetic core center pillar, the porcelain tile 24 is connected with the magnetic core center pillar 21 through the bottom magnetic disk 23, the top end of the porcelain tile 24 is not conducted with the magnetic core center pillar 21, and in the working state, the structure is favorable for gathering and guiding magnetic induction wires to the greatest extent and improving the induction strength of the electromagnetic device.
As shown in fig. 3 and 4, in the present embodiment, the bracket 1 is provided with a terminal 3, one end of the terminal 3 is connected with the electromagnetic coil, the other end is connected with the control unit 3, the electromagnetic coil is connected with the control unit 3 through the action of the terminal 3, the bracket 1 is generally made of a non-conductive material, and the terminal 3 is made of a conductive material.
In this embodiment, an electromagnetic coil composed of at least one layer of enameled wire coil is provided between the first spacer 12 and the second spacer 13, the enameled wire coil is made by winding single or multi-strand enameled wire, and the enameled wire coil is provided with 1 to 30 layers. In this embodiment, the diameter of the enamel wire is between 0.03mm and 0.2mm, and preferably, the diameter of the enamel wire is between 0.1mm and 0.15 mm. The wire material of the enameled wire is copper or aluminum, and the wire coating material of the enameled wire is a enamelled film with equal self-adhesion property, such as polyvinyl butyral, epoxy resin and the like. The electromagnetic coil in this patent refers to a carrier capable of generating electromagnetic signals under the action of current signals, and its specific form may be made of the wire in this embodiment, or may be other forms, such as being formed by etching a central column of a magnetic core, or by replacing the wire with copper foil or a printed circuit, etc.
Example 2
As shown in fig. 5 and 6, in this embodiment, on the basis of embodiment 1, a magnetic core cover plate 25 is added, where the magnetic core cover plate 25 is disposed at the top of the magnetic core center pillar, and preferably, the diameter of the magnetic core cover plate 25 is smaller than that of the bottom magnetic disk, and the magnetic core cover plate 25 and the magnetic core center pillar may be integrally formed or detachably connected.
Preferably, the magnetic core center pillar is formed by embedding a first section 26 and a second section 27, concave-convex structures capable of being matched with each other are respectively arranged on the first section 26 and the second section 27, the magnetic core center pillar is in the longitudinal direction, an overlapping portion 28 exists in the concave-convex structures, and the height of the overlapping portion 28 is 0.03-3 mm. The concave-convex structure increases the contact area between the magnetic core parts, can reduce magnetic leakage, and has better effect when the contact area is larger, so that the concave-convex structure can be made into a regular cylinder shape or a curved concave-convex structure.
Example 3
As shown in fig. 7, the present patent further provides a cooking device, such as a gas stove, including a gas stove 5 and a cooking appliance 4 disposed above the gas stove 5, where the cooking appliance is preferably a pot 4, the gas stove 5 includes a burner 51, a stove frame 52, a panel 53, an air inlet pipe 55 and a control valve 54, a mounting hole is disposed on the panel 57, the burner 51 is disposed in the mounting hole, the stove frame 52 is disposed on the panel 53, and the stove frame 52 and the burner 51 are arranged in concentric circles, i.e. the stove frame 52 is disposed on the periphery of the burner 51 for supporting a heated object. The air inlet pipe 55 is communicated with the burner 51 and is used for providing a pipeline for gas supply, and the air inlet pipe 55 is provided with a control valve 54, and the control valve 54 can be a solenoid valve or other valves with the function of adjusting the size of the gas flow. The induction temperature measuring device further comprises an electromagnetic device 57 and a control unit 56 which are arranged below the pot 4, wherein the electromagnetic device 57 and the control valve 54 are electrically connected with the control unit 26, and are connected with a power supply, the electromagnetic device 57 is preferably fixed above or below the stove head 51, the electromagnetic device 57 is structurally characterized in that as in embodiment 1, the electromagnetic device is connected with the control unit 56, and the control unit 56 is preferably fixed below the panel 53.
As another preferred embodiment, the pan 4 is provided with a temperature sensing layer 41 capable of sensing electromagnetic signals generated by the electromagnetic device 57. The temperature sensing layer 41 may be made into a whole pot or be a part of the pot, and may be combined with the pot body by riveting, welding, melting, printing, etc. When the temperature sensing layer 11 is disposed at the bottom of the pan 1, it may be formed into the bottom of the pan 4 alone, or may be combined with the bottom of the pan 4 to form a part of the bottom of the pan 4, and in terms of its combined position, the temperature sensing layer 41 may be disposed on the upper surface of the bottom of the pan 4, or may be disposed on the lower surface of the bottom of the pan 4. The bottom of the pan, namely the bottom of the pan, can be designed in a single layer or in a composite mode, for example, the bottom of the pan is formed by compositing one or more of an aluminum plate, a steel plate, a copper plate or an iron plate. When the bottom of the pan 4 is of a composite design, the temperature sensing layer 41 may also be disposed between the upper surface and the lower surface of the pan bottom. Of course, for three-dimensional heating, the temperature sensing layer may be disposed at the pan body portion.
Alternatively, the temperature sensing layer 41 may be provided separately from the pan 41, for example, the temperature sensing layer 41 may be provided as a separate component on a stove rack, and then a vessel such as a pan may be placed on the temperature sensing layer.
The temperature sensing layer 41 has high magnetic permeability, the temperature sensing layer 41 is made of ferromagnetic or ferrimagnetic material, such as permalloy and precise alloy, the magnetic permeability of the temperature sensing layer 41 can be suddenly reduced to zero or close to zero when the curie point is reached, the permalloy is iron-nickel alloy, the magnetic permeability of the temperature sensing layer 41 is preferably 2000-200000H/m, and the resistivity is preferably 30-130 mu omega cm.
For the present embodiment, the precision alloy material is preferably precision alloy 4J36 (manufactured by Shanghai Kai Metallurgical products Co., ltd.) or precision alloy 4J32 (manufactured by Shanghai Kai Metallurgical products Co., ltd.), and the temperature sensing layer 41 is preferably 0.1 to 3mm thick, in this embodiment 1.5 mm thick.
The temperature sensing layer 41 is in a sheet structure, is compounded at the bottom of the pan 4, can also be composed of powdery or granular precise alloy materials, and is attached to the bottom of the pan 4.
For the present patent, it is obvious that any temperature sensing layer material having the above resistivity or ferromagnetism changing with temperature change can be applied to the present patent, and the preferred precision alloy material of the permalloy or the precision alloy material used in the present embodiment has a curie point temperature between 30 degrees celsius and 500 degrees celsius, and further preferred precision alloy material having a curie point temperature between 70 degrees celsius and 400 degrees celsius, and the preferred alloy material used in the present embodiment is as follows in terms of the type of precision alloy material:
the permalloy is also called an iron-nickel alloy, wherein the content of iron is 35 to 70%, more preferably 63 to 67%, and the content of nickel is 30 to 65%, more preferably 37 to 58%. Iron-nickel alloys have high permeability and at the curie point they dip to near vacuum permeability.
The electromagnetic device 57, the temperature sensing layer 41 and the control unit form an induction temperature measuring device.
The control unit 56 includes a detection and analysis module and a control module, where the detection and analysis module is connected to the electromagnetic device, and the detection and analysis module is configured to detect a change of an electrical parameter in the electromagnetic device in real time, where the change of the electrical parameter is affected by a temperature change of the temperature sensing layer 41 and forms a corresponding relationship with the temperature of the temperature sensing layer 41, so as to further implement measurement of the temperature. The electrical parameter may be a pulse signal, a voltage, a current or a resistance parameter, wherein the pulse signal is preferably a pulse number, a pulse width or a pulse amplitude, etc.
On the basis of temperature measurement, the temperature control device can also realize temperature control, taking the pulse number as an example, the input end of the control module is connected with the detection analysis module, the output end of the control module is connected with the control valve, after the detection analysis module detects the pulse number in the electromagnetic device, whether the pulse number exceeds the minimum or maximum value of the initial setting is judged through comparison, when the pulse number exceeds the range, the control module adjusts the temperature adjusting device, namely the control valve, controls the gas quantity, finally adjusts the fire power of the cooking device, thereby achieving the effect of adjusting the temperature of the temperature sensing layer 41, and when the pulse number does not exceed the range, the current fire power is kept, thereby ensuring that the temperature of the temperature sensing layer is maintained in a certain range. In addition, the control module is also connected with a signal generating unit in the electromagnetic device.
Specifically, after the gas stove works, the pulse generating unit in the electromagnetic device generates signals and transmits the signals to the electromagnetic coil, the signals can be signals which can be identified by pulse number, pulse width, pulse amplitude, voltage, current or resistance parameters and the like, the signals are received by the electromagnetic coil of the electromagnetic device and converted into electromagnetic signals, meanwhile, the control valve is opened, the furnace end starts to burn and heat the temperature sensing layer after ventilation, the electromagnetic signals act on the temperature sensing layer and are attenuated by the temperature sensing layer, the electrical parameters of the electromagnetic device change along with the change of the temperature sensing layer, and a specific corresponding relation is formed, for example, the corresponding relation is formed between the pulse number, the pulse width, the pulse amplitude, the voltage, the current or the resistance parameters and the like, and the temperature of the temperature sensing layer. The signal receiving unit in the electromagnetic device receives the electric parameter, the detection analysis module of the control unit detects whether the electric parameter exceeds an initial set value, and transmits the analysis result to the control module of the control unit, and the control module adjusts the gas flow according to the analysis result and through the control valve to enable the temperature of the temperature sensing layer to be kept within a preset interval, namely, when the detected electric parameter is larger than or smaller than the set value, the control module enables the detection value of the electric parameter to be reduced or increased through controlling the size of the control valve until the detection value of the electric parameter is equal to or close to the set value. The approach here means that a difference value within a certain range is acceptable, for example, a current value within 0 to 0.5A, a voltage value within 50V, a resistance value within 5 Ω, and a pulse signal within 3 can be regarded as an approach.
The patent also provides an induction temperature measurement method, which comprises the following steps:
1) A temperature sensing layer is arranged on the surface of the measured object, and the temperature sensing layer is made of permalloy or a precise alloy material;
2) An electromagnetic device is arranged below or above the temperature sensing layer, the electromagnetic device comprises a magnetic core and an electromagnetic coil, the magnetic core comprises a magnetic core center pillar, the electromagnetic coil is arranged on the periphery of the magnetic core center pillar, and the electromagnetic device can generate electromagnetic signals after being electrified;
3) Providing a control unit and connecting with the electromagnetic device, wherein the control unit comprises a detection and analysis module;
4) The corresponding relation between the temperature value of the cooking device and the electric parameter value of the electromagnetic device is set in the control module, and the temperature of the temperature sensing layer and the electric parameter of the electromagnetic device can form a specific corresponding relation due to the unique physical characteristic of the temperature sensing layer.
5) And detecting and acquiring a detection value of the electrical parameter in the electromagnetic device, and then according to the detection value of the electrical parameter or a temperature value corresponding to the detection value. Such as pulse signals, voltages, currents or resistance parameters, wherein the pulse signals are pulse numbers, pulse widths or pulse amplitudes, etc., because these electrical parameters can form a specific correspondence with the temperature value of the temperature sensing layer.
The cooking device can be an electromagnetic oven, an electric cooker, a pressure cooker and the like besides the gas cooker.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (14)
1. The induction temperature measuring device is characterized by comprising an electromagnetic device capable of generating electromagnetic signals and a control unit which is connected with the electromagnetic device and can detect electric parameters in the electromagnetic device, wherein the electromagnetic device comprises a magnetic core and an electromagnetic coil, the magnetic core comprises a magnetic core center pillar, the electromagnetic coil is arranged on the periphery of the magnetic core center pillar, the electromagnetic device can generate electromagnetic signals after being electrified, the induction temperature measuring device also comprises a temperature sensing layer capable of inducing the electromagnetic signals generated by the electromagnetic device, the periphery of the electromagnetic coil is provided with a magnetic tile, the magnetic tile is directly or indirectly connected with the magnetic core center pillar, the height value of the magnetic tile is smaller than the height value of the magnetic core center pillar, the magnetic core center pillar consists of a first section and a second section, concave-convex structures which can be mutually matched are respectively arranged on the first section and the second section, and the concave-convex structures of the magnetic core center pillar have overlapping parts in the longitudinal direction;
the lower end of the magnetic core center column is provided with a bottom magnetic disk, the magnetic tile is connected with the magnetic core center column through the bottom magnetic disk, the top end of the magnetic tile is 1mm-15mm lower than the top end of the magnetic core center column, and the thickness of the bottom magnetic disk is 2mm-10mm;
The electromagnetic device is further provided with a support, the support is sleeved on the magnetic core center pillar, the electromagnetic coil is wound on the support, the support is provided with a first spacer, a second spacer and a support center pillar, the first spacer and the second spacer are connected through the support center pillar, the support center pillar is of a hollow structure, the electromagnetic coil is located between the first spacer and the second spacer, a gap is formed in a bottom magnetic disk, a positioning piece is arranged on the support, and when the support is connected with the magnetic core, the positioning piece is embedded with the gap.
2. The inductive temperature measurement device of claim 1, wherein the number of the magnetic tiles is three, the magnetic tiles are arranged around the periphery of the electromagnetic coil, and gaps are arranged between the magnetic tiles.
3. The inductive temperature measurement device of claim 1, wherein the core center post is provided with a center hole.
4. The inductive temperature measurement device of claim 1, wherein the electromagnetic coil is comprised of at least one layer of enameled wire coil.
5. The inductive temperature measurement device of claim 4, wherein a core cover plate is provided at a top end of the core center pillar, and a diameter of the core cover plate is smaller than that of the bottom magnetic disk.
6. The inductive temperature measuring device according to any one of claims 1 to 5, wherein the temperature sensing layer is made of permalloy.
7. The inductive temperature measuring device according to any one of claims 1 to 5, wherein the temperature sensing layer is made of a precision alloy material.
8. The inductive temperature measurement device of claim 7, wherein the precision alloy material is a precision alloy 4J36, a precision alloy 4J32, an iron-manganese alloy 4J59, a constant elastic alloy 3J53Y, a constant elastic alloy 3J58, an elastic alloy 3J54, an elastic alloy 3J58, an elastic alloy 3J59, an elastic alloy 3J53, an elastic alloy 3J61, an elastic alloy 3J62, an elastic alloy Ni44MoTiAl, a precision alloy 4J36, a precision alloy 4J32, or an amorphous soft magnetic alloy (FeNiCo) 78 (SiB) 22.
9. The inductive temperature measurement device of claim 7, wherein the control unit comprises a detection analysis module coupled to the electromagnetic device for detecting an electrical parameter in the electromagnetic device.
10. The sensing and temperature measuring device according to claim 9, wherein the sensing and temperature measuring device further comprises a temperature adjusting device, the control unit further comprises a control module, the input end of the control module is connected with the detection and analysis module, the output end of the control module is connected with the temperature adjusting device, and the control module adjusts the temperature of the temperature sensing device according to the detection result and through the temperature adjusting device.
11. A cooking device, characterized in that it is provided with an induction temperature measuring device according to any one of claims 1 to 10.
12. The cooking device of claim 11, wherein the cooking device is a gas range, an induction cooker, an electric rice cooker, or a pressure cooker.
13. An induction thermometry method based on the induction thermometry device of any one of claims 1-10, comprising the steps of:
1) A temperature sensing layer is arranged on the surface of the measured object, and the temperature sensing layer is made of a precise alloy material;
2) The electromagnetic device is arranged below or above the temperature sensing layer;
3) Providing a control unit and connecting with the electromagnetic device, wherein the control unit comprises a detection and analysis module;
4) Setting a corresponding relation between a temperature value of the cooking device and an electric parameter value of the electromagnetic device in the control module;
5) And detecting and acquiring a detection value of the electrical parameter in the electromagnetic device, and then according to the detection value of the electrical parameter or a temperature value corresponding to the detection value.
14. An induction thermometry method based on the induction thermometry device of any one of claims 1-10, comprising the steps of:
1) A temperature sensing layer is arranged on the surface of the measured object, and the temperature sensing layer is made of permalloy materials;
2) The electromagnetic device is arranged below or above the temperature sensing layer;
3) Providing a control unit and connecting with the electromagnetic device, wherein the control unit comprises a detection and analysis module;
4) Setting a corresponding relation between a temperature value of the cooking device and an electric parameter value of the electromagnetic device in the control module;
5) And detecting and acquiring a detection value of the electrical parameter in the electromagnetic device, and then according to the detection value of the electrical parameter or a temperature value corresponding to the detection value.
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| CN110572893B (en) * | 2018-08-29 | 2023-02-17 | 新兴县热点智能家居科技有限公司 | Electromagnetic heating device and temperature control method |
| 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 |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06197480A (en) * | 1992-12-25 | 1994-07-15 | Toyota Autom Loom Works Ltd | Electromagnetic power supply |
| CN103802649A (en) * | 2012-11-09 | 2014-05-21 | 福特全球技术公司 | Inductor assembly |
| CN104700984A (en) * | 2009-07-09 | 2015-06-10 | 乾坤科技股份有限公司 | Choke |
| CN107581919A (en) * | 2016-07-08 | 2018-01-16 | 肇庆市天宇进出口贸易有限公司 | A kind of cooker of controllable temperature and the method for controlling temperature |
| CN209014162U (en) * | 2018-02-09 | 2019-06-21 | 陈景超 | Calutron and induction measurement devices and cooker with the calutron |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992005568A1 (en) * | 1990-09-21 | 1992-04-02 | Coilcraft, Inc. | Inductive device and method of manufacture |
| CN201348912Y (en) * | 2008-09-11 | 2009-11-18 | 清流县鑫磁线圈制品有限公司 | Copper-saving coil induction part |
| EP2209352B1 (en) * | 2009-01-16 | 2018-10-03 | Whirlpool Corporation | Induction cooking heater and method for the control thereof |
| CN102235701A (en) * | 2010-03-31 | 2011-11-09 | 叶小舟 | Electromagnetic cooker and temperature measuring method for non-contact temperature measurement |
| JP6160071B2 (en) * | 2012-12-04 | 2017-07-12 | ミツミ電機株式会社 | Inductor |
| CN103969690B (en) * | 2014-05-27 | 2016-08-24 | 中国科学院电子学研究所 | A kind of magnetic field sensor |
| CN204155743U (en) * | 2014-08-13 | 2015-02-11 | 蔡婷婷 | A kind of novel current transformer |
| CN105489343A (en) * | 2016-01-20 | 2016-04-13 | 海宁市飞腾电子有限公司 | Electromagnetic coil |
| CN105931808B (en) * | 2016-05-26 | 2018-05-11 | 贵阳顺络迅达电子有限公司 | The core structure and its assembly method of a kind of buckle-type |
| CN205751746U (en) * | 2016-06-17 | 2016-11-30 | 杭州中赣电子科技有限公司 | Inducer and apply the LED of this inducer |
| CN107588442A (en) * | 2016-07-08 | 2018-01-16 | 肇庆市天宇进出口贸易有限公司 | A kind of gas cooking device and the method for controlling firepower size |
-
2018
- 2018-02-09 CN CN201810136424.9A patent/CN108414110B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06197480A (en) * | 1992-12-25 | 1994-07-15 | Toyota Autom Loom Works Ltd | Electromagnetic power supply |
| CN104700984A (en) * | 2009-07-09 | 2015-06-10 | 乾坤科技股份有限公司 | Choke |
| CN103802649A (en) * | 2012-11-09 | 2014-05-21 | 福特全球技术公司 | Inductor assembly |
| CN107581919A (en) * | 2016-07-08 | 2018-01-16 | 肇庆市天宇进出口贸易有限公司 | A kind of cooker of controllable temperature and the method for controlling temperature |
| CN209014162U (en) * | 2018-02-09 | 2019-06-21 | 陈景超 | Calutron and induction measurement devices and cooker with the calutron |
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| Publication number | Publication date |
|---|---|
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