CN209042462U - Infrared measurement of temperature electromagnetic stove - Google Patents
Infrared measurement of temperature electromagnetic stove Download PDFInfo
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- CN209042462U CN209042462U CN201821848894.XU CN201821848894U CN209042462U CN 209042462 U CN209042462 U CN 209042462U CN 201821848894 U CN201821848894 U CN 201821848894U CN 209042462 U CN209042462 U CN 209042462U
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- temperature
- infrared measurement
- infrared
- light penetrating
- electromagnetic stove
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Abstract
The utility model provides a kind of infrared measurement of temperature electromagnetic stove, is related to electromagnetic stove technical field, including light penetrating panel, is provided with infrared measurement of temperature component below light penetrating panel, infrared measurement of temperature component is connected with control system；Wherein, the spectral response wavelength band of infrared measurement of temperature component is Chong Die with the main transmission region range of light penetrating panel, the infrared signal issued suitable for perceiving the bottom of a pan.The utility model is by using light penetrating panel and matches suitable infrared measurement of temperature component, the spectral response range of infrared measurement of temperature component is Chong Die with the main transparency range of light penetrating panel, application limitation of the contact temperature-measuring scheme on electromagnetic stove can be alleviated, promote the precision of thermometric, temperature control.
Description
Technical field
The utility model relates to electromagnetic stove technical fields, more particularly, to infrared measurement of temperature electromagnetic stove.
Background technique
Existing electromagnetic stove, mainly uses thermistor temperature detecting, and thermistor is arranged in light penetrating panel lower surface, due to right and wrong
Direct contact type thermometric, has the following problems: due to the barrier of light penetrating panel, what thermistor was tested is not that the bottom of a pan is real-time
When temperature, especially dry combustion method, the temperature and actual temperature tested have larger gap；Due to the out-of-flatness on cookware surface, temperature-sensitive
The corresponding position of probe, cookware and light penetrating panel may contact it is bad, it is very big so as to cause deviation.
In order to evade the limitation of thermistor temperature detecting, some patents disclose infrared temperature-test technology, such as:
CN200420045814, CN201120341922 etc..But these patents only explain the feasible of infrared measurement of temperature from principle
Property.Due to the optical characteristics of devitrified glass, common infrared temperature probe is not able to satisfy actual requirement.These patents are not all draped over one's shoulders
The problem of revealing this respect.
In general, using thermopile sensor as infrared temperature probe, but the infrared wave that thermoelectric pile can detect is a length of
2.5um or more, and the main transparent area of light penetrating panel is at 2.5um or less (3~4um infrared ray also can partial penetration).Therefore, still
It is unable to satisfy electromagnetic stove thermometric demand.
Utility model content
In view of this, the purpose of this utility model is to provide infrared measurement of temperature electromagnetic stove, to alleviate contact temperature-measuring scheme
The application limitation of (such as thermistor temperature detecting, thermocouple temperature measurement) on electromagnetic stove；According to devitrified glass characteristic, matching is suitable
Infrared probe promotes the precision of thermometric, temperature control.
In a first aspect, the utility model embodiment provides a kind of infrared measurement of temperature electromagnetic stove, wherein including light penetrating panel,
It is provided with infrared measurement of temperature component below the light penetrating panel, the infrared measurement of temperature component is connected with control system；
Wherein, the main transmission region model of the spectral response wavelength band of the infrared measurement of temperature component and the light penetrating panel
Overlapping is enclosed, the infrared signal issued suitable for perceiving the bottom of a pan.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the infrared measurement of temperature component includes for detecting cookware bottom and passing through the indium gallium arsenic of the infrared signal of the light penetrating panel
Sensor, the spectral response range of the indium gallium arsenic sensor are 0.8um~2.6um；The main transmission region of the light penetrating panel
Range is less than or equal to 2.7um.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Two kinds of possible embodiments, wherein the infrared measurement of temperature component includes the signal processing being connected with the indium gallium arsenic sensor
Circuit；
The infrared signal that the indium gallium arsenic sensor will test is converted to temperature monitoring electric signal, by the signal
The temperature monitoring electric signal is amplified noise reduction process by processing circuit, and output temperature feeds back electric signal.
The possible embodiment of second with reference to first aspect, the utility model embodiment provide the of first aspect
Three kinds of possible embodiments, wherein the control system receives the temperature feedback electricity that the signal processing circuit is sent
Signal, and the output power of coil panel and the air quantity of blower are controlled according to the temperature feedback electric signal.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Four kinds of possible embodiments, wherein the control system includes the master control borad being set to below the coil panel and is set to
Control panel on the light penetrating panel.
The possible embodiment of second with reference to first aspect, the utility model embodiment provide the of first aspect
Five kinds of possible embodiments, wherein the infrared measurement of temperature component further includes passing for detecting the thermoelectric pile of the infrared signal
Sensor；
The spectral response wavelength band of the indium gallium arsenic sensor and the thermopile sensor covers the light penetrating panel
Transmission region range.
The 5th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Six kinds of possible embodiments, wherein the spectral response range of the thermopile sensor is more than or equal to 2.5um.
With reference to first aspect second or the 5th kind of possible embodiment, the utility model embodiment provide first
7th kind of possible embodiment of aspect, wherein the infrared measurement of temperature component is fixed on the gap of each heating region of coil panel
It is interior.
The 4th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Eight kinds of possible embodiments, wherein including pedestal, the blower, the master control borad and the line are fixed on the pedestal
Enclose disk.
With reference to first aspect, the utility model embodiment provides the 9th kind of possible embodiment of first aspect,
In, thermometric perspective area is provided at the position that matches on the light penetrating panel with cookware.
The utility model embodiment bring it is following the utility model has the advantages that
A kind of infrared measurement of temperature electromagnetic stove provided by the utility model, including light penetrating panel, light penetrating panel lower section are provided with red
Outer temperature measurement component, infrared measurement of temperature component are connected with control system；Wherein, the spectral response wavelength band of infrared measurement of temperature component and thoroughly
The main transmission region range of optic panel is overlapped, the infrared signal issued suitable for perceiving the bottom of a pan.The utility model is by using saturating
Optic panel simultaneously matches suitable infrared measurement of temperature component, the spectral response range of infrared measurement of temperature component and the main light transmission of light penetrating panel
Range overlapping, can alleviate application limitation of the contact temperature-measuring scheme on electromagnetic stove, promote the precision of thermometric, temperature control.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of light penetrating panel provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of control panel provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of coil panel provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of master control borad provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of blower provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of pedestal provided by the embodiment of the utility model.
Icon:
1- light penetrating panel；2- thermometric has an X-rayed area；3- control panel；4- coil panel；5- infrared measurement of temperature component；6- master control borad；
7- blower；8- pedestal.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
Existing electromagnetic stove, mainly uses thermistor temperature detecting, and thermistor is arranged in light penetrating panel lower surface, due to right and wrong
Direct contact type thermometric, therefore have the following problems: due to the barrier of light penetrating panel, what thermistor was tested is not the bottom of a pan
When real time temperature, especially dry combustion method, the temperature and actual temperature tested have larger gap；Due to the out-of-flatness on cookware surface,
Position corresponding to thermosensitive probe, cookware and light penetrating panel may contact it is bad, it is very big so as to cause deviation.In order to evade temperature-sensitive
The limitation of resistance temperature measurement, existing some patents only explain the feasibility of infrared measurement of temperature from principle.Due to crystallite glass
The optical characteristics of glass, common infrared temperature probe are not able to satisfy actual requirement.These patents are all without disclosing asking for this respect
Topic.In general, use thermopile sensor as infrared temperature probe, but a length of 2.5um of infrared wave that can detect of thermoelectric pile with
On, and the main transparent area of light penetrating panel is at 2.5um or less (3~4um infrared ray also can partial penetration).Therefore, still can not expire
Sufficient electromagnetic stove thermometric demand.
Based on this, a kind of infrared measurement of temperature electromagnetic stove provided by the embodiment of the utility model can alleviate contact temperature-measuring side
Application limitation of the case (such as thermistor temperature detecting, thermocouple temperature measurement) on electromagnetic stove；According to devitrified glass characteristic, matching is suitable
Infrared measurement of temperature component, promoted thermometric, temperature control precision.
For convenient for understanding the present embodiment, first to a kind of electricity of infrared measurement of temperature disclosed in the utility model embodiment
Magnetic stove describes in detail.
Embodiment:
The utility model embodiment is described infrared measurement of temperature electromagnetic stove by Fig. 1 to Fig. 6.Infrared measurement of temperature electromagnetic stove packet
Include light penetrating panel 1, infrared measurement of temperature component 5, coil panel 4, blower 7, pedestal 8 and control system；Wherein, control system includes setting
In the control panel 3 on light penetrating panel 1 and the master control borad 6 being set to below coil panel 4.
Blower 7, master control borad 6 and coil panel 4 are successively fixed on pedestal 8 from bottom to top, is fixed with infrared survey on coil panel 4
Warm component 5, infrared measurement of temperature component 5 are set to the lower section of light penetrating panel 1；Meanwhile infrared measurement of temperature component 5 respectively with master control borad 6, behaviour
Control panel 3 is connected, and master control borad 6, control panel 3 are also connected with coil panel 4 and blower 7.
Referring to Fig.1, light penetrating panel 1 uses devitrified glass material, is the transparent panel of integral type.Alternatively, in another kind
In implementation, thermometric perspective area 2 may be provided at the position that matches on light penetrating panel 1 with cookware.
The transmission region range of light penetrating panel 1 is less than 4.5um, i.e., is substantially can not greater than the infrared ray of 4.5um wavelength
It penetrates.Wherein, the main transmission region range of light penetrating panel 1 is less than or equal to 2.7um, and 2.7um or less wavelength infrared ray is saturating
Light rate is close to 90%.
The spectral response wavelength band of infrared measurement of temperature component 5 is Chong Die with the main transmission region range of light penetrating panel 1, is suitable for
Perceive the infrared signal that the bottom of a pan issues.
Infrared measurement of temperature component 5 includes the indium gallium arsenic sensor being connected and signal processing circuit；The detection of indium gallium arsenic sensor
Cookware bottom emission and the most infrared signal for passing through light penetrating panel 1, are converted to temperature monitoring electric signal for infrared signal；
Infrared temperature probe output temperature monitoring electric signal it is very weak, need via signal processing circuit by temperature monitoring electric signal into
Row amplification, noise reduction process, then temperature feedback electric signal is transmitted to master control borad 6, control panel 3.
Specifically, the spectral response range of indium gallium arsenic sensor are as follows: 0.8um~2.6um, that is, indium gallium arsenic sensor can be with
Detect the infrared signal in 0.8um~2.6um wavelength band, the main light transmission of this infrared detection range and light penetrating panel 1
Wave band (≤2.7um) overlapping.As it can be seen that the most infrared signal of the bottom of a pan sending can be perceived using indium gallium arsenic sensor.
The quantity of indium gallium arsenic sensor is at least one.
Indium gallium arsenic sensor is not only able to realize more accurate thermometric, and has frequency response range stable, consistent
The good feature of property.
In addition, on the basis of indium gallium arsenic sensor, heat can also further be arranged in other possible implementations
Pile sensor.The infrared letter of cookware bottom emission and the rest part by light penetrating panel 1 is detected using thermopile sensor
Number；According to thermoelectric pile spectral response characteristic, infrared detection range is the infrared signal of wave band 2.5um or more.By using two
Kind infrared temperature probe makes the IR wavelength within the scope of indium gallium arsenic sensor sensing 0.8um~2.6um, in conjunction with thermoelectricity
Heap sensor senses the IR wavelength of 2.5um or more, senses infra-red range up to 10um, covers the saturating of light penetrating panel 1
More accurate thermometric may be implemented in light wave segment limit.
In order to reach better thermometric effect, the quantity of indium gallium arsenic sensor and thermopile sensor can be disposed as
At least one.
Referring to Fig. 3, infrared measurement of temperature component 5 can be fixed on coil panel 4 in the gap of each heating region.
Further, after the infrared signal that infrared temperature probe detects is handled via signal processing circuit amplifying and noise reducing,
By temperature feedback electric signal transmission to master control borad 6 and/or control panel 3, master control borad 6 and/or control panel 3 are according to temperature feedback
Electric signal to the output power of coil panel and/or the air quantity of blower carry out control it is further handled, may include:
Temperature feedback electric signal can be temperature value or energy value.It is said by taking temperature value as an example in the present embodiment
It is bright.
Referring to Fig. 2, it is provided with display screen on control panel 3, for showing the temperature value received；On control panel 3 also
It is arranged there are many function button by user's operation and controllable coil panel, blower etc., function button includes virgin lock, reservation/fixed
When, Baoshang, boiling, chafing dish, quick-fried, power supply etc..User is according to the real-time temperature values of display to the function button in control panel 3
Click and initiate operational order, so that the air quantity of the output power of 3 control coil disk 4 of control panel or control blower 7 is big
It is small.
Master control borad 6 receives temperature feedback electric signal, and the threshold value of temperature feedback electric signal and internal preset is compared
Compared with, for example in the case where being in quick-fried mode, preset temperature threshold is 200 DEG C -240 DEG C, if the temperature that real-time reception arrives
Angle value is less than 200 DEG C, then control coil disk 4 increases output power promotion temperature；If the temperature value that real-time reception arrives is greater than 240
DEG C, then it controls blower 7 and exports high-grade air quantity reduction temperature.
When temperature feedback electric signal is energy value, the output of master control borad 6, control panel 3 according to energy value to coil panel 4
The mode equality of temperature angle value that the air quantity of power and blower 7 is controlled.
The utility model embodiment bring it is following the utility model has the advantages that
A kind of infrared measurement of temperature electromagnetic stove provided by the utility model, including light penetrating panel, light penetrating panel lower section are provided with red
Outer temperature measurement component, infrared measurement of temperature component are connected with control system；Wherein, the spectral response wavelength band of infrared measurement of temperature component and thoroughly
The main transmission region range of optic panel is overlapped, the infrared signal issued suitable for perceiving the bottom of a pan.The utility model is by using saturating
Optic panel simultaneously matches suitable infrared measurement of temperature component, the spectral response range of infrared measurement of temperature component and the main light transmission of light penetrating panel
Range overlapping, can alleviate application limitation of the contact temperature-measuring scheme on electromagnetic stove, promote the precision of thermometric, temperature control.
Unless specifically stated otherwise, the opposite step of the component and step that otherwise illustrate in these embodiments, digital table
The scope of the utility model is not intended to limit up to formula and numerical value.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, this is practical
Substantially the part of the part that contributes to existing technology or the technical solution can be in other words for novel technical solution
The form of software product embodies, which is stored in a storage medium, including some instructions to
So that computer equipment (can be personal computer, server or the network equipment an etc.) execution the utility model is each
The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk
Etc. the various media that can store program code.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of infrared measurement of temperature electromagnetic stove, which is characterized in that including light penetrating panel, be provided with infrared survey below the light penetrating panel
Warm component, the infrared measurement of temperature component are connected with control system；
Wherein, the main transmission region range weight of the spectral response wavelength band of the infrared measurement of temperature component and the light penetrating panel
Infrared signal that is folded, being issued suitable for perceiving the bottom of a pan.
2. infrared measurement of temperature electromagnetic stove according to claim 1, which is characterized in that the infrared measurement of temperature component includes for examining
The indium gallium arsenic sensor of cookware bottom and the infrared signal through the light penetrating panel is surveyed, the spectrum of the indium gallium arsenic sensor is rung
Answering range is 0.8um~2.6um；The main transmission region range of the light penetrating panel is less than or equal to 2.7um.
3. infrared measurement of temperature electromagnetic stove according to claim 2, which is characterized in that the infrared measurement of temperature component include with it is described
The connected signal processing circuit of indium gallium arsenic sensor；
The infrared signal that the indium gallium arsenic sensor will test is converted to temperature monitoring electric signal, by the signal processing
The temperature monitoring electric signal is amplified noise reduction process by circuit, and output temperature feeds back electric signal.
4. infrared measurement of temperature electromagnetic stove according to claim 3, which is characterized in that the control system receives at the signal
Manage the temperature feedback electric signal that circuit is sent, and according to the temperature feedback electric signal to the output power of coil panel and/
Or the air quantity of blower is controlled.
5. infrared measurement of temperature electromagnetic stove according to claim 4, which is characterized in that the control system is described including being set to
Master control borad below coil panel and the control panel being set on the light penetrating panel.
6. infrared measurement of temperature electromagnetic stove according to claim 3, which is characterized in that the infrared measurement of temperature component further includes being used for
Detect the thermopile sensor of the infrared signal；
The spectral response wavelength band of the indium gallium arsenic sensor and the thermopile sensor covers the saturating of the light penetrating panel
Light wave segment limit.
7. infrared measurement of temperature electromagnetic stove according to claim 6, which is characterized in that the spectral response of the thermopile sensor
Range is more than or equal to 2.5um.
8. the infrared measurement of temperature electromagnetic stove according to claim 3 or 6, which is characterized in that the infrared measurement of temperature component is fixed on
In the gap of each heating region of coil panel.
9. infrared measurement of temperature electromagnetic stove according to claim 5, which is characterized in that including pedestal, be fixed on the pedestal
The blower, the master control borad and the coil panel.
10. infrared measurement of temperature electromagnetic stove according to claim 1, which is characterized in that on the light penetrating panel with cookware phase
Thermometric perspective area is provided at the position matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821848894.XU CN209042462U (en) | 2018-11-09 | 2018-11-09 | Infrared measurement of temperature electromagnetic stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821848894.XU CN209042462U (en) | 2018-11-09 | 2018-11-09 | Infrared measurement of temperature electromagnetic stove |
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| Publication Number | Publication Date |
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| CN209042462U true CN209042462U (en) | 2019-06-28 |
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ID=67041950
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| CN201821848894.XU Active CN209042462U (en) | 2018-11-09 | 2018-11-09 | Infrared measurement of temperature electromagnetic stove |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282330A (en) * | 2018-11-09 | 2019-01-29 | 杭州老板电器股份有限公司 | Infrared measurement of temperature electromagnetic stove |
| CN113825267A (en) * | 2020-06-19 | 2021-12-21 | 广东美的白色家电技术创新中心有限公司 | Electromagnetic heating device |
-
2018
- 2018-11-09 CN CN201821848894.XU patent/CN209042462U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282330A (en) * | 2018-11-09 | 2019-01-29 | 杭州老板电器股份有限公司 | Infrared measurement of temperature electromagnetic stove |
| CN113825267A (en) * | 2020-06-19 | 2021-12-21 | 广东美的白色家电技术创新中心有限公司 | Electromagnetic heating device |
| CN113825267B (en) * | 2020-06-19 | 2024-03-22 | 广东美的白色家电技术创新中心有限公司 | Electromagnetic heating device |
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