CN105351981B - A kind of heating means and heater - Google Patents
A kind of heating means and heater Download PDFInfo
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- CN105351981B CN105351981B CN201510834286.8A CN201510834286A CN105351981B CN 105351981 B CN105351981 B CN 105351981B CN 201510834286 A CN201510834286 A CN 201510834286A CN 105351981 B CN105351981 B CN 105351981B
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- heated
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Electric Ovens (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
The present invention relates to household appliance technical field, a kind of heating means and heater are disclosed, the heating means include：Power Control heating source is begun to warm up with initial power according to needed for the material to be heated；Detect the temperature of the different materials to be heated in the different parts or the multiple material to be heated of the material to be heated；And if the difference between each temperature exceedes preset range, the heating source is then controlled to be heated according to the heating frequency and firing phase corresponding to the position of the minimum material to be heated of the temperature of determination or material to be heated, so it is able to ensure that the temperature difference between each position or material to be heated is little, realizes uniform heating.
Description
Technical field
The present invention relates to household appliance technical field, in particular it relates to a kind of heating means and heater.
Background technology
With greatly developing for science and technology, current mode of heating is also more and more, for example microwave heating, optical wave heating etc..
But, heating uniformity is always to heat the characteristic extremely paid close attention in industry, especially in microwave heating industry, from there is microwave
Heating is always the problem for perplexing engineer till now, the problem of heating uniformity.
Common situation is, when you heat the same food (such as cake), it is necessary to by by various auxiliary members (for example
Stirring sheet, rotating disk) corresponding auxiliary movement is carried out, so that its realizes uniform heating only possiblely.But changed under same condition another
A kind of food (such as beef), due to the characteristic of food in itself, is the heating process before can not replicating to realize that identical adds
Thermal effect.
The content of the invention
It is an object of the invention to provide a kind of heating means and heater, the heating means can be for different to be added
Hot thing realizes uniform heating.
To achieve these goals, the present invention provides a kind of heating means, and the heating means include：According to material to be heated
Required Power Control heating source is begun to warm up with initial power；In the different parts or multiple materials to be heated that detect material to be heated
The temperature of different materials to be heated；And if difference between each temperature exceedes preset range, then control the heating source according to
Heating frequency and firing phase corresponding to the position of the minimum material to be heated of the temperature of determination or material to be heated are heated.
Preferably, the heating means also include：The region shared by the scanning covering material to be heated in predetermined period
The temperature of focus；And change the frequency and phase of heating source, until determining to make the material to be heated in the predetermined period
A position or the material to be heated in the multiple material to be heated the maximum heating source of temperature rise frequency and phase, by the frequency
The corresponding heating of the material to be heated that rate and phase are defined as in the position of the material to be heated or the multiple material to be heated
Frequency and firing phase.
Preferably, the heating means also include：Determine that frequency and phase when the heating source is begun to warm up to add
The incident power highest and reflection power of thermal source are minimum.
Preferably, the heating means also include：The heating source is controlled after the material to be heated reaches preset temperature
Stop heating.
Preferably, the heating source is produced by same microwave signal generation module.
Correspondingly, the present invention also provides a kind of heater, and the heater includes：At least two heating sources；Control
Device, is begun to warm up for the Power Control heating source according to needed for material to be heated with initial power；And temperature-detecting device, detection
The temperature of different materials to be heated in the different parts of material to be heated or multiple materials to be heated, wherein, the controller is additionally operable to
In the case that difference between each temperature detected exceedes preset range, control the heating source according to determination temperature most
Heating frequency and firing phase corresponding to the position of low material to be heated or material to be heated are heated.
Preferably, the temperature-detecting device is additionally operable in predetermined period region shared by the scanning covering material to be heated
Focus temperature；The controller is additionally operable to control the frequency and phase change of heating source, until determining in the predetermined week
Enable in phase the material to be heated a position or the material to be heated in the multiple material to be heated temperature rise it is maximum plus
The frequency and phase of thermal source, the frequency and phase are defined as in the position of the material to be heated or the multiple material to be heated
The corresponding heating frequency of the material to be heated and firing phase.
Preferably, the controller is additionally operable to：Determine that frequency and phase when the heating source is begun to warm up cause heating
The incident power highest and reflection power in source are minimum.
Preferably, the controller is additionally operable to：The heating source is controlled to stop after the material to be heated reaches preset temperature
Only heat.
Preferably, the temperature-detecting device is multipoint temperature sensor or thermal imaging apparatus.
Preferably, the heater also includes being used for feed-in mouthful of the heating source to heater feed in energy analysis, its
Isolation between middle feed-in mouthful is less than -15dB.
Preferably, the heating source is produced by same microwave signal generation module.
By above-mentioned technical proposal, it is determined that so that different to be added in the different parts of material to be heated or multiple materials to be heated
Hot thing can at a predetermined velocity in the range of speed heating heating source heating frequency and firing phase, between different parts
Or the temperature difference between different materials to be heated is when exceeding preset range, the heating source is controlled according to the minimum material to be heated of temperature
Position or material to be heated corresponding to heating frequency and firing phase heated, be so able to ensure that each position or to be heated
Temperature difference between thing less, realizes uniform heating.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural representation of the heater provided according to the present invention；
Fig. 2 is the heating schematic diagram of four parts of chemical reagent according to one embodiment of the present invention；
Fig. 3 is the heating frequency and firing phase corresponding to four parts of chemical reagent；
Fig. 4 is the flow chart of the heating means according to the present invention；And
Fig. 5 is the flow chart of the heating means according to one embodiment of the present invention.
Description of reference numerals
The controller of 11 heating source 12
The chemical reagent of 13 temperature-detecting device 1,2,3,4
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Fig. 1 is the structural representation of the heater provided according to the present invention.As shown in figure 1, the heating that the present invention is provided
Device can include：At least two heating sources 11；Controller 12, for the Power Control heating source according to needed for the material to be heated
Begun to warm up with initial power；And temperature-detecting device 13, detect the different parts of the material to be heated or the multiple treat
The temperature of the different materials to be heated in thing is heated, wherein, the controller 12 is additionally operable to the difference between each temperature detected
In the case that value exceedes preset range, the heating source is controlled according to the position or to be added of the minimum material to be heated of the temperature of determination
Heating frequency and firing phase corresponding to hot thing are heated.
The combination of each frequency, phase of heating source can form corresponding field point in the heating chamber of heater
Cloth, if heating chamber is divided into some regions, the electromagnetic field intensity in each region is inconsistent.Phase when heating source,
When frequency changes, the electromagnetic field intensity in each region can also change.Correspondingly, it is placed on the strong local material to be heated of field strength
Temperature rise speed can faster, thus the temperature rise produced in the same time is maximum；And it is placed on weaker local to be heated of field strength
The temperature rise speed of thing is then relatively slow (for same or close material), thus the temperature rise produced in the same time is minimum.Therefore
As long as energy detection temperature, and working condition of the energy according to temperature adjustment heating source, to be added in heating chamber to be placed on
The each several part (or multiple materials to be heated) of hot thing can be controlled in less temperature difference after the completion of heating (should be considerable
It is that different material to be heated temperature difference requirements can be different), so as to realize uniform heating.
Wherein, the temperature-detecting device 13 is additionally operable in predetermined period region shared by the scanning covering material to be heated
Focus temperature；The controller 12 is additionally operable to control the frequency and phase change of heating source, until determining the predetermined week
Make the heating source of a position of the material to be heated or the temperature rise maximum of the material to be heated in the multiple material to be heated in phase
Frequency and phase, by the frequency and phase be defined as in the position of the material to be heated or the multiple material to be heated should
The corresponding heating frequency of material to be heated and firing phase.The temperature scanning device can be multipoint temperature sensor or thermal imaging
Equipment, wherein, thermal imaging apparatus can easily be detected and record some region of temperature, and multipoint temperature sensor is then needed
To add certain algorithm, collected data is recorded the point of temperature close according to physical location, on thermal imaging apparatus and
Multipoint temperature sensor is existing device, for purposes of brevity, is repeated no more in this.
In addition, the phase change in order to realize heating source, the heater 11 can also include phase shifter.
The controller 12 is additionally operable to determine frequency and phase when the heating source is begun to warm up to cause heating source
Incident power highest and reflection power minimum, so as to realize quick heating.In addition, reaching default temperature in the material to be heated
After degree, the controller 12 can control the heating source to stop heating.
In order to make heating source be operated under identical frequency, at least two heating sources 11 can be produced by same microwave signal
Raw module is produced, and heating source 11 can be microwave source.
Heater 11 can also include being used for feed-in mouthful of the heating source to heater feed in energy analysis, at least two
Feed-in mouthful is arranged on the wall of heating chamber, and its quantity can be consistent with the quantity of heating source；Need to ensure good between feed-in mouthful
Good isolation, for example, in the case where heater is semiconductor microwave firing equipment, isolation between feed-in mouthful can be with
Less than -15dB.
It is determined that the different materials to be heated in the different parts or the multiple material to be heated of the material to be heated are corresponding
When heating frequency and firing phase, heating thing is treated due to purpose and not lying in and heated, therefore controller 12 can be controlled
The heating source is heated with relatively low default heating power (such as general power is less than 100W), certainly, real to save the energy
Heating power can be set according to the characteristic of heating object on border, material denaturation will not be caused also may be used in the case where temperature is high
With appropriate increase power；It is determined that after the heating frequency and the firing phase, controller 12 can be treated according to described
The species and required degree of heat for heating thing control the heating power of the heating source, to enable material to be heated with relatively conjunction
Suitable heating process is heated.
The present invention will be described in detail by embodiment below, but the present invention is not restricted to this.
Fig. 2 is the heating schematic diagram of four parts of chemical reagent according to one embodiment of the present invention.As shown in Fig. 2 adding
Four parts of chemical reagent 1,2,3 and 4 are put into the heating chamber of thermal.Four parts of chemical reagent 1,2,3 and 4 are put into after heating chamber,
In this embodiment, the device for gathering the temperature of four parts of chemical reagent 1,2,3 and 4 can be radio temperature sensor, also may be used
Be inserted directly into four parts of reagents can detection temperature probe.
It is possible, firstly, to control microwave source to start with small-power (general power is less than 100W), hot spot scanning is then carried out with dividing
Analysis.In this course, it is necessary to by the frequency for changing microwave source, phase to determine to sentence down at least four states：In time t
Interior, No. 1 chemical reagent temperature rise is maximum；In time t, No. 2 chemical reagent temperature rises are maximum；In time t, No. 3 chemical reagent temperature
Rise maximum；In time t, No. 4 chemical reagent temperature rises are maximum, respectively that the frequency and phase of the microwave source under four states is true
It is set to heating frequency and firing phase corresponding to four parts of chemical reagent.Furthermore it is possible to according to the size of register length and
Heating accuracy required by material to be heated chooses whether to record each temperature rise permutation and combination under different frequency, phase combination.
In the present embodiment, by test screen, four parts of chemical reagent as shown in Figure 3 is obtained and distinguish corresponding heating
Frequency and firing phase, wherein, it is 2420MHz in microwave source frequency, phase is 0,0,0,0 A condition, No. 1 chemical reagent temperature
Rise maximum, it is determined that heating frequency and firing phase corresponding to No. 1 chemical reagent are 2420MHz and 0,0,0,0；In microwave source
Frequency is 2470MHz, and phase is 0,60,180,0 B state, and No. 2 chemical reagent temperature rises are maximum；It is in microwave source frequency
2450MHz, phase is -180,0,180,0 C-state, and No. 3 chemical reagent temperature rises are maximum；It is 2480MHz phases in microwave source frequency
Position is -180,90,180,0 D-state, and No. 4 chemical reagent temperature rises are maximum.
Then, heated (usually high-power) according to the power of material to be heated demand, in order to quickly heat, select into
Penetrate the minimum frequency/phase point of power highest, reflection power (being usually many) heating, naturally it is also possible to pass through other algorithms
To obtain suitable heating power.After heating a period of time, if the temperature difference between four parts of chemical reagent exceedes preset range
When, then it is heating frequency and firing phase corresponding to the minimum chemical reagent of temperature by the frequency and Phase-switching of microwave source.
For example, No. 1 temperature of reagent exceedes preset range with some in other three parts of chemical reagent or multiple temperature differences, then by microwave
The frequency and Phase-switching in source be 2420MHz and 0,0,0,0, by that analogy.When the temperature of four parts of chemical reagent reach it is default
After temperature, microwave source can be controlled to stop heating.
Wherein, for different materials to be heated, temperature difference can be different.Relatively stringent material to be heated is required to temperature difference
(such as reagent), generally controls the preset range of temperature difference within 2 DEG C；The material to be heated not strict to temperature difference requirement is (such as
Milk), the preset range of temperature difference can be controlled within 5 DEG C.
Fig. 4 is the flow chart of the heating means provided according to the present invention.As shown in figure 4, at step S40, according to be added
Power Control heating source is begun to warm up with initial power needed for hot thing；At step S41, detect material to be heated different parts or
The temperature of different materials to be heated in multiple materials to be heated；And at step S42, if the difference between each temperature exceedes in advance
If scope, then the heating source is controlled according to adding corresponding to the position of the minimum material to be heated of the temperature of determination or material to be heated
Hot frequency and firing phase are heated.Above-mentioned heating means can be after the completion of heating by each several part or difference of material to be heated
The difference control of the temperature of material to be heated is in smaller range, so as to realize uniform heating.
The heating means that the present invention is provided are described in detail below with reference to Fig. 5, it is to be noted however that the present invention is not
Limited to this.
As shown in figure 5, at step 51, microwave source can be controlled to start with small-power (general power is less than 100W), it is determined that
The each corresponding heating frequency of material to be heated and firing phase, for example, the scanning covering material to be heated institute in predetermined period
The temperature of the focus in occupied area domain；And change the frequency and phase of heating source, until determining to make in the predetermined period described
The frequency and phase of the maximum heating source of the temperature rise of a material to be heated in one position of material to be heated or the multiple material to be heated
Position, the material to be heated pair in the position of the material to be heated or the multiple material to be heated is defined as by the frequency and phase
The heating frequency and firing phase answered.Preferably, determine the frequency and phase when the heating source is begun to warm up so that heating source
Incident power highest and reflection power is minimum
At step 52, material to be heated is heated according to required power；At step 53, detection material to be heated is not
With the temperature of the different materials to be heated in position or multiple materials to be heated, judge that the interpolation between each temperature exceedes preset range.
At step 54, if the difference between each temperature exceedes preset range, switch heated condition, for example, control institute
Heating source is stated according to the heating frequency corresponding to the position of the minimum material to be heated of the temperature of determination or material to be heated and heating phase
Heated position.If the difference between each temperature is not less than preset range, step 55 place is gone to.
At step 55, judge whether material to be heated reaches preset temperature, heating source is controlled if preset temperature is reached
Stop heating；If not up to preset temperature, continues to heat material to be heated.
Other details and benefit about heating means are identical with above-mentioned details and benefit for heater, in
This is repeated no more.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of heating means, it is characterised in that the heating means include：
Power Control heating source is begun to warm up with initial power according to needed for material to be heated；
Detect the different parts of material to be heated or the temperature of the different materials to be heated in multiple materials to be heated；
The temperature of the focus in region shared by the scanning covering material to be heated in predetermined period；
Change the frequency and phase of heating source, until determining to make a position or the institute of the material to be heated in the predetermined period
The frequency and phase of the maximum heating source of temperature rise of a material to be heated in multiple materials to be heated are stated, the frequency and phase are determined
The corresponding heating frequency of the material to be heated in the position or the multiple material to be heated and heating phase for the material to be heated
Position；And
If difference between each temperature exceedes preset range, the heating source is controlled according to minimum to be added of temperature of determination
Heating frequency and firing phase corresponding to the position of hot thing or material to be heated are heated.
2. heating means according to claim 1, it is characterised in that the heating means also include：Determine the heating
Frequency and phase when source is begun to warm up is so that the incident power highest and reflection power of heating source are minimum.
3. heating means according to claim 1, it is characterised in that the heating means also include：Described to be heated
Thing, which reaches, controls the heating source to stop heating after preset temperature.
4. heating means according to any one of claim 1 to 3, it is characterised in that the heating source is by same microwave
Signal generator module is produced.
5. a kind of heater, it is characterised in that the heater includes：
At least two heating sources；
Controller, is begun to warm up for the Power Control heating source according to needed for material to be heated with initial power；And
Temperature-detecting device, detect material to be heated different parts or the different materials to be heated in multiple materials to be heated temperature with
And scanning covers the temperature of the focus in region shared by the material to be heated in predetermined period,
Wherein, the controller is additionally operable to：
The frequency and phase change of heating source are controlled, until determining to make a position of the material to be heated in the predetermined period
Or the material to be heated in the multiple material to be heated can the maximum heating source of temperature rise frequency and phase, by the frequency and
Phase is defined as the corresponding heating frequency of the material to be heated in the position of the material to be heated or the multiple material to be heated
And firing phase；And
Difference between each temperature detected controls the heating source according to the temperature of determination in the case of exceeding preset range
Heating frequency and firing phase corresponding to the position of the minimum material to be heated of degree or material to be heated are heated.
6. heater according to claim 5, it is characterised in that the controller is additionally operable to：Determine the heating source
Frequency and phase when beginning to warm up is so that the incident power highest and reflection power of heating source are minimum.
7. heater according to claim 5, it is characterised in that the controller is additionally operable to：In the material to be heated
Reach and control the heating source to stop heating after preset temperature.
8. heater according to claim 5, it is characterised in that the temperature-detecting device is multipoint temperature sensor
Or thermal imaging apparatus.
9. heater according to claim 5, it is characterised in that the heater also includes being used for the heating source
To the feed-in mouthful of heater feed in energy analysis, the wherein isolation between feed-in mouthful is less than -15dB.
10. the heater according to any one of claim 5 to 8, it is characterised in that the heating source is by same microwave
Signal generator module is produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834286.8A CN105351981B (en) | 2015-11-25 | 2015-11-25 | A kind of heating means and heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834286.8A CN105351981B (en) | 2015-11-25 | 2015-11-25 | A kind of heating means and heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105351981A CN105351981A (en) | 2016-02-24 |
| CN105351981B true CN105351981B (en) | 2017-10-10 |
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ID=55328002
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510834286.8A Active CN105351981B (en) | 2015-11-25 | 2015-11-25 | A kind of heating means and heater |
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| Country | Link |
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| CN (1) | CN105351981B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972651B (en) * | 2016-05-05 | 2018-09-11 | 广东美的厨房电器制造有限公司 | A kind of microwave heating method, system and micro-wave oven improving heat foods uniformity |
| CN106402957A (en) * | 2016-08-31 | 2017-02-15 | 广东美的厨房电器制造有限公司 | Microwave oven control device and method and microwave oven |
| CN106482180B (en) * | 2016-09-30 | 2018-12-28 | 广东美的厨房电器制造有限公司 | Semiconductor microwave oven and its method for heating and controlling and device |
| CN106500143A (en) * | 2016-10-31 | 2017-03-15 | 广东美的厨房电器制造有限公司 | Micro-wave oven and its method for heating and controlling |
| CN106765357B (en) * | 2016-11-24 | 2019-01-29 | 广东美的厨房电器制造有限公司 | Semiconductor microwave heating equipment and its control method and control device |
| CN113316280B (en) * | 2020-02-27 | 2023-01-20 | 青岛海尔电冰箱有限公司 | Control method for heating device and heating device |
| WO2024085367A1 (en) * | 2022-10-21 | 2024-04-25 | Samsung Electronics Co., Ltd. | Cooking apparatus for segmenting food item from background and method thereof |
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| JPH0395312A (en) * | 1989-09-07 | 1991-04-19 | Matsushita Electric Ind Co Ltd | High frequency heating device |
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| Publication number | Publication date |
|---|---|
| CN105351981A (en) | 2016-02-24 |
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