CN108521691A - Radio frequency defrosting heating equipment - Google Patents
Radio frequency defrosting heating equipment Download PDFInfo
- Publication number
- CN108521691A CN108521691A CN201810225413.8A CN201810225413A CN108521691A CN 108521691 A CN108521691 A CN 108521691A CN 201810225413 A CN201810225413 A CN 201810225413A CN 108521691 A CN108521691 A CN 108521691A
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- CN
- China
- Prior art keywords
- module
- radio
- defrosting heating
- radio frequency
- heating equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
-
- 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
- H05B6/688—Circuits for monitoring or control for thawing
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
Abstract
The present invention provides a kind of radio frequency defrosting heating equipment, includes at least radio-frequency power output module, control unit, power module, cooling system and electricity adjust radiation appliance；Wherein it is described electricity adjust radiation appliance include：Defrosting heating cavity；Radiation assembly, the radiation assembly are arranged in the defrosting heating cavity；Switching module, the switching module are connect with the radiation assembly.Compared with prior art, radio frequency defrosting heating equipment of the present invention has the following advantages：1) food thawing is uniformly quick, and no watery blood outflow ensures the better quality of food to the greatest extent；2) heat foods are uniform, and no hot spot and cold spot generate, and greatly reduce the possibility that hot-spot or non-heating phenomena occur；3) radiation appliance is adjusted to thaw using electricity, reaction speed is fast；4) system is more intelligent, facilitation and safe, is suitble to family, restaurant etc. generally uses.
Description
Technical field
The present invention relates to a kind of radio frequency defrosting heating equipments.
Background technology
Current defreezing method substantially has naturally to thaw in air, and water, which impregnates, to thaw, and refrigerator cold-storage thaws, defrosting plate solution
Freeze, they are thawed by the mode of heat transfer, cannot realize the demand that uniformity is good and the time is short simultaneously.Common is micro-
Wave stove thaws and heating, and quality sense is poor, lack of homogeneity, is not well positioned to meet the use demand of user still.
Invention content
For the defects in the prior art, present invention aims at provide a kind of radio frequency defrosting solving above-mentioned technical problem
Heating equipment.
In order to solve the above technical problems, the present invention provides a kind of radio frequency defrosting heating equipment, it is defeated to include at least radio-frequency power
Go out module, control unit, power module, cooling system and electricity adjust radiation appliance；Wherein it is described electricity adjust radiation appliance include：Solution
Freeze heating cavity；Radiation assembly, the radiation assembly are arranged in the defrosting heating cavity；Switching module, it is described to open
Handover module is closed to connect with the radiation assembly.
Preferably, the switching module includes the controlled inductance unit and fixed inductance unit of interconnection, described
Fixed inductance unit is connect with the radiation assembly.
Preferably, the controlled inductance unit includes multiple controlled inductances, the parallel connection one on each controlled inductance
A switch.
Preferably, the fixed inductance unit includes multiple fixed inductances, the fixed inductance unit and the controlled electricity
Feel unit to be connected with each other.
Preferably, the radiation assembly includes at least a radiating element.
Preferably, described control unit includes microcontroller, remote monitoring module and UI interactive modules；The microcontroller
Radiation appliance is adjusted to connect with the radio-frequency power output module, the power module, the cooling system and the electricity respectively.
Preferably, the radio-frequency power output module includes radiofrequency signal source module, radio frequency power amplification modules and radio-frequency measurement
Module；The radiofrequency signal source module is connect with the microcontroller；The radio-frequency measurement module and the switching module
Connection.
Preferably, the power module includes the first DC power supplier, the second DC power supplier, third DC power supply
Module and the 4th power module.
Preferably, the cooling system includes at least fan.
Compared with prior art, radio frequency defrosting heating equipment of the present invention has the following advantages：
1) food thawing is uniformly quick, and no watery blood outflow ensures the better quality of food to the greatest extent；
2) heat foods are uniform, and no hot spot and cold spot generate, and greatly reduce hot-spot or non-heating phenomena occurs
Possibility；
3) radiation appliance is adjusted to thaw using electricity, reaction speed is fast；
4) system is more intelligent, facilitation and safe, is suitble to family, restaurant etc. generally uses.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature mesh of the invention
And advantage will become more apparent upon.
Fig. 1 is radio frequency defrosting heating device radio-frequency power output module functional block diagram of the present invention；
Fig. 2 is radio frequency defrosting heating device power module functional block diagram of the present invention；
Fig. 3 is radio frequency defrosting heating device electricity tune radiation appliance functional block diagram of the present invention；
Fig. 4 is radio frequency defrosting heating device control unit functional block diagram of the present invention；
Fig. 5 is radio frequency defrosting heating device cooling system functional block diagram of the present invention；
Connection block diagrams of the Fig. 6 between radio frequency defrosting heating-device modules of the present invention；
Fig. 7 is radio frequency defrosting schematic diagram of heating device of the present invention.
In figure：
1- defrosting heating cavity 2- fan 3- switching modules
4- radio-frequency power output module 5- power module 6- control units
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several change and modification can also be made.
Fig. 1~Fig. 5 is the main function module of radio frequency defrosting heating device of the present invention and its submodule block diagram.
Radio-frequency power output module 4, a kind of realization method as shown in Figure 1, effect：1. radiofrequency signal source module is exportable
Rf oscillation signal, the RF control signal exported by control unit 6 control the output state of signal；2. control unit 6 is defeated
The grid voltage gone out provides variable voltage for the grid of radio frequency power amplification modules, and power module 5 provides for radio frequency power amplification modules can
The drain voltage three of change, the strength power of the exportable power adjustable of radio frequency power amplification modules；3. radio-frequency measurement module detects work(
Put the radio frequency parameter of output end, specially S11Amplitude and phase, output and reflection power size, control unit 6 is by penetrating
Frequency power output module 4 provide radio-frequency measurement parameter come understand electricity adjust radiation appliance impedance state；4. radio frequency power amplification modules
The radio-frequency power of output first passes through to export again after the detection of radio-frequency measurement module adjusts radiation appliance to electricity.
Power module 5, a kind of realization method as shown in Figure 2 are used for 1. the first DC power supplier 5 output DC voltage
One, give control unit 6；2. the second DC power supplier 5 exports DC voltage two, switching module 3 is given；3. third direct current
5 output voltage three of source module gives radio-frequency power output module 4；4. 5 output voltage four of the 4th power module, in cooling system
Fan.It is worth noting that voltage one is normally opened voltage, the voltage swing of voltage three is adjustable, and door switch controls signal and forces control
The break-make of voltage two processed, voltage three, voltage four, while the control of their 6 power control signals of also controlled unit.Control unit
6 can also be configured power module 5 into line output voltage three by power control signal.
Electricity adjusts radiation appliance, as shown in figure 3, the radio-frequency power that 1. radio-frequency power output module 4 exports must first pass through open
Radiation assembly is got to after closing handover module 3；2. switching module 3 is passive adjustable part, exported by control unit 6
Switch Control signal switches the best match state that variable connector finds 4 output end of radio-frequency power output module, makees
With being to compensate because of food species, size, position, shape and temperature it is different and caused by resistance difference, realize whole-process automatic benefit
Repay the variation of food；3. radiation assembly includes one or more radiating element in defrosting heating cavity, it is used for radio-frequency power
The radio-frequency power Transmit evenly that output module 4 exports forces food to food, the strength electromagnetic field of these high speed variations
In molecule, ion etc. carry out strenuous exercise and heat up, metal cavity can play carrying for preventing RF energy from revealing
The effect of food.
Control unit 6 completes all status monitorings of system, data analysis, function control and the human-computer interaction of the interfaces UI, such as
Shown in Fig. 4, it is used for
1) condition monitoring controls whether signal moment monitoring door closes including 1. stove door switch is monitored by door switch；②
The radio-frequency measurement parameter fed back by radio-frequency power output module 4, moment monitoring electricity adjust the impedance state of radiation appliance, it is ensured that penetrate
The radio-frequency power that frequency power output module 4 exports can effectively be transmitted to radiation assembly.
2) data analysis, the output frequency and forward and backward power of acquisition radio-frequency measurement module and their difference, from
And the amplitude and phase of scattered color parameter S11 is calculated.Analysis obtains the impedance state of different foods.
3) function control controls the output of power supply by the power control signal that control unit 6 exports；Control unit 6 is defeated
The grid voltage size of the grid voltage control power amplifier module gone out；The radiofrequency signal control that control unit 6 exports, controls radio-frequency signal source
Output state；Pass through the break-make for 3 upper switch of Switch Control Signal-controlled switch handover module that control unit 6 exports
Deng.
4) UI interactive modules, including display module, key-press module, knob, buzzer module etc..User passes through button and rotation
Button carries out function selection, 1. thaws there are mainly two types of functional mode；2. heating.It can also be convenient in real time by remote monitoring module
Monitoring etc..
In figure 3, if not adding switching module 3, by the output end of radio-frequency power output module 4 directly with one or
The multiple radiating elements of person are connected, and the size of the radio-frequency power of output can be with the type of food, size, position, shape and temperature
It is different and change, in some instances it may even be possible to there is no power output, it is therefore desirable to which that switching module 3 compensates these variations.
Have in switching module 3 it is multiple switched by 6 control of control unit, upper corresponding one in parallel of each switch by
Inductance is controlled, the state or change circuit whether these switch on the access that can determine these controlled inductances with closure are opened up
Flutter structure；There are several fixed inductances in Simultaneous Switching handover module, their no and switch in parallel, i.e., uncontrolled unit
6 control, these fixed inductances can play the role of share current or voltage.
Cooling system, as shown in figure 5, comprising fan, the air duct of rational design and the lower radiator structure of some thermal resistances
Part plays important cooling effect to power module, radio-frequency power output module and the switching module in system.
Connection block diagrams of the Fig. 6 between radio frequency defrosting heating-device modules.Power module converts alternating current to multiple stabilizations
The power supply of output is responsible for giving radio-frequency power output module, control unit, switching module for power supply and cooling system power supply；Control
Unit processed is the control axis of whole system, completes all status monitorings of system, data analysis, function control and people from the interfaces UI
Machine interacts, the functions such as remote monitoring；Radio-frequency power output module can convert direct current energy to the strength energy；Electricity adjusts radiation
Device is responsible for equably sending strength high efficiency of energy to food, realizes and quickly and evenly thaws and heat；Cooling system
It is responsible for power module, radio-frequency power output module and switching module heat dissipating.
It thaws and heating mode and flow
At least a kind of functional mode of user is selective：Defrosting pattern or heating mode.
Under defrosting pattern, 1. system can be according to the time (not above the time upper limit of system default) of user setting and work(
Rate is thawed；2. under automatic mode, system can judge whether food has arrived the suitable temperature thawed and terminated automatically.
Under heating mode, 1. system can be according to the time (not above the time upper limit of system default) of user setting and work(
Rate heats；2. function menu pattern, system is provided with common meal menu, facilitates user to select, while ensureing food
Good culinary art.
Fig. 7 is a kind of realization method of defrosting heating-device modules layout, and radiation assembly is located in defrosting heating cavity 1
Face is fixed by low-loss insulation board；Switching module 3 is located at behind defrosting heating cavity 1, and cable passes through on trailing flank
Through-hole it is connected with radiation assembly；Radio-frequency power output module 4, power module 5 are located at the right side of defrosting heating cavity 1,
They are connected by cable by the through-hole on right side with switching module 3；Control unit 6 is located at defrosting heating cavity 1
Before side to the right, cable is by the aperture on side to the right before defrosting heating cavity 1 by it and radio-frequency power output module
4, power module 5 and switching module 3 are connected；Fan 2 is mounted on behind defrosting heating cavity and right side, convenient for giving out
It closes handover module 3, radio-frequency power output module 4 and power module 5 and wind-cooling heat dissipating is provided；Entire defrosting heating device can convenient reality
It is existing.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or change within the scope of the claims, this not shadow
Ring the substantive content of the present invention.In the absence of conflict, the feature in embodiments herein and embodiment can arbitrary phase
Mutually combination.
Claims (9)
1. a kind of radio frequency defrosting heating equipment, which is characterized in that include at least radio-frequency power output module, control unit, power supply
Module, cooling system and electricity adjust radiation appliance；Wherein
It is described electricity adjust radiation appliance include：
Defrosting heating cavity；
Radiation assembly, the radiation assembly are arranged in the defrosting heating cavity；
Switching module, the switching module are connect with the radiation assembly.
2. radio frequency defrosting heating equipment according to claim 1, which is characterized in that the switching module includes mutual
The controlled inductance unit and fixed inductance unit of connection, the fixed inductance unit are connect with the radiation assembly.
3. radio frequency defrosting heating equipment according to claim 2, which is characterized in that the controlled inductance unit includes multiple
Controlled inductance, a switch in parallel on each controlled inductance.
4. radio frequency defrosting heating equipment according to claim 3, which is characterized in that the fixed inductance unit includes multiple
Fixed inductance, the fixed inductance unit are connected with each other with the controlled inductance unit.
5. radio frequency defrosting heating equipment according to claim 1, which is characterized in that the radiation assembly includes at least one
Radiating element.
6. radio frequency defrosting heating equipment according to claim 1, which is characterized in that described control unit includes microcontroller
Device, remote monitoring module and UI interactive modules；
The microcontroller respectively with the radio-frequency power output module, the power module, the cooling system and the electricity
Adjust radiation appliance connection.
7. radio frequency defrosting heating equipment according to claim 6, which is characterized in that the radio-frequency power output module includes
Radiofrequency signal source module, radio frequency power amplification modules and radio-frequency measurement module；
The radiofrequency signal source module is connect with the microcontroller；
The radio-frequency measurement module is connect with the switching module.
8. radio frequency defrosting heating equipment according to claim 7, which is characterized in that the power module includes the first direct current
Power module, the second DC power supplier, third DC power supplier and the 4th power module.
9. radio frequency defrosting heating equipment according to claim 8, which is characterized in that the cooling system includes at least wind
Fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225413.8A CN108521691A (en) | 2018-03-19 | 2018-03-19 | Radio frequency defrosting heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225413.8A CN108521691A (en) | 2018-03-19 | 2018-03-19 | Radio frequency defrosting heating equipment |
Publications (1)
| Publication Number | Publication Date |
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| CN108521691A true CN108521691A (en) | 2018-09-11 |
Family
ID=63433270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810225413.8A Pending CN108521691A (en) | 2018-03-19 | 2018-03-19 | Radio frequency defrosting heating equipment |
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Cited By (29)
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| CN109257025A (en) * | 2018-11-01 | 2019-01-22 | 上海点为智能科技有限责任公司 | Switch matching module, thawing apparatus and automatic defreezing method |
| CN110100994A (en) * | 2019-04-26 | 2019-08-09 | 上海点为智能科技有限责任公司 | The device of food thawing and heating time are monitored and controlled by radio frequency |
| US10616963B2 (en) | 2016-08-05 | 2020-04-07 | Nxp Usa, Inc. | Apparatus and methods for detecting defrosting operation completion |
| WO2020118994A1 (en) * | 2018-12-14 | 2020-06-18 | 青岛海尔智能技术研发有限公司 | Radio frequency thawing device |
| CN111436481A (en) * | 2020-05-09 | 2020-07-24 | 上海点为智能科技有限责任公司 | Radio frequency pulse thawing and heating equipment and closed-loop control method thereof |
| CN111466508A (en) * | 2020-04-10 | 2020-07-31 | 四川长虹电器股份有限公司 | Radio frequency unfreezing device, refrigerator and radio frequency unfreezing method |
| CN111586910A (en) * | 2019-02-18 | 2020-08-25 | 上海点为智能科技有限责任公司 | Mixed frequency heating system |
| US10771036B2 (en) | 2017-11-17 | 2020-09-08 | Nxp Usa, Inc. | RF heating system with phase detection for impedance network tuning |
| US10785834B2 (en) | 2017-12-15 | 2020-09-22 | Nxp Usa, Inc. | Radio frequency heating and defrosting apparatus with in-cavity shunt capacitor |
| US10917948B2 (en) | 2017-11-07 | 2021-02-09 | Nxp Usa, Inc. | Apparatus and methods for defrosting operations in an RF heating system |
| CN112335813A (en) * | 2019-08-06 | 2021-02-09 | 青岛海尔特种电冰柜有限公司 | Radio frequency heating equipment and unfreezing box with same |
| US10952289B2 (en) | 2018-09-10 | 2021-03-16 | Nxp Usa, Inc. | Defrosting apparatus with mass estimation and methods of operation thereof |
| CN112799337A (en) * | 2021-04-14 | 2021-05-14 | 成都沃特塞恩电子技术有限公司 | Radio frequency unfreezing control system and method |
| US11013075B2 (en) | 2018-12-20 | 2021-05-18 | Nxp Usa, Inc. | RF apparatus with arc prevention using non-linear devices |
| US11039511B2 (en) | 2018-12-21 | 2021-06-15 | Nxp Usa, Inc. | Defrosting apparatus with two-factor mass estimation and methods of operation thereof |
| US11039512B2 (en) | 2016-08-05 | 2021-06-15 | Nxp Usa, Inc. | Defrosting apparatus with lumped inductive matching network and methods of operation thereof |
| US11089661B2 (en) | 2018-12-14 | 2021-08-10 | Nxp Usa, Inc. | Defrosting apparatus with repositionable electrodes |
| CN113347750A (en) * | 2020-02-18 | 2021-09-03 | 青岛海尔电冰箱有限公司 | Control method for heating unit, heating unit and refrigerating and freezing device |
| US11160145B2 (en) | 2017-09-29 | 2021-10-26 | Nxp Usa, Inc. | Drawer apparatus for radio frequency heating and defrosting |
| US11166352B2 (en) | 2018-12-19 | 2021-11-02 | Nxp Usa, Inc. | Method for performing a defrosting operation using a defrosting apparatus |
| US11229094B2 (en) | 2018-12-20 | 2022-01-18 | Nxp Usa, Inc. | Combined RF and thermal heating system and methods of operation thereof |
| US11324084B2 (en) | 2019-05-16 | 2022-05-03 | Nxp Usa, Inc. | Combined RF and thermal heating system with heating time estimation |
| US11324082B2 (en) | 2019-05-02 | 2022-05-03 | Nxp Usa, Inc. | RF thermal increase systems with multi-level electrodes |
| US11382190B2 (en) | 2017-12-20 | 2022-07-05 | Nxp Usa, Inc. | Defrosting apparatus and methods of operation thereof |
| US11484048B2 (en) | 2018-09-14 | 2022-11-01 | Nxp Usa, Inc. | Defrosting apparatus with defrosting operation monitoring and methods of operation thereof |
| US11528926B2 (en) | 2018-10-19 | 2022-12-20 | Nxp Usa, Inc. | Defrosting apparatus with repositionable electrode |
| US11570857B2 (en) | 2018-03-29 | 2023-01-31 | Nxp Usa, Inc. | Thermal increase system and methods of operation thereof |
| US11723121B2 (en) | 2018-09-14 | 2023-08-08 | Nxp Usa, Inc. | Defrosting apparatus with low-loss load detection and methods of operation thereof |
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| US11160145B2 (en) | 2017-09-29 | 2021-10-26 | Nxp Usa, Inc. | Drawer apparatus for radio frequency heating and defrosting |
| US10917948B2 (en) | 2017-11-07 | 2021-02-09 | Nxp Usa, Inc. | Apparatus and methods for defrosting operations in an RF heating system |
| US10771036B2 (en) | 2017-11-17 | 2020-09-08 | Nxp Usa, Inc. | RF heating system with phase detection for impedance network tuning |
| US10785834B2 (en) | 2017-12-15 | 2020-09-22 | Nxp Usa, Inc. | Radio frequency heating and defrosting apparatus with in-cavity shunt capacitor |
| US11382190B2 (en) | 2017-12-20 | 2022-07-05 | Nxp Usa, Inc. | Defrosting apparatus and methods of operation thereof |
| US11570857B2 (en) | 2018-03-29 | 2023-01-31 | Nxp Usa, Inc. | Thermal increase system and methods of operation thereof |
| US10952289B2 (en) | 2018-09-10 | 2021-03-16 | Nxp Usa, Inc. | Defrosting apparatus with mass estimation and methods of operation thereof |
| US11484048B2 (en) | 2018-09-14 | 2022-11-01 | Nxp Usa, Inc. | Defrosting apparatus with defrosting operation monitoring and methods of operation thereof |
| US11800608B2 (en) | 2018-09-14 | 2023-10-24 | Nxp Usa, Inc. | Defrosting apparatus with arc detection and methods of operation thereof |
| US11723121B2 (en) | 2018-09-14 | 2023-08-08 | Nxp Usa, Inc. | Defrosting apparatus with low-loss load detection and methods of operation thereof |
| US11528926B2 (en) | 2018-10-19 | 2022-12-20 | Nxp Usa, Inc. | Defrosting apparatus with repositionable electrode |
| CN109257025A (en) * | 2018-11-01 | 2019-01-22 | 上海点为智能科技有限责任公司 | Switch matching module, thawing apparatus and automatic defreezing method |
| WO2020118994A1 (en) * | 2018-12-14 | 2020-06-18 | 青岛海尔智能技术研发有限公司 | Radio frequency thawing device |
| US11089661B2 (en) | 2018-12-14 | 2021-08-10 | Nxp Usa, Inc. | Defrosting apparatus with repositionable electrodes |
| US11166352B2 (en) | 2018-12-19 | 2021-11-02 | Nxp Usa, Inc. | Method for performing a defrosting operation using a defrosting apparatus |
| US11229094B2 (en) | 2018-12-20 | 2022-01-18 | Nxp Usa, Inc. | Combined RF and thermal heating system and methods of operation thereof |
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