CN108812854A - Radio frequency defrosting system - Google Patents
Radio frequency defrosting system Download PDFInfo
- Publication number
- CN108812854A CN108812854A CN201810433596.2A CN201810433596A CN108812854A CN 108812854 A CN108812854 A CN 108812854A CN 201810433596 A CN201810433596 A CN 201810433596A CN 108812854 A CN108812854 A CN 108812854A
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- China
- Prior art keywords
- radiation
- defrosting
- radio frequency
- cavity
- radiating element
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- 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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/06—Freezing; Subsequent thawing; Cooling
- A23B4/07—Thawing subsequent to freezing
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
Abstract
The present invention provides a kind of radio frequency defrosting system, including at least signal source, solid state power amplifier, measuring unit and splitter, wherein solid state power amplifier is the power amplifier using semiconductor power device, and the signal source, the solid state power amplifier, the measuring unit and the splitter are sequentially connected；Radiation appliance, the radiation appliance are connect with the splitter；Control unit, described control unit are connect with the signal source, the solid state power amplifier, the measuring unit and the radiation appliance respectively；Defrosting cavity, the radiation appliance are connect with the defrosting cavity.Compared with prior art, radio frequency defrosting system of the present invention has the following advantages that：Uniformly quick with thawed foodstuff, system is simple, realizes the advantages that facilitating.
Description
Technical field
The present invention relates to a kind of radio frequency defrosting systems.
Background technique
Currently with food materials such as defreezing by microwave oven frozen meat, it may appear that defrosting uniformity is poor, hot-spot, watery blood outflow etc. is existing
As the quality of the meat after defrosting is very poor, is not well positioned to meet the defrosting demand of user.And traditional thawing mode, comprising certainly
It so thaws, water, which impregnates, to thaw, and refrigerator cold-storage thaws etc., but these thawing modes are there are still time-consuming, bacterium easy to breed etc.
Problem.
Summary of the invention
For the defects in the prior art, it is an object of that present invention to provide a kind of radio frequency defrostings for solving above-mentioned technical problem
System.
In order to solve the above technical problems, the present invention provides a kind of radio frequency defrosting system, signal source, solid-state function are included at least
It puts, measuring unit and splitter, the signal source, the solid state power amplifier, the measuring unit and the splitter are sequentially connected；
Radiation appliance, the radiation appliance are connect with the splitter；Control unit, described control unit respectively with the signal source,
The solid state power amplifier, the measuring unit and radiation appliance connection；Defrosting cavity, the radiation appliance and the defrosting chamber
Body connection.
Preferably, the radiation appliance includes the first radiation assembly and the second radiation assembly.
Preferably, first radiation assembly includes sequentially connected first matching module, the first feed element and first
Radiating element；Described control unit is connect with first matching module；First radiating element is arranged in the defrosting chamber
In vivo.
Preferably, second radiation assembly includes sequentially connected second matching module, the second feed element and second
Radiating element；Described control unit is connect with second matching module；Second radiating element is arranged in the defrosting chamber
In vivo.
Preferably, the defrosting cavity includes：Operating room；First radiation chamber and the second radiation chamber, first radiation chamber
And second radiation chamber is separately positioned on the both ends of the operating room；The first radiating element setting is in first radiation
It is indoor；Second radiating element is arranged in second radiation chamber.
Preferably, the defrosting cavity ground connection.
Preferably, the defrosting cavity is metal cavity.
Preferably, described control unit includes at least the microcontroller being in communication with each other and UI interactive module.
Compared with prior art, radio frequency defrosting system of the present invention has the following advantages that：It is uniformly quick with thawed foodstuff, be
System is simple, realizes the advantages that facilitating.
Detailed description of the invention
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 systematic schematic diagram of the present invention；
Fig. 2 is radio frequency defrosting system defrosting cavity body structure schematic diagram of the present invention；
Fig. 3 is that radio frequency defrosting system of the present invention connects block diagram.
In figure：
1- signal source 2- solid state power amplifier 3- measuring unit
4- splitter 5- control unit 6- defrosting cavity
7- the first matching module 8- the first radiating element the second matching module of 9-
10- the second radiating element 11- the first radiation chamber of operating room 12-
13- the second radiation chamber 14- food the first feed element of 15-
The second feed element of 16-
Specific embodiment
The present invention is described in detail combined with specific embodiments below.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 is a kind of schematic diagram of radio frequency defrosting system provided by the invention.Radio frequency defrosting system includes signal source 1, consolidates
State power amplifier 2, control unit 5, measuring unit 3, splitter 4, two matching modules (the first matching module 7 and the second matching modules
And two radiating elements (the first radiating element 8 and the second radiating element 10) 9).
Solid state power amplifier 2 is connected between signal source 1 and measuring unit 3, control unit 5 and signal source 1, solid state power amplifier 2, control
Unit 5 processed is separately connected.
Control unit 5 can control the opening and closing of signal source 1；The radio frequency of 1 module energy output power very little of signal source
Signal；Solid state power amplifier is the power amplifier using semiconductor power device.Solid state power amplifier 2 can be by the radiofrequency signal of power very little
Amplification generates the RF energy of energy quick-thawing, and the devices such as LDMOS or GaN usually can be used.Solid state power amplifier 2 is used for signal
The radiofrequency signal that source 1 generates is amplified to suitable power, and by this portion radio frequency power transfer to measuring unit 3.
Measuring unit 3 is connected between solid state power amplifier 2 and splitter 4, and measuring unit 3 is also connect with control unit 5；Measurement
Unit 3 is used to measure the matching status of 2 output end of solid state power amplifier and the size of output power, and by matching status and watt level
Information passes to control unit 5.
Splitter 4 be connected to measuring unit 3 and two matching modules (the first matching module 7 and the second matching module 9) it
Between, splitter 4 can convert two-way output, the radio-frequency radiation letter of this two-way output from output all the way for radiofrequency signal or power
Number or the amplitude and phase relation of power determined by splitter 4；The radio-frequency power that splitter 4 exports measuring unit 3 transmits
To the first matching module 7 and the second matching module 9.
First matching module 7 is connected between splitter 4 and the first radiating element 8, and the second matching module 9 is connected to branch
Between device 4 and the second radiating element 10；First matching module 7 and the second matching module 9 are also connect with control unit 5.
First matching module 7 and the second matching module 9 are impedance matching modules.First radiating element 8 and the second radiation are single
After the impedance of matching module transformation, the power that solid state power amplifier 2 exports could effectively reach work for the input impedance of member 10
Room 11.Two way RF powers that splitter 4 exports reach two radiating elements (8 He of the first radiating element after matching module
Second radiating element 10), radiating element is by radio-frequency power Transmit evenly to food 14.
Control unit 5 is the control axis of whole system, and control unit 5 includes at least the microcontroller and UI being in communication with each other
Interactive module.Microcontroller therein can control signal source 1 radiofrequency signal output whether and control 2 output work of solid state power amplifier
The size of rate acquires radio-frequency measurement parameter and monitors the matching status of 2 output end of solid state power amplifier.UI interacts mould in control unit 5
Block, may include display module, key module, sound module etc., and user can carry out function selection and completion by this module
The operation such as setting.
First radiating element 8 and the second radiating element 10 are used for radiated radio frequency (RF) power, and what two radiating elements gave off penetrates
The amplitude and phase relation of frequency power can be determined by splitter 4
Fig. 2 is 6 structural schematic diagram of radio frequency defrosting system defrosting cavity, and (the present embodiment uses wire chamber to entire defrosting cavity 6
Body) inner space be divided into operating room 11 and two radiation chambers (the first radiation chamber 12 and the second spokes by two pieces of insulated supports
Penetrate room 13), the food 14 that insulated support is used to fix radiating element and carrying need to thaw.First radiation chamber 12 and the second radiation
The first radiating element 8, the first feed element 15 and the second radiating element 10, the second feed element 16, spoke are separately included in room 13
The type and size for penetrating unit need to be according to the sizes of cavity and the power of defrosting etc. because usually determining, herein using surface radiation
Unit.First feed element 15 and the second feed element 16 can be conductive metalwork, cable etc..Two radiating element radiation
In radio-frequency power to operating room 11, the radio-frequency power of these high speed variations forces lattice, molecule, ion in food 14 etc. to carry out
High vibration rotation etc. is moved and is heated up.Promotion food is advantageous in that using two radiative unit structures opposing upper and lower defrosting
14 efficiency and uniformity thawed.
Fig. 3 is that radio frequency defrosting system connects block diagram.(the present embodiment uses wire chamber to first matching module 7 with defrosting cavity 6
Body) in the first feed element 15 connection；In second matching module 9 and defrosting cavity 6 (the present embodiment uses metal cavity)
The connection of second feed element 16；Food 14, which is placed in operating room 11, to thaw.First radiating element 8 and the second radiating element 10 are set
It sets in defrosting cavity 6 (the present embodiment uses metal cavity) the inside, defrosting cavity 6 (the present embodiment uses metal cavity) and the earth
It is connected, defrosting cavity 6 (the present embodiment uses metal cavity) plays the role of that radio-frequency power is prevented to be leaked to outside cavity.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (8)
1. a kind of radio frequency defrosting system, which is characterized in that include at least：
Signal source, solid state power amplifier, measuring unit and splitter, the signal source, the solid state power amplifier, the measuring unit and institute
Splitter is stated to be sequentially connected；
Radiation appliance, the radiation appliance are connect with the splitter；
Control unit, described control unit respectively with the signal source, the solid state power amplifier, the measuring unit and the radiation
Device connection；
Defrosting cavity, the radiation appliance are connect with the defrosting cavity.
2. radio frequency defrosting system according to claim 1, which is characterized in that the radiation appliance includes the first radiation assembly
With the second radiation assembly.
3. radio frequency defrosting system according to claim 2, which is characterized in that first radiation assembly includes being sequentially connected
The first matching module, the first feed element and the first radiating element；
Described control unit is connect with first matching module；
First radiating element is arranged in the defrosting cavity.
4. radio frequency defrosting system according to claim 3, which is characterized in that second radiation assembly includes being sequentially connected
The second matching module, the second feed element and the second radiating element；
Described control unit is connect with second matching module；
Second radiating element is arranged in the defrosting cavity.
5. radio frequency defrosting system according to claim 4, which is characterized in that the defrosting cavity includes：
Operating room；
First radiation chamber and the second radiation chamber, first radiation chamber and second radiation chamber are separately positioned on the operating room
Both ends；
First radiating element is arranged in first radiation chamber；The second radiating element setting is in second radiation
It is indoor.
6. radio frequency defrosting system according to claim 1, which is characterized in that the defrosting cavity ground connection.
7. according to claim 1, radio frequency defrosting system described in 3,4,5 or 6, which is characterized in that the defrosting cavity is metal
Cavity.
8. radio frequency defrosting system according to claim 1, which is characterized in that described control unit is included at least and is in communication with each other
Microcontroller and UI interactive module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433596.2A CN108812854A (en) | 2018-05-08 | 2018-05-08 | Radio frequency defrosting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433596.2A CN108812854A (en) | 2018-05-08 | 2018-05-08 | Radio frequency defrosting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108812854A true CN108812854A (en) | 2018-11-16 |
Family
ID=64148552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810433596.2A Pending CN108812854A (en) | 2018-05-08 | 2018-05-08 | Radio frequency defrosting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108812854A (en) |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110493909A (en) * | 2019-08-27 | 2019-11-22 | 上海点为智能科技有限责任公司 | Distributed radio frequency or microwave thawing equipment |
| 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 |
| 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 |
| CN111586911A (en) * | 2019-02-18 | 2020-08-25 | 上海点为智能科技有限责任公司 | Semiconductor and magnetron hybrid source 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 |
| US10952289B2 (en) | 2018-09-10 | 2021-03-16 | Nxp Usa, Inc. | Defrosting apparatus with mass estimation and methods of operation thereof |
| US11013075B2 (en) | 2018-12-20 | 2021-05-18 | Nxp Usa, Inc. | RF apparatus with arc prevention using non-linear devices |
| US11039512B2 (en) | 2016-08-05 | 2021-06-15 | Nxp Usa, Inc. | Defrosting apparatus with lumped inductive matching network and methods of operation thereof |
| US11039511B2 (en) | 2018-12-21 | 2021-06-15 | Nxp Usa, Inc. | Defrosting apparatus with two-factor mass estimation and methods of operation thereof |
| US11089661B2 (en) | 2018-12-14 | 2021-08-10 | Nxp Usa, Inc. | Defrosting apparatus with repositionable electrodes |
| 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 |
| US11324082B2 (en) | 2019-05-02 | 2022-05-03 | Nxp Usa, Inc. | RF thermal increase systems with multi-level electrodes |
| US11324084B2 (en) | 2019-05-16 | 2022-05-03 | Nxp Usa, Inc. | Combined RF and thermal heating system with heating time estimation |
| 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 |
| US11800608B2 (en) | 2018-09-14 | 2023-10-24 | Nxp Usa, Inc. | Defrosting apparatus with arc detection and methods of operation thereof |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10616963B2 (en) | 2016-08-05 | 2020-04-07 | Nxp Usa, Inc. | Apparatus and methods for detecting defrosting operation completion |
| US11039512B2 (en) | 2016-08-05 | 2021-06-15 | Nxp Usa, Inc. | Defrosting apparatus with lumped inductive matching network and methods of operation thereof |
| 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 |
| CN111317017A (en) * | 2018-12-14 | 2020-06-23 | 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 |
| 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 |
| US11166352B2 (en) | 2018-12-19 | 2021-11-02 | Nxp Usa, Inc. | Method for performing a defrosting operation using a defrosting apparatus |
| US11013075B2 (en) | 2018-12-20 | 2021-05-18 | Nxp Usa, Inc. | RF apparatus with arc prevention using non-linear devices |
| US11229094B2 (en) | 2018-12-20 | 2022-01-18 | Nxp Usa, Inc. | Combined RF and thermal heating system and methods of operation thereof |
| US11039511B2 (en) | 2018-12-21 | 2021-06-15 | Nxp Usa, Inc. | Defrosting apparatus with two-factor mass estimation and methods of operation thereof |
| 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 |
| CN111586911A (en) * | 2019-02-18 | 2020-08-25 | 上海点为智能科技有限责任公司 | Semiconductor and magnetron hybrid source heating system |
| US11324082B2 (en) | 2019-05-02 | 2022-05-03 | Nxp Usa, Inc. | RF thermal increase systems with multi-level electrodes |
| US11324084B2 (en) | 2019-05-16 | 2022-05-03 | Nxp Usa, Inc. | Combined RF and thermal heating system with heating time estimation |
| CN110493909B (en) * | 2019-08-27 | 2022-09-30 | 上海点为智能科技有限责任公司 | Distributed radio frequency or microwave thawing equipment |
| CN110493909A (en) * | 2019-08-27 | 2019-11-22 | 上海点为智能科技有限责任公司 | Distributed radio frequency or microwave thawing equipment |
| WO2021036418A1 (en) * | 2019-08-27 | 2021-03-04 | 上海点为智能科技有限责任公司 | Distributed radio frequency or microwave thawing device |
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Application publication date: 20181116 |