CN106234557A - A kind of radio frequency power source and radio frequency thawing apparatus - Google Patents
A kind of radio frequency power source and radio frequency thawing apparatus Download PDFInfo
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- CN106234557A CN106234557A CN201610881243.XA CN201610881243A CN106234557A CN 106234557 A CN106234557 A CN 106234557A CN 201610881243 A CN201610881243 A CN 201610881243A CN 106234557 A CN106234557 A CN 106234557A
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- 238000010257 thawing Methods 0.000 title claims abstract description 37
- 239000003990 capacitor Substances 0.000 claims description 27
- 238000012360 testing method Methods 0.000 claims description 22
- 230000003993 interaction Effects 0.000 claims description 16
- 230000006978 adaptation Effects 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 235000013372 meat Nutrition 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Abstract
The present invention relates to radio frequency deforst technique field, be specifically related to a kind of radio frequency power source and radio frequency thawing apparatus.Radio frequency thawing apparatus includes radio frequency power source.Radio frequency power source includes frequency of phase locking source, controller, the first amplifier and phase-adjusting circuit, and the first amplifier is connected between frequency of phase locking source and phase-adjusting circuit, and controller is connected respectively with frequency of phase locking source and phase-adjusting circuit.Controller controls the frequency in frequency of phase locking source and is switched on or off with controlling frequency of phase locking source.Frequency of phase locking source produces the first signal under the control of the controller, and is transferred to the first amplifier.First amplifier produces secondary signal after being amplified by the first signal, and is sent to phase-adjusting circuit.Phase-adjusting circuit produces the 3rd signal after being adjusted the phase place of secondary signal and exports.It is arranged such so that frequency and the power of the 3rd signal of radio frequency power source output are controlled, thus improve and cause the problem of non-uniform temperature in frozen meat when thawing apparatus thaws.
Description
Technical field
The present invention relates to radio frequency deforst technique field, in particular to a kind of radio frequency power source and radio frequency thawing apparatus.
Background technology
Meat is carried out freezen protective and is to maintain a kind of preferably method that meat is stable, but freezing meat is solved
When freezing, the quality of the meat after thawing is had a significant impact by different defreezing methods.Traditional defreezing method include air thawing and
Water thawing, in course of defrosting, heat relies on thermaltransmission mode internally to transmit from cube meat surface, when such mode is not only thawed
Between long, high, the easy microbial contamination of juice loss rate etc. of meat in course of defrosting, make the quality variation of meat after defrosting.
In prior art, microwave can be used to the meat of defrosting freezen protective, but cube meat after using microwave oven to thaw
Surface temperature is big with central temperature difference, and the cube meat big for thickness is especially apparent.Reason be microwave frequency high (915MHz or
2450MHz), energy penetrating depths is little, and microwave is about 4cm to the penetration depth of meat, and microwave is penetrated in cube meat from cube meat surface
During portion, the rate of decay is quickly, results even in the ripening of cube meat surface and even burns and inside is still in freezing state.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of radio frequency power source so that penetrating of the output of radio frequency power source
Frequently frequency and the power of signal are controlled.
Another object of the present invention is to provide a kind of thawing apparatus, frequency and power including the radiofrequency signal exported can
The radio frequency power source of control, causes non-uniform temperature in frozen meat to improve after frozen meat is thawed by thawing apparatus in prior art
Problem, and improve the problem that nature defrosting needs the long period.
For achieving the above object, the present invention is achieved in that
A kind of radio frequency power source, including frequency of phase locking source, controller, the first amplifier and phase-adjusting circuit, described the
One amplifier is connected between described frequency of phase locking source and described phase-adjusting circuit, described controller and described frequency of phase locking source
Connect respectively with phase-adjusting circuit.
Described controller is switched on or off for the frequency and the described frequency of phase locking source of control controlling described frequency of phase locking source；
Described frequency of phase locking source is for producing the first signal under the control of described controller, and is transferred to by described first signal described
First amplifier；Described first amplifier produces secondary signal after be amplified by described first signal, and by described the
Binary signal is sent to described phase-adjusting circuit；Described phase-adjusting circuit is for being adjusted the phase place of described secondary signal
Rear generation the 3rd signal also exports described 3rd signal.
Optionally, in above-mentioned radio frequency power source, described radio frequency power source also includes and described phase-adjusting circuit and control
The power amplifier that device processed connects respectively, described controller is additionally operable to control described power amplifier and is turned on and off, described merit
Rate amplifier produces radiofrequency signal after receiving and amplify described 3rd signal that described phase-adjusting circuit exports, and exports
Described radiofrequency signal.
Optionally, in above-mentioned radio frequency power source, described radio frequency power source also includes being connected to described phase-adjusting circuit
And the second amplifier between described power amplifier, described second amplifier is connected with described controller, and described controller is also
Being turned on and off for controlling described second amplifier, described second amplifier is used for receiving and amplify described phase-adjusting circuit
Described 3rd signal of output be amplified after the 3rd signal, and the 3rd signal after described amplification is sent to described power
Amplifier, after the described power amplifier the 3rd signal after receiving and amplify the described amplification that described second amplifier exports
Produce described radiofrequency signal, and export described radiofrequency signal.
Optionally, in above-mentioned radio frequency power source, described radio frequency power source also includes being connected also with described power amplifier
Connecting the coaxial connector having coaxial cable, described coaxial connector is for the described radio frequency letter exported by described power amplifier
Number it is sent to described coaxial cable.
Optionally, in above-mentioned radio frequency power source, described radio frequency power source also include being connected to described power amplifier with
Power coupler between described coaxial connector, described power coupler is connected with described controller, and described controller is also used
Being switched on or off in controlling described power coupler, described power coupler is penetrated described in transmitting described power amplifier
Frequently the power of the feedback signal that the power of signal and described coaxial connector transmit detects, described feedback signal by described with
Axis cable feeds back to described coaxial connector.
Optionally, in above-mentioned radio frequency power source, described power coupler includes forward power testing circuit and reverse merit
Rate testing circuit；
Described forward power testing circuit is connected between described power amplifier and described coaxial connector, described forward
Power-sensing circuit is connected with described controller, and described forward power testing circuit is for detecting the power of described radiofrequency signal also
The power information of the described radiofrequency signal detected is transferred to described controller；
Described backward power testing circuit is connected between described power amplifier and described coaxial connector, described reversely
Power-sensing circuit is connected with described controller, and described backward power testing circuit is for detecting the power of described feedback signal also
The power information of described feedback signal is transferred to described controller.
Optionally, in above-mentioned radio frequency power source, described radio frequency power source also includes being connected to phase-adjusting circuit and
Electrically controlled attenuator between two amplifiers, described electrically controlled attenuator is connected with described controller, and described controller is additionally operable to obtain
The power information of described radiofrequency signal and the power information of described feedback signal, described electrically controlled attenuator is at described controller
Control under, regulate described 3rd signal according to the power information of the power information of described radiofrequency signal and described feedback signal
Power, and by the 3rd signal output after regulation power, described power amplifier receives and amplifies the after described regulation power
Generate described radiofrequency signal after three signals and export.
Optionally, in above-mentioned radio frequency power source, described radio frequency power source also includes man-machine with what described controller was connected
Interactive device, described human-computer interaction device is for showing that described controller sends the information to described human-computer interaction device.
Optionally, in above-mentioned radio frequency power source, described human-computer interaction device is liquid crystal touch screen.
On the basis of the above, the present invention also provides for a kind of radio frequency thawing apparatus, and described radio frequency thawing apparatus includes radio frequency
Orchestration, plane-parallel capacitor defrosting cavity and described radio frequency power source, described plane-parallel capacitor defrosting cavity includes parallel
Plate capacitor, described radio frequency adaptation is connected between described radio frequency power source and described plane-parallel capacitor.
The present invention provides a kind of radio frequency power source and radio frequency thawing apparatus, by arranging controller for controlling frequency of phase locking
The frequency in source and control frequency of phase locking source are switched on or off.Frequency of phase locking source produces the first signal under the control of the controller, and
First signal is transferred to the first amplifier.First amplifier produces secondary signal after being amplified by the first signal, and by the
Binary signal is sent to phase-adjusting circuit.Phase-adjusting circuit produces the 3rd signal also after being adjusted the phase place of secondary signal
Export the 3rd signal.It is arranged so that frequency and the power of the 3rd signal that radio frequency power source exports are controlled, to improve defrosting
The problem of non-uniform temperature in frozen meat is caused when device thaws.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by embodiment required use attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to this
A little accompanying drawings obtain other relevant accompanying drawings.
The connection block diagram of a kind of radio frequency thawing apparatus that Fig. 1 provides for the embodiment of the present invention.
The connection block diagram of a kind of radio frequency power source that Fig. 2 provides for the embodiment of the present invention.
Another of a kind of radio frequency power source that Fig. 3 provides for the embodiment of the present invention connects block diagram.
Another of a kind of radio frequency power source that Fig. 4 provides for the embodiment of the present invention connects block diagram.
Icon: 10-radio frequency power source；20-radio frequency adaptation；30-plane-parallel capacitor defrosting cavity；40-coaxial cable；
110-frequency of phase locking source；130-controller；150-the first amplifier；170-phase-adjusting circuit；190-electrically controlled attenuator；210-
Second amplifier；230-power amplifier；250-power coupler；252-forward power testing circuit；254-backward power is examined
Slowdown monitoring circuit；270-coaxial connector；290-human-computer interaction device.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Generally implement with the present invention illustrated described in accompanying drawing herein
The assembly of example can be arranged with various different configurations and design.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In describing the invention, it should be noted that term " on ", the orientation of the instruction such as " interior " or position relationship be base
In orientation shown in the drawings or position relationship, or the orientation usually put when this invention product uses or position relationship, only
It is for the ease of the description present invention and to simplify description rather than instruction or imply that the device of indication or element must have specifically
Orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.In describing the invention, need
It is noted that term " first ", " second ", " the 3rd " etc. are only used for distinguishing to describe, and it is not intended that indicate or hint phase
To importance.
As it is shown in figure 1, the embodiment of the present invention provides a kind of radio frequency thawing apparatus, described radio frequency thawing apparatus includes radio frequency merit
Rate source 10, radio frequency adaptation 20 and plane-parallel capacitor defrosting cavity 30, described plane-parallel capacitor defrosting cavity 30 includes putting down
Parallel plate capacitor, described radio frequency adaptation 20 is connected between described radio frequency power source 10 and described plane-parallel capacitor.Described
Radio frequency power source 10 is connected by coaxial cable 40 with described radio frequency adaptation 20.
Described radio frequency power source 10 is for providing radio-frequency power to described plane-parallel capacitor, so that described parallel plate capacitor
Forming the strongest electric field before the two poles of the earth of device, after being put between plane-parallel capacitor by frozen meat, the hydrone in frozen meat is at forceful electric power
Strenuous exercise under the effect of field, thus reach the purpose of quick-thawing.
It should be noted that described radio frequency adaptation 20 is to connect described plane-parallel capacitor and described radio frequency power source 10
Important devices.Under normal circumstances, described radio frequency power source 10 exports radio-frequency power is defeated under the load of standard 50 Ω impedance
Going out, the impedance of described plane-parallel capacitor is far short of what is expected with 50 Ω phases, when described radio frequency power source 10 and described parallel plate capacitor
When device is directly connected to, described plane-parallel capacitor can reflect power greatly and, to described radio frequency power source 10, cause described
Actual power on plane-parallel capacitor is not mated with the power of the radiofrequency signal that described radio frequency power source 10 exports, and when anti-
Penetrate power the biggest time also result in the duty of described radio frequency power source 10 and change, even damage described radio frequency power source
10, therefore between described radio frequency power source 10 and described plane-parallel capacitor, add radio frequency adaptation 20, can make described
The standard that is impedance-matched to 50 Ω of plane-parallel capacitor, so that described plane-parallel capacitor defrosting cavity 30 is operated in optimal shape
State.
As in figure 2 it is shown, the embodiment of the present invention provides a kind of radio frequency power source 10, it includes frequency of phase locking source 110, controller
130, the first amplifier 150 and phase-adjusting circuit 170, described first amplifier 150 be connected to described frequency of phase locking source 110 with
Between described phase-adjusting circuit 170, described controller 130 and described frequency of phase locking source 110 and phase-adjusting circuit 170 difference
Connect.
The signal frequency that described controller 130 produces for controlling described frequency of phase locking source 110 and the described phase-locked frequency of control
Rate source 110 is switched on or off.Described controller 130 can be microcontroller, prestores control described in described controller 130
The instruction of frequency size that frequency of phase locking source 110 produces and control the instruction that described frequency of phase locking source 110 is switched on or off.Specifically
, described frequency of phase locking source 110 is used for producing the first signal under the control of described controller 130, and by described first signal
It is transferred to described first amplifier 150.
It should be noted that described frequency of phase locking source 110 is the one of solid state microwave sources, use semiconductor transistor with solid
State transverse diffusion metal oxide semiconductor device.Described frequency of phase locking source 110 includes phase discriminator, loop filter and voltage-controlled shakes
Dynamic device, described frequency of phase locking source 110 has that frequency stability is high, phase noise is low, sets up soon without spur performance, frequency and be prone to
The feature such as integrated.The signal frequency that described frequency of phase locking source 110 produces can be 13.56MHz, 433MHz etc., does not limits at this
System.
Owing to the energy value of the first signal of described frequency of phase locking source 110 generation is relatively low, it is impossible to be directly transmitted, therefore
Described first amplifier 150 produces secondary signal after being amplified by described first signal, and described secondary signal is passed
Deliver to described phase-adjusting circuit 170.The amplification of described first amplifier 150 carries out choosing according to practical situation,
It is not particularly limited at this.
The phase place of described secondary signal is adjusted under the control of described controller 130 by described phase-adjusting circuit 170
Produce the 3rd signal after whole and export described 3rd signal.Described controller 130 is additionally operable to control described phase-adjusting circuit 170
It is turned on and off.
As it is shown on figure 3, optional, described radio frequency power source 10 also includes and described phase-adjusting circuit 170 and controller
The power amplifier 230 that 130 connect respectively, described controller 130 is additionally operable to control described power amplifier 230 and opens or close
Closing, described power amplifier 230 produces after receiving and amplify described 3rd signal that described phase-adjusting circuit 170 exports
Radiofrequency signal, and export described radiofrequency signal.
Optionally, described radio frequency power source 10 also includes being connected to described phase-adjusting circuit 170 and described power amplification
The second amplifier 210 between device 230, described second amplifier 210 is connected with described controller 130, and described controller 130 is also
Being turned on and off for controlling described second amplifier 210, described second amplifier 210 is used for receiving and amplify described phase place and adjusts
Described 3rd signal of whole circuit 170 output be amplified after the 3rd signal, and by the 3rd signal transmission after described amplification
To described power amplifier 230.Described power amplifier 230 is for receiving and amplify the institute of described second amplifier 210 output
Produce described radiofrequency signal after stating the 3rd signal after amplification, and export described radiofrequency signal.
It should be noted that the 3rd signal after the amplification of described second amplifier 210 output is used for driving described power
Amplifier 230, so that described power amplifier 230 exports the radiofrequency signal of rated power.User can be carried out according to practical situation
Choose described second amplifier 210 and/or the amplification of power amplifier 230, be not specifically limited at this.
Optionally, described radio frequency power source 10 also includes being connected with described power amplifier 230 and connecting have coaxial cable
The coaxial connector 270 of 40, described coaxial connector 270 is for the described radiofrequency signal exported by described power amplifier 230
It is sent to described coaxial cable 40, and there is the function of signal transmission.
As shown in Figure 4, optionally, described radio frequency power source 10 also includes being connected to described power amplifier 230 with described
Power coupler 250 between coaxial connector 270, described power coupler 250 is connected with described controller 130.Described control
Device 130 processed is additionally operable to control described power coupler 250 and is switched on or off.
Described power coupler 250 is used for power and the institute of the described radiofrequency signal to described power amplifier 230 transmits
The power stating the feedback signal that coaxial connector 270 transmits detects, and described feedback signal is anti-by described coaxial cable 40
It is fed to the signal of described coaxial connector 270.Concrete, when described coaxial cable 40 connects and has plane-parallel capacitor, described
Feedback signal is sent to described coaxial connector 270 by coaxial cable 40 by described plane-parallel capacitor.
Optionally, described power coupler 250 includes forward power testing circuit 252 and backward power testing circuit 254.
Described forward power testing circuit 252 be connected to described power amplifier 230 and described coaxial connector 270 it
Between, described forward power testing circuit 252 is connected with described controller 130, and described forward power testing circuit 252 is used for detecting
The power information of the described radiofrequency signal detected also is transferred to described controller 130 by the power of described radiofrequency signal.
Described backward power testing circuit 254 be connected to described power amplifier 230 and described coaxial connector 270 it
Between, described backward power testing circuit 254 is connected with described controller 130, and described backward power testing circuit 254 is used for detecting
The power information of described feedback signal is also transferred to described controller 130 by the power of described feedback signal.
Optionally, described radio frequency power source 10 also includes being connected between phase-adjusting circuit 170 and the second amplifier 210
Electrically controlled attenuator 190, described electrically controlled attenuator 190 is connected with described controller 130, described controller 130 be additionally operable to receive
The power information of described radiofrequency signal and the power information of described feedback signal, and send control to described electrically controlled attenuator 190
The control instruction that described electrically controlled attenuator 190 is switched on or off.Described electrically controlled attenuator 190 is at described controller 130
Under control, regulate the merit of described 3rd signal according to the power information of described radiofrequency signal and the power information of described feedback signal
Rate, and by the 3rd signal output after regulation power, described power amplifier 230 receives and amplifies the after described regulation power
Generate described radiofrequency signal after three signals and export, so that the power of the described radiofrequency signal of described radio frequency power source 10 output can
Control.
Understand the frequency information of radiofrequency signal, power information and the work that radio frequency power source 10 is launched the most in real time
Temperature etc., in the present embodiment, described radio frequency power source 10 also includes human-computer interaction device 290, described human-computer interaction device 290
Being connected with described controller 130, described human-computer interaction device 290 is used for showing that described controller 130 sends to described man-machine friendship
The information of device 290 mutually, described controller 130 sends the frequency letter that the information of extremely described man-machine interaction can be radiofrequency signal
One or more in breath, the power information of radiofrequency signal, temperature information, operating current value information.User can also pass through institute
Stating human-computer interaction device 290 and input control instruction to described controller 130, such as user can pass through described human-computer interaction device
290 select the frequency of described radio frequency power sources 10, change the watt level of described radio frequency power source 10.Described human-computer interaction device
290 may is that button, display, touch screen etc., and in the present embodiment, optionally, described human-computer interaction device 290 is liquid crystal
Touch screen.
To sum up, the invention provides a kind of radio frequency power source 10 and radio frequency thawing apparatus, described radio frequency thawing apparatus includes
Described radio frequency power source 10, radio frequency adaptation 20 and plane-parallel capacitor defrosting cavity 30.Described radio frequency power source 10 includes lock
Phase frequency source 110, controller the 130, first amplifier 150, phase-adjusting circuit 170, electrically controlled attenuator the 190, second amplifier
210, power amplifier 230, power coupler 250 and coaxial connector 270, by designing connection dexterously so that radio frequency merit
Described RF signal power and frequency that rate source 10 sends are controlled, thus improve and cause frozen meat middle temperature when thawing apparatus thaws
Spend uneven problem.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " arrange ",
" connect " and should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, can understand that above-mentioned term is in the present invention with concrete condition
In concrete meaning.
Therefore, detailed description to the embodiments of the invention provided in the accompanying drawings is not intended to limit claimed below
The scope of the present invention, but be merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into the model of present invention protection
Enclose.
The foregoing is only the preferred embodiment of the present invention, be not limited to the present invention, for this area
For technical staff, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made is any
Amendment, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a radio frequency power source, it is characterised in that include that frequency of phase locking source, controller, the first amplifier and phase place adjust electricity
Road, described first amplifier is connected between described frequency of phase locking source and described phase-adjusting circuit, and described controller is with described
Frequency of phase locking source and phase-adjusting circuit connect respectively；
Described controller is switched on or off for the frequency and the described frequency of phase locking source of control controlling described frequency of phase locking source；Described
Frequency of phase locking source is for producing the first signal under the control of described controller, and described first signal is transferred to described first
Amplifier；Described first amplifier produces secondary signal after being amplified by described first signal, and by described second letter
Number it is sent to described phase-adjusting circuit；Described phase-adjusting circuit produces after being adjusted the phase place of described secondary signal
Raw 3rd signal also exports described 3rd signal.
Radio frequency power source the most according to claim 1, it is characterised in that described radio frequency power source also includes and described phase place
Adjust the power amplifier that circuit and controller connect respectively, described controller be additionally operable to control described power amplifier open or
Closing, described power amplifier produces radio frequency after receiving and amplify described 3rd signal that described phase-adjusting circuit exports
Signal, and export described radiofrequency signal.
Radio frequency power source the most according to claim 2, it is characterised in that described radio frequency power source also includes being connected to described
The second amplifier between phase-adjusting circuit and described power amplifier, described second amplifier is connected with described controller,
Described controller is additionally operable to control described second amplifier and is turned on and off, and described second amplifier is for receiving and amplifying described
Phase-adjusting circuit output described 3rd signal be amplified after the 3rd signal, and by after described amplification the 3rd signal pass
Delivering to described power amplifier, described power amplifier is after receiving and amplify the described amplification that described second amplifier exports
The 3rd signal after produce described radiofrequency signal, and export described radiofrequency signal.
Radio frequency power source the most according to claim 2, it is characterised in that described radio frequency power source also includes and described power
Amplifier connects and connects the coaxial connector having coaxial cable, and described coaxial connector is for exporting described power amplifier
Described radiofrequency signal be sent to described coaxial cable.
Radio frequency power source the most according to claim 4, it is characterised in that described radio frequency power source also includes being connected to described
Power coupler between power amplifier and described coaxial connector, described power coupler is connected with described controller, institute
Stating controller to be additionally operable to control described power coupler and be switched on or off, described power coupler is for described power amplifier
The power of the feedback signal that the power of the described radiofrequency signal transmitted and described coaxial connector transmit detects, described feedback
Signal is fed back to described coaxial connector by described coaxial cable.
Radio frequency power source the most according to claim 5, it is characterised in that described power coupler includes that forward power detects
Circuit and backward power testing circuit；
Described forward power testing circuit is connected between described power amplifier and described coaxial connector, described forward power
Testing circuit is connected with described controller, and described forward power testing circuit is for detecting the power of described radiofrequency signal and will examine
The power information of the described radiofrequency signal measured is transferred to described controller；
Described backward power testing circuit is connected between described power amplifier and described coaxial connector, described backward power
Testing circuit is connected with described controller, and described backward power testing circuit is for detecting the power of described feedback signal and by institute
The power information stating feedback signal is transferred to described controller.
Radio frequency power source the most according to claim 6, it is characterised in that described radio frequency power source also includes being connected to phase place
Adjusting the electrically controlled attenuator between circuit and the second amplifier, described electrically controlled attenuator is connected with described controller, described control
Device is additionally operable to obtain the power information of described radiofrequency signal and the power information of described feedback signal, and described electrically controlled attenuator is used for
Under the control of described controller, regulate institute according to the power information of described radiofrequency signal and the power information of described feedback signal
State the power of the 3rd signal, and by the 3rd signal output after regulation power, described power amplifier receives and amplifies described tune
Generate described radiofrequency signal after the 3rd signal after joint power and export.
Radio frequency power source the most according to claim 1, it is characterised in that described radio frequency power source also includes and described control
The human-computer interaction device that device connects, described human-computer interaction device is used for showing that described controller sends to described human-computer interaction device
Information.
Radio frequency power source the most according to claim 8, it is characterised in that described human-computer interaction device is liquid crystal touch screen.
10. a radio frequency thawing apparatus, it is characterised in that include radio frequency adaptation, plane-parallel capacitor defrosting cavity and right
Requiring any one described radio frequency power source of 1-9, described plane-parallel capacitor defrosting cavity includes plane-parallel capacitor, described
Radio frequency adaptation is connected between described radio frequency power source and described plane-parallel capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610881243.XA CN106234557A (en) | 2016-10-10 | 2016-10-10 | A kind of radio frequency power source and radio frequency thawing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610881243.XA CN106234557A (en) | 2016-10-10 | 2016-10-10 | A kind of radio frequency power source and radio frequency thawing apparatus |
Publications (1)
| Publication Number | Publication Date |
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| CN106234557A true CN106234557A (en) | 2016-12-21 |
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| CN201610881243.XA Pending CN106234557A (en) | 2016-10-10 | 2016-10-10 | A kind of radio frequency power source and radio frequency thawing apparatus |
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|---|---|
| CN (1) | CN106234557A (en) |
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| CN114245504A (en) * | 2020-09-09 | 2022-03-25 | 广东美的厨房电器制造有限公司 | Semiconductor power source and microwave heating device |
| US11382190B2 (en) | 2017-12-20 | 2022-07-05 | Nxp Usa, Inc. | Defrosting apparatus and methods of operation thereof |
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| US11632829B2 (en) | 2016-08-05 | 2023-04-18 | Nxp Usa, Inc. | Apparatus and methods for detecting defrosting operation completion |
| CN106858270A (en) * | 2017-02-27 | 2017-06-20 | 成都沃特塞恩电子技术有限公司 | Microwave thawing cavity and device |
| CN106989555A (en) * | 2017-05-24 | 2017-07-28 | 合肥美菱股份有限公司 | A kind of refrigerator with defrosting function |
| WO2018223948A1 (en) * | 2017-06-06 | 2018-12-13 | 青岛海尔股份有限公司 | Thawing method for thawing apparatus |
| CN109588614A (en) * | 2017-11-07 | 2019-04-09 | 恩智浦美国有限公司 | Device and method for the defrosting operation in RF heating system |
| CN109588614B (en) * | 2017-11-07 | 2022-07-05 | 恩智浦美国有限公司 | Apparatus and method for defrost operation in RF heating system |
| CN109845949A (en) * | 2017-12-15 | 2019-06-07 | 恩智浦美国有限公司 | Radio frequency heating and thawing equipment with shunt capacitor in chamber |
| CN109845949B (en) * | 2017-12-15 | 2023-06-09 | 恩智浦美国有限公司 | Radio frequency heating and thawing equipment with capacitor connected in parallel in cavity |
| US11382190B2 (en) | 2017-12-20 | 2022-07-05 | Nxp Usa, Inc. | Defrosting apparatus and methods of operation thereof |
| CN109990553B (en) * | 2017-12-29 | 2021-02-26 | 海尔智家股份有限公司 | Refrigerator with a door |
| CN109990553A (en) * | 2017-12-29 | 2019-07-09 | 青岛海尔股份有限公司 | Refrigerator |
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| US11166352B2 (en) | 2018-12-19 | 2021-11-02 | Nxp Usa, Inc. | Method for performing a defrosting operation using a defrosting apparatus |
| CN110972345A (en) * | 2018-12-19 | 2020-04-07 | 恩智浦美国有限公司 | Method for performing thawing operation using thawing apparatus |
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| CN113915823A (en) * | 2020-12-02 | 2022-01-11 | 海信（山东）冰箱有限公司 | Thawing refrigerator and control method thereof |
| CN112596573B (en) * | 2020-12-14 | 2021-10-12 | 成都沃特塞恩电子技术有限公司 | Power source control method and device, electronic equipment and storage medium |
| CN112596573A (en) * | 2020-12-14 | 2021-04-02 | 成都沃特塞恩电子技术有限公司 | Power source control method and device, electronic equipment and storage medium |
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