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CN206213147U - A kind of radio frequency thawing apparatus - Google Patents

A kind of radio frequency thawing apparatus Download PDF

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Publication number
CN206213147U
CN206213147U CN201621124309.2U CN201621124309U CN206213147U CN 206213147 U CN206213147 U CN 206213147U CN 201621124309 U CN201621124309 U CN 201621124309U CN 206213147 U CN206213147 U CN 206213147U
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China
Prior art keywords
radio frequency
signal
amplifier
pole plate
source
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CN201621124309.2U
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Chinese (zh)
Inventor
李俊宏
杨华
王彦斌
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Chengdu Wattsine Electronic Technology Co Ltd
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Chengdu Wattsine Electronic Technology Co Ltd
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Priority to CN201621124309.2U priority Critical patent/CN206213147U/en
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Abstract

The utility model is related to radio frequency arts, and in particular to a kind of radio frequency thawing apparatus, it includes:Radio frequency source, radio frequency adaptation, defrosting device and control device.Radio frequency adaptation is connected between radio frequency source and defrosting device, and radio frequency source and radio frequency adaptation are connected with control device respectively.Radio frequency source is used to produce radiofrequency signal and send to defrosting device radiofrequency signal by radio frequency adaptation, the power information of the reflected signal that control device is used in the power information and defrosting device of the radiofrequency signal for receiving radio frequency source generation, and the power information and the power information of reflected signal according to radiofrequency signal send control signal to radio frequency adaptation, radio frequency adaptation is used to carry out impedance matching according to control signal.Being arranged such makes the reflection signal power of defrosting device reach minimum, plays a part of to protect radio frequency source.

Description

A kind of radio frequency thawing apparatus
Technical field
The utility model is related to radio frequency arts, in particular to a kind of radio frequency thawing apparatus.
Background technology
When being thawed to being defrosted article using thawing apparatus, the output radio-frequency power of radio frequency source is in the Ω of standard 50 resistances Exported under anti-load, and the impedance of defrosting device is far short of what is expected with 50 Ω phases, radio frequency source is joined directly together when connecing with defrosting device, Having a big chunk power can reflex to radio frequency source, cause power of the reality on the plane-parallel capacitor in defrosting device very Small, reflection power too conference in addition causes the working condition of radio frequency source to change, or even damage radio frequency source.
Utility model content
The purpose of this utility model is to provide a kind of radio frequency thawing apparatus, by setting radio frequency source, radio frequency adaptation, solution Freeze device and control device, the energy of the radiofrequency signal of radio frequency source generation is transferred to radio frequency defrosting device to greatest extent In for being thawed to being defrosted article, the reflection signal power of defrosting device reaches minimum, plays the work of protection radio frequency source With.
A kind of radio frequency thawing apparatus that the utility model is provided, including:Radio frequency source, radio frequency adaptation, defrosting device and control Device processed.
The radio frequency source is connected with the input of the radio frequency adaptation, the output end of the radio frequency adaptation and the solution Freeze device connection, the radio frequency source and radio frequency adaptation are connected with the control device respectively.
The radio frequency source is used to produce radiofrequency signal and send to institute the radiofrequency signal by the radio frequency adaptation State defrosting device.The control device is used to receive the power information and the Unfreezing apparatus of the radiofrequency signal that the radio frequency source is produced The power information of the reflected signal in part, and power information and the power information of reflected signal according to the radiofrequency signal is to institute State radio frequency adaptation and send control signal.The radio frequency adaptation is used to carry out impedance matching according to the control signal.
The radio frequency source, defrosting device and control device are arranged in a housing.
Optionally, in above-mentioned radio frequency thawing apparatus, the radio frequency thawing apparatus is also included for display and receive information Human-computer interaction device, the human-computer interaction device is connected with the control device, and the human-computer interaction device is arranged at described Surface of shell.
Optionally, in above-mentioned radio frequency thawing apparatus, the housing includes the first accommodating chamber and the second accommodating chamber, institute State defrosting device and be arranged at first accommodating chamber, the radio frequency source, radio frequency adaptation and control device are arranged at described Two accommodating chambers.
Optionally, in above-mentioned radio frequency thawing apparatus, first accommodating chamber and the second accommodating chamber pass through a through hole Connection, the radio frequency adaptation is connected with the defrosting device by through the cable of the through hole.
Optionally, in above-mentioned radio frequency thawing apparatus, the radio frequency source includes frequency of phase locking source, the first amplifier, phase Adjustment circuit, the second amplifier, power amplifier and coaxial connector.
The frequency of phase locking source is connected with the input of first amplifier, and the phase-adjusting circuit is connected to described Between the input of the output end of the first amplifier and second amplifier, output end and the work(of second amplifier The input connection of rate amplifier, the output end of the power amplifier is connected with the coaxial connector, the phase adjustment Circuit, the second amplifier and power amplifier are connected with the control device respectively.
The frequency of phase locking source is used to produce the first signal, and first signal is sent into first amplifier; First amplifier is used to produce secondary signal after amplifying first signal, and the secondary signal is sent into the phase Position adjustment circuit;The phase-adjusting circuit incites somebody to action described for producing the 3rd signal after the phase for adjusting the secondary signal 3rd signal is sent to second amplifier;Second amplifier is used to amplify the 3rd signal, and by the amplification The 3rd signal afterwards is sent to the power amplifier, and the power amplifier is used to amplify the 3rd letter after the amplification again The radiofrequency signal is produced after number and is exported by the coaxial connector.
Optionally, in above-mentioned radio frequency thawing apparatus, the frequency of phase locking source, the first amplifier, phase-adjusting circuit, , in a box body, the coaxial connector is arranged on the box body for two amplifiers and power amplifier package.
Optionally, in above-mentioned radio frequency thawing apparatus, the defrosting device includes insulated cavity, casing and parallel plate capacitor Device, the insulated cavity is arranged at the inside of the casing, and the casing includes upper bottom surface and bottom surface, the plane-parallel capacitor Including the first pole plate and the second pole plate, first pole plate is arranged between the upper bottom surface and the insulated cavity, and described second Pole plate is arranged between the insulated cavity and the bottom surface, and the insulated cavity is defrosted article, first pole for placement Plate is connected with the output end of the radio frequency adaptation, the second pole plate ground connection.
Optionally, in above-mentioned radio frequency thawing apparatus, the one side of first pole plate fits in the upper bottom surface, another Side fits in the insulated cavity, the one side of second pole plate fit in the bottom surface, another side fit in it is described Insulated cavity.
Optionally, in above-mentioned radio frequency thawing apparatus, the casing is made up of metal material, first pole plate with it is described Insulating barrier is provided between upper bottom surface, insulating barrier is provided between second pole plate and the bottom surface.
Optionally, in above-mentioned radio frequency thawing apparatus, the radio frequency adaptation includes inductance, the first tunable capacitor and second Tunable capacitor, described first tunable capacitor one end is connected to ground, the other end is connected with one end of the inductance, the inductance it is another One end is connected with one end of second tunable capacitor, and the other end of second tunable capacitor is connected to ground, the control dress Put and be connected respectively with first tunable capacitor and second tunable capacitor, the radio frequency source is with first tunable capacitor simultaneously Connection, the defrosting device is in parallel with second tunable capacitor.
A kind of radio frequency thawing apparatus that the utility model embodiment is provided, by setting radio frequency source, radio frequency adaptation, defrosting Device and control device.The radio frequency source is connected with the input of the radio frequency adaptation, the output end of the radio frequency adaptation It is connected with the defrosting device, the radio frequency source, radio frequency adaptation and defrosting device are connected with the control device respectively.So Setting enables the energy of the radiofrequency signal of radio frequency source generation to be used for being solved in being transferred to radio frequency defrosting device to greatest extent Freeze article to be thawed, the reflection signal power of defrosting device reaches minimum, play a part of to protect radio frequency source.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below will be to be used needed for embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also Other related accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 shows a kind of connection block diagram of radio frequency thawing apparatus that the utility model embodiment is provided.
Fig. 2 shows a kind of structural representation of radio frequency thawing apparatus that the utility model embodiment is provided.
Fig. 3 shows a kind of connection block diagram of radio frequency source that the utility model embodiment is provided.
Fig. 4 shows a kind of structural representation of defrosting device that the utility model embodiment is provided.
Fig. 5 shows a kind of schematic diagram of radio frequency adaptation that the utility model embodiment is provided.
Icon:10- radio frequency sources;20- radio frequency adaptations;30- defrosting devices;40- control devices;50- housings;70- cables; 80- power couplers;90- electrically controlled attenuators;110- frequency of phase locking source;The amplifiers of 120- first;130- phase-adjusting circuits; The amplifiers of 140- second;150- power amplifiers;160- coaxial connectors;310- plane-parallel capacitors;The pole plates of 312- first; The pole plates of 314- second;320- insulated cavities;330- casings;332- upper bottom surfaces;334- bottom surfaces;510- dividing plates;520- first is accommodated Chamber;The accommodating chambers of 530- second;The tunable capacitors of C1- first;The tunable capacitors of C2- second;L- inductance.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.Generally retouched in accompanying drawing herein The component of the utility model embodiment stated and show can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.Of the present utility model In description, term " first, second " etc. is only used for distinguishing description, and it is not intended that being or hint relative importance.
As shown in figure 1, the utility model provides a kind of radio frequency thawing apparatus, it includes radio frequency source 10, radio frequency adaptation 20th, defrosting device 30 and control device 40.The radio frequency source 10 is connected with the input of the radio frequency adaptation 20, the radio frequency The output end of adaptation 20 is connected with the defrosting device 30, the radio frequency source 10 and radio frequency adaptation 20 respectively with the control Device 40 is connected.
The radio frequency source 10 is used to produce radiofrequency signal and is sent the radiofrequency signal by the radio frequency adaptation 20 To the defrosting device 30, the control device 40 be used for the radiofrequency signal for receiving the generation of the radio frequency source 10 power information and The power information of the reflected signal in the defrosting device 30, and power information according to the radiofrequency signal and reflected signal Power information sends control signal to the radio frequency adaptation 20, and the radio frequency adaptation 20 is used to be entered according to the control signal Row impedance matching.
Incorporated by reference to Fig. 2, the radio frequency source 10, defrosting device 30 and control device 40 are arranged in a housing 50, the shell Body 50 has accommodating chamber.In the present embodiment, it is provided with dividing plate 510 in the housing 50, the dividing plate 510 is by institute's accommodating chamber Room is divided into the first accommodating chamber 520 and the second accommodating chamber 530, and the defrosting device 30 is arranged at first accommodating chamber 520, the control device 40, radio frequency source 10 and radio frequency adaptation 20 are arranged at second accommodating chamber 530.The dividing plate Through hole is provided with 510, first accommodating chamber 520 is connected with the second accommodating chamber 530 by the through hole, the radio frequency Adaptation 20 is connected with the defrosting device 30 by the cable 70 through the through hole.
Understand frequency information, power information and the operating temperature of the radiofrequency signal of the transmitting of radio frequency source 10 in real time for the convenience of the user Deng in the present embodiment, the surface of the housing 50 is provided with human-computer interaction device (not shown).The human-computer interaction device It is connected with the control device 40, the human-computer interaction device is used to show that the control device 40 is sent to the man-machine interaction The information of device, the control device 40 is sent to the frequency that the information of the human-computer interaction device can be radiofrequency signal to be believed One or more in breath, the power information of radiofrequency signal, temperature information, operating current value information.User can also be by institute State human-computer interaction device and be input into control instruction to the control device 40, such as user can be selected by the human-computer interaction device The frequency of the radio frequency source 10, the watt level for changing the radio frequency source 10.The human-computer interaction device can be button, display Device, touch-screen etc., in the present embodiment, optionally, the human-computer interaction device is liquid crystal touch screen.
Incorporated by reference to Fig. 3, the radio frequency source 10 includes frequency of phase locking source 110, the first amplifier 120, phase-adjusting circuit 130th, the second amplifier 140, power amplifier 150 and coaxial connector 160.
The frequency of phase locking source 110 is connected with the input of first amplifier 120, the phase-adjusting circuit 130 It is connected between the input of the output end of first amplifier 120 and second amplifier 140, second amplifier 140 output end is connected with the input of the power amplifier 150, and the output end of the power amplifier 150 is same with described Mandrel connector 160 is connected, the phase-adjusting circuit 130, the second amplifier 140 and power amplifier 150 respectively with the control Device processed 40 is connected.
The frequency of phase locking source 110 is used to produce the first signal, and first signal is sent into first amplification Device 120;First amplifier 120 is used to produce secondary signal after amplifying first signal, and the secondary signal is passed Deliver to the phase-adjusting circuit 130;The phase-adjusting circuit 130 is used to adjusting after the phase of the secondary signal and produces the Three signals, and the 3rd signal is sent to second amplifier 140;Second amplifier 140 is used to amplify described 3rd signal, and the 3rd signal after the amplification is sent to the power amplifier 150, the power amplifier 150 is used In producing the radiofrequency signal after the 3rd signal after amplifying the amplification again and exported by the coaxial connector 160.
It should be noted that the frequency of phase locking source 110 is one kind of solid state microwave sources, using semiconductor transistor and admittedly State transverse diffusion metal oxide semiconductor device.The frequency of phase locking source 110 includes phase discriminator, loop filter and voltage-controlled shakes Dynamic device, the frequency of phase locking source 110 has that frequency stability is high, phase noise is low, sets up fast without spur performance, frequency and be easy to Integrated the features such as.The signal frequency that the frequency of phase locking source 110 produces can be 13.56MHz, 433MHz etc., not limit herein System.
Because the energy value of the first signal of the frequency of phase locking source 110 generation is relatively low, it is impossible to be directly transmitted, therefore First amplifier 120 is used to produce secondary signal after first signal is amplified, and the secondary signal is passed Deliver to the phase-adjusting circuit 130.The multiplication factor of first amplifier 120 is chosen according to actual conditions, It is not particularly limited herein.
The 3rd signal after the amplification of the output of the second amplifier 140 is used to drive the power amplifier 150, so that The power amplifier 150 exports the radiofrequency signal of rated power.User can carry out selection described second and put according to actual conditions The multiplication factor of big device 140 and/or power amplifier 150, is not specifically limited herein.
Optionally, the frequency of phase locking source 110, the first amplifier 120, phase-adjusting circuit 130, the second amplifier 140 It is packaged in a box body with power amplifier 150, the coaxial connector 160 is arranged on the box body.To facilitate user to pacify Dress is used.
Incorporated by reference to Fig. 4, the defrosting device 30 includes plane-parallel capacitor 310, insulated cavity 320 and casing 330.It is described exhausted Edge chamber 320 is arranged at the inside of the casing 330, and the casing 330 includes upper bottom surface 332 and bottom surface 334, the parallel-plate Capacitor 310 includes the first pole plate 312 and the second pole plate 314, and first pole plate 312 is arranged at the upper bottom surface 332 and institute State between insulated cavity 320, second pole plate 314 is arranged between the insulated cavity 320 and the bottom surface 334, it is described exhausted Edge chamber 320 is defrosted article for placement, and first pole plate 312 is connected with the output end of the radio frequency adaptation 20, described Second pole plate 314 is grounded.
It should be noted that it is insulated from each other between first pole plate 312 and second pole plate 314, and be parallel to each other, Equivalent and electrically opposite electric charge are distributed with the pole plate 314 of first pole plate 312 and second, and are distributed in relative two pole plates Inner side so as to form uniform electric field between first pole plate 312 and second pole plate 314.The plane-parallel capacitor 310 capacitance size and two facing areas of pole plate, distance between plates and whether to insert dielectric situation relevant.
To make the first pole plate 312 and 314 pairs, the second pole plate in the plane-parallel capacitor 310 be defrosted article and thaw When the power that consumes reach minimum, in the present embodiment, first pole plate 312 is with the facing area of the second pole plate 314 The distance between the area of the pole plate 314 of first pole plate 312 or second, first pole plate 312 and described second pole plate 314 Specific limitation is not done, and the size according to the insulated cavity 320 and encapsulating housing 50 is chosen.
The insulated cavity 320 can be made up of insulating materials, can also be made up of metal material and metal material surface Insulating barrier is provided with, as long as the insulated cavity 320 can be made with insulation effect.In the present embodiment, optionally, it is described exhausted Edge chamber 320 is made up of insulating materials.It is for being defrosted article especially in view of the defrosting chamber of the plane-parallel capacitor 310 Meat is thawed, therefore the insulating materials must have nonhazardous, high temperature resistant, corrosion-resistant and the features such as do not adhere to.Optionally, The insulating materials can be polytetrafluoroethylene (PTFE), polypropylene, Kynoar.In the present embodiment, the insulating materials is poly- Tetrafluoroethene.
Optionally, the one side of first pole plate 312 fit in the upper bottom surface 332, another side fit in it is described The body of insulated cavity 320, the one side of second pole plate 314 fits in the bottom surface 334, another side and fits in the insulation Chamber 320.
There is rf wave leakage and rf wave compatibility, the casing in use to avoid the defrosting device 30 330 are made up of metal material, specifically, the casing 330 is fabricated from iron.
Because iron is conductive, when being contacted with the plane-parallel capacitor 310, the casing 330 can be conductive, because This, is radio frequency wave energy is concentrated between first pole plate 312 and second pole plate 314, the upper bottom surface Insulating barrier is provided between 332 and first pole plate 312, is provided between the bottom surface 334 and second pole plate 314 Insulating barrier.Megohmite insulant is scribbled on the casing 330 and the contact surface of the pole plate 314 of first pole plate 312 and second.In this reality In applying example, optionally, be provided with insulating barrier between the upper bottom surface 332 and first pole plate 312, the bottom surface 334 with Insulating barrier is provided between second pole plate 314.The insulating barrier is made up of polytetrafluoroethylmaterial material.
When the radio frequency thawing apparatus works, the radio frequency source 10 is used to provide radio frequency to the plane-parallel capacitor 310 Power, so as to form very strong electric field before the two poles of the earth of the plane-parallel capacitor 310, plane-parallel capacitor is put into by frozen meat After between 310, hydrone in the frozen meat strenuous exercise in the presence of highfield, so as to reach the purpose of quick-thawing.
As shown in figure 5, optional, the radio frequency adaptation 20 includes inductance L, the first tunable capacitor C1 and the second adjustable electric Hold C2, described first tunable capacitor C1 one end is connected to ground, the other end is connected with one end of the inductance L, and the inductance L's is another One end is connected with one end of the second tunable capacitor C2, and the other end of the second tunable capacitor C2 is connected to ground, the control Device processed 40 is connected respectively with the first tunable capacitor C1 and the second tunable capacitor C2, the radio frequency source 10 and described One tunable capacitor C1 is in parallel, and the defrosting device 30 is in parallel with the second tunable capacitor C2.
It should be noted that the capacitance size of the first tunable capacitor C1 and the second tunable capacitor C2 does not do specific limit It is fixed, chosen according to actual conditions, adjusting the first tunable capacitor C1 can make the real part of load impedance be 50 ohm, Adjusting the second tunable capacitor C2 can make the imaginary part of load impedance be zero so that the load impedance is 50 Europe of purely resistive Nurse.
To sum up, a kind of radio frequency thawing apparatus that the utility model is provided, radio frequency source is connected to by by radio frequency adaptation 20 Between 10 and defrosting device 30 so that the reflection signal power of defrosting device 30 reaches minimum, the work of protection radio frequency source 10 is played With.Frequency of phase locking source 110, the first amplifier 120, phase-adjusting circuit 130, the second amplifier 140 are set in radio frequency source 10 Make the frequency of the radiofrequency signal controllable with power amplifier 150, so that in solving to be caused when thawing apparatus is thawed frozen meat The problem of non-uniform temperature.Plane-parallel capacitor 310, metal cabinet 330 and insulated cavity 320 are set in defrosting device 30 can be had Effect avoids rf wave from leaking and rf wave compatibility, radiofrequency signal is concentrated on plane-parallel capacitor 310.
In description of the present utility model, unless otherwise clearly defined and limited, term " setting ", " connected ", " company Connect " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or it is integrally connected;It can be machine Tool is connected, or electrically connected;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units Connection inside part.For the ordinary skill in the art, can understand that above-mentioned term is new in this practicality with concrete condition Concrete meaning in type.
Obviously, those skilled in the art should be understood that the function of above-mentioned the utility model embodiment can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted Network on, alternatively, the existing program code or algorithm that they can be can perform with computing device be realized, it is thus possible to It is stored in being performed by computing device in storage device, or they is fabricated to each integrated circuit modules respectively, Or be fabricated to single integrated circuit module to realize by the multiple modules or step in them.So, work(of the present utility model Can realize that being not restricted to any specific hardware and software combines.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (10)

1. a kind of radio frequency thawing apparatus, it is characterised in that including:Radio frequency source, radio frequency adaptation, defrosting device and control device;
The radio frequency source is connected with the input of the radio frequency adaptation, the output end of the radio frequency adaptation and the Unfreezing apparatus Part is connected, and the radio frequency source and radio frequency adaptation are connected with the control device respectively;
The radio frequency source is used to produce radiofrequency signal and send to the solution radiofrequency signal by the radio frequency adaptation Freeze device, the control device is used in the power information and the defrosting device for receive the radiofrequency signal that the radio frequency source is produced Reflected signal power information, and power information and the power information of reflected signal according to the radiofrequency signal penetrate to described Frequency adaptation sends control signal, and the radio frequency adaptation is used to carry out impedance matching according to the control signal;
The radio frequency source, defrosting device and control device are arranged in a housing.
2. radio frequency thawing apparatus according to claim 1, it is characterised in that the radio frequency thawing apparatus is also included for showing Show the human-computer interaction device with receive information, the human-computer interaction device is connected with the control device, the man-machine interaction dress Install and be placed in the surface of shell.
3. radio frequency thawing apparatus according to claim 1, it is characterised in that the housing includes the first accommodating chamber and the Two accommodating chambers, the defrosting device is arranged at first accommodating chamber, the radio frequency source, radio frequency adaptation and control device It is arranged at second accommodating chamber.
4. radio frequency thawing apparatus according to claim 3, it is characterised in that first accommodating chamber and the second accommodating chamber Room is connected by a through hole, and the radio frequency adaptation is connected with the defrosting device by through the cable of the through hole.
5. radio frequency thawing apparatus according to claim 1, it is characterised in that the radio frequency source includes frequency of phase locking source, the One amplifier, phase-adjusting circuit, the second amplifier, power amplifier and coaxial connector;
The frequency of phase locking source is connected with the input of first amplifier, and the phase-adjusting circuit is connected to described first Between the input of the output end of amplifier and second amplifier, output end and the power of second amplifier are put The input connection of big device, the output end of the power amplifier is connected with the coaxial connector, the phase-adjusting circuit, Second amplifier and power amplifier are connected with the control device respectively;
The frequency of phase locking source is used to produce the first signal, and first signal is sent into first amplifier;It is described First amplifier is used to produce secondary signal after amplifying first signal, and the secondary signal is sent into the phase tune Whole circuit;The phase-adjusting circuit is used to adjusting after the phase of the secondary signal and produces the 3rd signal, and by the described 3rd Signal is sent to second amplifier;Second amplifier is used to amplify the 3rd signal, and by after the amplification 3rd signal is sent to the power amplifier, after the power amplifier is used to amplify the 3rd signal after the amplification again Produce the radiofrequency signal and exported by the coaxial connector.
6. radio frequency thawing apparatus according to claim 5, it is characterised in that the frequency of phase locking source, the first amplifier, phase , in a box body, the coaxial connector is arranged at the box body for position adjustment circuit, the second amplifier and power amplifier package On.
7. radio frequency thawing apparatus according to claim 1, it is characterised in that the defrosting device includes insulated cavity, casing And plane-parallel capacitor, the insulated cavity is arranged at the inside of the casing, and the casing includes upper bottom surface and bottom surface, described Plane-parallel capacitor include the first pole plate and the second pole plate, first pole plate be arranged at the upper bottom surface and the insulated cavity it Between, second pole plate is arranged between the insulated cavity and the bottom surface, and the insulated cavity is defrosted article for placement, First pole plate is connected with the output end of the radio frequency adaptation, the second pole plate ground connection.
8. radio frequency thawing apparatus according to claim 7, it is characterised in that the one side of first pole plate fits in institute State upper bottom surface, another side and fit in the insulated cavity, the one side of second pole plate fits in the bottom surface, opposite side Face fits in the insulated cavity.
9. radio frequency thawing apparatus according to claim 8, it is characterised in that the casing is made up of metal material, described Insulating barrier is provided between first pole plate and the upper bottom surface, insulation is provided between second pole plate and the bottom surface Layer.
10. radio frequency thawing apparatus according to claim 1, it is characterised in that the radio frequency adaptation include inductance (L), First tunable capacitor (C1) and the second tunable capacitor (C2), described first tunable capacitor (C1) one end is connected to ground, the other end with One end connection of the inductance (L), the other end of the inductance (L) is connected with one end of second tunable capacitor (C2), institute The other end for stating the second tunable capacitor (C2) is connected to ground, the control device and first tunable capacitor (C1) and described Two tunable capacitors (C2) are connected respectively, and the radio frequency source is in parallel with first tunable capacitor (C1), the defrosting device and institute State the second tunable capacitor (C2) in parallel.
CN201621124309.2U 2016-10-14 2016-10-14 A kind of radio frequency thawing apparatus Active CN206213147U (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108521691A (en) * 2018-03-19 2018-09-11 上海点为智能科技有限责任公司 Radio frequency defrosting heating equipment
CN108576560A (en) * 2018-05-22 2018-09-28 成都沃特塞恩电子技术有限公司 Defrosting cavity and radio frequency thawing apparatus
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
CN110030788A (en) * 2018-03-29 2019-07-19 恩智浦美国有限公司 Defrosting equipment and its operating 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
WO2020140713A1 (en) * 2019-01-04 2020-07-09 海尔智家股份有限公司 Electromagnetic wave generating system and heating apparatus having same
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
US10917948B2 (en) 2017-11-07 2021-02-09 Nxp Usa, Inc. Apparatus and methods for defrosting operations in an RF heating system
US10917065B2 (en) 2017-11-17 2021-02-09 Nxp Usa, Inc. RF heating system with phase detection for impedance network tuning
US10952289B2 (en) 2018-09-10 2021-03-16 Nxp Usa, Inc. Defrosting apparatus with 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
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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
US11382190B2 (en) 2017-12-20 2022-07-05 Nxp Usa, Inc. Defrosting apparatus and methods of operation thereof
US11632829B2 (en) 2016-08-05 2023-04-18 Nxp Usa, Inc. Apparatus and methods for detecting defrosting operation completion
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US11039512B2 (en) 2016-08-05 2021-06-15 Nxp Usa, Inc. Defrosting apparatus with lumped inductive matching network and methods of operation thereof
US10917948B2 (en) 2017-11-07 2021-02-09 Nxp Usa, Inc. Apparatus and methods for defrosting operations in an RF heating system
US10917065B2 (en) 2017-11-17 2021-02-09 Nxp Usa, Inc. RF heating system with phase detection for impedance network tuning
US11382190B2 (en) 2017-12-20 2022-07-05 Nxp Usa, Inc. Defrosting apparatus and methods of operation thereof
CN108521691A (en) * 2018-03-19 2018-09-11 上海点为智能科技有限责任公司 Radio frequency defrosting heating equipment
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US11570857B2 (en) 2018-03-29 2023-01-31 Nxp Usa, Inc. Thermal increase system and methods of operation thereof
CN108576560A (en) * 2018-05-22 2018-09-28 成都沃特塞恩电子技术有限公司 Defrosting cavity and radio frequency thawing apparatus
US10952289B2 (en) 2018-09-10 2021-03-16 Nxp Usa, Inc. Defrosting apparatus with mass estimation 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
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
US11166352B2 (en) 2018-12-19 2021-11-02 Nxp Usa, Inc. Method for performing a defrosting operation using a defrosting apparatus
US11039511B2 (en) 2018-12-21 2021-06-15 Nxp Usa, Inc. Defrosting apparatus with two-factor mass estimation and methods of operation thereof
RU2763153C1 (en) * 2019-01-04 2021-12-27 Хайер Смарт Хоум Ко., Лтд. Electromagnetic wave generation system and heating device with electromagnetic wave generation system
WO2020140713A1 (en) * 2019-01-04 2020-07-09 海尔智家股份有限公司 Electromagnetic wave generating system and heating apparatus having same
US11889610B2 (en) 2019-01-04 2024-01-30 Haier Smart Home Co., Ltd. Electromagnetic wave generating system and heating device with electromagnetic wave generating system
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

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