CN108494381A - Radio frequency adaptation and short wave therapy apparatus - Google Patents
Radio frequency adaptation and short wave therapy apparatus Download PDFInfo
- Publication number
- CN108494381A CN108494381A CN201810497558.3A CN201810497558A CN108494381A CN 108494381 A CN108494381 A CN 108494381A CN 201810497558 A CN201810497558 A CN 201810497558A CN 108494381 A CN108494381 A CN 108494381A
- Authority
- CN
- China
- Prior art keywords
- adjustment unit
- radio frequency
- impedance
- standing wave
- radiofrequency signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
- H03H7/40—Automatic matching of load impedance to source impedance
Abstract
A kind of radio frequency adaptation of offer of the embodiment of the present invention and short wave therapy apparatus.The radio frequency adaptation includes the rf input terminal being electrically connected, standing wave adjustment unit, adjustment unit and RF output end.The rf input terminal is used to receive the radiofrequency signal of radio frequency power source transmission.The standing wave adjustment unit is used to adjust the standing wave of the rf input terminal.The adjustment unit includes a line transformer, for the impedance for the radiofrequency signal that the rf input terminal is sent through the standing wave adjustment unit to be adjusted to target impedance by source impedance by the line transformer, to be matched with terminal impedance.RF output end is used to the radiofrequency signal that the adjustment unit exports being sent to terminal device.Make the impedance matching of the impedance and terminal device of radiofrequency signal by line transformer as a result, reduce reflection power, improves efficiency of transmission.
Description
Technical field
The present invention relates to radio frequency arts, in particular to a kind of radio frequency adaptation and short wave therapy apparatus.
Background technology
Currently, the output radio-frequency power of radio frequency power source is exported under the load of normal impedance (for example, 50 Ω), but
Be receive the other equipment of radiofrequency signal that radio frequency power source is sent out impedance and normal impedance it is mutually far short of what is expected.If the equipment is straight
It connects and is connected with radio frequency power source, have a big chunk power reflection and return, the power for causing reality to give off on the device
Very little.Meanwhile if reflection power is too big, the working condition for also resulting in radio frequency power source changes, or even damage radio frequency
Power source.
Invention content
In order to overcome above-mentioned deficiency in the prior art, the embodiment of the present invention to be designed to provide a kind of radio frequency adaptation
And short wave therapy apparatus, the impedance of radiofrequency signal and the impedance matching of terminal device can be made by line transformer, is subtracted
Small reflection power improves efficiency of transmission.
First embodiment of the invention provides a kind of radio frequency adaptation, and the radio frequency adaptation includes that the radio frequency of electric connection is defeated
Enter terminal, standing wave adjustment unit, adjustment unit and RF output end,
The rf input terminal is used to receive the radiofrequency signal of radio frequency power source transmission;
The standing wave adjustment unit is used to adjust the standing wave of the rf input terminal;
The adjustment unit includes a line transformer, inputs the radio frequency for passing through the line transformer
The impedance for the radiofrequency signal that terminal is sent through the standing wave adjustment unit is adjusted to target impedance by source impedance, with terminal
Impedance matching;
RF output end is used to the radiofrequency signal that the adjustment unit exports being sent to terminal device.
Further, in embodiments of the present invention, the line transformer includes a tunable capacitor, the adjustment unit
Further include controller,
The controller is used for according to the standing wave of actual transmissions efficiency and the rf input terminal to the tunable capacitor
It is adjusted, to change the impedance of the radiofrequency signal.
Further, in embodiments of the present invention, the adjustment unit further includes driving mechanism,
The driving mechanism is connect with the tunable capacitor and the controller;
The driving mechanism is used to be moved according to the control instruction of the controller, drives the pole plate in the tunable capacitor
Movement is to change the capacitive reactance of the tunable capacitor.
Further, in embodiments of the present invention, the driving mechanism includes stepper motor.
Further, in embodiments of the present invention, the standing wave adjustment unit is the shunt-resonant circuits LC.
Second embodiment of the invention provides a kind of short wave therapy apparatus, and the short wave therapy apparatus includes radio frequency power source, radio frequency
Adaptation and medical probes,
Radio frequency adaptation includes the rf input terminal being electrically connected, standing wave adjustment unit, adjustment unit and radio frequency output
Terminal;
The radio frequency power source is electrically connected with the rf input terminal, the medical probes and the RF output end
Son is electrically connected;
The rf input terminal is used to receive the radiofrequency signal that the radio frequency power source is sent;
The standing wave adjustment unit is used to adjust the standing wave of the rf input terminal;
The adjustment unit includes a line transformer, inputs the radio frequency for passing through the line transformer
The impedance for the radiofrequency signal that terminal is sent through the standing wave adjustment unit is adjusted to target impedance by source impedance, with it is described
The impedance matching of medical probes;
RF output end is used to the radiofrequency signal that the adjustment unit exports being sent to the medical probes.
Further, in embodiments of the present invention, the line transformer includes a tunable capacitor, the adjustment unit
Further include controller,
The controller is used for according to the standing wave of actual transmissions efficiency and the rf input terminal to the tunable capacitor
It is adjusted, to change the impedance of the radiofrequency signal.
Further, in embodiments of the present invention, the adjustment unit further includes driving mechanism,
The driving mechanism is connect with the tunable capacitor and the controller;
The driving mechanism is used to be moved according to the control instruction of the controller, drives the pole plate in the tunable capacitor
Movement is to change the capacitive reactance of the tunable capacitor.
Further, in embodiments of the present invention, the driving mechanism includes stepper motor.
Further, in embodiments of the present invention, the standing wave adjustment unit is the shunt-resonant circuits LC.
In terms of existing technologies, the invention has the advantages that:
A kind of radio frequency adaptation of offer of the embodiment of the present invention and short wave therapy apparatus.The radio frequency adaptation includes being electrically connected
Rf input terminal, standing wave adjustment unit, adjustment unit and radio frequency output unit.The rf input terminal is penetrated with external
Frequency power source connects, the radiofrequency signal sent for receiving the radio frequency power source.The standing wave adjustment unit is for adjusting institute
The standing wave for stating rf input terminal, so that the radiofrequency signal received is sent to the adjustment unit as much as possible.Institute
State adjustment unit include a line transformer, for by the line transformer will the rf input terminal warp described in
The impedance for the radiofrequency signal that standing wave adjustment unit is sent is adjusted to target impedance by source impedance, to be matched with terminal impedance.
RF output end is used to the radiofrequency signal that the adjustment unit exports being sent to terminal device.Pass through transmission as a result,
Line transformer makes the impedance of radiofrequency signal be matched with terminal impedance, reduces reflection power, improves the efficiency of transmission of radiofrequency signal.
It, can be again by the work of line transformer in adjustment unit also, when terminal impedance changes a lot
With so that the impedance of radiofrequency signal corresponds to adjustment, to still keep matching with terminal impedance.
To enable the above objects, features, and advantages of invention to be clearer and more comprehensible, present pre-ferred embodiments cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is one of the block diagram of radio frequency adaptation that first embodiment of the invention provides.
Fig. 2 is the block diagram of adjustment unit in Fig. 1.
Fig. 3 is one of the block diagram of short wave therapy apparatus that second embodiment of the invention provides.
Fig. 4 is one of the block diagram of short wave therapy apparatus that second embodiment of the invention provides.
Icon:10- short wave therapy apparatus;100- radio frequency adaptations;110- rf input terminals;120- standing wave adjustment units;
130- adjustment units;131- controllers;132- driving mechanisms;133- tunable capacitors;140- RF output end;200- radio frequency work(
Rate source;300- medical probes.
Specific implementation mode
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment of the present invention, people in the art
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is instruction or implies relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" refers to only that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body;It can be mechanical connection, can also be electrical connection;It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
First embodiment
Fig. 1 is please referred to, Fig. 1 is one of the block diagram for the radio frequency adaptation 100 that first embodiment of the invention provides.Institute
It may include the rf input terminal 110, standing wave adjustment unit 120, adjustment unit 130 being electrically connected to state radio frequency adaptation 100
And RF output end 140.After receiving the radiofrequency signal that sends out of radio frequency power source, pass through successively standing wave adjustment unit 120 and
The impedance of the radiofrequency signal can be adjusted to and the matched mesh of the terminal impedance of terminal device by adjustment unit 130 by source impedance
Impedance is marked, thus, it is possible to reduce reflection power, efficiency of transmission is improved, reduces since reflection power is greatly made radio frequency power source very much
At influence.
In the present embodiment, the rf input terminal 110 is used to receive the radiofrequency signal of radio frequency power source transmission.It is described
Standing wave adjustment unit 120 is used to adjust the standing wave of the rf input terminal 110.The adjustment unit 130 includes a transmission line
Transformer sends the rf input terminal 110 through the standing wave adjustment unit 120 for passing through the line transformer
The impedance of the radiofrequency signal target impedance is adjusted to by source impedance, to be matched with terminal impedance.RF output end
140 by the radiofrequency signal that the adjustment unit 130 exports for being sent to terminal device.Hereby it is achieved that radiofrequency signal impedance
Adjustment so that the impedance of radiofrequency signal is matched with the terminal impedance of terminal device, avoid terminal device due to reflection power too
Greatly so that working effect is affected, and reflection power can also be reduced too greatly to the harmful effect of radio frequency power source.
In the present embodiment, the standing wave adjustment unit 120 is used to adjust the anti-of the port of the rf input terminal 110
Coefficient is penetrated, to ensure that radiofrequency signal can more efficiently be transferred to adjustment unit 130 from radio frequency power source, to avoid by penetrating
The radiofrequency signal that frequency power source is sent out is directly most of to be reflected.
In an embodiment of the present embodiment, the standing wave adjustment unit 120 can be the shunt-resonant circuits LC.
In the present embodiment, due to by the way of line transformer coupling, that is, line transformer will receive
Radiofrequency signal is coupled out so that the rf input terminal 110 and the physical isolation completely of RF output end 140 subtract
Small influence of the terminal device to radio frequency power source.Wherein, line transformer can be believed the radio frequency of reception by turn ratio
Number impedance centainly adjusted.
Fig. 2 is please referred to, Fig. 2 is the block diagram of adjustment unit 130 in Fig. 1.The adjustment unit 130 may include control
Device 131 processed, the line transformer may include a tunable capacitor 133.Wherein, the controller 131 can be with radio frequency work(
Rate source connects, to obtain the actual transmissions efficiency of radiofrequency signal.The controller 131 is used for the practical biography according to radiofrequency signal
The tunable capacitor 133 is adjusted in the information such as the standing wave of defeated efficiency and the rf input terminal 110, to be penetrated described in change
The impedance of frequency signal.
Also, since the controller 131 can be realized by the control of the tunable capacitor 133 to the radiofrequency signal
The adjustment of impedance, when the terminal impedance of terminal device changes in a certain range, the controller 131 can be by right
The control of the tunable capacitor 133, according to radiofrequency signal actual transmissions efficiency corresponding with the terminal impedance of variation and standing wave pair
The impedance of the radiofrequency signal is adjusted, to adapt to the terminal device changed in a certain range so that the radiofrequency signal
Impedance matched always with the terminal impedance of terminal device, ensure terminal device can obtain maximum power from radio frequency power source
Radiofrequency signal.
Referring once again to Fig. 2, the adjustment unit 130 can also include driving mechanism 132, the driving mechanism 132 with
The tunable capacitor 133 and the controller 131 connect.The driving mechanism 132 is used for the control according to the controller 131
Instruction movement, drives the pole plate in the tunable capacitor 133 to move, and to change the capacitive reactance of the tunable capacitor 133, realizes to institute
State the adjustment of radiofrequency signal impedance.
Below to how by tunable capacitor 133 adjust radiofrequency signal impedance illustrate.
When needing to adjust radiofrequency signal impedance, the controller 131 controls driving mechanism 132 and drives the tunable capacitor
133 pole plate movement.In pole plate moving process, the controller 131 obtains the impedance of radiofrequency signal after pole plate movement in real time
With the matching degree of the terminal impedance of terminal device.Wherein, matching degree can be according to the standing wave of the rf input terminal 110
Information, power transmission efficiency information etc. obtain.Optionally, minimum is adjusted to by maximum value in the capacitive reactance of the tunable capacitor 133
During value (or minimum value is adjusted to maximum value), it is corresponding in change procedure that the controller 131 has obtained tunable capacitor 133
Matching degree, it is possible thereby to according to highest matching degree to the capacitive reactance of the tunable capacitor 133 to be adjusted, to ensure work(
Rate efficiency of transmission highest.
When the radio frequency adaptation 100 works, controller 131 can monitor the work of the radio frequency adaptation 100 in real time
State.If the working condition of the radio frequency adaptation 100 changes, the controller 131 can be determined that current matching shape
State is not in best state.It can again be detected according to aforesaid way, pick up best match state, to the adjustable electric
The capacitive reactance of appearance 133 is adjusted, and realizes Auto-matching.
In an embodiment of the present embodiment, the driving mechanism 132 can be stepper motor, the tunable capacitor
133 can be adjustable air capacitance.The controller 131 controls the stepper motor rotation, to change adjustable air capacitance
Corresponding area, so that the capacitive reactance of adjustable air capacitance changes.Optionally, the controller 131 controls stepper motor
At least one period is rotated, the position of stepper motor when matching degree highest is obtained, and then stepper motor is rotated again and extremely should
Position, to realize the adjustment of the impedance to the radiofrequency signal so that the impedance of the radiofrequency signal and the terminal of terminal device
Impedance matching.
Second embodiment
Fig. 3 is please referred to, Fig. 3 is one of the block diagram for the short wave therapy apparatus 10 that second embodiment of the invention provides.Institute
It includes radio frequency power source 200, radio frequency adaptation 100 and the medical probes 300 being electrically connected to state short wave therapy apparatus 10.The radio frequency
Power source 200 is for sending out radiofrequency signal.The radio frequency adaptation 100 is used to receive penetrating for the transmission of the radio frequency power source 200
Frequency signal, and the impedance of the radiofrequency signal is adjusted, so that the impedance of the radiofrequency signal and the medical probes 300
Impedance matching, and the radiofrequency signal after adjustment is sent to the medical probes 300.Thus, it is possible to reduce reflection power, make
The medical probes 300 can obtain the radiofrequency signal of maximum power from the radio frequency power source 200, ensure short wave therapy apparatus 10
Stability.
Wherein, the radio frequency power source 200 can be solid state power source.
The medical probes 300 make load absorption to play therapeutic effect for radiating RF power to be gone out.Due to negative
Load is some organ on human body or human body, variant when in face of different people.And hence it is also possible to pass through radio-frequency match
Device 100 carries out corresponding adjusting in the variation range of load to the impedance of radiofrequency signal, adapts to the variation of load, ensures that shortwave is controlled
Treat the stability of instrument 10.
Fig. 4 is please referred to, Fig. 4 is the two of the block diagram for the short wave therapy apparatus 10 that second embodiment of the invention provides.Institute
Radio frequency adaptation 100 is stated to include the rf input terminal 110 being electrically connected, standing wave adjustment unit 120, adjustment unit 130 and penetrate
Frequency leading-out terminal 140.
In the present embodiment, the radio frequency power source 200 is electrically connected with the rf input terminal 110, the medical treatment
Probe 300 is electrically connected with RF output end 140.The rf input terminal 110 is for receiving the radio-frequency power
The radiofrequency signal that source 200 is sent.The standing wave adjustment unit 120 is used to adjust the standing wave of the rf input terminal 110.It is described
Adjustment unit 130 includes a line transformer, passes through the rf input terminal 110 for passing through the line transformer
The impedance for the radiofrequency signal that the standing wave adjustment unit 120 is sent is adjusted to target impedance by source impedance, with the doctor
Treat the impedance matching of probe 300.Radiofrequency signal of RF output end 140 for exporting the adjustment unit 130 is sent out
Give the medical probes 300.
In an embodiment of the present embodiment, the standing wave adjustment unit 120 is the shunt-resonant circuits LC.
In the present embodiment, the line transformer includes a tunable capacitor 133, and the adjustment unit 130 further includes
Controller 131.The controller 131 is used for according to the standing wave of actual transmissions efficiency and the rf input terminal 110 to described
Tunable capacitor 133 is adjusted, to change the impedance of the radiofrequency signal.
In the present embodiment, the adjustment unit 130 further includes driving mechanism 132, the driving mechanism 132 with it is described can
Capacitance 133 and the controller 131 is adjusted to connect.The driving mechanism 132 is used to be transported according to the control instruction of the controller 131
It is dynamic, drive the pole plate in the tunable capacitor 133 to move to change the capacitive reactance of the tunable capacitor 133.
In an embodiment of the present embodiment, the driving mechanism 132 includes stepper motor.
In the present embodiment, the rf input terminal 110 is believed with RF output end 140 by signal coupled transfer
Number, when load changes in a certain range, best match and transmission are can reach by adjusting the variable capacitance, to described
The impedance influences very little of rf input terminal 110 so that the short wave therapy apparatus 10 is relatively stablized.
Detailed description about the radio frequency adaptation 100 may refer to first embodiment retouching to radio frequency adaptation 100
It states, details are not described herein.
In conclusion a kind of radio frequency adaptation of offer of the embodiment of the present invention and short wave therapy apparatus.The radio frequency adaptation packet
Include rf input terminal, standing wave adjustment unit, adjustment unit and the radio frequency output unit of electric connection.The rf input terminal
It is connect with external radio frequency power source, the radiofrequency signal sent for receiving the radio frequency power source.The standing wave adjustment unit
Standing wave for adjusting the rf input terminal, so that the radiofrequency signal received is sent to the tune as much as possible
Whole unit.The adjustment unit includes a line transformer, inputs the radio frequency for passing through the line transformer
The impedance for the radiofrequency signal that terminal is sent through the standing wave adjustment unit is adjusted to target impedance by source impedance, with terminal
Impedance matching.RF output end is used to the radiofrequency signal that the adjustment unit exports being sent to terminal device.As a result,
By line transformer so that the impedance of radiofrequency signal is matched with terminal impedance, reduces reflection power, improve radiofrequency signal
Efficiency of transmission.
It, can be again by the work of line transformer in adjustment unit also, when terminal impedance changes a lot
With so that the impedance of radiofrequency signal corresponds to adjustment, to still keep matching with terminal impedance.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of radio frequency adaptation, which is characterized in that the radio frequency adaptation includes the rf input terminal being electrically connected, standing wave
Adjustment unit, adjustment unit and RF output end,
The rf input terminal is used to receive the radiofrequency signal of radio frequency power source transmission;
The standing wave adjustment unit is used to adjust the standing wave of the rf input terminal;
The adjustment unit includes a line transformer, for passing through the line transformer by the rf input terminal
The impedance of the radiofrequency signal sent through the standing wave adjustment unit is adjusted to target impedance by source impedance, with terminal impedance
Matching;
RF output end is used to the radiofrequency signal that the adjustment unit exports being sent to terminal device.
2. radio frequency adaptation according to claim 1, which is characterized in that the line transformer includes an adjustable electric
Holding, the adjustment unit further includes controller,
The controller is for carrying out the tunable capacitor according to the standing wave of actual transmissions efficiency and the rf input terminal
It adjusts, to change the impedance of the radiofrequency signal.
3. radio frequency adaptation according to claim 2, which is characterized in that the adjustment unit further includes driving mechanism,
The driving mechanism is connect with the tunable capacitor and the controller;
The driving mechanism is used to be moved according to the control instruction of the controller, and the pole plate in the tunable capacitor is driven to move
To change the capacitive reactance of the tunable capacitor.
4. radio frequency adaptation according to claim 3, which is characterized in that the driving mechanism includes stepper motor.
5. radio frequency adaptation according to claim 1, which is characterized in that the standing wave adjustment unit returns for LC parallel resonances
Road.
6. a kind of short wave therapy apparatus, which is characterized in that the short wave therapy apparatus includes radio frequency power source, radio frequency adaptation and medical treatment
Probe,
Radio frequency adaptation includes the rf input terminal being electrically connected, standing wave adjustment unit, adjustment unit and RF output end;
The radio frequency power source is electrically connected with the rf input terminal, the medical probes and RF output end electricity
Property connection;
The rf input terminal is used to receive the radiofrequency signal that the radio frequency power source is sent;
The standing wave adjustment unit is used to adjust the standing wave of the rf input terminal;
The adjustment unit includes a line transformer, for passing through the line transformer by the rf input terminal
The impedance of the radiofrequency signal sent through the standing wave adjustment unit is adjusted to target impedance by source impedance, with the medical treatment
The impedance matching of probe;
RF output end is used to the radiofrequency signal that the adjustment unit exports being sent to the medical probes.
7. short wave therapy apparatus according to claim 6, which is characterized in that the line transformer includes an adjustable electric
Holding, the adjustment unit further includes controller,
The controller is for carrying out the tunable capacitor according to the standing wave of actual transmissions efficiency and the rf input terminal
It adjusts, to change the impedance of the radiofrequency signal.
8. short wave therapy apparatus according to claim 7, which is characterized in that the adjustment unit further includes driving mechanism,
The driving mechanism is connect with the tunable capacitor and the controller;
The driving mechanism is used to be moved according to the control instruction of the controller, and the pole plate in the tunable capacitor is driven to move
To change the capacitive reactance of the tunable capacitor.
9. short wave therapy apparatus according to claim 8, which is characterized in that the driving mechanism includes stepper motor.
10. short wave therapy apparatus according to claim 6, which is characterized in that the standing wave adjustment unit is LC parallel resonances
Circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810497558.3A CN108494381A (en) | 2018-05-22 | 2018-05-22 | Radio frequency adaptation and short wave therapy apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810497558.3A CN108494381A (en) | 2018-05-22 | 2018-05-22 | Radio frequency adaptation and short wave therapy apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108494381A true CN108494381A (en) | 2018-09-04 |
Family
ID=63352058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810497558.3A Pending CN108494381A (en) | 2018-05-22 | 2018-05-22 | Radio frequency adaptation and short wave therapy apparatus |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108494381A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110665116A (en) * | 2019-09-10 | 2020-01-10 | 武汉佐盈森科技发展有限公司 | Tuning device and method for automatic tuning of output resonant circuit of short wave therapeutic apparatus |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2808075Y (en) * | 2005-04-05 | 2006-08-23 | 广州无线电研究所 | Digital radio-frequency therapeutic equipment |
CN201717831U (en) * | 2010-05-28 | 2011-01-19 | 常州瑞思杰尔电子科技有限公司 | Radiofrequency matcher |
CN204304936U (en) * | 2014-12-31 | 2015-04-29 | 陕西烽火电子股份有限公司 | A kind of rf power amplifier circuit being applied to ultrashort wave radio set |
CN107748522A (en) * | 2017-11-15 | 2018-03-02 | 杭州泽鸣生物科技有限公司 | A kind of ultra-short wave therapy apparatus |
-
2018
- 2018-05-22 CN CN201810497558.3A patent/CN108494381A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2808075Y (en) * | 2005-04-05 | 2006-08-23 | 广州无线电研究所 | Digital radio-frequency therapeutic equipment |
CN201717831U (en) * | 2010-05-28 | 2011-01-19 | 常州瑞思杰尔电子科技有限公司 | Radiofrequency matcher |
CN204304936U (en) * | 2014-12-31 | 2015-04-29 | 陕西烽火电子股份有限公司 | A kind of rf power amplifier circuit being applied to ultrashort wave radio set |
CN107748522A (en) * | 2017-11-15 | 2018-03-02 | 杭州泽鸣生物科技有限公司 | A kind of ultra-short wave therapy apparatus |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110665116A (en) * | 2019-09-10 | 2020-01-10 | 武汉佐盈森科技发展有限公司 | Tuning device and method for automatic tuning of output resonant circuit of short wave therapeutic apparatus |
CN110665116B (en) * | 2019-09-10 | 2023-06-23 | 武汉佐盈森科技发展有限公司 | Tuning device and method for automatic tuning of output resonant circuit of shortwave therapeutic apparatus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10451702B1 (en) | Calibration method for high gamma combo tuner | |
CN102742366B (en) | Impedance-matching device | |
US7392091B2 (en) | Implanted antenna and radio communications link | |
US5670881A (en) | Discrete step remotely adjustable matching circuit for MRI RF coils | |
US7414402B2 (en) | Coil apparatus and nuclear magnetic resonance apparatus using the same | |
CN105223526A (en) | A kind of radio-frequency sending coil impedance matching circuit and method | |
KR20100057632A (en) | Increasing the q factor of a resonator | |
KR20000016599A (en) | Method and apparatus for matching changable load impedance with radio frequency generator | |
CN103069687A (en) | Wireless power transmitter and method that transmits resonance power using multiple bands | |
GB2590276A (en) | Wireless charging system with multiple communications modes | |
CN108494381A (en) | Radio frequency adaptation and short wave therapy apparatus | |
DE60128700T2 (en) | WIRELESS RADIO | |
CN108631042B (en) | Antenna module and electronic device | |
US10656221B2 (en) | Drive circuit of radio-frequency transmitting coil and magnetic resonance imaging device | |
CN207835422U (en) | Radio frequency adaptation and short wave therapy apparatus | |
JPH0622924A (en) | Magnetic resonanator | |
CN113098425A (en) | Impedance matching network, adaptive impedance matching device and method thereof | |
US5543712A (en) | Parasitic compensating matching circuit integral with ground breaker for MRI RF coils | |
US10317445B1 (en) | High gamma electronic tuner | |
US4783629A (en) | RF coil for MRI with self-tracking ganged coupling capacitors | |
CN109274347A (en) | The adjustment method of radio-frequency match device, radio-frequency match device | |
CN104993235B (en) | A kind of antenna assembly and electronic equipment | |
US20130043885A1 (en) | Antenna system for electromagnetic compatibility testing | |
US20090267703A1 (en) | Dynamically adaptable impedance matching circuitry between an electro-optical load and a driving source | |
CN116418309B (en) | Impedance matching method of impedance matching circuit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |