CN112821898B - Radio frequency host and power regulation circuit - Google Patents

Radio frequency host and power regulation circuit Download PDF

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Publication number
CN112821898B
CN112821898B CN202011641753.2A CN202011641753A CN112821898B CN 112821898 B CN112821898 B CN 112821898B CN 202011641753 A CN202011641753 A CN 202011641753A CN 112821898 B CN112821898 B CN 112821898B
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radio frequency
circuit
value
frequency signal
module
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CN112821898A (en
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徐宏
冯晓杰
崔长杰
周乐
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Hangzhou Kunbo Biotechnology Co Ltd
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Hangzhou Kunbo Biotechnology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

A data adjusting method in radio frequency operation, a radio frequency host and a power adjusting circuit are provided, wherein the data adjusting method in radio frequency operation comprises the following steps: acquiring set power data corresponding to the radio frequency operation, setting the output power of a radio frequency signal according to the set power data, and outputting the radio frequency signal to an operation object of the radio frequency operation; detecting physical characteristic data of an operation object in real time, and judging whether the physical characteristic data exceeds a preset range; if the physical characteristic data exceeds the preset range, adjusting the output power of the radio frequency signal through a power adjusting circuit; if the physical characteristic data does not exceed the preset range, the preset range is adjusted according to the physical characteristic data detected in real time in the preset duration before the current moment, and the safety and the success rate of the radio frequency operation can be improved.

Description

Radio frequency host and power regulation circuit
Technical Field
The embodiment of the application relates to the technical field of electronics, in particular to a data adjusting method, a radio frequency host and a power adjusting circuit in radio frequency operation.
Background
In the radio frequency technology, radio frequency energy is accurately applied to an operation object through a radio frequency host under image guidance to perform radio frequency operation, and in the radio frequency operation process, not only is the operation effect ensured, but also the operation object and an operator are protected from being damaged and injured.
In the prior art, the radio frequency operation parameters are not adjusted accurately enough, which results in non-ideal radio frequency operation effect of the radio frequency host computer or unsafe operation objects and operation equipment.
Disclosure of Invention
The embodiment of the application provides a data adjusting method, a radio frequency host and a power adjusting circuit in radio frequency operation, which can improve the safety and effect of the radio frequency operation by adjusting the output power of a radio frequency signal or adjusting the standard range of physical characteristic data of a radio frequency operation object in the radio frequency operation process.
An aspect of the present application provides a method for adjusting data in radio frequency operation, including: acquiring set power data corresponding to radio frequency operation, setting the output power of a radio frequency signal according to the set power data, and outputting the radio frequency signal to an operation object of the radio frequency operation; detecting physical characteristic data of the operation object in real time, and judging whether the physical characteristic data exceeds a preset range; if the physical characteristic data exceeds the preset range, adjusting the output power of the radio frequency signal through a power adjusting circuit; the power adjusting circuit comprises a current detection module for detecting the current value of the radio frequency signal and a voltage detection module for detecting the voltage value of the radio frequency signal; the power adjusting circuit is used for calculating to obtain the current output power according to the current value and the voltage value and controlling the output voltage of the radio frequency signal so as to adjust the output power of the radio frequency signal; and if the physical characteristic data does not exceed the preset range, adjusting the preset range according to the physical characteristic data detected in real time in a preset time before the current moment.
An aspect of an embodiment of the present application further provides a radio frequency host, including: the acquisition module is used for acquiring set power data corresponding to the radio frequency operation; the transmitting module is used for setting the output power of the radio frequency signal according to the set power data and outputting the radio frequency signal to an operation object operated by radio frequency; the detection module is used for detecting the physical characteristic data of the operation object in real time and judging whether the physical characteristic data exceeds a preset range; the adjusting module is used for adjusting the output power of the radio frequency signal through a power adjusting circuit if the physical characteristic data exceeds the preset range; the power adjusting circuit comprises a current detection module for detecting the current value of the radio frequency signal and a voltage detection module for detecting the voltage value of the radio frequency signal; the power adjusting circuit is used for calculating to obtain the current output power according to the current value and the voltage value and controlling the output voltage of the radio frequency signal so as to adjust the output power of the radio frequency signal; the adjusting module is further configured to adjust the preset range according to the physical characteristic data detected in real time in a preset duration before the current time if the physical characteristic data does not exceed the preset range
The embodiment of the application also provides a power adjusting circuit which is arranged in the radio frequency host and comprises a current detection module, a voltage detection module and a control module; the current detection module and the voltage detection module are connected with a radio frequency signal module in a radio frequency host, and receive radio frequency signals generated and sent by the radio frequency signal module; the current detection module and the voltage detection module are connected with the control module, and the current detection module and the voltage detection module respectively send the processed radio-frequency signals to the control module; the control module is further connected with the radio frequency signal module and used for respectively obtaining a current value and a voltage value in the radio frequency signal processed by the current detection module and the voltage detection module, calculating current output power according to the current value and the voltage value, and controlling the radio frequency signal module to adjust the output voltage of the radio frequency signal so as to adjust the output power of the radio frequency signal.
As can be seen from the above embodiments of the present application, the set power data corresponding to the rf operation is obtained, the output power of the rf signal is set according to the set power data and the rf signal is output, the physical characteristic data of the rf operation object is detected in real time during the rf operation, and determining whether the physical characteristic data exceeds a preset range, if so, adjusting the output power of the RF signal through a power adjustment circuit, the output power is adjusted through the current detection module of the power adjusting circuit and the detection value of the voltage detection module, the adjusting precision is high, the risk of damage to an operation object caused by radio frequency operation is reduced, the safety of the radio frequency operation is improved, if the preset range of the physical characteristic data is not exceeded, the rationality of the preset range is automatically updated, a more accurate data base is provided for subsequent radio frequency operation, and the rationality and the success rate of the radio frequency operation are improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without inventive labor.
Fig. 1 is a schematic view of an application scenario of a data adjustment method in radio frequency operation according to an embodiment of the present application;
fig. 2 is a schematic flowchart illustrating a data adjustment method in radio frequency operation according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a radio frequency adjustment circuit according to an embodiment of the present application;
fig. 4 is a circuit diagram of an rf adjusting circuit according to an embodiment of the present application;
fig. 5 is a circuit diagram of an rf adjusting circuit according to another embodiment of the present application;
fig. 6 is a circuit diagram of an rf adjusting circuit according to another embodiment of the present application;
fig. 7 is a circuit diagram of an rf adjusting circuit according to another embodiment of the present application;
fig. 8 is a circuit diagram of an rf tuning circuit according to another embodiment of the present application;
fig. 9 is a schematic flowchart illustrating a data adjustment method in radio frequency operation according to another embodiment of the present application;
fig. 10 is a schematic structural diagram of a radio frequency host according to an embodiment of the present application;
fig. 11 is a schematic hardware structure diagram of a radio frequency host according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an application scenario diagram of data adjustment in radio frequency operation according to an embodiment of the present application is provided, where the data adjustment method in radio frequency operation is used to output a radio frequency signal according to a set power in a radio frequency operation process, detect physical characteristic data of an operation object of the radio frequency operation in real time, and determine whether to adjust the output power of the radio frequency signal or adjust the physical characteristic data according to a change of the physical characteristic data, so that data of the radio frequency operation tends to be more reasonable, and efficiency and safety of success of the radio frequency operation are improved.
Specifically, the main execution body of the data adjustment method is a radio frequency host, and the radio frequency host can be specifically equipment such as a radio frequency ablation instrument. As shown in fig. 1, when the rf master 100 is connected to the operation object 200, the rf operation is started, and the rf master 100 transmits an rf signal to the operation object 200 through the rf generating device. During radio frequency operation, as the shape of the operand 200 changes, the physical characteristic data also changes. The operation object 200 may be any object that needs to be operated by radio frequency, for example, when the radio frequency host 100 is a radio frequency ablation instrument, the operation object 200 may be an organism that needs to ablate variant tissues in vivo.
The rf host 100 has an input interface, can be externally connected with a removable memory, such as a usb disk, and can be externally connected with an input device such as a keyboard and a mouse, and read data from the removable memory, and obtain data input by a user from the input device, and the rf host 100 can also be connected to a server through a network, and obtain big data from all rf hosts connected to the server from the server, where the big data includes various historical data related to rf operations.
The rf host 100 is provided with a power adjusting circuit 101, and the control circuit 101 is configured to calculate a current output power according to a current value and a voltage value respectively detected by the current detecting module and the voltage detecting module, and adjust the output power by controlling an output voltage of the rf signal.
Referring to fig. 2, a flow chart of a data adjusting method in radio frequency operation according to an embodiment of the present application is schematically shown. The method can be applied to the radio frequency host shown in fig. 1, and specifically includes, as shown in fig. 2:
step S201, acquiring set power data corresponding to radio frequency operation, setting output power of a radio frequency signal according to the set power data, and outputting the radio frequency signal to an operation object of the radio frequency operation;
specifically, the set power data may be obtained by obtaining historical rf operation data of all rf hosts in the network from a server, or may be obtained by obtaining set data input into the rf hosts by a user.
S202, detecting physical characteristic data of an operation object in real time, and judging whether the physical characteristic data exceeds a preset range;
the physical property data includes temperature and impedance of the operation object, and the like.
In the process of radio frequency operation, the radio frequency signal output on the operation object has radio frequency energy, and the physical characteristic data of the part receiving the radio frequency operation is changed due to the action of the radio frequency energy.
The preset range is a numerical value interval having a lowest value and a highest value, and the lowest value and the highest value are obtained in the same manner as the set power data in step S201, and may be obtained from historical radio frequency operation data of all radio frequency hosts in the network obtained from the server, or obtained from set data input into the radio frequency hosts by the user.
S203, if the physical characteristic data exceeds the preset range, adjusting the output power of the radio frequency signal through a power adjusting circuit;
if the physical characteristic data is higher than the highest value of the preset range or lower than the lowest value of the preset range, the physical characteristic data is confirmed to be beyond the preset range, and the physical characteristic data is reduced or improved by adjusting the radio frequency output power.
The power adjusting circuit comprises a current detecting module for detecting the current value of the radio frequency signal and a voltage detecting module for detecting the voltage value of the radio frequency signal, and is used for calculating the current output power according to the current value and the voltage value and controlling the output voltage of the radio frequency signal so as to adjust the output power of the radio frequency signal.
Specifically, referring to fig. 3, the power adjustment circuit includes: the current detection module 10, the voltage detection module 20 and the control module 30 are all connected with a radio frequency signal module 40 of the radio frequency host, the control module 30 can be one of processors of the radio frequency host, and the radio frequency signal module 40 is controlled to output radio frequency signals according to set frequency and voltage.
The current detection module 10 and the voltage detection module 20 receive the radio frequency signal generated and transmitted by the radio frequency signal module 40, and respectively transmit the processed radio frequency signal to the control module 30;
the control module 30 obtains a current value and a voltage value in the rf signal processed by the current detection module 10 and the voltage detection module 20, respectively, calculates a current output power according to the current value and the voltage value, and controls the rf signal module 40 to adjust an output voltage of the rf signal so as to adjust the output power of the rf signal.
Further, referring to fig. 4, fig. 4 is a schematic circuit diagram of a power adjusting circuit, in which the current detecting module 10 includes: a transformer 11, a voltage conversion circuit 12, and a first operational amplifier circuit 13;
the voltage conversion circuit 12 includes a first resistor circuit R1 and a second resistor circuit R2, the first resistor circuit R1 is a plurality of resistors connected in series, the second resistor circuit R2 is a plurality of resistors connected in parallel, a resistor at one end of the first resistor circuit R1 is connected to the transformer 11, a resistor at the other end of the first resistor circuit R1 is connected to the second resistor circuit R2, and the transformer 11 is further connected to the radio frequency signal module 40 and the first operational amplifier circuit 13, respectively. The first operational amplifier circuit 13 is further connected to the control module 30, and the first operational amplifier circuit 13 is used for amplifying and processing the voltage (i.e. the voltage signal for detecting the current) from the voltage conversion circuit, and comprises: at least one operational amplifier, and a plurality of resistors and capacitors, etc. connected in series or in parallel with the operational amplifier.
Further, the power adjustment circuit further includes: the anti-jamming module 50, the anti-jamming module 50 includes the band elimination filter circuit, and the band elimination filter circuit is connected with the transformer 11. The band-elimination filter circuit comprises a resonance circuit, particularly an LC resonance circuit, and comprises an inductor and a capacitor which are connected in parallel, wherein one end of the inductor and one end of the capacitor are connected with a transformer 11. The band-elimination filter circuit has high impedance to other non-radio frequency signals (such as impedance detection signals) in the circuit, so that the signals cannot be transmitted to the voltage transformation circuit 12 through the transformer 11, and interference is caused to the detection of the current of the radio frequency energy.
The circuit operating principle of the current detection module 10 is as follows: the transformer 11 isolates and transforms the radio frequency signal input by the radio frequency signal module 40 and then transmits the radio frequency signal to the voltage conversion circuit 12, the anti-interference module 50 blocks non-radio frequency signals of other frequencies, so that the non-radio frequency signals cannot be input into the voltage conversion circuit 12, the voltage conversion circuit 12 completes rectification, filtering and voltage conversion of output current of the transformer, the formed voltage signal for detecting current is transmitted to the first operational amplification circuit 13, and the first operational amplification circuit 13 operates and processes the voltage signal to obtain a voltage value and transmits the voltage value to the control module 30.
Referring to fig. 5, fig. 5 is a schematic circuit diagram of another power adjusting circuit, which is different from the structure of the current detecting module shown in fig. 4 in that a high-frequency current transformer 14 is used instead of the transformer 11 in the circuit, that is, the current detecting module includes: a high-frequency current transformer 14, a voltage conversion circuit 12 and a first operational amplifier circuit 13;
the voltage conversion circuit 12 includes a first resistance circuit R1 and a second resistance circuit R2, the first resistance circuit R1 is a plurality of resistors connected in series, the second resistance circuit R2 is a plurality of resistors connected in parallel, a resistor at one end of the first resistance circuit R1 is connected to the high-frequency current transformer 14, and a resistor at the other end of the first resistance circuit R1 is connected to the second resistance circuit R2;
the high-frequency circuit transformer 14 is also connected with the radio-frequency signal module 40 and the first operational amplifier circuit 13 respectively.
Further, the power adjustment circuit further includes: and the anti-interference module 50 comprises a band-elimination filter circuit, and the band-elimination filter circuit is connected with the high-frequency current transformer 14.
The rest of the structure, signal flow and operation principle of the current detection module shown in fig. 5 are the same as those of the current detection module shown in fig. 4, and are not described herein again.
Referring to fig. 6, fig. 6 is a schematic circuit diagram of another power conditioning circuit, which is different from the circuit shown in fig. 4 in that the anti-jamming module 50 includes a band-pass filter circuit, and the band-pass filter circuit is connected to the rf signal module 40 and the transformer 11, respectively.
The role of immunity module 50 is the same as that of immunity module 50 shown in fig. 4. In addition, the rest of the structure, signal flow and working principle of the current detection module are the same as those of the current detection module shown in fig. 4, and are not described herein again.
Referring to fig. 7, fig. 7 is a schematic circuit diagram of another power conditioning circuit, which differs from the circuit shown in fig. 6 in that a high frequency current transformer 14 is used instead of the transformer 11.
The rest of the structure, signal flow and working principle of the current detection module are the same as those of the current detection module shown in fig. 4, and are not described herein again.
Referring to fig. 8, fig. 8 is a circuit schematic diagram of another power adjustment circuit, and the voltage detection module 20 includes: a voltage divider circuit 21 and a second operational amplifier circuit 22;
the voltage divider circuit 21 includes a third resistor circuit R3 and a fourth resistor circuit R4, where R3 and R4 are also formed by connecting a plurality of resistors in series or in parallel, and the magnitude of the resistance value is related to the specific circuit design and is not limited.
One end of the voltage dividing circuit 21 is connected to the rf signal module 40, and the other end is connected to the second operational amplifier circuit 22. Specifically, one end of the third resistor circuit R3 is connected to the rf signal module 34, and the other end is connected to one end of the fourth circuit R4 and the second operational amplifier circuit 22. The second operational amplifier circuit 22 is configured to amplify the divided voltage signal, and includes: at least one operational amplifier, and a plurality of resistors and capacitors, etc. connected in series or in parallel with the operational amplifier.
The voltage divider 21 is used for dividing the voltage of the input RF signal, i.e. the voltage U at point A A After rectification, filtering and voltage division, voltage U is formed at point B B And will have U B Is supplied to the input terminal of the second operational amplifier circuit 22, and the second operational amplifier circuit 22 outputs the voltage U of B B Performing operation and processingThe formula of partial pressure is as follows: u shape B =U A XR 4/(R3+ R4), wherein R3, R4 and U A Are all determined values, can be calculated from the resistance composition of the circuit and the frequency, waveform and other parameters of the radio frequency signal input by the element, and the calculation result is fed back to the control module 30.
The circuit operating principle of the voltage detection module 20 is as follows: the voltage dividing circuit 21 rectifies, filters and divides the radio frequency signal input by the radio frequency signal module 40, and then transmits the radio frequency signal to the second operational amplifier circuit 22, the second operational amplifier circuit 22 calculates the radio frequency signal to obtain a voltage value, and the voltage value is sent to the control module 30.
The control module 30 obtains a real-time voltage value and a real-time current value of the rf signal, and calculates the current real-time power according to a relationship equation P ═ UI between the power, the voltage, and the current, and the control module 30 controls the rf signal module 40 to adjust the voltage of the output rf signal, so that the output rf signal is the target power to be adjusted.
And S204, if the physical characteristic data does not exceed the preset range, adjusting the preset range according to the physical characteristic data detected in real time in the preset time before the current moment.
If the physical characteristic data does not exceed the preset range, the preset range is adjusted according to the physical characteristic data detected in real time in the preset time before the current moment, and the adjusted physical characteristic data can be used as the composition of historical radio frequency operation data and become the data basis of the preset range of the physical characteristic data of the next radio frequency operation, so that the data has more referential significance, and the accuracy of the radio frequency operation is improved.
In the embodiment of the application, set power data corresponding to radio frequency operation is acquired, the output power of a radio frequency signal is set according to the set power data, the radio frequency signal is output, the physical characteristic data of a radio frequency operation object is detected in real time in the radio frequency operation process, whether the physical characteristic data exceed a preset range or not is judged, if the physical characteristic data exceed the preset range, the output power of the radio frequency signal is adjusted, the risk of damage of the radio frequency operation to the operation object is reduced, the safety of the radio frequency operation is improved, if the physical characteristic data do not exceed the preset range, the reasonability of the preset range is automatically updated, a more accurate data base is provided for subsequent radio frequency operation, and the reasonability and the success rate of the radio frequency operation are improved.
Referring to fig. 9, a flowchart of an implementation of the radio frequency operation protection method according to another embodiment of the present invention is provided. The method may be applied to the rf host shown in fig. 1, and as shown in fig. 9, the method specifically includes:
step S301, acquiring set power data corresponding to radio frequency operation, setting output power of a radio frequency signal according to the set power data, and outputting the radio frequency signal to an operation object of the radio frequency operation;
specifically, the set power data may be acquired in two ways:
the first mode is as follows: the method comprises the steps of obtaining historical radio frequency operation data corresponding to a task and an operation object of radio frequency operation from a server, and classifying the historical radio frequency operation data according to the properties of the task and the operation object of the radio frequency operation, for example, classifying the historical radio frequency operation data of executing a task No. 1 and the operation object of A into one class, classifying the historical radio frequency operation data of executing a task No. 2 and the operation object of A into one class, classifying the historical radio frequency operation data of executing a task No. 1 and the operation object of B into one class, and the like. Because the tasks are the same, the properties of the operation objects are the same, and the corresponding relation between each type of historical radio frequency operation data and the radio frequency operation time is also the same.
Therefore, when the radio frequency operation is executed, the radio frequency power data in the corresponding historical radio frequency operation data is searched according to the task of the current radio frequency operation and the operation object, the searched radio frequency power data is used as the set power data, the output power of the radio frequency signal of each time period of the current radio frequency operation is set according to the corresponding relation between the set power data and the radio frequency operation time, and the radio frequency signal with the output power is output to the operation object. Specifically, the output power value of the radio frequency signal in the historical radio frequency operation data is determined as the set power data, the set power data is specifically a change trend curve representing the corresponding relationship between the radio frequency operation time and the output power change, the output power value corresponding to the operation time corresponding to the stage where the current radio frequency operation is located is obtained on the change trend curve, and the obtained output power value is set as the output power of the radio frequency signal.
The second mode is as follows: the method comprises the steps of obtaining the setting data input into the radio frequency host by a user, specifically obtaining the setting power data in the setting data accessed into a mobile memory of the radio frequency host, or obtaining the setting power data in the setting data input from an input device of the radio frequency host. Setting the power data as a value interval including the maximum value of the set power and the minimum value of the set power
The intermediate value of the numerical range is set as the output power of the radio frequency signal, and the radio frequency signal with the output power is output to the operation object.
Step S302, detecting a temperature value and/or an impedance value of an operation object in real time, and judging whether the temperature value and/or the impedance value exceeds the preset range;
step S303, if the temperature value and/or the impedance value exceed the preset range, adjusting the output power of the radio frequency signal through a power adjusting circuit;
step S304, if the temperature value and/or the impedance value does not exceed the preset range, adjusting the preset range according to the temperature value and/or the impedance value detected in real time in the preset time before the current moment.
Specifically, according to each temperature value and/or impedance value detected in real time in the preset time and a preset selection algorithm, a target value in each temperature value and/or impedance value in the preset time is selected to update an end value of the preset range, wherein the end value is a minimum value and a maximum value.
More specifically, the preset duration is 10 seconds, taking a temperature value as an example, the minimum value of each temperature value 10 seconds before the current time may be selected as the minimum value of the preset range, and the maximum value of each temperature value is used as the maximum value of the preset range, or the middle value of each temperature value 10 seconds before the current time is calculated, and the end value corresponding to the middle value to be updated is calculated according to the difference between the middle value and the end value of the preset range before updating, where the calculated end value is the end value of the preset range after updating.
In the embodiment of the application, by acquiring the set power data corresponding to the radio frequency operation, setting the output power of the radio frequency signal according to the set power data and outputting the radio frequency signal, detecting the temperature value and/or the impedance value of the radio frequency operation object in real time in the radio frequency operation process, and judging whether the temperature value and/or the impedance value exceeds the preset range, if one of the temperature value and the impedance value is larger than the maximum value of the preset range, the output power of the radio frequency signal is reduced, the risk of damage of the radio frequency operation on the operation object is reduced, the safety of the radio frequency operation is improved, if both the temperature value and the impedance value are smaller than the minimum value of the preset range, the output power of the radio frequency signal is improved, so that the effect of the radio frequency operation is improved, further, if the temperature value and/or the preset range of the impedance value is not exceeded, the rationality of the preset range is automatically updated, and a more accurate data basis is provided for subsequent radio frequency operation, and the reasonability and the success rate of the radio frequency operation are improved.
Referring to fig. 10, a schematic structural diagram of a radio frequency host according to an embodiment of the present application is provided. For convenience of explanation, only portions related to the embodiments of the present application are shown. The radio frequency host is the radio frequency host executing the data adjusting method in the radio frequency operation in the above embodiment, and the radio frequency host includes:
an obtaining module 401, configured to obtain set power data corresponding to a radio frequency operation;
a sending module 402, configured to set an output power of the radio frequency signal according to the historical radio frequency operation data, and output the historical radio frequency operation data radio frequency signal to an operation object of the radio frequency operation;
the detection module 403 is configured to detect physical characteristic data of an operation object of historical radio frequency operation data in real time, and determine whether the physical characteristic data of the historical radio frequency operation data exceeds a preset range;
an adjusting module 404, configured to adjust output power of the radio frequency signal of the historical radio frequency operation data through a power adjusting circuit if the physical characteristic data of the historical radio frequency operation data exceeds a preset range of the historical radio frequency operation data;
the power adjusting circuit comprises a current detection module for detecting the current value of the radio frequency signal and a voltage detection module for detecting the voltage value of the radio frequency signal;
the power adjusting circuit is used for calculating to obtain the current output power according to the current value and the voltage value and controlling the output voltage of the radio frequency signal so as to adjust the output power of the radio frequency signal;
the structure of the power adjusting circuit is described with reference to fig. 3 to 8.
The adjusting module 404 is further configured to adjust the preset range of the historical radio frequency operation data according to the physical characteristic data of the historical radio frequency operation data detected in real time in a preset time before the current time if the physical characteristic data of the historical radio frequency operation data does not exceed the preset range of the historical radio frequency operation data.
Each module in the radio frequency host computer sets the output power of the radio frequency signal and outputs the radio frequency signal according to the set power data by acquiring the set power data corresponding to the radio frequency operation, detects the physical characteristic data of a radio frequency operation object in real time in the radio frequency operation process, judges whether the physical characteristic data exceeds a preset range or not, adjusts the output power of the radio frequency signal if the physical characteristic data exceeds the preset range, reduces the risk of damage of the radio frequency operation on the operation object, improves the safety of the radio frequency operation, adjusts the preset range of the physical characteristic data if the physical characteristic data does not exceed the preset range, automatically updates the rationality of the preset range, provides more accurate data base for subsequent radio frequency operation, and improves the rationality and the success rate of the radio frequency operation.
Further, the detection module 403 is further configured to detect a temperature value and/or an impedance value of the operation object in real time.
The adjusting module 404 is further configured to select a target value of each temperature value and/or impedance value to update an end value of the preset range according to each temperature value and/or impedance value detected in real time in the preset duration and a preset selection algorithm.
The obtaining module 401 is further configured to obtain historical radio frequency operation data corresponding to a task and an operation object of the radio frequency operation; and determining the output power value of the radio frequency signal in the historical radio frequency operation data as set power data, wherein the set power data is a change trend curve representing the corresponding relation between the radio frequency operation time and the output power change.
The sending module 402 is further configured to obtain, on the variation trend curve, an output power value corresponding to the operation time corresponding to the current stage of the radio frequency operation, and set the obtained output power value as the output power of the radio frequency signal.
The obtaining module 401 is further configured to obtain set power data in an external mobile memory, or obtain set power data input from an input device, where the set power data is a value interval including a maximum value of the set power and a minimum value of the set power.
The sending module 402 is further configured to set the middle value of the value interval as the output power of the rf signal.
In the embodiment of the application, by acquiring the set power data corresponding to the radio frequency operation, setting the output power of the radio frequency signal according to the set power data and outputting the radio frequency signal, detecting the temperature value and/or the impedance value of the radio frequency operation object in real time in the radio frequency operation process, and judging whether the temperature value and/or the impedance value exceeds the preset range, if one of the temperature value and the impedance value is larger than the maximum value of the preset range, the output power of the radio frequency signal is reduced, the risk of damage of the radio frequency operation on the operation object is reduced, the safety of the radio frequency operation is improved, if both the temperature value and the impedance value are smaller than the minimum value of the preset range, the output power of the radio frequency signal is improved, so that the effect of the radio frequency operation is improved, further, if the temperature value and/or the preset range of the impedance value is not exceeded, the rationality of the preset range is automatically updated, and a more accurate data basis is provided for subsequent radio frequency operation, and the reasonability and the success rate of the radio frequency operation are improved.
Further, as shown in fig. 11, an embodiment of the present application further provides an rf host, which includes a memory 300 and a processor 400, where the processor 400 may be a central processing unit in the rf host in the foregoing embodiments. Storage 300 is, for example, a hard disk drive memory, a non-volatile memory (e.g., a flash memory or other electronically programmable erase limit memory used to form a solid state drive, etc.), a volatile memory (e.g., a static or dynamic random access memory, etc.), etc., and embodiments of the present application are not limited thereto.
The memory 300 stores executable program code; the processor 400, coupled to the memory 300, invokes the executable program code stored in the memory to perform the data adjustment method in the radio frequency operation as described above.
Further, an embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium may be disposed in the radio frequency host in the foregoing embodiments, and the computer-readable storage medium may be the memory 300 in the foregoing embodiment shown in fig. 11. The computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the data adjusting method in the radio frequency operation described in the embodiments of fig. 2 and 9. Further, the computer-readable storage medium may be various media that can store program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a RAM, a magnetic disk, or an optical disk.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The above description is provided for the data adjusting method, the rf host and the power adjusting circuit in the rf operation, and for those skilled in the art, there may be variations in the specific implementation and application scope according to the concepts of the embodiments of the present invention, and in summary, the content of the present specification should not be construed as limiting the present invention.

Claims (7)

1. A radio frequency host, comprising:
the acquisition module is used for acquiring set power data corresponding to the radio frequency operation;
the sending module is used for setting the output power of the radio frequency signal according to the set power data and outputting the radio frequency signal to an operation object operated by radio frequency;
the detection module is used for detecting the physical characteristic data of the operation object in real time and judging whether the physical characteristic data exceeds a preset range;
the adjusting module is used for adjusting the output power of the radio frequency signal through a power adjusting circuit if the physical characteristic data exceeds the preset range;
the power adjusting circuit comprises a current detection module for detecting the current value of the radio frequency signal and a voltage detection module for detecting the voltage value of the radio frequency signal;
the power adjusting circuit is used for calculating to obtain the current output power according to the current value and the voltage value and controlling the output voltage of the radio frequency signal so as to adjust the output power of the radio frequency signal;
the adjusting module is further configured to select a target value in the physical characteristic data to update an end value of the preset range according to the physical characteristic data detected in real time in a preset duration before the current time and a preset selection algorithm if the physical characteristic data does not exceed the preset range.
2. The RF host of claim 1, wherein the current detection module comprises: the device comprises a transformer, a voltage conversion circuit and a first operational amplification circuit;
the voltage conversion circuit comprises a first resistance circuit and a second resistance circuit, the first resistance circuit is a plurality of resistors connected in series, the second resistance circuit is a plurality of resistors connected in parallel, the resistor at one end of the first resistance circuit is connected with the transformer, the resistor at the other end of the first resistance circuit is connected with one end of the second resistance circuit and the first operational amplification circuit, the other end of the second resistance circuit is further connected with the transformer and the first operational amplification circuit, and the transformer is further connected with a radio frequency signal module and the first operational amplification circuit respectively.
3. The radio frequency host of claim 2, wherein the power adjustment circuit further comprises: an anti-interference module;
the anti-interference module comprises a band-stop filter circuit or a band-pass filter circuit;
when the anti-interference module comprises the band-elimination filter circuit, the anti-interference module is connected with the transformer;
when the anti-interference module comprises the band-pass filter circuit, the band-pass filter circuit is respectively connected with the radio frequency signal module of the radio frequency host and the transformer.
4. The RF host of claim 1, wherein the current detection module comprises: the high-frequency current transformer, the voltage conversion circuit and the first operational amplification circuit;
the voltage conversion circuit comprises a first resistance circuit and a second resistance circuit, the first resistance circuit is a plurality of resistors connected in series, the second resistance circuit is a plurality of resistors connected in parallel, a resistor at one end of the first resistance circuit is connected with the high-frequency current transformer, a resistor at the other end of the first resistance circuit is connected with one end of the second resistance circuit and the first operational amplification circuit, and the other end of the second resistance circuit is also connected with the high-frequency current transformer and the first operational amplification circuit;
the high-frequency current transformer is also respectively connected with a radio frequency signal module and the first operational amplifier circuit.
5. The RF host of any one of claims 1 to 4, wherein the voltage detection module comprises: a voltage division circuit and a second operational amplifier circuit;
the voltage division circuit comprises a third resistance circuit and a fourth resistance circuit, one end of the third resistance circuit is connected with the radio frequency signal module of the radio frequency host, the other end of the third resistance circuit is connected with one end of the fourth resistance circuit and the second operational amplification circuit, and the other end of the fourth resistance circuit is further connected with the second operational amplification circuit.
6. The RF host of claim 5,
the detection module is further used for detecting the temperature value and/or the impedance value of the operation object in real time;
the adjusting module is further configured to select a target value of each temperature value and/or impedance value to update an end value of the preset range according to each temperature value and/or impedance value detected in real time in the preset duration and a preset selection algorithm.
7. The RF host of claim 1,
the acquisition module is further configured to acquire historical radio frequency operation data corresponding to the task of the radio frequency operation and the operation object, and determine an output power value of a radio frequency signal in the historical radio frequency operation data as the set power data, where the set power data is a change trend curve representing a corresponding relationship between radio frequency operation time and output power change;
the sending module is further configured to obtain, on the variation trend curve, an output power value corresponding to an operation time corresponding to a stage where the current radio frequency operation is located, and set the obtained output power value as the output power of the radio frequency signal.
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CN112773497B (en) * 2020-12-31 2022-04-12 杭州堃博生物科技有限公司 Data adjusting method in radio frequency operation and radio frequency host
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