Radio frequency energy output system and mammary gland rotary cutting equipment

Abstract

The utility model provides a radio frequency energy output system and a mammary gland rotary cutting device, comprising a control terminal, a radio frequency energy control circuit, a radio frequency energy output circuit and a radio frequency feedback circuit which are connected in sequence to form a closed loop control system, the control end outputs a target voltage signal, and a semiconductor switch element in the radio frequency energy control circuit is conducted to different degrees according to the magnitude of the target voltage signal, so that the radio frequency energy output circuit outputs radio frequency energy of corresponding magnitude. And the radio frequency feedback circuit feeds back an actual voltage signal corresponding to the radio frequency energy to the control end, so that the control end adjusts the size of the target voltage signal according to a difference value between the actual voltage signal and a preset voltage, and further adjusts the size of the radio frequency energy. According to the utility model, through integrating a closed loop feedback mechanism, the output voltage is adjusted in real time, the accurate control of the output power is realized, and the stability of the circuit is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical radio frequency, in particular to a radio frequency energy output system and a breast rotary cutting device. Background Art

[0002] Radiofrequency technology plays a vital role in modern medicine, particularly in minimally invasive surgery, where it is widely used for tissue cutting, coagulation, and ablation. Existing medical radiofrequency devices typically heat target tissues by emitting electromagnetic waves of a specific frequency, thereby achieving the desired cutting or ablation effect.

[0003] However, in actual applications, existing medical radio frequency devices usually lack a real-time feedback mechanism, which makes it difficult for doctors to adjust the output power in time to adapt to different tissue types or thicknesses during surgery, affecting the accuracy and safety of the surgery. Utility Model Content

[0004] The purpose of the utility model is to provide a radio frequency energy output system and a breast peeling device, which can realize real-time adjustment of the output power of the radio frequency energy system through a feedback adjustment mechanism, and improve the stability of the radio frequency output energy by adjusting the output power in real time.

[0005] The technical solutions provided by this utility model are as follows:

[0006] In a first aspect, the present application provides a radio frequency energy output system, comprising:

[0007] A control terminal, used for outputting a target voltage signal;

[0008] A radio frequency energy control circuit connected to the control terminal;

[0009] A radio frequency energy output circuit connected to the radio frequency energy control circuit;

[0010] The RF energy control circuit includes a semiconductor switch element, which can be turned on to different degrees according to the magnitude of the target voltage signal, so that the RF energy output circuit outputs RF energy of corresponding magnitude;

[0011] A radio frequency feedback circuit is connected to the radio frequency energy output circuit and is used to feed back an actual voltage signal corresponding to the radio frequency energy to the control end, so that the control end adjusts the magnitude of the target voltage signal according to the difference between the actual voltage signal and a preset voltage, thereby adjusting the magnitude of the radio frequency energy.

[0012] By connecting the RF feedback circuit with the RF energy output circuit and the control end, the RF feedback circuit feeds back the actual voltage signal to the control end, so that the control end can adjust the amount of RF energy in real time according to the difference between the actual voltage signal and the preset voltage, thereby improving the stability of the RF output energy.

[0013] In some embodiments, the radio frequency energy control circuit further comprises:

[0014] transformer;

[0015] The semiconductor switching element includes a first electrode, a second electrode, and a third electrode; the first electrode is connected to the control end, and is used to receive the target voltage signal and control the degree of conduction between the second electrode and the third electrode according to the target voltage signal; one of the second electrode and the third electrode is grounded, and the other electrode is connected to the primary side of the transformer; and the secondary side of the transformer is connected to the RF energy output circuit.

[0016] In some embodiments, the semiconductor switch element is an IGBT, the first electrode is a gate of the IGBT, the second electrode is an emitter of the IGBT, and the third electrode is a collector of the IGBT;

[0017] The second electrode is grounded, and the third electrode is connected to the primary side of the transformer.

[0018] In some embodiments, the radio frequency energy output circuit comprises:

[0019] Primary filter circuit, secondary filter circuit, tertiary filter circuit;

[0020] The first-stage filter circuit includes: a first inductor, a first capacitor, a second capacitor and a third capacitor; the second-stage filter circuit includes: a second inductor, a fourth capacitor, a fifth capacitor and a sixth capacitor; the third-stage filter circuit includes: a third inductor, a seventh capacitor and an eighth capacitor;

[0021] One end of the first inductor is connected to one end of the secondary side of the transformer, the other end of the first inductor is connected to the other end of the secondary side of the transformer via the first capacitor and the second capacitor, one end of the third capacitor is connected between the first capacitor and the second capacitor, and the other end of the third capacitor is connected to the secondary filter circuit;

[0022] One end of the second inductor is connected to the primary filter circuit, the other end of the second inductor is connected to the other end of the secondary side of the transformer through the fourth capacitor and the fifth capacitor, one end of the sixth capacitor is connected between the fourth capacitor and the fifth capacitor, and the other end of the sixth capacitor is connected to the three-stage filter circuit;

[0023] One end of the third inductor is connected to the secondary filter circuit, the other end of the third inductor is connected to the first output socket through the seventh capacitor, one end of the eighth capacitor is connected to the other end of the secondary side of the transformer, and the other end of the eighth capacitor is connected to the second output socket.

[0024] By setting up a multi-stage filtering circuit, unwanted frequency components can be better removed and the required signals can be retained, thereby improving the filtering effect and signal quality.

[0025] In some embodiments, the radio frequency energy output circuit further includes: a first bleeder resistor and a second bleeder resistor;

[0026] One end of the third inductor is connected to the other end of the secondary side of the transformer through the first bleeder resistor and the second bleeder resistor which are arranged in parallel.

[0027] By setting the bleeder resistor, the RF energy stored in the subsequent circuit when the RF energy output circuit is turned off can be released, reducing the residual voltage in the circuit and improving the reliability and stability of the equipment.

[0028] In some embodiments, the radio frequency feedback circuit includes:

[0029] a voltage mutual inductance circuit, connected to the radio frequency energy output circuit, and configured to obtain the actual voltage signal corresponding to the radio frequency energy;

[0030] An active filtering amplifier circuit is connected to the voltage mutual inductance circuit and is used to amplify the actual voltage signal and rectify and filter it into a DC signal for transmission to the control end.

[0031] In some embodiments, the voltage mutual sensing circuit includes:

[0032] Voltage transformer, first limiter;

[0033] The primary side of the voltage transformer is connected to the radio frequency energy output circuit for obtaining the actual voltage signal, the first end of the secondary side of the voltage transformer is grounded, and the second end of the secondary side of the voltage transformer is connected to the active filter amplifier circuit;

[0034] The first limiter is connected between the second end of the secondary side of the voltage transformer and the active filtering amplifier circuit;

[0035] By setting up a voltage transformer, a high-voltage radio frequency AC signal can be converted into a measurable low-voltage AC signal, ensuring the compatibility of the signal between different circuits and improving the adaptability and flexibility of the signal.

[0036] In some embodiments, the voltage mutual sensing circuit further includes:

[0037] a first voltage-dividing resistor and a second voltage-dividing resistor;

[0038] The first voltage-dividing resistor is connected between the first end of the secondary side of the voltage transformer and the active filtering amplifier circuit; one end of the second voltage-dividing resistor is connected between the first voltage-dividing resistor and the active filtering amplifier circuit, and the other end is grounded.

[0039] In some embodiments, the active filtering amplifier circuit includes:

[0040] operational amplifier, second limiter;

[0041] The inverting input terminal of the operational amplifier is connected to the voltage mutual inductance circuit, the non-inverting input terminal of the operational amplifier is grounded, the output terminal of the operational amplifier is connected to the third pin of the second limiter, and the first pin and the second pin of the second limiter are connected to the inverting input terminal of the operational amplifier.

[0042] In a second aspect, the present application also provides a breast excision device, including the radiofrequency energy output system.

[0043] Compared with the prior art, this application has at least one of the following beneficial effects:

[0044] 1. By connecting the RF feedback circuit with the RF energy output circuit and the control end, the RF feedback circuit feeds back the actual voltage signal to the control end, so that the control end can adjust the amount of RF energy in real time according to the difference between the actual voltage signal and the preset voltage, thereby improving the stability of the RF output energy.

[0045] 2. By setting up a multi-stage filtering circuit, unnecessary frequency components can be better removed and the required signals can be retained, thereby improving the filtering effect and signal quality.

[0046] 3. By setting the bleeder resistor, the RF energy stored in the subsequent circuit when the RF energy output circuit is turned off can be released, reducing the residual voltage in the circuit and improving the reliability and stability of the equipment.

[0047] 4. By setting up a voltage transformer, the high-voltage RF AC signal can be converted into a measurable low-voltage AC signal, ensuring the compatibility of the signal between different circuits and improving the adaptability and flexibility of the signal. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The preferred implementation scheme will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of this solution.

[0049] Figure 1 This is a basic implementation block diagram of a radio frequency energy output system of the utility model;

[0050] Figure 2 This is a basic implementation block diagram of a radio frequency energy output system of the utility model;

[0051] Figure 3 This is a circuit structure diagram of a radio frequency energy output system of the utility model;

[0052] Figure 4 This is a circuit structure diagram of a radio frequency feedback circuit of the utility model.

[0053] Reference numerals: control terminal 100, RF energy control circuit 200, RF energy output circuit 300, RF feedback circuit 400, voltage mutual inductance circuit 410 and active filter amplifier circuit 420. DETAILED DESCRIPTION

[0054] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without inventive work.

[0055] To simplify the drawings, only the parts relevant to the present invention are schematically shown in each figure. They do not represent the actual structure of the product. In addition, to simplify the drawings and facilitate understanding, in some figures, only one of the components with the same structure or function is schematically depicted or labeled. In this document, "one" not only means "only one" but also "more than one."

[0056] Existing medical radiofrequency devices typically heat target tissue by emitting electromagnetic waves of a specific frequency, thereby achieving a cutting or ablation effect. However, in practice, these devices often lack real-time feedback mechanisms, making it difficult for doctors to adjust output power to accommodate different tissue types or thicknesses during surgery, impacting surgical precision and safety.

[0057] The radio frequency energy output system designed in the present invention forms a closed-loop feedback mechanism by adding a radio frequency feedback circuit, thereby dynamically adjusting the output voltage in real time and achieving precise control of the output power.

[0058] In one embodiment, Figure 1As shown, the present disclosure provides a radio frequency energy output system, including a control terminal 100. In a specific implementation, the control terminal 100 refers to an MCU, which is used to receive instructions from an external device to set a preset voltage. Specifically, the external device sets the output power of different gears through a touch screen. Correspondingly, the control terminal 100 sets different preset voltages, and the control terminal 100 outputs a target voltage signal based on the set preset voltage. Then, the radio frequency energy control circuit 200 is connected to the control terminal 100, and the radio frequency energy output circuit 300 is connected to the radio frequency energy control circuit 200. The radio frequency energy control circuit 200 includes a semiconductor switching element, which can conduct to different degrees according to the size of the target voltage signal output by the control terminal 100, thereby causing the radio frequency energy output circuit 300 to output radio frequency energy of corresponding magnitude.

[0059] In addition, the RF energy output system also includes an RF feedback circuit 400, which is connected to the RF energy output circuit 300 and is also connected to the control terminal 100 to form a closed-loop control system for feeding back the actual voltage signal corresponding to the RF energy to the control terminal 100, so that the control terminal 100 adjusts the size of the target voltage signal according to the difference between the actual voltage signal and the preset voltage, thereby adjusting the size of the RF energy. Specifically, the control terminal 100 calculates the difference between the actual voltage signal and the preset voltage, and based on the difference, the control terminal 100 adjusts the size of the target voltage signal so that the RF energy control circuit 200 controls the conduction degree of the semiconductor switch element, thereby controlling the RF energy output. This process ensures that the output of the RF energy can accurately match the preset voltage through the real-time dynamic adjustment of the target voltage signal by the control terminal 100, thereby achieving precise control of the RF energy output.

[0060] In another embodiment of the present invention, based on any of the above embodiments, the MCU may be replaced with other components, such as an FPGA, etc., which is not limited in the present invention. Of course, using other types of MCUs as replacements for the present invention is also within the scope of protection of this application.

[0061] In one embodiment, Figure 3 As shown, the RF energy control circuit 200 further includes a transistor Q4. The base of the transistor Q4 is connected to the AD0 pin of the control terminal 100 via a series resistor R44 and a capacitor C34. Resistors R45 and R46 are connected between the base and emitter of the transistor Q4. The emitter of the transistor Q4 is grounded via a filter capacitor C35. The collector of the transistor Q4 is connected to a transformer T5.

[0062] Port 2 on the primary side of transformer T5 is connected to the collector of transistor Q4, and resistor R43 is connected between port 1 on the primary side of transformer T5 and the base of transistor Q4. Port 1 on the primary side of transformer T5 is also connected to the power supply through a filter circuit composed of capacitors C32 and C33. Port 3 on the secondary side of transformer T5 is grounded, and port 4 on the secondary side of transformer T5 is connected to coupling capacitor C31, which is connected to the power supply chip.

[0063] Specifically, pin No. 1 of the power chip is grounded through capacitor C37, input pin No. 3 of the power chip is grounded through capacitor C36, input pin No. 3 of the power chip is also connected to the power supply, output pin No. 2 of the power chip is connected to resistor R47, resistor R47 is connected to inductor Z1, inductor Z1 is connected to coupling capacitor C31, inductor Z1 is also grounded through resistor R42, and resistor R42 is connected to the semiconductor switching element through current limiting resistor R41.

[0064] The semiconductor switching element includes a first electrode, a second electrode, and a third electrode. The first electrode is connected to the control terminal 100 and is used to receive a target voltage signal and control the degree of conduction between the second and third electrodes based on the target voltage signal. One of the second and third electrodes is grounded, and the other electrode is connected to the primary side of the transformer T4. In a specific implementation, the semiconductor switching element is an IGBT, the first electrode of the semiconductor switching element is the gate of the IGBT, the second electrode of the semiconductor switching element is the emitter of the IGBT, and the third electrode of the semiconductor switching element is the collector of the IGBT. The second electrode of the semiconductor switching element is grounded, that is, the emitter of the IGBT is grounded, and the third electrode of the semiconductor switching element is connected to the primary side of the transformer T4, that is, the collector of the IGBT is connected to the primary side of the transformer T4.

[0065] Specifically, the gate of the IGBT is connected to the current-limiting resistor R41, and resistors R39, R40, and C28 are connected in series between the gate and the collector of the IGBT. A diode CR1 is connected between the gate and the emitter of the IGBT. Resistors R39, R40, C28, and CR1 are used to quickly turn on the IGBT to reduce the switching loss of the IGBT. Capacitors C29 and C30 are connected in parallel between the collector and the emitter of the IGBT to absorb the counter-voltage.

[0066] Furthermore, transistor Q4 receives the target output voltage signal from the control terminal 100 and filters it through capacitor C34 to remove the DC component in the signal, ensuring that only the AC signal passes through. The filtered signal is amplified by transistor Q4 and input to transformer T5 through the collector. The signal passing through the secondary side of transformer T5 is coupled through coupling capacitor C31. The power supply chip provides a reference voltage, which is superimposed on the signal passing through coupling capacitor C31 and input to the gate of the IGBT. The IGBT adjusts its conduction level according to the change of the superimposed signal, thereby controlling the magnitude of the current passing through the IGBT. The current change through the IGBT further causes changes on the primary side of transformer T4, further controlling the output of RF energy, thereby achieving precise control of RF energy output.

[0067] In another embodiment of the present invention, based on any of the above embodiments, the IGBT may be replaced by other components, such as N-channel MOS transistors, etc. This is not limited in the present invention. Of course, using other types of IGBTs as a replacement for the present invention is also within the scope of protection of this application.

[0068] In one embodiment, Figure 3 As shown, the RF energy output circuit 300 includes a primary filter circuit, a secondary filter circuit, and a tertiary filter circuit. The primary filter circuit includes a first inductor L4, a first capacitor C21, a second capacitor C25, and a third capacitor C22; the secondary filter circuit includes a second inductor L5, a fourth capacitor C23, a fifth capacitor C26, and a sixth capacitor C24; and the tertiary filter circuit includes a third inductor L6, a seventh capacitor C20, and an eighth capacitor C27.

[0069] One end of the first inductor L4 is connected to one end of the secondary side of the transformer T4, and the other end of the first inductor L4 is connected to the other end of the secondary side of the transformer T4 through the first capacitor C21 and the second capacitor C25. One end of the third capacitor C22 is connected between the first capacitor C21 and the second capacitor C25, and the other end of the third capacitor C22 is connected to the secondary filter circuit.

[0070] One end of the second inductor L5 is connected to the primary filter circuit, and the other end of the second inductor L5 is connected to the other end of the secondary side of the transformer T4 through the fourth capacitor C23 and the fifth capacitor C26. One end of the sixth capacitor C24 is connected between the fourth capacitor C23 and the fifth capacitor C26, and the other end of the sixth capacitor C24 is connected to the tertiary filter circuit.

[0071] One end of the third inductor L6 is connected to the secondary filter circuit, and the other end of the third inductor L6 is connected to the first output socket J3 via the seventh capacitor C20. One end of the eighth capacitor C27 is connected to the other end of the secondary side of the transformer T4, and the other end of the eighth capacitor C27 is connected to the second output socket J4.

[0072] The first-stage filter circuit is primarily used to remove higher-frequency noise from the signal, the second-stage filter circuit is primarily used to remove residual higher-frequency noise, and the third-stage filter circuit is primarily used to further refine the filtering effect. By setting up a multi-stage filter circuit and using inductors and capacitors of varying sizes, signals of different frequencies can be filtered, improving signal quality.

[0073] In another embodiment of the present invention, based on any of the above embodiments, the present invention does not limit the number of primary filtering circuits, secondary filtering circuits, and tertiary filtering circuits.

[0074] In one embodiment, Figure 3 As shown, the RF energy output circuit 300 further includes a first bleeder resistor R37 and a second bleeder resistor R38, and one end of the third inductor L6 is connected to the other end of the secondary side of the transformer T4 through the first bleeder resistor R37 and the second bleeder resistor R38 arranged in parallel.

[0075] By providing a bleeder resistor in the RF energy output circuit 300, the RF energy stored in the subsequent circuit when the RF energy output circuit 300 is turned off can be released, thereby reducing the residual voltage in the circuit and improving the reliability and stability of the device.

[0076] In one embodiment, Figure 2 and Figure 4 As shown, the RF feedback circuit 400 includes a voltage mutual induction circuit 410 and an active filtering and amplifying circuit 420. The voltage mutual induction circuit 410 is connected to the RF energy output circuit 300 and is used to obtain the actual voltage signal corresponding to the RF energy. The active filtering and amplifying circuit 420 is connected to the voltage mutual induction circuit 410 and is used to amplify the actual voltage signal and rectify and filter it into a DC signal for transmission to the control terminal 100.

[0077] In one embodiment, Figure 4As shown, the voltage transformer circuit 410 includes a voltage transformer T3 and a first limiter D3. The primary side of the voltage transformer T3 is connected to the RF energy output circuit 300, that is, ports 1 and 2 of the primary side of the voltage transformer T3 are connected to the RF energy output circuit to obtain the actual voltage signal. The first end of the secondary side of the voltage transformer T3, that is, port 3 of the secondary side of the voltage transformer T3, is grounded, and the second end of the secondary side of the voltage transformer T3, that is, port 4 of the secondary side of the voltage transformer T3, is connected to the active filter amplifier circuit 420. The actual voltage signal on the primary side of the voltage transformer T3 is an AC RF signal. Through conversion by the voltage transformer T3, the AC RF signal is converted into an AC signal, which facilitates subsequent circuit processing, ensures signal compatibility between different circuits, and improves signal adaptability and flexibility.

[0078] The first limiter D3 is connected between the second terminal of the secondary side of voltage transformer T3 (i.e., port 4 on the secondary side of voltage transformer T3) and active filter amplifier circuit 420 to limit the amplitude of the actual voltage signal. This limiter prevents excessive voltage from damaging subsequent circuits, improving system reliability and reducing the risk of circuit failure.

[0079] In one embodiment, Figure 4 As shown, the voltage transformer circuit 410 also includes a first voltage-dividing resistor R33 and a second voltage-dividing resistor R35. The first voltage-dividing resistor R33 is connected between the first end of the secondary side of the voltage transformer T3 (i.e., port 4 on the secondary side of the voltage transformer T3) and the active filter amplifier circuit 420. One end of the second voltage-dividing resistor R35 is connected between the first voltage-dividing resistor R33 and the active filter amplifier circuit 420, and the other end is grounded. By providing the voltage-dividing resistors, impedance matching and signal conditioning can be achieved, signal reflection and distortion can be reduced, and signal integrity can be ensured during transmission.

[0080] In one embodiment, Figure 4 As shown, the active filtering amplifier circuit 420 includes a first in-phase proportional amplifier circuit, a rectifier filtering circuit, an inverting proportional amplifier circuit, and a second in-phase proportional amplifier circuit.

[0081] The first in-phase proportional amplification circuit includes an operational amplifier U4A and a resistor R34. The non-inverting input terminal of the operational amplifier U4A is connected to the voltage mutual inductance circuit 410, and the resistor R34 is connected between the inverting input terminal and the output terminal of the operational amplifier U4A. The resistor R34 is used to adjust the amplification ratio of the operational amplifier U4A, thereby realizing the amplification of the actual voltage signal.

[0082] The rectifier and filter circuit includes an operational amplifier (U4B), a current-limiting resistor (R32), a feedback resistor (R23), a feedback resistor (R29), a resistor (R24), a capacitor (C18), a pull-down resistor (R36), and a second limiter (D4). Resistor (R24) and capacitor (C18) form an RC filter circuit, and pull-down resistor (R36) is used to provide a reference voltage. The inverting input of the operational amplifier (U4B) is connected to a first non-inverting proportional amplifier circuit via a current-limiting resistor (R32). The first non-inverting proportional amplifier circuit is in turn connected to a voltage mutual inductance (VMT) circuit. Current-limiting resistor (R32) is connected to feedback resistor (R23), which is grounded via the RC filter circuit. The non-inverting input of the operational amplifier (U4B) is grounded via a pull-down resistor (R36). The output of the operational amplifier (U4B) is connected to the third pin of the second limiter (D4). The second pin of the second limiter (D4) is connected to the inverting input of the operational amplifier (U4B), and the first pin of the second limiter (D4) is connected to the inverting input of the operational amplifier (U4B) via a feedback resistor (R29). Through the coordinated work of various components, the actual voltage signal is rectified and filtered from an AC signal to a DC signal.

[0083] The inverting proportional amplifier circuit includes an operational amplifier U4C, a resistor R25, a feedback resistor R21, a pull-down resistor R31, a resistor R27, and a capacitor C19, wherein the resistor R27 and the capacitor C19 form an RC filter circuit. Specifically, the inverting input of the operational amplifier U4C is connected to the rectifier filter circuit, and the feedback resistor R21 is connected between the inverting input and the output of the operational amplifier U4C. The non-inverting input of the operational amplifier U4C is grounded via a pull-down resistor R31, and the output of the operational amplifier U4C is connected to the RC filter circuit formed by the resistor R27 and the capacitor C19.

[0084] The second non-inverting proportional amplifier circuit comprises an operational amplifier U4D, a current-limiting resistor R28, a feedback resistor R30, a pull-down resistor R22, and a current-limiting resistor R26. Specifically, the non-inverting input of the operational amplifier U4D is connected to the inverting proportional amplifier circuit via the current-limiting resistor R28, and the feedback resistor R30 is connected between the non-inverting input and output of the operational amplifier U4D. The inverting input of the operational amplifier U4D is grounded via the pull-down resistor R22, and the output of the operational amplifier U4D is also connected to the control terminal 100 via the current-limiting resistor R26.

[0085] The first in-phase proportional amplifier circuit, the rectifier and filter circuit, the inverting proportional amplifier circuit, and the second in-phase proportional amplifier circuit work together to convert the AC signal into a stable DC signal, and amplify, filter, and smooth the signal to make it suitable for the control end 100, thereby improving the signal quality and system reliability.

[0086] It should be noted that the above embodiments can be freely combined as needed. The above description is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention, and such improvements and modifications should also be considered as the scope of protection of the present invention.

Claims

1. A radio frequency energy output system, characterized in that: include: A control terminal, used for outputting a target voltage signal; A radio frequency energy control circuit connected to the control terminal; A radio frequency energy output circuit connected to the radio frequency energy control circuit; The RF energy control circuit includes a semiconductor switch element, which can be turned on to different degrees according to the magnitude of the target voltage signal, so that the RF energy output circuit outputs RF energy of corresponding magnitude; A radio frequency feedback circuit is connected to the radio frequency energy output circuit and is used to feed back an actual voltage signal corresponding to the radio frequency energy to the control end, so that the control end adjusts the magnitude of the target voltage signal according to the difference between the actual voltage signal and a preset voltage, thereby adjusting the magnitude of the radio frequency energy.

2. The radio frequency energy output system according to claim 1, characterized in that: The radio frequency energy control circuit further includes: transformer; The semiconductor switching element includes a first electrode, a second electrode, and a third electrode; the first electrode is connected to the control end, and is used to receive the target voltage signal and control the degree of conduction between the second electrode and the third electrode according to the target voltage signal; one of the second electrode and the third electrode is grounded, and the other electrode is connected to the primary side of the transformer; and the secondary side of the transformer is connected to the RF energy output circuit.

3. The radio frequency energy output system according to claim 2, characterized in that: The semiconductor switch element is an IGBT, the first electrode is the gate of the IGBT, the second electrode is the emitter of the IGBT, and the third electrode is the collector of the IGBT; The second electrode is grounded, and the third electrode is connected to the primary side of the transformer.

4. The radio frequency energy output system according to claim 2, characterized in that: The radio frequency energy output circuit comprises: Primary filter circuit, secondary filter circuit, tertiary filter circuit; The first-stage filter circuit includes: a first inductor, a first capacitor, a second capacitor and a third capacitor; the second-stage filter circuit includes: a second inductor, a fourth capacitor, a fifth capacitor and a sixth capacitor; the third-stage filter circuit includes: a third inductor, a seventh capacitor and an eighth capacitor; One end of the first inductor is connected to one end of the secondary side of the transformer, the other end of the first inductor is connected to the other end of the secondary side of the transformer via the first capacitor and the second capacitor, one end of the third capacitor is connected between the first capacitor and the second capacitor, and the other end of the third capacitor is connected to the secondary filter circuit; One end of the second inductor is connected to the primary filter circuit, the other end of the second inductor is connected to the other end of the secondary side of the transformer through the fourth capacitor and the fifth capacitor, one end of the sixth capacitor is connected between the fourth capacitor and the fifth capacitor, and the other end of the sixth capacitor is connected to the three-stage filter circuit; One end of the third inductor is connected to the secondary filter circuit, the other end of the third inductor is connected to the first output socket through the seventh capacitor, one end of the eighth capacitor is connected to the other end of the secondary side of the transformer, and the other end of the eighth capacitor is connected to the second output socket.

5. The radio frequency energy output system according to claim 4, characterized in that: The radio frequency energy output circuit further includes: a first bleeder resistor and a second bleeder resistor; One end of the third inductor is connected to the other end of the secondary side of the transformer through the first bleeder resistor and the second bleeder resistor which are arranged in parallel.

6. The radio frequency energy output system according to claim 1, characterized in that: The radio frequency feedback circuit includes: a voltage mutual inductance circuit, connected to the radio frequency energy output circuit, and configured to obtain the actual voltage signal corresponding to the radio frequency energy; An active filtering amplifier circuit is connected to the voltage mutual inductance circuit and is used to amplify the actual voltage signal and rectify and filter it into a DC signal for transmission to the control end.

7. The radio frequency energy output system according to claim 6, characterized in that: The voltage mutual induction circuit comprises: Voltage transformer, first limiter; The primary side of the voltage transformer is connected to the radio frequency energy output circuit for obtaining the actual voltage signal, the first end of the secondary side of the voltage transformer is grounded, and the second end of the secondary side of the voltage transformer is connected to the active filter amplifier circuit; The first limiter is connected between the second end of the secondary side of the voltage transformer and the active filtering amplifier circuit.

8. The radio frequency energy output system according to claim 7, characterized in that: The voltage mutual induction circuit further includes: a first voltage-dividing resistor and a second voltage-dividing resistor; The first voltage-dividing resistor is connected between the first end of the secondary side of the voltage transformer and the active filtering amplifier circuit; one end of the second voltage-dividing resistor is connected between the first voltage-dividing resistor and the active filtering amplifier circuit, and the other end is grounded.

9. The radio frequency energy output system according to claim 8, characterized in that: The active filtering amplifier circuit comprises: operational amplifier, second limiter; The inverting input terminal of the operational amplifier is connected to the voltage mutual inductance circuit, the non-inverting input terminal of the operational amplifier is grounded, the output terminal of the operational amplifier is connected to the third pin of the second limiter, and the first pin and the second pin of the second limiter are connected to the inverting input terminal of the operational amplifier.

10. A breast peeling device, characterized in that: A radio frequency energy output system comprising any one of claims 1 to 9.

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