Dot matrix thermal therapy system

Abstract

The utility model discloses a dot matrix thermal therapy system, which is characterized in that a 12MHZ frequency signal is generated by a 12MHZ active crystal oscillator, a 6MHZ frequency signal is realized through a D trigger by buying two frequency divisions, the 6MHZ signal achieves an output peak 6MHZ envelope signal by controlling LC resonance, and the final peak value can reach 200V; and according to the real work gear, the 18-60V output adjustable intelligent power supply gives signals through the MCU to obtain voltages of different gears. Meanwhile, human body resistance detection is added to the system, and output energy can be adjusted according to a real-time human body resistance detection value. The heating device can deeply heat dermis and subcutaneous tissues in a deep, uniform and volumetric manner. By heating the sublayer of the skin, this heat results in the production of collagen, referred to as new collagen production. The new collagen enables the skin to look more compact, and improves the overall texture of the skin.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and more specifically, to a fractional thermotherapy system. Background Technology

[0002] Currently, there are many fractional thermotherapy beauty devices on the market. These radiofrequency beauty devices can lift, tighten, and reduce wrinkles, lifting and tightening sagging or loose skin. Although these light-based devices and other thermotherapy technologies can also treat the hyperthermia layer of the skin, the treatment effect on the dermis and subcutaneous tissue is not ideal.

[0003] Existing technology CN217409571U discloses a radio frequency (RF) circuit for constant power in a beauty device, including an RF power supply circuit, an RF power drive circuit, an RF frequency selection circuit, and an impedance matching circuit. The output terminal of the RF power supply circuit is connected to the RF power drive circuit, and the output terminal of the RF power drive circuit is connected to the RF frequency selection circuit and the impedance matching circuit. This invention proposes an RF circuit for constant power in a beauty device that automatically adjusts the output power of the RF wave according to different skin conditions, effectively avoiding differences in user experience caused by differences in skin impedance. However, there is still room for improvement in the treatment effect of this product on the dermis and subcutaneous tissue. Utility Model Content

[0004] In view of the above problems, the purpose of this utility model is to provide a fractional hyperthermia system, the system comprising: a power supply module, a power interface module, an inductor module, an LC resonant module, a 6MHz signal output module, a PWM modulation output module, an output control module, a signal generation module, a power distribution module, and a human body resistance detection module;

[0005] The power module supplies power to the system;

[0006] The output control module sends signals to control the PWM modulation output module to generate PWM modulation signals according to requirements;

[0007] The PWM modulation output module sends a PWM modulation signal to the power interface module;

[0008] The power interface module is used to connect an external power source and adjust the voltage of the external power source according to the PWM modulation signal before sending it to the inductor module.

[0009] The inductor module filters the power supply voltage and sends the filtered power supply voltage to the LC resonant module;

[0010] The output control module sends a signal to control the signal generation module to generate a 12MHz frequency signal according to the demand, and sends the 12MHz frequency signal to the power distribution module.

[0011] The power distribution module divides the 12MHz frequency signal to obtain a 6MHz frequency signal, and sends the 6MHz frequency signal to the LC resonant module;

[0012] The LC resonant module resonates with the power supply voltage based on the 6MHz frequency signal and outputs a 6MHz envelope signal to the 6MHz signal output module for output.

[0013] The human body resistance detection module detects the 6MHz envelope signal and feeds back the output signal based on the detected human body resistance value. Then, the feedback signal is sent to the output control module to adjust the control requirements in real time.

[0014] Preferably, the power module includes: socket J5, transformer T2, polarized capacitor C34, capacitor C35, polarized capacitor C36, capacitor C71, chip U5, capacitor C45, polarized capacitor C37, polarized capacitor C38, and capacitor C44.

[0015] Socket J5 is used to connect an external power supply;

[0016] Pin 1 of connector J5 is connected to pin 2 of transformer T2, pin 3 of transformer T2 is connected to the 12-A terminal of 12V DC power supply, pin 1 of transformer T2 is grounded, and pin 4 of transformer T2 is DC grounded.

[0017] The positive terminal of the polarized capacitor C34 is connected to pin 1 of the socket J5, and the negative terminal of the polarized capacitor C34 is grounded.

[0018] One end of capacitor C35 is connected to pin 1 of socket J5, and the other end is grounded;

[0019] The positive terminal of the polarized capacitor C36 is connected to pin 1 of the socket J5, and the negative terminal of the polarized capacitor C36 is grounded.

[0020] One end of capacitor C71 is connected to pin 1 of socket J5, and the other end is grounded;

[0021] Pin 1 of chip U5 is connected to a 12V DC power supply, pin 2 is grounded, and pin 3 outputs +5V power.

[0022] One end of capacitor C45 is connected to pin 1 of chip U5, and the other end is grounded;

[0023] The positive terminal of the polarized capacitor C37 is connected to pin 1 of the chip U5, and the negative terminal is grounded;

[0024] The positive terminal of the polarized capacitor C38 is connected to pin 3 of the chip U5, and the negative terminal is grounded;

[0025] One end of capacitor C44 is connected to pin 3 of chip U5, and the other end is grounded.

[0026] Preferably, the output control module includes: socket J3, polarized capacitor C30, chip U2, resistor R13, resistor R14, test point TP1, chip U3, resistor R12, resistor R11, capacitor C29, MOSFET Q1, capacitor C41, resistor R15, diode D9, resistor R16, and transistor Q34.

[0027] Connect pin 1 of socket J3 to the 12V-B terminal of a 12V DC power supply;

[0028] Pin 2 of connector J3 is connected to pin 5 of chip U2;

[0029] The positive terminal of the polarized capacitor C30 is connected to pin 1 of socket J3, and the negative terminal is connected to pin 2 of socket J3.

[0030] Pin 2 of chip U2 is connected to one end of resistor R13. The other end of resistor R13 is connected to one end of resistor R14 and one end of test point TP1. The other end of test point TP1 is grounded.

[0031] The other end of resistor R14 is connected to pin 2 of chip U3;

[0032] Pin 3 of chip U2 is grounded;

[0033] Pin 5 of chip U2 is connected to pin 2 of connector J3; pin 5 of chip U2 is also connected to the LC resonant module.

[0034] Pins 6 and 7 of chip U2 are connected to one end of resistor R12, and the other end of resistor R12 is connected to one end of resistor R11, one end of capacitor C29, and the gate of MOSFET Q1.

[0035] The other end of resistor R11 is connected to pin 5 of chip U2;

[0036] The other end of capacitor C29 is connected to pin 5 of chip U2;

[0037] The source of MOSFET Q1 is connected to pin 5 of chip U2;

[0038] The drain of MOSFET Q1 is connected to the LC resonant module;

[0039] One end of capacitor C41 is connected to the drain of MOSFET Q1, and the other end is grounded;

[0040] Pins 3 and 5 of chip U3 are grounded;

[0041] The eight pins of chip U3 are connected to the +5V power supply, one end of resistor R15, and the 6MHz signal output module, respectively.

[0042] The other end of resistor R15 is connected to pin 6 of chip U3 and the anode of diode D9, respectively.

[0043] The cathode of diode D9 is connected to the base of transistor Q34 and one end of resistor R16, respectively.

[0044] The other end of resistor R16 is grounded;

[0045] The collector of transistor Q34 is connected to the 6MHz signal output module;

[0046] The emitter of transistor Q34 is grounded.

[0047] Preferably, the power interface module includes a socket J2;

[0048] The inductor module includes: inductor L4, resistor R40, capacitor C28, and fuse F3;

[0049] The socket J2 is used to connect an external power supply;

[0050] Pin 1 of the J2 connector is connected to the PWM modulation module;

[0051] One end of the inductor L4 is connected to pin 3 of the socket J2, and the other end is connected to one end of the resistor R40, one end of the capacitor C28, and one end of the fuse F3.

[0052] The other end of fuse F3 is connected to the drain of MOSFET Q1;

[0053] The other end of resistor R40 is connected to pin 2 of socket J2;

[0054] The other end of capacitor R28 is connected to pin 2 of socket J2;

[0055] Pin 2 of connector J2 is also connected to the LC resonant module.

[0056] Preferably, the LC resonant module includes: capacitors C24, C25, C26, inductor L2, inductor L3, capacitors C27, C23, C14, C13, C12, C11, C68, C72, C73, inductor L1, capacitor C1, C18, C16, C15, C53, C74, C75, C76, C77, C78, ​​C79, C88, C89, C80, C22, C21, C20, C19, C46, ​​C92, C91, C90, and C93;

[0057] One end of capacitors C24, C25, and C26 is connected to pin 2 of socket J2, respectively.

[0058] The other ends of capacitors C24, C25, and C26 are connected to one end of inductor L2, respectively.

[0059] The other end of inductor L2 is connected to one end of capacitor C80, one end of capacitor C22, one end of capacitor C21, one end of capacitor C20, one end of capacitor C19, one end of capacitor C46, ​​one end of capacitor C18, one end of capacitor C16, one end of capacitor C15, one end of capacitor C53, one end of capacitor C74, one end of capacitor C75, one end of capacitor C76, one end of capacitor C77, one end of capacitor C78, ​​one end of capacitor C79, one end of capacitor C87, one end of capacitor C88, one end of capacitor C89, one end of capacitor C92, one end of capacitor C91, one end of capacitor C90, one end of capacitor C93, and the power distribution module, respectively.

[0060] The other ends of capacitors C80, C22, C21, C20, C19, C46, ​​C92, C91, C90, and C93 are grounded respectively.

[0061] The other ends of capacitors C18, C16, C15, C53, C74, C75, C76, C77, C78, ​​C79, C87, C88, and C89 are respectively connected to one end of inductor L1.

[0062] The other end of inductor L1 is connected to one end of capacitor C23, one end of capacitor C14, one end of capacitor C13, one end of capacitor C12, one end of capacitor C11, one end of capacitor C68, one end of capacitor C72, one end of capacitor C73, and one end of capacitor C1, respectively.

[0063] The other ends of capacitors C23, C14, C13, C12, C11, C68, C72, and C73 are grounded respectively.

[0064] The other end of capacitor C1 is connected to the 6MHz signal output module and the human body resistance detection module, respectively.

[0065] Preferably, the 6MHz signal output module includes output point RF1+, output point RF2+, output point RF3+, capacitor C94, resistor R2, and resistor R1;

[0066] One end of the output point RF1+ is connected to the other end of capacitor C1, and the other end of the output point RF1+ is connected to one end of capacitor C94. The other end of capacitor C94 is grounded.

[0067] One end of the output point RF2+ is connected to the other end of capacitor C1, and the other end of the output point RF2+ is connected to one end of capacitor C94.

[0068] One end of resistor R1 and one end of resistor R2 are respectively connected to the other end of capacitor C1;

[0069] The other ends of resistor R1 and resistor R2 are connected to one end of output point RF3+ respectively; the other end of output point RF3+ is connected to one end of capacitor C94.

[0070] Preferably, the human body resistance detection module includes: capacitor C43, capacitor C95, potentiometer RW1, capacitor C6, resistor R9, diode D1, diode D2, diode D3, diode D4, transformer T3, resistor R3, resistor R4, resistor R5, transformer T1, capacitor C2, diode D5, diode D6, diode D7, diode D8, resistor R10, capacitor C7, potentiometer RW2, capacitor C96, capacitor C42, chip U1, capacitor C10, capacitor C9, capacitor C8, socket J1, capacitor C4, polarized capacitor C5, capacitor C3, socket J14, and socket J13;

[0071] One end of resistor R3, one end of resistor R4, and one end of resistor R5 are respectively connected to the other end of capacitor C1;

[0072] The other ends of resistors R3, R4, and R5 are connected to pin 1 of transformer T3, respectively.

[0073] The other end of transformer T3 is connected to pin 1 of transformer T1, the other end of resistor R2, and the other end of resistor R1, respectively.

[0074] One end of capacitor C2 is connected to pin 2 of transformer T1, and the other end is grounded;

[0075] Pin 3 of transformer T1 is connected to the anode of diode D6 and the cathode of diode D7, respectively.

[0076] The four pins of transformer T1 are connected to the anode of diode D8 and the cathode of diode D5, respectively.

[0077] The cathodes of diode D6 and diode D8 are connected to one end of capacitor C7, one end of resistor R10, and one pin of potentiometer RW2, respectively.

[0078] The other end of capacitor C7 is grounded;

[0079] The other end of resistor R10 is grounded;

[0080] The anodes of diode D7 and diode D5 are grounded;

[0081] The center pin of potentiometer RW2 is connected to one end of capacitor C42, one end of capacitor C96, and pin 5 of chip U1, respectively.

[0082] The other pin of potentiometer RW2 is grounded;

[0083] The other end of capacitor C42 and the other end of capacitor C96 are grounded;

[0084] Pins 6 and 7 of chip U1 are connected to socket J14 respectively;

[0085] One end of capacitor C9 is connected to pin 6 and pin 7 of chip U1, and the other end is grounded;

[0086] Pin 8 of chip U1 is connected to a 12V power supply;

[0087] One end of capacitor C10 is connected to pin 8 of chip U1, and the other end is grounded;

[0088] Pin 4 of chip U1 is grounded;

[0089] Pins 1 and 2 of chip U1 are connected to socket J15 respectively;

[0090] One end of capacitor C8 is connected to pin 1 and pin 2 of chip U1, respectively;

[0091] Pin 3 of chip U1 is connected to one end of capacitor C43, one end of capacitor C95, and the center pin of potentiometer RW1, respectively.

[0092] The other end of capacitor C43 is grounded;

[0093] The other end of capacitor C95 is grounded;

[0094] One pin of potentiometer RW1 is grounded;

[0095] The other pin of potentiometer RW1 is connected to one end of capacitor C6, one end of resistor R9, the cathode of diode D1, and the cathode of diode D3, respectively.

[0096] The other end of capacitor C6 is grounded;

[0097] The other end of resistor R9 is grounded;

[0098] The anode of diode D1 is connected to pin 3 of transformer T3;

[0099] The anode of diode D3 is connected to pin 4 of transformer T3;

[0100] The anode of diode D2 is grounded, and the cathode of diode D2 is connected to pin 3 of transformer T3;

[0101] The anode of diode D4 is grounded, and the cathode of diode D4 is connected to pin 4 of transformer T3;

[0102] Pin 1 of socket J1 is connected to a 12V power supply;

[0103] Pin 2 of connector J1 is grounded;

[0104] One end of capacitor C4 is connected to pin 1 of socket J1, and the other end is grounded;

[0105] The positive terminal of the polarized capacitor C5 is connected to pin 1 of the socket J1, and the negative terminal of the polarized capacitor C5 is grounded.

[0106] The positive terminal of polarized capacitor C3 is connected to pin 1 of socket J1, and the negative terminal of polarized capacitor C5 is grounded.

[0107] Preferably, the signal generation module includes: capacitor C32, potentiometer RW3, resistor R27, resistor R28, diode D10, resistor R25, resistor R26, resistor R24, chip U4, resistor R21, resistor R18, resistor R17, resistor R19, resistor R22, resistor R23, resistor R20, capacitor C31, crystal oscillator X1, and capacitor C33;

[0108] One end of resistor R25 is connected to the power distribution module, and the other end is connected to one end of resistor R24;

[0109] One end of resistor R26 is connected to the power distribution module, and the other end is connected to one end of resistor R24;

[0110] The other end of resistor R24 ​​is connected to pin 9 of chip U4;

[0111] One end of resistor R21 is grounded, and the other end is connected to pin 5 of chip U4, pin 11 of chip U4, and one end of resistor R22 respectively.

[0112] The other end of resistor R22 is connected to pin 12 of chip U4;

[0113] One end of capacitor C32 is grounded, and the other end is connected to one terminal pin and the center pin of potentiometer RW3.

[0114] The other pin of potentiometer RW3 is connected to one end of resistor R27;

[0115] The other end of resistor R27 is connected to one end of resistor R28 and pin 8 of chip U4.

[0116] The other end of resistor R28 is connected to the anode of diode D10;

[0117] The cathode of diode D10 is connected to the center terminal of potentiometer RW3 and pin 13 of chip U4, respectively.

[0118] Pin 7 of chip U4 is grounded;

[0119] One end of resistor R23 is connected to pin 10 of chip U4, and the other end is connected to pin 14 of chip U4;

[0120] Pin 6 of chip U4 is connected to pin 2 of chip U4;

[0121] Pin 1 of chip U4 is connected to the collector of transistor Q34;

[0122] One end of resistor R17 is connected to pin 4 of chip U4, and the other end is connected to one end of resistor R18 and the 5V power supply.

[0123] The other end of resistor R18 is connected to the collector of transistor Q34;

[0124] One end of resistor R19 is connected to pin 3 of chip U4, and the other end is connected to one end of capacitor C31, pin 4 of crystal oscillator X1, and 5V power supply respectively.

[0125] The other end of capacitor C31 is grounded;

[0126] Pin 3 of crystal oscillator X1 is connected to pin 3 of chip U4;

[0127] One end of resistor R20 is connected to pin 3 of crystal oscillator X1 and pin 3 of chip U4 respectively;

[0128] The other end of resistor R20 is grounded;

[0129] Pin 2 of crystal oscillator X1 is grounded;

[0130] Pin 14 of chip U4 is connected to one end of capacitor C33 and the 5V power supply, respectively.

[0131] The other end of capacitor C33 is grounded.

[0132] Preferably, the PWM modulation output module includes: test point TP2, resistor R6, resistor R37, polarized capacitor C60, chip U8, capacitor C66, polarized capacitor C62, capacitor C67, resistor R7, capacitor C61, diode D11, resistor R8, and potentiometer RW4.

[0133] One end of the test point TP2 is grounded, and the other end is connected to one end of the resistor R6;

[0134] The other end of resistor R6 is connected to pin 5 of chip U8, the positive terminal of polarized capacitor C60, and one end of resistor R37.

[0135] The other end of resistor R37 is grounded;

[0136] The negative terminal of a polarized capacitor is grounded;

[0137] Pin 1 and pin 2 of chip U8 are connected;

[0138] Pin 3 and pin 4 of chip U8 are connected, and pin 4 of chip U8 is grounded;

[0139] The 8 pins of chip U8 are connected to one end of capacitor C66, the positive terminal of polarized capacitor C62, and a 12V DC power supply, respectively.

[0140] The other end of capacitor C66 is grounded;

[0141] The negative terminal of polarized capacitor C62 is grounded;

[0142] Pin 6 and pin 7 of chip U8 are connected;

[0143] One end of resistor R7 is connected to pin 7 of chip U8, and the other end is connected to one end of capacitor C61 and the anode of diode D11.

[0144] The other end of capacitor C61 is grounded;

[0145] The cathode of diode D11 is connected to pin 1 of socket J2 and one end of resistor R8, respectively.

[0146] The other end of resistor R8 is connected to one terminal pin and the center pin of potentiometer RW4, respectively.

[0147] The other pin of potentiometer RW4 is grounded;

[0148] One end of capacitor C67 is connected to pin 7 of chip U8, and the other end is grounded.

[0149] Preferably, the power distribution module includes: chip U6, capacitors C47, C48, C49, C39, C40, polarized capacitor C70, resistors R29, R30, R31, capacitor C83, capacitor C54, MOSFET Q2, resistor R42, capacitor C84, capacitor C57, resistor R32, MOSFET Q3, resistor R43, chip U7, capacitors C63, C64, C65, C55, C56, polarized capacitor C69, resistors R33, R34, R44, R45, MOSFET Q4, MOSFET Q5, capacitors C85, C58, R35, C86, C59, and R36;

[0150] Pin 1 of chip U6 is connected to one end of resistor R25;

[0151] Pin 2 and pin 4 of chip U6 are grounded;

[0152] Pin 3 of chip U6 is connected to one end of capacitor C47, one end of capacitor C48, one end of capacitor C49, one end of capacitor C39, one end of capacitor C40, the positive terminal of polarized capacitor C70, and a 12V DC power supply.

[0153] The other ends of capacitors C47, C48, and C49 are grounded respectively.

[0154] The other end of capacitor C39, the other end of capacitor C40, and the negative terminal of polarized capacitor C70 are grounded respectively;

[0155] One end of resistor R29 is connected to pin 5 of chip U6;

[0156] The other end of resistor R29 is connected to one end of capacitor C83, one end of capacitor C54, one end of resistor R31, and the gate of MOSFET Q2, respectively.

[0157] The other end of capacitor C83 is grounded;

[0158] The other end of capacitor C54 is grounded;

[0159] The other end of resistor R31 is grounded;

[0160] One end of resistor R30 is connected to pin 5 of chip U6;

[0161] The other end of resistor R30 is connected to one end of capacitor C84, one end of capacitor C57, one end of resistor R32, and the gate of MOSFET Q3, respectively.

[0162] The other end of capacitor C84 is grounded;

[0163] The other end of capacitor C57 is grounded;

[0164] The other end of resistor R32 is grounded;

[0165] One end of resistor R42 is connected to the drain of MOSFET Q1;

[0166] The other end of resistor R42 is connected to one end of resistor R43, one end of resistor R44, one end of resistor R45, and the other end of inductor L2, respectively.

[0167] The source of MOSFET Q2 is connected to the source of MOSFET Q4 and the source of MOSFET Q5, respectively.

[0168] The source of MOSFET Q2 is grounded at radio frequency.

[0169] The other end of resistor R43 is connected to the drain of MOSFET Q3;

[0170] The other end of resistor R44 is connected to the drain of MOSFET Q4;

[0171] The other end of resistor R45 is connected to the drain of MOSFET Q5;

[0172] The gate of MOSFET Q4 is connected to one end of capacitor C85, one end of capacitor C58, and one end of resistor R35, respectively.

[0173] The other end of capacitor C85 is grounded;

[0174] The other end of capacitor C58 is grounded;

[0175] The other end of resistor R35 is grounded;

[0176] The gate of MOSFET Q5 is connected to one end of capacitor C86, one end of capacitor C59, and one end of resistor R36, respectively.

[0177] The other end of capacitor C86 is grounded;

[0178] The other end of capacitor C59 is grounded;

[0179] The other end of resistor R36 is grounded;

[0180] One end of resistor R33 is connected to the gate of MOSFET Q4;

[0181] The other end of resistor R33 is connected to pin 5 of chip U7;

[0182] One end of resistor R34 is connected to the gate of MOSFET Q5;

[0183] The other end of resistor R34 is connected to pin 5 of chip U7;

[0184] Pin 2 and pin 4 of chip U7 are grounded;

[0185] Pin 1 of chip U7 is connected to one end of resistor R26;

[0186] Pin 3 of chip U7 is connected to one end of capacitor C63, one end of capacitor C64, one end of capacitor C65, one end of capacitor C55, one end of capacitor C56, the positive terminal of polarized capacitor C69, and a 12V DC power supply.

[0187] The other ends of capacitors C63, C64, and C65 are grounded respectively.

[0188] The other ends of capacitor C55, capacitor C56, and polarized capacitor C69 are grounded respectively.

[0189] Compared with the prior art, the beneficial effects of this utility model's technical solution are:

[0190] This invention provides a fractional hyperthermia system. The system generates a 12MHz frequency signal using a 12MHz active crystal oscillator, which is then divided by 2 by a D flip-flop to achieve a 6MHz frequency signal. This 6MHz signal is controlled by an LC resonator to achieve a 6MHz envelope signal at the peak output, with a final peak voltage of 200V. The power levels are determined by an adjustable intelligent power supply with an output voltage of 18-60V, which is signaled by an MCU to obtain different voltage levels. Furthermore, the system incorporates human body resistance detection, allowing for adjustment of the output energy based on real-time human body resistance readings. This invention enables deep, uniform, and volumetric heating of the dermis and subcutaneous tissue. By heating the lower layer of the skin (the dermis), this heat induces collagen production, known as new collagen generation. This new collagen makes the skin appear firmer and improves the overall texture of the skin. Attached Figure Description

[0191] Figure 1 This is a block diagram of a fractional thermotherapy system as described in Example 1.

[0192] Figure 2 This is the circuit diagram for the power supply module.

[0193] Figure 3 This is the circuit diagram for the output control module.

[0194] Figure 4 This is the circuit diagram for the power interface module and the inductor module.

[0195] Figure 5 This is the circuit diagram of the LC resonant module.

[0196] Figure 6 This is a circuit diagram for a 6MHz signal output module.

[0197] Figure 7 This is the circuit diagram for a human body resistance detection module.

[0198] Figure 8 This is the circuit diagram for the signal generation module.

[0199] Figure 9 This is the circuit diagram of the PWM modulation output module.

[0200] Figure 10 This is the circuit diagram for the power distribution module.

[0201] Figure 11 This is the circuit diagram for the background light module.

[0202] Figure 12 This is the output frequency waveform diagram.

[0203] Figure 13 This is the waveform diagram of the output power envelope. Detailed Implementation

[0204] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0205] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0206] Example 1

[0207] like Figure 1 As shown, this embodiment discloses a fractional hyperthermia system, which includes: a power supply module, a power interface module, an inductor module, an LC resonant module, a 6MHz signal output module, a PWM modulation output module, an output control module, a signal generation module, a power distribution module, and a human body resistance detection module.

[0208] The power module supplies power to the system;

[0209] The output control module sends signals to control the PWM modulation output module to generate PWM modulation signals according to requirements;

[0210] The PWM modulation output module sends a PWM modulation signal to the power interface module;

[0211] The power interface module is used to connect an external power source and adjust the voltage of the external power source according to the PWM modulation signal before sending it to the inductor module.

[0212] The inductor module filters the power supply voltage and sends the filtered power supply voltage to the LC resonant module;

[0213] The output control module sends a signal to control the signal generation module to generate a 12MHz frequency signal according to the demand, and sends the 12MHz frequency signal to the power distribution module.

[0214] The power distribution module divides the 12MHz frequency signal to obtain a 6MHz frequency signal, and sends the 6MHz frequency signal to the LC resonant module;

[0215] The LC resonant module resonates with the power supply voltage based on the 6MHz frequency signal and outputs a 6MHz envelope signal to the 6MHz signal output module for output.

[0216] The human body resistance detection module detects the 6MHz envelope signal and feeds back the output signal based on the detected human body resistance value. Then, the feedback signal is sent to the output control module to adjust the control requirements in real time.

[0217] It should be noted that the power supply module described in this embodiment supplies power to each of the power-consuming modules of the system. The input terminal of the power interface module is connected to an external power source, the output terminal of the power interface is connected to the input of the inductor module, the output terminal of the inductor module is connected to the input of the LC resonant module, the output terminal of the LC resonant module is connected to the input of the 6MHz signal output module, and the 6MHz signal output module outputs voltages at different levels.

[0218] The input terminal of the human body resistance detection module is connected to the output terminal of the LC resonant module, the output terminal of the human body resistance detection module is connected to the input terminal of the output control module, and the output terminal of the output control module is connected to the input terminal of the signal generation module and the input terminal of the PWM modulation output module, respectively.

[0219] The output terminal of the signal generation module is connected to the input terminal of the power distribution module, and the output terminal of the power distribution module is connected to the input terminal of the LC resonant module.

[0220] The output terminal of the PWM modulation output module is connected to the power interface module.

[0221] Example 2

[0222] This embodiment discloses a fractional hyperthermia system, which includes: a power supply module, a power interface module, an inductor module, an LC resonant module, a 6MHz signal output module, a PWM modulation output module, an output control module, a signal generation module, a power distribution module, and a human body resistance detection module.

[0223] The power module supplies power to the system;

[0224] The output control module sends signals to control the PWM modulation output module to generate PWM modulation signals according to requirements;

[0225] The PWM modulation output module sends a PWM modulation signal to the power interface module;

[0226] The power interface module is used to connect an external power source and adjust the voltage of the external power source according to the PWM modulation signal before sending it to the inductor module.

[0227] The inductor module filters the power supply voltage and sends the filtered power supply voltage to the LC resonant module;

[0228] The output control module sends a signal to control the signal generation module to generate a 12MHz frequency signal according to the demand, and sends the 12MHz frequency signal to the power distribution module.

[0229] The power distribution module divides the 12MHz frequency signal to obtain a 6MHz frequency signal, and sends the 6MHz frequency signal to the LC resonant module;

[0230] The LC resonant module resonates with the power supply voltage based on the 6MHz frequency signal and outputs a 6MHz envelope signal to the 6MHz signal output module for output.

[0231] The human body resistance detection module detects the 6MHz envelope signal and feeds back the output signal based on the detected human body resistance value. Then, the feedback signal is sent to the output control module to adjust the control requirements in real time.

[0232] It should be noted that the power supply module described in this embodiment supplies power to each of the power-consuming modules of the system. The input terminal of the power interface module is connected to an external power source, the output terminal of the power interface is connected to the input of the inductor module, the output terminal of the inductor module is connected to the input of the LC resonant module, the output terminal of the LC resonant module is connected to the input of the 6MHz signal output module, and the 6MHz signal output module outputs voltages at different levels.

[0233] The input terminal of the human body resistance detection module is connected to the output terminal of the LC resonant module, the output terminal of the human body resistance detection module is connected to the input terminal of the output control module, and the output terminal of the output control module is connected to the input terminal of the signal generation module and the input terminal of the PWM modulation output module, respectively.

[0234] The output terminal of the signal generation module is connected to the input terminal of the power distribution module, and the output terminal of the power distribution module is connected to the input terminal of the LC resonant module.

[0235] The output terminal of the PWM modulation output module is connected to the power interface module.

[0236] like Figure 2 As shown, the power module includes: socket J5, transformer T2, polarized capacitor C34, capacitor C35, polarized capacitor C36, capacitor C71, chip U5, capacitor C45, polarized capacitor C37, polarized capacitor C38, and capacitor C44.

[0237] Socket J5 is used to connect an external power supply; Socket J5 is used as a connector to enable the external power supply to connect to the motherboard, and its model number is 3.69MM / 2PIN.

[0238] Pin 1 of connector J5 is connected to pin 2 of transformer T2, pin 3 of transformer T2 is connected to the 12-A terminal of 12V DC power supply, pin 1 of transformer T2 is grounded, and pin 4 of transformer T2 is DC grounded.

[0239] The positive terminal of the polarized capacitor C34 is connected to pin 1 of the socket J5, and the negative terminal of the polarized capacitor C34 is grounded.

[0240] One end of capacitor C35 is connected to pin 1 of socket J5, and the other end is grounded;

[0241] The positive terminal of the polarized capacitor C36 is connected to pin 1 of the socket J5, and the negative terminal of the polarized capacitor C36 is grounded.

[0242] One end of capacitor C71 is connected to pin 1 of socket J5, and the other end is grounded;

[0243] Chip U5 is used to implement DC / DC voltage conversion; its model number is LM7805.

[0244] Pin 1 of chip U5 is connected to a 12V DC power supply, pin 2 is grounded, and pin 3 outputs +5V power.

[0245] One end of capacitor C45 is connected to pin 1 of chip U5, and the other end is grounded;

[0246] The positive terminal of the polarized capacitor C37 is connected to pin 1 of the chip U5, and the negative terminal is grounded;

[0247] The positive terminal of the polarized capacitor C38 is connected to pin 3 of the chip U5, and the negative terminal is grounded;

[0248] One end of capacitor C44 is connected to pin 3 of chip U5, and the other end is grounded.

[0249] It should be noted that the power module described in this embodiment provides +5V and 12V DC power to the system.

[0250] like Figure 3 As shown, the output control module includes: socket J3, polarized capacitor C30, chip U2, resistor R13, resistor R14, test point TP1, chip U3, resistor R12, resistor R11, capacitor C29, MOSFET Q1, capacitor C41, resistor R15, diode D9, resistor R16, and transistor Q34.

[0251] The chip U2 is an optocoupler used for signal isolation driving, and its model number is TLP250.

[0252] The chip U3 is also an optocoupler used for signal isolation driving, and its model number is 6N137.

[0253] Connect pin 1 of socket J3 to the 12V-B terminal of a 12V DC power supply;

[0254] Pin 2 of connector J3 is connected to pin 5 of chip U2;

[0255] The positive terminal of the polarized capacitor C30 is connected to pin 1 of socket J3, and the negative terminal is connected to pin 2 of socket J3.

[0256] Pin 2 of chip U2 is connected to one end of resistor R13. The other end of resistor R13 is connected to one end of resistor R14 and one end of test point TP1. The other end of test point TP1 is grounded.

[0257] The other end of resistor R14 is connected to pin 2 of chip U3;

[0258] Pin 3 of chip U2 is grounded;

[0259] Pin 5 of chip U2 is connected to pin 2 of connector J3; pin 5 of chip U2 is also connected to the LC resonant module.

[0260] Pins 6 and 7 of chip U2 are connected to one end of resistor R12, and the other end of resistor R12 is connected to one end of resistor R11, one end of capacitor C29, and the gate of MOSFET Q1.

[0261] The other end of resistor R11 is connected to pin 5 of chip U2;

[0262] The other end of capacitor C29 is connected to pin 5 of chip U2;

[0263] The source of MOSFET Q1 is connected to pin 5 of chip U2;

[0264] The drain of MOSFET Q1 is connected to the LC resonant module;

[0265] One end of capacitor C41 is connected to the drain of MOSFET Q1, and the other end is grounded;

[0266] Pins 3 and 5 of chip U3 are grounded;

[0267] The eight pins of chip U3 are connected to the +5V power supply, one end of resistor R15, and the 6MHz signal output module, respectively.

[0268] The other end of resistor R15 is connected to pin 6 of chip U3 and the anode of diode D9, respectively.

[0269] The cathode of diode D9 is connected to the base of transistor Q34 and one end of resistor R16, respectively.

[0270] The other end of resistor R16 is grounded;

[0271] The collector of transistor Q34 is connected to the 6MHz signal output module;

[0272] The emitter of transistor Q34 is grounded.

[0273] like Figure 4 As shown, the power interface module includes a socket J2;

[0274] The inductor module includes: inductor L4, resistor R40, capacitor C28, and fuse F3;

[0275] The J2 connector serves as a connector for connecting an external power supply; it enables the connection between the external power supply and the PWM modulation module, which is 3.96mm / 3pin.

[0276] Pin 1 of the J2 connector is connected to the PWM modulation module;

[0277] One end of the inductor L4 is connected to pin 3 of the socket J2, and the other end is connected to one end of the resistor R40, one end of the capacitor C28, and one end of the fuse F3.

[0278] The other end of fuse F3 is connected to the drain of MOSFET Q1;

[0279] The other end of resistor R40 is connected to pin 2 of socket J2;

[0280] The other end of capacitor R28 is connected to pin 2 of socket J2;

[0281] Pin 2 of connector J2 is also connected to the LC resonant module.

[0282] like Figure 5 As shown, the LC resonant module includes: capacitors C24, C25, C26, inductor L2, inductor L3, capacitors C27, C23, C14, C13, C12, C11, C68, C72, C73, inductor L1, capacitor C1, C18, C16, C15, C53, C74, C75, C76, C77, C78, ​​C79, C88, C89, C80, C22, C21, C20, C19, C46, ​​C92, C91, C90, and C93.

[0283] One end of capacitors C24, C25, and C26 is connected to pin 2 of socket J2, respectively.

[0284] The other ends of capacitors C24, C25, and C26 are connected to one end of inductor L2, respectively.

[0285] The other end of inductor L2 is connected to one end of capacitor C80, one end of capacitor C22, one end of capacitor C21, one end of capacitor C20, one end of capacitor C19, one end of capacitor C46, ​​one end of capacitor C18, one end of capacitor C16, one end of capacitor C15, one end of capacitor C53, one end of capacitor C74, one end of capacitor C75, one end of capacitor C76, one end of capacitor C77, one end of capacitor C78, ​​one end of capacitor C79, one end of capacitor C87, one end of capacitor C88, one end of capacitor C89, one end of capacitor C92, one end of capacitor C91, one end of capacitor C90, one end of capacitor C93, and the power distribution module, respectively.

[0286] The other ends of capacitors C80, C22, C21, C20, C19, C46, ​​C92, C91, C90, and C93 are grounded respectively.

[0287] The other ends of capacitors C18, C16, C15, C53, C74, C75, C76, C77, C78, ​​C79, C87, C88, and C89 are respectively connected to one end of inductor L1.

[0288] The other end of inductor L1 is connected to one end of capacitor C23, one end of capacitor C14, one end of capacitor C13, one end of capacitor C12, one end of capacitor C11, one end of capacitor C68, one end of capacitor C72, one end of capacitor C73, and one end of capacitor C1, respectively.

[0289] The other ends of capacitors C23, C14, C13, C12, C11, C68, C72, and C73 are grounded respectively.

[0290] The other end of capacitor C1 is connected to the 6MHz signal output module and the human body resistance detection module, respectively.

[0291] like Figure 6 As shown, the 6MHz signal output module includes output point RF1+, output point RF2+, output point RF3+, capacitor C94, resistor R2, and resistor R1;

[0292] One end of the output point RF1+ is connected to the other end of capacitor C1, and the other end of the output point RF1+ is connected to one end of capacitor C94. The other end of capacitor C94 is grounded.

[0293] One end of the output point RF2+ is connected to the other end of capacitor C1, and the other end of the output point RF2+ is connected to one end of capacitor C94.

[0294] One end of resistor R1 and one end of resistor R2 are respectively connected to the other end of capacitor C1;

[0295] The other ends of resistor R1 and resistor R2 are connected to one end of output point RF3+ respectively; the other end of output point RF3+ is connected to one end of capacitor C94.

[0296] like Figure 7 As shown, the human body resistance detection module includes: capacitor C43, capacitor C95, potentiometer RW1, capacitor C6, resistor R9, diode D1, diode D2, diode D3, diode D4, transformer T3, resistor R3, resistor R4, resistor R5, transformer T1, capacitor C2, diode D5, diode D6, diode D7, diode D8, resistor R10, capacitor C7, potentiometer RW2, capacitor C96, capacitor C42, chip U1, capacitor C10, capacitor C9, capacitor C8, socket J1, capacitor C4, polarized capacitor C5, capacitor C3, socket J14, and socket J13.

[0297] The chip U1 is an LM358 operational amplifier, which amplifies the voltage detected by human body resistance.

[0298] The socket J1 is a spare connector, and its model is 3.96MM / 2PIN;

[0299] One end of resistor R3, one end of resistor R4, and one end of resistor R5 are respectively connected to the other end of capacitor C1;

[0300] The other ends of resistors R3, R4, and R5 are connected to pin 1 of transformer T3, respectively.

[0301] The other end of transformer T3 is connected to pin 1 of transformer T1, the other end of resistor R2, and the other end of resistor R1, respectively.

[0302] One end of capacitor C2 is connected to pin 2 of transformer T1, and the other end is grounded;

[0303] Pin 3 of transformer T1 is connected to the anode of diode D6 and the cathode of diode D7, respectively.

[0304] The four pins of transformer T1 are connected to the anode of diode D8 and the cathode of diode D5, respectively.

[0305] The cathodes of diode D6 and diode D8 are connected to one end of capacitor C7, one end of resistor R10, and one pin of potentiometer RW2, respectively.

[0306] The other end of capacitor C7 is grounded;

[0307] The other end of resistor R10 is grounded;

[0308] The anodes of diode D7 and diode D5 are grounded;

[0309] The center pin of potentiometer RW2 is connected to one end of capacitor C42, one end of capacitor C96, and pin 5 of chip U1, respectively.

[0310] The other pin of potentiometer RW2 is grounded;

[0311] The other end of capacitor C42 and the other end of capacitor C96 are grounded;

[0312] Pins 6 and 7 of chip U1 are connected to socket J14 respectively;

[0313] One end of capacitor C9 is connected to pin 6 and pin 7 of chip U1, and the other end is grounded;

[0314] Pin 8 of chip U1 is connected to a 12V power supply;

[0315] One end of capacitor C10 is connected to pin 8 of chip U1, and the other end is grounded;

[0316] Pin 4 of chip U1 is grounded;

[0317] Pins 1 and 2 of chip U1 are connected to socket J15 respectively;

[0318] One end of capacitor C8 is connected to pin 1 and pin 2 of chip U1, respectively;

[0319] Pin 3 of chip U1 is connected to one end of capacitor C43, one end of capacitor C95, and the center pin of potentiometer RW1, respectively.

[0320] The other end of capacitor C43 is grounded;

[0321] The other end of capacitor C95 is grounded;

[0322] One pin of potentiometer RW1 is grounded;

[0323] The other pin of potentiometer RW1 is connected to one end of capacitor C6, one end of resistor R9, the cathode of diode D1, and the cathode of diode D3, respectively.

[0324] The other end of capacitor C6 is grounded;

[0325] The other end of resistor R9 is grounded;

[0326] The anode of diode D1 is connected to pin 3 of transformer T3;

[0327] The anode of diode D3 is connected to pin 4 of transformer T3;

[0328] The anode of diode D2 is grounded, and the cathode of diode D2 is connected to pin 3 of transformer T3;

[0329] The anode of diode D4 is grounded, and the cathode of diode D4 is connected to pin 4 of transformer T3;

[0330] Pin 1 of socket J1 is connected to a 12V power supply;

[0331] Pin 2 of connector J1 is grounded;

[0332] One end of capacitor C4 is connected to pin 1 of socket J1, and the other end is grounded;

[0333] The positive terminal of the polarized capacitor C5 is connected to pin 1 of the socket J1, and the negative terminal of the polarized capacitor C5 is grounded.

[0334] The positive terminal of polarized capacitor C3 is connected to pin 1 of socket J1, and the negative terminal of polarized capacitor C5 is grounded.

[0335] like Figure 8 As shown, the signal generation module includes: capacitor C32, potentiometer RW3, resistor R27, resistor R28, diode D10, resistor R25, resistor R26, resistor R24, chip U4, resistor R21, resistor R18, resistor R17, resistor R19, resistor R22, resistor R23, resistor R20, capacitor C31, crystal oscillator X1, and capacitor C33;

[0336] The chip U4 is a Class D flip-flop, model number 74ACT74, which is a 6MHz frequency generation module. The crystal oscillator X1 is an active crystal oscillator, model number 12MHz HC-49US10PF±10PPM, which is a 12MHz frequency generation device.

[0337] One end of resistor R25 is connected to the power distribution module, and the other end is connected to one end of resistor R24;

[0338] One end of resistor R26 is connected to the power distribution module, and the other end is connected to one end of resistor R24;

[0339] The other end of resistor R24 ​​is connected to pin 9 of chip U4;

[0340] One end of resistor R21 is grounded, and the other end is connected to pin 5 of chip U4, pin 11 of chip U4, and one end of resistor R22 respectively.

[0341] The other end of resistor R22 is connected to pin 12 of chip U4;

[0342] One end of capacitor C32 is grounded, and the other end is connected to one terminal pin and the center pin of potentiometer RW3.

[0343] The other pin of potentiometer RW3 is connected to one end of resistor R27;

[0344] The other end of resistor R27 is connected to one end of resistor R28 and pin 8 of chip U4.

[0345] The other end of resistor R28 is connected to the anode of diode D10;

[0346] The cathode of diode D10 is connected to the center terminal of potentiometer RW3 and pin 13 of chip U4, respectively.

[0347] Pin 7 of chip U4 is grounded;

[0348] One end of resistor R23 is connected to pin 10 of chip U4, and the other end is connected to pin 14 of chip U4;

[0349] Pin 6 of chip U4 is connected to pin 2 of chip U4;

[0350] Pin 1 of chip U4 is connected to the collector of transistor Q34;

[0351] One end of resistor R17 is connected to pin 4 of chip U4, and the other end is connected to one end of resistor R18 and the 5V power supply.

[0352] The other end of resistor R18 is connected to the collector of transistor Q34;

[0353] One end of resistor R19 is connected to pin 3 of chip U4, and the other end is connected to one end of capacitor C31, pin 4 of crystal oscillator X1, and 5V power supply respectively.

[0354] The other end of capacitor C31 is grounded;

[0355] Pin 3 of crystal oscillator X1 is connected to pin 3 of chip U4;

[0356] One end of resistor R20 is connected to pin 3 of crystal oscillator X1 and pin 3 of chip U4 respectively;

[0357] The other end of resistor R20 is grounded;

[0358] Pin 2 of crystal oscillator X1 is grounded;

[0359] Pin 14 of chip U4 is connected to one end of capacitor C33 and the 5V power supply, respectively.

[0360] The other end of capacitor C33 is grounded.

[0361] like Figure 9 As shown, the PWM modulation output module includes: test point TP2, resistor R6, resistor R37, polarized capacitor C60, chip U8, capacitor C66, polarized capacitor C62, capacitor C67, resistor R7, capacitor C61, diode D11, resistor R8, and potentiometer RW4.

[0362] The chip U8 is an operational amplifier, a power supply PWM operational voltage conversion circuit, and its model number is LM358.

[0363] One end of the test point TP2 is grounded, and the other end is connected to one end of the resistor R6;

[0364] The other end of resistor R6 is connected to pin 5 of chip U8, the positive terminal of polarized capacitor C60, and one end of resistor R37.

[0365] The other end of resistor R37 is grounded;

[0366] The negative terminal of a polarized capacitor is grounded;

[0367] Pin 1 and pin 2 of chip U8 are connected;

[0368] Pin 3 and pin 4 of chip U8 are connected, and pin 4 of chip U8 is grounded;

[0369] The 8 pins of chip U8 are connected to one end of capacitor C66, the positive terminal of polarized capacitor C62, and a 12V DC power supply, respectively.

[0370] The other end of capacitor C66 is grounded;

[0371] The negative terminal of polarized capacitor C62 is grounded;

[0372] Pin 6 and pin 7 of chip U8 are connected;

[0373] One end of resistor R7 is connected to pin 7 of chip U8, and the other end is connected to one end of capacitor C61 and the anode of diode D11.

[0374] The other end of capacitor C61 is grounded;

[0375] The cathode of diode D11 is connected to pin 1 of socket J2 and one end of resistor R8, respectively.

[0376] The other end of resistor R8 is connected to one terminal pin and the center pin of potentiometer RW4, respectively.

[0377] The other pin of potentiometer RW4 is grounded;

[0378] One end of capacitor C67 is connected to pin 7 of chip U8, and the other end is grounded.

[0379] like Figure 10 As shown, the power distribution module includes: chip U6, capacitors C47, C48, C49, C39, C40, polarized capacitor C70, resistors R29, R30, R31, capacitor C83, capacitor C54, MOSFET Q2, resistor R42, capacitor C84, capacitor C57, resistor R32, MOSFET Q3, resistor R43, chip U7, capacitors C63, C64, C65, C55, C56, polarized capacitor C69, resistors R33, R34, R44, R45, MOSFET Q4, MOSFET Q5, capacitors C85, C58, R35, C86, C59, and R36.

[0380] Chips U6 and U7 are field-effect transistor preamplifiers, both of which are model TC4452.

[0381] Pin 1 of chip U6 is connected to one end of resistor R25;

[0382] Pin 2 and pin 4 of chip U6 are grounded;

[0383] Pin 3 of chip U6 is connected to one end of capacitor C47, one end of capacitor C48, one end of capacitor C49, one end of capacitor C39, one end of capacitor C40, the positive terminal of polarized capacitor C70, and a 12V DC power supply.

[0384] The other ends of capacitors C47, C48, and C49 are grounded respectively.

[0385] The other end of capacitor C39, the other end of capacitor C40, and the negative terminal of polarized capacitor C70 are grounded respectively;

[0386] One end of resistor R29 is connected to pin 5 of chip U6;

[0387] The other end of resistor R29 is connected to one end of capacitor C83, one end of capacitor C54, one end of resistor R31, and the gate of MOSFET Q2, respectively.

[0388] The other end of capacitor C83 is grounded;

[0389] The other end of capacitor C54 is grounded;

[0390] The other end of resistor R31 is grounded;

[0391] One end of resistor R30 is connected to pin 5 of chip U6;

[0392] The other end of resistor R30 is connected to one end of capacitor C84, one end of capacitor C57, one end of resistor R32, and the gate of MOSFET Q3, respectively.

[0393] The other end of capacitor C84 is grounded;

[0394] The other end of capacitor C57 is grounded;

[0395] The other end of resistor R32 is grounded;

[0396] One end of resistor R42 is connected to the drain of MOSFET Q1;

[0397] The other end of resistor R42 is connected to one end of resistor R43, one end of resistor R44, one end of resistor R45, and the other end of inductor L2, respectively.

[0398] The source of MOSFET Q2 is connected to the source of MOSFET Q4 and the source of MOSFET Q5, respectively.

[0399] The source of MOSFET Q2 is grounded at radio frequency.

[0400] The other end of resistor R43 is connected to the drain of MOSFET Q3;

[0401] The other end of resistor R44 is connected to the drain of MOSFET Q4;

[0402] The other end of resistor R45 is connected to the drain of MOSFET Q5;

[0403] The gate of MOSFET Q4 is connected to one end of capacitor C85, one end of capacitor C58, and one end of resistor R35, respectively.

[0404] The other end of capacitor C85 is grounded;

[0405] The other end of capacitor C58 is grounded;

[0406] The other end of resistor R35 is grounded;

[0407] The gate of MOSFET Q5 is connected to one end of capacitor C86, one end of capacitor C59, and one end of resistor R36, respectively.

[0408] The other end of capacitor C86 is grounded;

[0409] The other end of capacitor C59 is grounded;

[0410] The other end of resistor R36 is grounded;

[0411] One end of resistor R33 is connected to the gate of MOSFET Q4;

[0412] The other end of resistor R33 is connected to pin 5 of chip U7;

[0413] One end of resistor R34 is connected to the gate of MOSFET Q5;

[0414] The other end of resistor R34 is connected to pin 5 of chip U7;

[0415] Pin 2 and pin 4 of chip U7 are grounded;

[0416] Pin 1 of chip U7 is connected to one end of resistor R26;

[0417] Pin 3 of chip U7 is connected to one end of capacitor C63, one end of capacitor C64, one end of capacitor C65, one end of capacitor C55, one end of capacitor C56, the positive terminal of polarized capacitor C69, and a 12V DC power supply.

[0418] The other ends of capacitors C63, C64, and C65 are grounded respectively.

[0419] The other ends of capacitor C55, capacitor C56, and polarized capacitor C69 are grounded respectively.

[0420] like Figure 11 As shown, the fractional thermotherapy system also includes a background light module, which includes: a socket J4, a resistor R38, a resistor R39, a polarized capacitor EC1, and an inductor L5.

[0421] The J4 connector is a 12V power adapter, with a model number of 3.96mm / 2pin.

[0422] One end of the resistor R38 is connected to pin 1 of the socket J4, and the other end of the resistor R38 is connected to one end of the inductor L5 and the positive terminal of the polarized capacitor EC1.

[0423] The other end of inductor L5 is connected to a 12V DC power supply;

[0424] One end of resistor R39 is connected to pin 2 of socket J4, and the other end of resistor R39 is grounded;

[0425] The negative terminal of the polarized capacitor EC1 is grounded.

[0426] As a specific embodiment, the basic power drive principle of the system described in this embodiment is to generate a 12MHz frequency signal through a 12MHz active crystal oscillator, which is then divided by 2 by a D flip-flop to achieve a 6MHz frequency signal. The 6MHz signal is controlled by LC resonance to achieve a 6MHz envelope signal with a peak value of up to 200V. The actual power levels are obtained by a 18-60V adjustable intelligent power supply, which receives signals from the MCU to determine the voltage levels for each level.

[0427] This embodiment further incorporates human body resistance detection, which allows for adjustment of the output energy based on real-time human body resistance values. The output frequency waveform is as follows: Figure 12 As shown, the output power envelope waveform is as follows: Figure 13 As shown.

[0428] In the several embodiments provided in this application, it should be understood that the disclosed devices and methods can be implemented in other ways. The device embodiments described above are merely illustrative. For example, the division of units is only a logical functional division, and in actual implementation, there may be other division methods, such as: multiple units or components can be combined, or integrated into another system, or some features can be ignored or not executed. In addition, the coupling, direct coupling, or communication connection between the various components shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be electrical, mechanical, or other forms.

Claims

1. A fractional thermotherapy system, characterized in that, The system includes: an external power module, a power interface module, an inductor module, an LC resonant module, a 6MHz signal output module, a PWM modulation output module, an output control module, a signal generation module, a power distribution module, and a human body resistance detection module. The power module supplies power to the system; The output control module controls the PWM modulation output module to generate a PWM modulation signal based on user needs and human body resistance detection signal. The PWM modulation output module sends a PWM modulation signal to the power interface module; The power interface module is used to connect an external power source and adjust the voltage of the external power source according to the PWM modulation signal before sending it to the inductor module. The inductor module boosts the power supply voltage and sends the boosted voltage to the LC resonant module; The output control module sends a signal to control the signal generation module to generate a 12MHz frequency signal according to the demand, and sends the 12MHz frequency signal to the power distribution module. The power distribution module divides the 12MHz frequency signal to obtain a 6MHz frequency signal, and sends the 6MHz frequency signal to the LC resonant module; The LC resonant module resonates with the power supply voltage based on the 6MHz frequency signal and outputs a 6MHz envelope signal to the 6MHz signal output module for output. The human body resistance detection module detects the 6MHz envelope signal and feeds back the output signal based on the detected human body resistance value. Then, the feedback signal is sent to the output control module to adjust the control requirements in real time.

2. The fractional thermotherapy system according to claim 1, characterized in that, The power module includes: socket J5, transformer T2, polarized capacitor C34, capacitor C35, polarized capacitor C36, capacitor C71, chip U5, capacitor C45, polarized capacitor C37, polarized capacitor C38, and capacitor C44. Socket J5 is used to connect an external power supply; Pin 1 of connector J5 is connected to pin 2 of transformer T2, pin 3 of transformer T2 is connected to the 12-A terminal of 12V DC power supply, pin 1 of transformer T2 is grounded, and pin 4 of transformer T2 is DC grounded. The positive terminal of the polarized capacitor C34 is connected to pin 1 of the socket J5, and the negative terminal of the polarized capacitor C34 is grounded. One end of capacitor C35 is connected to pin 1 of socket J5, and the other end is grounded; The positive terminal of the polarized capacitor C36 is connected to pin 1 of the socket J5, and the negative terminal of the polarized capacitor C36 is grounded. One end of capacitor C71 is connected to pin 1 of socket J5, and the other end is grounded; Pin 1 of chip U5 is connected to a 12V DC power supply, pin 2 is grounded, and pin 3 outputs +5V power. One end of capacitor C45 is connected to pin 1 of chip U5, and the other end is grounded; The positive terminal of the polarized capacitor C37 is connected to pin 1 of the chip U5, and the negative terminal is grounded; The positive terminal of the polarized capacitor C38 is connected to pin 3 of the chip U5, and the negative terminal is grounded; One end of capacitor C44 is connected to pin 3 of chip U5, and the other end is grounded.

3. The fractional thermotherapy system according to claim 2, characterized in that, The output control module includes: socket J3, polarized capacitor C30, chip U2, resistor R13, resistor R14, test point TP1, chip U3, resistor R12, resistor R11, capacitor C29, MOSFET Q1, capacitor C41, resistor R15, diode D9, resistor R16, and transistor Q34. Connect pin 1 of socket J3 to the 12V-B terminal of a 12V DC power supply; Pin 2 of connector J3 is connected to pin 5 of chip U2; The positive terminal of the polarized capacitor C30 is connected to pin 1 of socket J3, and the negative terminal is connected to pin 2 of socket J3. Pin 2 of chip U2 is connected to one end of resistor R13. The other end of resistor R13 is connected to one end of resistor R14 and one end of test point TP1. The other end of test point TP1 is grounded. The other end of resistor R14 is connected to pin 2 of chip U3; Pin 3 of chip U2 is grounded; Pin 5 of chip U2 is connected to pin 2 of connector J3; pin 5 of chip U2 is also connected to the LC resonant module. Pins 6 and 7 of chip U2 are connected to one end of resistor R12, and the other end of resistor R12 is connected to one end of resistor R11, one end of capacitor C29, and the gate of MOSFET Q1. The other end of resistor R11 is connected to pin 5 of chip U2; The other end of capacitor C29 is connected to pin 5 of chip U2; The source of MOSFET Q1 is connected to pin 5 of chip U2; The drain of MOSFET Q1 is connected to the LC resonant module; One end of capacitor C41 is connected to the drain of MOSFET Q1, and the other end is grounded; Pins 3 and 5 of chip U3 are grounded; The eight pins of chip U3 are connected to the +5V power supply, one end of resistor R15, and the 6MHz signal output module, respectively. The other end of resistor R15 is connected to pin 6 of chip U3 and the anode of diode D9, respectively. The cathode of diode D9 is connected to the base of transistor Q34 and one end of resistor R16, respectively. The other end of resistor R16 is grounded; The collector of transistor Q34 is connected to the 6MHz signal output module; The emitter of transistor Q34 is grounded.

4. The fractional thermotherapy system according to claim 3, characterized in that, The power interface module includes a socket J2; The inductor module includes: inductor L4, resistor R40, capacitor C28, and fuse F3; The socket J2 is used to connect an external power supply; Pin 1 of the J2 connector is connected to the PWM modulation module; One end of the inductor L4 is connected to pin 3 of the socket J2, and the other end is connected to one end of the resistor R40, one end of the capacitor C28, and one end of the fuse F3. The other end of fuse F3 is connected to the drain of MOSFET Q1; The other end of resistor R40 is connected to pin 2 of socket J2; The other end of capacitor R28 is connected to pin 2 of socket J2; Pin 2 of connector J2 is also connected to the LC resonant module.

5. A fractional thermotherapy system according to claim 4, characterized in that, The LC resonant module includes: capacitors C24, C25, C26, inductor L2, inductor L3, capacitors C27, C23, C14, C13, C12, C11, C68, C72, C73, inductor L1, capacitor C1, C18, C16, C15, C53, C74, C75, C76, C77, C78, ​​C79, C88, C89, C80, C22, C21, C20, C19, C46, ​​C92, C91, C90, and C93. One end of capacitors C24, C25, and C26 is connected to pin 2 of socket J2, respectively. The other ends of capacitors C24, C25, and C26 are connected to one end of inductor L2, respectively. The other end of inductor L2 is connected to one end of capacitor C80, one end of capacitor C22, one end of capacitor C21, one end of capacitor C20, one end of capacitor C19, one end of capacitor C46, ​​one end of capacitor C18, one end of capacitor C16, one end of capacitor C15, one end of capacitor C53, one end of capacitor C74, one end of capacitor C75, one end of capacitor C76, one end of capacitor C77, one end of capacitor C78, ​​one end of capacitor C79, one end of capacitor C87, one end of capacitor C88, one end of capacitor C89, one end of capacitor C92, one end of capacitor C91, one end of capacitor C90, one end of capacitor C93, and the power distribution module, respectively. The other ends of capacitors C80, C22, C21, C20, C19, C46, ​​C92, C91, C90, and C93 are grounded respectively. The other ends of capacitors C18, C16, C15, C53, C74, C75, C76, C77, C78, ​​C79, C87, C88, and C89 are respectively connected to one end of inductor L1. The other end of inductor L1 is connected to one end of capacitor C23, one end of capacitor C14, one end of capacitor C13, one end of capacitor C12, one end of capacitor C11, one end of capacitor C68, one end of capacitor C72, one end of capacitor C73, and one end of capacitor C1, respectively. The other ends of capacitors C23, C14, C13, C12, C11, C68, C72, and C73 are grounded respectively. The other end of capacitor C1 is connected to the 6MHz signal output module and the human body resistance detection module, respectively.

6. A fractional thermotherapy system according to claim 5, characterized in that, The 6MHz signal output module includes output point RF1+, output point RF2+, output point RF3+, capacitor C94, resistor R2, and resistor R1; One end of the output point RF1+ is connected to the other end of capacitor C1, and the other end of the output point RF1+ is connected to one end of capacitor C94. The other end of capacitor C94 is grounded. One end of the output point RF2+ is connected to the other end of capacitor C1, and the other end of the output point RF2+ is connected to one end of capacitor C94. One end of resistor R1 and one end of resistor R2 are respectively connected to the other end of capacitor C1; The other ends of resistor R1 and resistor R2 are connected to one end of output point RF3+ respectively; the other end of output point RF3+ is connected to one end of capacitor C94.

7. A fractional thermotherapy system according to claim 6, characterized in that, The human body resistance detection module includes: capacitor C43, capacitor C95, potentiometer RW1, capacitor C6, resistor R9, diode D1, diode D2, diode D3, diode D4, transformer T3, resistor R3, resistor R4, resistor R5, transformer T1, capacitor C2, diode D5, diode D6, diode D7, diode D8, resistor R10, capacitor C7, potentiometer RW2, capacitor C96, capacitor C42, chip U1, capacitor C10, capacitor C9, capacitor C8, socket J1, capacitor C4, polarized capacitor C5, capacitor C3, socket J14, and socket J13. One end of resistor R3, one end of resistor R4, and one end of resistor R5 are respectively connected to the other end of capacitor C1; The other ends of resistors R3, R4, and R5 are connected to pin 1 of transformer T3, respectively. The other end of transformer T3 is connected to pin 1 of transformer T1, the other end of resistor R2, and the other end of resistor R1, respectively. One end of capacitor C2 is connected to pin 2 of transformer T1, and the other end is grounded; Pin 3 of transformer T1 is connected to the anode of diode D6 and the cathode of diode D7, respectively. The four pins of transformer T1 are connected to the anode of diode D8 and the cathode of diode D5, respectively. The cathodes of diode D6 and diode D8 are connected to one end of capacitor C7, one end of resistor R10, and one pin of potentiometer RW2, respectively. The other end of capacitor C7 is grounded; The other end of resistor R10 is grounded; The anodes of diode D7 and diode D5 are grounded; The center pin of potentiometer RW2 is connected to one end of capacitor C42, one end of capacitor C96, and pin 5 of chip U1, respectively. The other pin of potentiometer RW2 is grounded; The other end of capacitor C42 and the other end of capacitor C96 are grounded; Pins 6 and 7 of chip U1 are connected to socket J14 respectively; One end of capacitor C9 is connected to pin 6 and pin 7 of chip U1, and the other end is grounded; Pin 8 of chip U1 is connected to a 12V power supply; One end of capacitor C10 is connected to pin 8 of chip U1, and the other end is grounded; Pin 4 of chip U1 is grounded; Pins 1 and 2 of chip U1 are connected to socket J15 respectively; One end of capacitor C8 is connected to pin 1 and pin 2 of chip U1, respectively; Pin 3 of chip U1 is connected to one end of capacitor C43, one end of capacitor C95, and the center pin of potentiometer RW1, respectively. The other end of capacitor C43 is grounded; The other end of capacitor C95 is grounded; One pin of potentiometer RW1 is grounded; The other pin of potentiometer RW1 is connected to one end of capacitor C6, one end of resistor R9, the cathode of diode D1, and the cathode of diode D3, respectively. The other end of capacitor C6 is grounded; The other end of resistor R9 is grounded; The anode of diode D1 is connected to pin 3 of transformer T3; The anode of diode D3 is connected to pin 4 of transformer T3; The anode of diode D2 is grounded, and the cathode of diode D2 is connected to pin 3 of transformer T3; The anode of diode D4 is grounded, and the cathode of diode D4 is connected to pin 4 of transformer T3; Pin 1 of socket J1 is connected to a 12V power supply; Pin 2 of connector J1 is grounded; One end of capacitor C4 is connected to pin 1 of socket J1, and the other end is grounded; The positive terminal of the polarized capacitor C5 is connected to pin 1 of the socket J1, and the negative terminal of the polarized capacitor C5 is grounded. The positive terminal of polarized capacitor C3 is connected to pin 1 of socket J1, and the negative terminal of polarized capacitor C5 is grounded.

8. A fractional thermotherapy system according to claim 7, characterized in that, The signal generation module includes: capacitor C32, potentiometer RW3, resistor R27, resistor R28, diode D10, resistor R25, resistor R26, resistor R24, chip U4, resistor R21, resistor R18, resistor R17, resistor R19, resistor R22, resistor R23, resistor R20, capacitor C31, crystal oscillator X1, and capacitor C33; One end of resistor R25 is connected to the power distribution module, and the other end is connected to one end of resistor R24; One end of resistor R26 is connected to the power distribution module, and the other end is connected to one end of resistor R24; The other end of resistor R24 ​​is connected to pin 9 of chip U4; One end of resistor R21 is grounded, and the other end is connected to pin 5 of chip U4, pin 11 of chip U4, and one end of resistor R22 respectively. The other end of resistor R22 is connected to pin 12 of chip U4; One end of capacitor C32 is grounded, and the other end is connected to one terminal pin and the center pin of potentiometer RW3. The other pin of potentiometer RW3 is connected to one end of resistor R27; The other end of resistor R27 is connected to one end of resistor R28 and pin 8 of chip U4. The other end of resistor R28 is connected to the anode of diode D10; The cathode of diode D10 is connected to the center terminal of potentiometer RW3 and pin 13 of chip U4, respectively. Pin 7 of chip U4 is grounded; One end of resistor R23 is connected to pin 10 of chip U4, and the other end is connected to pin 14 of chip U4; Pin 6 of chip U4 is connected to pin 2 of chip U4; Pin 1 of chip U4 is connected to the collector of transistor Q34; One end of resistor R17 is connected to pin 4 of chip U4, and the other end is connected to one end of resistor R18 and the 5V power supply. The other end of resistor R18 is connected to the collector of transistor Q34; One end of resistor R19 is connected to pin 3 of chip U4, and the other end is connected to one end of capacitor C31, pin 4 of crystal oscillator X1, and 5V power supply respectively. The other end of capacitor C31 is grounded; Pin 3 of crystal oscillator X1 is connected to pin 3 of chip U4; One end of resistor R20 is connected to pin 3 of crystal oscillator X1 and pin 3 of chip U4 respectively; The other end of resistor R20 is grounded; Pin 2 of crystal oscillator X1 is grounded; Pin 14 of chip U4 is connected to one end of capacitor C33 and the 5V power supply, respectively. The other end of capacitor C33 is grounded.

9. A fractional thermotherapy system according to claim 8, characterized in that, The PWM modulation output module includes: test point TP2, resistor R6, resistor R37, polarized capacitor C60, chip U8, capacitor C66, polarized capacitor C62, capacitor C67, resistor R7, capacitor C61, diode D11, resistor R8, and potentiometer RW4. One end of the test point TP2 is grounded, and the other end is connected to one end of the resistor R6; The other end of resistor R6 is connected to pin 5 of chip U8, the positive terminal of polarized capacitor C60, and one end of resistor R37. The other end of resistor R37 is grounded; The negative terminal of a polarized capacitor is grounded; Pin 1 and pin 2 of chip U8 are connected; Pin 3 and pin 4 of chip U8 are connected, and pin 4 of chip U8 is grounded; The 8 pins of chip U8 are connected to one end of capacitor C66, the positive terminal of polarized capacitor C62, and a 12V DC power supply, respectively. The other end of capacitor C66 is grounded; The negative terminal of polarized capacitor C62 is grounded; Pin 6 and pin 7 of chip U8 are connected; One end of resistor R7 is connected to pin 7 of chip U8, and the other end is connected to one end of capacitor C61 and the anode of diode D11. The other end of capacitor C61 is grounded; The cathode of diode D11 is connected to pin 1 of socket J2 and one end of resistor R8, respectively. The other end of resistor R8 is connected to one terminal pin and the center pin of potentiometer RW4, respectively. The other pin of potentiometer RW4 is grounded; One end of capacitor C67 is connected to pin 7 of chip U8, and the other end is grounded.

10. A fractional thermotherapy system according to claim 9, characterized in that, The power distribution module includes: chip U6, capacitors C47, C48, C49, C39, C40, polarized capacitor C70, resistors R29, R30, R31, capacitor C83, capacitor C54, MOSFET Q2, resistor R42, capacitor C84, capacitor C57, resistor R32, MOSFET Q3, resistor R43, chip U7, capacitors C63, C64, C65, C55, C56, polarized capacitor C69, resistors R33, R34, R44, R45, MOSFET Q4, MOSFET Q5, capacitors C85, C58, R35, C86, C59, and R36. Pin 1 of chip U6 is connected to one end of resistor R25; Pin 2 and pin 4 of chip U6 are grounded; Pin 3 of chip U6 is connected to one end of capacitor C47, one end of capacitor C48, one end of capacitor C49, one end of capacitor C39, one end of capacitor C40, the positive terminal of polarized capacitor C70, and a 12V DC power supply. The other ends of capacitors C47, C48, and C49 are grounded respectively. The other end of capacitor C39, the other end of capacitor C40, and the negative terminal of polarized capacitor C70 are grounded respectively; One end of resistor R29 is connected to pin 5 of chip U6; The other end of resistor R29 is connected to one end of capacitor C83, one end of capacitor C54, one end of resistor R31, and the gate of MOSFET Q2, respectively. The other end of capacitor C83 is grounded; The other end of capacitor C54 is grounded; The other end of resistor R31 is grounded; One end of resistor R30 is connected to pin 5 of chip U6; The other end of resistor R30 is connected to one end of capacitor C84, one end of capacitor C57, one end of resistor R32, and the gate of MOSFET Q3, respectively. The other end of capacitor C84 is grounded; The other end of capacitor C57 is grounded; The other end of resistor R32 is grounded; One end of resistor R42 is connected to the drain of MOSFET Q1; The other end of resistor R42 is connected to one end of resistor R43, one end of resistor R44, one end of resistor R45, and the other end of inductor L2, respectively. The source of MOSFET Q2 is connected to the source of MOSFET Q4 and the source of MOSFET Q5, respectively. The source of MOSFET Q2 is grounded at radio frequency. The other end of resistor R43 is connected to the drain of MOSFET Q3; The other end of resistor R44 is connected to the drain of MOSFET Q4; The other end of resistor R45 is connected to the drain of MOSFET Q5; The gate of MOSFET Q4 is connected to one end of capacitor C85, one end of capacitor C58, and one end of resistor R35, respectively. The other end of capacitor C85 is grounded; The other end of capacitor C58 is grounded; The other end of resistor R35 is grounded; The gate of MOSFET Q5 is connected to one end of capacitor C86, one end of capacitor C59, and one end of resistor R36, respectively. The other end of capacitor C86 is grounded; The other end of capacitor C59 is grounded; The other end of resistor R36 is grounded; One end of resistor R33 is connected to the gate of MOSFET Q4; The other end of resistor R33 is connected to pin 5 of chip U7; One end of resistor R34 is connected to the gate of MOSFET Q5; The other end of resistor R34 is connected to pin 5 of chip U7; Pin 2 and pin 4 of chip U7 are grounded; Pin 1 of chip U7 is connected to one end of resistor R26; Pin 3 of chip U7 is connected to one end of capacitor C63, one end of capacitor C64, one end of capacitor C65, one end of capacitor C55, one end of capacitor C56, the positive terminal of polarized capacitor C69, and a 12V DC power supply. The other ends of capacitors C63, C64, and C65 are grounded respectively. The other ends of capacitor C55, capacitor C56, and polarized capacitor C69 are grounded respectively.

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