Warm low-potential therapeutic apparatus and control method

Abstract

The invention relates to the field of therapeutic instruments, in particular to a warm low-potential therapeutic instrument and a control method, and the warm low-potential therapeutic instrument comprises a host, a therapeutic blanket and a controller. The host is provided with a controller, and the controller is connected with the treatment blanket; the controller comprises a temperature acquisition module, a temperature control module and a low-potential frequency conversion and voltage transformation module; wherein the low-potential frequency conversion and voltage transformation module comprises an IGBT (Insulated Gate Bipolar Translator) triode; the IGBT triode is used in the low-potential frequency and voltage conversion module to control the temperature and the potential to be switched on the same heating wire, and the withstand voltage of the IGBT triode is large enough, so that a potential circuit is separated, a heating circuit element is not damaged, the heating potential is located on the same heating wire, and compatibility of the potential and heating is achieved.

Description

Technical Field

[0001] The present invention relates to the field of therapeutic instruments, and more particularly, to a warm low-potential therapeutic instrument and a control method therefor. Background Art

[0002] A warm low-potential therapeutic instrument is a physiotherapy instrument that precisely controls the operation and parameter settings of a therapeutic blanket or a therapeutic pad through a main unit, and outputs warm and low-potential energies. This therapeutic instrument transmits the warm and low-potential energy fields to the human body through the therapeutic blanket or the therapeutic pad, thereby exerting its unique therapeutic effects. Under the action of warmth, it can improve the metabolism of muscle cell tissues, promote blood circulation, accelerate tissue regeneration and repair, enhance the body's immunity, and have the effects of reducing inflammation and relieving pain; under the action of the low-potential energy field, extremely fine vibrations are generated in cells of various parts of the human body, and the functional balance of various organs and tissues is fully adjusted. The cells generate an alignment movement adapted to the current cycle, promoting the balance of the internal environment of the body. Neurotransmitters such as catecholamines and 5-TH are kept relatively balanced, which is beneficial to promoting physical and mental relaxation, eliminating tension, eliminating abnormal brain waves and brain magnetism, enhancing the diffusive inhibition function of the cerebral cortex, and enabling the brain to enter the normal alpha wave state from the beta wave during tension. The functions of the cerebral cortex, autonomic nerves, and body fluid endocrine return to the normal state, thereby improving the state of tension and fatigue and the quality of sleep. However, the existing warm products and low-potential products have relatively single functions and limited therapeutic effects, and cannot meet the diverse treatment needs of patients. Traditional warm mattresses only have the warm function, while traditional low-potential products can only provide a single low-potential treatment. When used in winter, it may cause the local skin temperature of the patient to be too low, and the skin is likely to feel tingling or numb, causing tremors and affecting body relaxation, reducing the comfort and use effect.

[0003] The prior art discloses a controller of a potential warm therapeutic instrument with a screen locking function, including a controller housing, a warm control unit, a potential control unit, an ultrasonic control unit, a touch screen, and a screen locking control unit arranged inside the controller housing; the output end of the touch screen is respectively connected to the signal input ends of the warm control unit, the potential control unit, and the ultrasonic control unit, and the control end of the touch screen is connected to the screen locking control unit. In this application, a screen locking control module is built into the controller, which has an automatic screen locking function. When the potential warm therapeutic instrument is set to a certain function for treatment, the touch screen module of the controller of the potential warm therapeutic instrument automatically locks the screen. When other touch keys are touched again, the current treatment mode is not disturbed. Only when the unlock touch key is pressed for a second preset time can other operations be performed, reducing the operation error rate and thus improving the therapeutic effect. However, this invention still cannot take into account both the warm and low-potential functions. Summary of the Invention

[0004] The object of the present invention is to disclose a warm low-potential therapeutic instrument and a control method therefor that take into account both the warm and low-potential functions.

[0005] To achieve the above object, the present invention provides a warm low potential therapeutic apparatus and a control method, including: a main unit, a treatment blanket and a controller; the main unit is equipped with a controller, and the controller is connected to the treatment blanket;

[0006] The controller includes: a temperature acquisition module, a temperature control module and a low potential frequency conversion and voltage transformation module; wherein the temperature control module is respectively connected to the temperature acquisition module and the low potential frequency conversion and voltage transformation module;

[0007] The temperature acquisition module acquires the temperature data of the treatment blanket, the temperature control module controls the warm output of the treatment blanket, and the low potential frequency conversion and voltage transformation module controls the low potential output of the treatment blanket;

[0008] The low potential frequency conversion and voltage transformation module includes an IGBT triode.

[0009] The main unit includes a main unit lower case and a main unit upper case; a key film is installed above the main unit upper case, and a treatment blanket connecting wire, a power socket, a power switch, a switching power supply, a function output board are installed on the main unit lower case. The power socket is connected to the power switch, the power switch is connected to the function output board, the function output board is connected to the switching power supply, the switching power supply is connected to the control main board, the control main board is connected to the function output board, and the function output board is connected to the treatment blanket connecting wire;

[0010] The controller further includes: a central control module, a key module, an alarm prompt module, a display module, a timing control module, a storage module; wherein the low potential frequency conversion and voltage transformation module includes an IGBT triode.

[0011] The controller includes: a central control module, a key module, an alarm prompt module, a display module, a timing control module, a storage module, a temperature acquisition module, a temperature control module and a low potential frequency conversion and voltage transformation module; wherein the low potential frequency conversion and voltage transformation module includes an IGBT triode.

[0012] Further, the function output board includes: a warm control circuit, a warm temperature detection circuit, a negative potential control circuit and a negative potential boosting circuit. Among them, the warm control circuit is connected to the treatment blanket connecting wire through the warm temperature detection circuit; the negative potential control circuit is connected to the treatment blanket connecting wire through the negative potential boosting circuit.

[0013] Further, the treatment blanket includes: a waterproof and anti-slip bottom cloth, spray-bonded cotton is provided above the waterproof and anti-slip bottom cloth, black carbon cotton is provided above the spray-bonded cotton, heat-bonded non-woven fabric is provided above the black carbon cotton, a heating wire is installed inside the heat-bonded non-woven fabric, the heating wire is respectively connected to a temperature protector, a temperature fuse and a treatment blanket connector, the treatment blanket connector is connected to a temperature sensor, a second black carbon cotton is provided above the heat-bonded non-woven fabric, a second spray-bonded cotton is provided above the second black carbon cotton, a sponge is provided above the second spray-bonded cotton, and a flannelette is provided above the sponge.

[0014] Further, the controller includes: a central control module, an input end of the central control module is unidirectionally electrically connected to a key module, an output end of the central control module is unidirectionally electrically connected to an alarm prompt module, an output end of the central control module is unidirectionally electrically connected to a display module, an input end of the central control module is unidirectionally electrically connected to a timing control module, an output end of the central control module is bidirectionally electrically connected to a storage module, an input end of the central control module is unidirectionally electrically connected to a temperature acquisition module, an output end of the central control module is unidirectionally electrically connected to a temperature control module, and an output end of the central control module is unidirectionally electrically connected to a low-potential variable frequency and variable voltage module.

[0015] The low-potential variable frequency and variable voltage module includes: an input voltage, a varistor RV1, capacitors C2, C3, C4, C5, C6, C7, resistors R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, resistors R27, R28, R29, R30, optocouplers OP1, OP2, OP3, OP4, OP5, an IGBT triode M1, triodes Q1, Q2, Q3, Q4, Q5, and a common-mode inductor T3;

[0016] The two ends of the input voltage are respectively connected to a varistor RV1, a capacitor C2, and a common-mode inductor T3; the two ends of the common-mode inductor T3 are respectively connected to a capacitor C3, and one end of the capacitor C3 is respectively connected to a resistor R8, a resistor R9, and a resistor R10. The other end of the resistor R8 is connected to an optocoupler OP3, the other end of the resistor R9 is connected to an optocoupler OP4, and the other end of the resistor R10 is connected to an optocoupler OP5; the optocoupler OP3 is connected to a triode Q3 through a resistor R28, the optocoupler OP4 is connected to a triode Q4 through a resistor R29, and the optocoupler OP5 is connected to a triode Q5 through a resistor R30; one end of the triode Q3 is grounded, and the other end is respectively connected to a resistor R15 and R16; one end of the triode Q4 is grounded, and the other end is respectively connected to a resistor R17 and R18; one end of the triode Q5 is grounded, and the other end is respectively connected to a resistor R19 and R20; the other end of C3 is respectively connected to the optocoupler OP3, the optocoupler OP4, and the optocoupler OP5 through a resistor R7; the resistor R7 is connected to a capacitor C7, one end of a resistor R14 is connected to a signal generator, and the other end is respectively connected to a resistor R13 and a triode Q2; the other end of the triode Q2 is connected to an optocoupler OP1 through a resistor R1; the other end of the optocoupler OP1 is connected to a resistor R3; the other end of the triode Q2 is respectively connected to a resistor R12 and a triode Q1; the triode Q1 is connected to an optocoupler OP2 through a resistor R11 and a resistor R27; the other end of the optocoupler OP2 is connected to an IGBT triode M1 through a resistor R2; the other end of the optocoupler OP2 is respectively connected to a capacitor C4 and a diode D1 through a resistor R3, a resistor R4, a resistor R5, and a resistor R6; the other end of the diode D1 is respectively connected to a capacitor C5 and a diode D2; the other end of the capacitor C4 is respectively connected to the other end of the diode D2 and a capacitor C6, the other end of the capacitor C5 is respectively connected to a diode D3, a diode D4, and a capacitor C7, and C6 is respectively connected to a diode D3, a diode D4, and a resistor R7.

[0017] In addition, the present invention also provides a control method for a warm low-potential therapeutic apparatus, including:

[0018] Lay the treatment blanket flat on the tabletop, connect the power supply to the power socket, and turn on the power switch;

[0019] The controller displays the current state of the therapeutic apparatus and the visualization of the output temperature and potential data; receives the commands and control signals of the user;

[0020] Then, according to the set time, the low-potential function and warmth are controlled in combination with the control main board and the function output board.

[0021] Further, the controller includes: a display module that displays the current status of the therapeutic instrument and visualizes the output temperature and potential data. The user receives user commands and control signals through the key module of the controller as needed. The timing control module drives the temperature control module and the low-potential frequency conversion and voltage transformation module according to the time set by the user or the default setting. The central control module can only perform single control on the temperature control module or the low-potential frequency conversion and voltage transformation module at the same time. When the key module receives a command from the user to only turn on the warm function, the temperature acquisition module acquires the temperature data of the temperature sensor of the treatment blanket, and the temperature control module controls the heating wire of the treatment blanket for warm output. When the key module receives a command from the user to only turn on the low-potential function, the low-potential frequency conversion and voltage transformation module controls the heating wire of the treatment blanket for low-potential output. When the key module receives a command from the user to turn on both the warm and low-potential functions at the same time, the central control module will prioritize the temperature control module and control the temperature control module to output to the heating wire of the treatment blanket at the set time, and then control the low-potential frequency conversion and voltage transformation module to output to the heating wire of the treatment blanket at the set time. The output voltages of the warm and low-potential can be loaded on the same set of output carriers. When the alarm prompt module detects an abnormal status of the therapeutic instrument, it will give an alarm prompt to the user through the display module.

[0022] Further, it includes: a control main board for information processing of human-computer interaction, warm output control, warm temperature detection and processing, low-potential waveform modulation, and low-potential output control.

[0023] Further, it includes: a power socket for accessing the commercial power to provide power input for the whole machine, a power switch for controlling the on and off of the input power of the therapeutic instrument, and a switching power supply for converting the input commercial power into direct current for power supply to the control main board and the function output board.

[0024] Further, it includes: a function output board for receiving control signals from the control main board to perform output functions on the treatment blanket, and for feeding back the temperature data of the treatment blanket to the control main board.

[0025] Further, it is characterized in that the low-potential frequency conversion and voltage transformation module includes:

[0026] The low-potential output end of the circuit is formed by iterating a sine wave boosted by a negative potential boosting circuit at one end and a pulse wave modulated by a periodically high-speed conduction and cutoff of a controlled M1 tube at the other end;

[0027] The generation of the negative potential sine wave controls the optocoupler to conduct through the negative potential gear control signal, so that one of the resistors divides the voltage to select the voltage before voltage doubling, boosts the voltage through the boosting circuit composed of diodes, takes the output sine wave negative potential at the positive pole of the diode, and outputs the sine wave negative potential to the low-potential output end of the circuit through 4 current-limiting 1M resistors;

[0028] Generation of modulated pulse wave: A square wave signal with frequency variation and pulse width period variation is iterated through an IGBT triode onto a negative potential sine wave generated by a booster circuit, and is output to the treatment blanket through the low-potential output terminal of the circuit, controlled by the negative potential output frequency, the effective value of the voltage, and the waveform output control signal.

[0029] Warmth output: By controlling the conduction of the triode through a control signal, the conduction of the optocoupler is further controlled, enabling the thyristor to conduct. The common end of the heating wire is connected to the low-potential output terminal of the circuit. At this time, the control signal output is always in a high-level state, the optocoupler conducts, a voltage difference is formed between the gate and the source to conduct, and is applied to the common end of the heating wire, generating heat on the treatment blanket.

[0030] Compared with the prior art, the beneficial effects of the technical solution of the present invention are:

[0031] In the present invention, an IGBT triode is used in the low-potential frequency conversion and voltage conversion module to control the switching of warmth and potential on one heating wire. Since the IGBT triode has a sufficient withstand voltage, the potential circuit is separated, thus not damaging the heating circuit components, realizing the heating potential on the same heating wire, and further realizing the compatibility of potential and heating. Description of the drawings

[0032] Figure 1 Structural diagram of the warm low-potential therapeutic apparatus described in Embodiment 1;

[0033] Figure 2 Schematic diagram of the controller described in Embodiment 1;

[0034] Figure 3 Structural schematic diagram of the treatment blanket described in Embodiment 2;

[0035] Figure 4 Cross-sectional structural schematic diagram of the treatment blanket described in Embodiment 2;

[0036] Figure 5 Circuit diagram of the low-potential frequency conversion and voltage conversion module described in Embodiment 5;

[0037] Wherein: 1. Main unit; 2. Treatment blanket; 3. Controller; 4. Lower housing of the main unit; 5. Upper housing of the main unit; 6. Control main board; 7. Button film; 8. Treatment blanket connection wire; 9. Power socket; 10. Power switch; 11. Switching power supply; 12. Function output board;

[0038] 201. Waterproof and anti-slip bottom cloth; 202. Sprayed cotton; 203. Black carbon cotton; 204. Heating wire; 205. Thermally bonded non-woven fabric; 206. Black carbon cotton; 207. Sprayed cotton; 208. Sponge; 209. Flannelette; 210. Temperature sensor; 211. Temperature protector; 212. Temperature fuse; 213. Treatment blanket connector;

[0039] 301, Central control module; 302, Button module; 303, Alarm and prompt module; 304, Display module; 305, Timing control module; 306, Storage module; 307, Temperature acquisition module; 308, Temperature control module; 309, Low-potential variable frequency and variable voltage module; Detailed implementation mode

[0040] The attached drawings are only for illustrative purposes and should not be construed as limitations on this patent;

[0041] The technical solutions of the present invention will be further described below in conjunction with the attached drawings and embodiments.

[0042] Embodiment 1:

[0043] This embodiment provides a warm low-potential therapeutic apparatus as Figure 1 shown, including:

[0044] Main unit 1, treatment blanket 2 and controller 3; the main unit 1 is equipped with a controller 3, and the controller 3 is connected to the treatment blanket 2;

[0045] The controller 3 includes: a temperature acquisition module 307, a temperature control module 308 and a low-potential variable frequency and variable voltage module 309; wherein the temperature control module 308 is respectively connected to the temperature acquisition module 307 and the low-potential variable frequency and variable voltage module 309;

[0046] The temperature acquisition module 307 acquires the temperature data of the treatment blanket 2, the temperature control module 308 controls the warm output of the treatment blanket, and the low-potential variable frequency and variable voltage module 309 controls the low-potential output of the treatment blanket 2; the low-potential variable frequency and variable voltage module 309 includes an IGBT triode.

[0047] In this embodiment, an IGBT triode is used in the low-potential variable frequency and variable voltage module to control the switching of warm and potential on a heating wire. Since the IGBT triode has sufficient voltage withstand, the potential circuit is separated, so that the heating circuit components will not be damaged, thereby realizing that the heating potential is on the same heating wire 202, and further realizing the compatibility of potential and heating.

[0048] Embodiment 2:

[0049] This embodiment further discloses on the basis of Embodiment 1:

[0050] 2. The warm low-potential therapeutic apparatus according to claim 1, characterized in that it further includes:

[0051] The main unit 1 includes a main unit lower case 4 and a main unit upper case 5; a button sticker 7 is installed above the main unit upper case 5, and a treatment blanket connection line 8, a power socket 9, a power switch 10, a switching power supply 11, and a function output board 12 are installed on the main unit lower case 4. The power socket 9 is connected to the power switch 10, the power switch 10 is connected to the function output board 12, the function output board 12 is connected to the switching power supply 10, the switching power supply 10 is connected to the control main board 6, the control main board 6 is connected to the function output board 12, and the function output board 12 is connected to the treatment blanket connection line 4;

[0052] The controller 3 further includes: a central control module 301, a button module 302, an alarm prompt module 303, a display module 304, a timing control module 305, and a storage module 306;

[0053] The function output board 12 includes: a warm control circuit, a warm temperature detection circuit, a negative potential control circuit, and a negative potential boosting circuit. Among them, the warm control circuit is connected to the treatment blanket connection line through the warm temperature detection circuit; the negative potential control circuit is connected to the treatment blanket connection line through the negative potential boosting circuit..

[0054] The treatment blanket 2 is as Figure 3 and Figure 4 shown and includes: a waterproof and anti-slip bottom cloth 201, a sprayed cotton 202 is provided above the waterproof and anti-slip bottom cloth 201, a black carbon cotton 203 is provided above the sprayed cotton 202, a thermally bonded non-woven fabric 205 is provided above the black carbon cotton 203, a heating wire 204 is provided inside the thermally bonded non-woven fabric 205, the heating wire 204 is respectively connected to a temperature protector 211, a temperature fuse 212, and a treatment blanket connector 213, the treatment blanket connector 213 is connected to a temperature sensor 210, a second black carbon cotton 206 is provided above the thermally bonded non-woven fabric 205, a second sprayed cotton 207 is provided above the second black carbon cotton 206, a sponge 208 is provided above the second sprayed cotton 207, and a flannelette 209 is provided above the sponge 208.

[0055] The controller 3 includes: a central control module 301, an input end of the central control module 301 is unidirectionally electrically connected to a button module 302, an output end of the central control module 301 is unidirectionally electrically connected to an alarm prompt module 303, an output end of the central control module 301 is unidirectionally electrically connected to a display module 304, an input end of the central control module 301 is unidirectionally electrically connected to a timing control module 305, an output end of the central control module 301 is bidirectionally electrically connected to a storage module 306, an input end of the central control module 301 is unidirectionally electrically connected to a temperature acquisition module 307, an output end of the central control module 301 is unidirectionally electrically connected to a temperature control module 308, and an output end of the central control module 301 is unidirectionally electrically connected to a low potential frequency conversion and voltage transformation module 309.

[0056] The low-potential variable-frequency and variable-voltage module 309 includes: an input voltage, a varistor RV1, capacitors C2, C3, C4, C5, C6, C7, resistors R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, resistors R27, R28, R29, R30, optocouplers OP1, OP2, OP3, OP4, OP5, an IGBT transistor M1, transistors Q1, Q2, Q3, Q4, Q5, and a common-mode inductor T3;

[0057] Wherein, both ends of the input voltage are respectively connected to the varistor RV1, the capacitor C2, and the common-mode inductor T3; both ends of the common-mode inductor T3 are respectively connected to the capacitor C3, one end of the capacitor C3 is respectively connected to the resistors R8, R9, and R10, the other end of the resistor R8 is connected to the optocoupler OP3, the other end of the resistor R9 is connected to the optocoupler OP4, and the other end of the resistor R10 is connected to the optocoupler OP5; the optocoupler OP3 is connected to the transistor Q3 through the resistor R28, the optocoupler OP4 is connected to the transistor Q4 through the resistor R29, and the optocoupler OP5 is connected to the transistor Q5 through the resistor R30; one end of the transistor Q3 is grounded, and the other end is respectively connected to the resistors R15 and R16; one end of the transistor Q4 is grounded, and the other end is respectively connected to the resistors R17 and R18; one end of the transistor Q5 is grounded, and the other end is respectively connected to the resistors R19 and R20; the other end of C3 is respectively connected to the optocouplers OP3, OP4, and OP5 through the resistor R7; the resistor R7 is connected to the capacitor C7, one end of the resistor R14 is connected to the signal generator, and the other end is respectively connected to the resistor R13 and the transistor Q2; the other end of the transistor Q2 is connected to the optocoupler OP1 through the resistor R1; the other end of the optocoupler OP1 is connected to the resistor R3; the other end of the transistor Q2 is respectively connected to the resistor R12 and the transistor Q1; the transistor Q1 is connected to the optocoupler OP2 through the resistors R11 and R27; the other end of the optocoupler OP2 is connected to the IGBT transistor M1 through the resistor R2; the other end of the optocoupler OP2 is respectively connected to the capacitor C4 and the diode D1 through the resistors R3, R4, R5, and R6; the other end of the diode D1 is respectively connected to the capacitor C5 and the diode D2; the other end of the capacitor C4 is respectively connected to the other end of the diode D2 and the capacitor C6, the other end of the capacitor C5 is respectively connected to the diodes D3, D4, and the capacitor C7, and C6 is respectively connected to the diodes D3, D4, and the resistor R7.

[0058] In this embodiment, an IGBT triode is used in the low-potential variable-frequency and variable-voltage module to control the switching of warmth and potential on a heating wire. Since the IGBT triode has a sufficiently high breakdown voltage, it separates the potential circuit, thus preventing damage to the heating circuit components, achieving the presence of the heating potential on the same heating wire 202, and further realizing the compatibility of potential and heating.

[0059] Embodiment Three:

[0060] This embodiment further discloses based on Embodiment Two:

[0061] The flannelette 209 of the treatment blanket is composed of a skin-friendly and relatively thin fabric, and the flannelette 209 and the sponge 208 are connected by quilting or dotting process.

[0062] By arranging the hot-rolled non-woven fabric 205 inside the treatment blanket 2 to fix the internal heating wire 204, it is possible to prevent the internal heating wire 204 from moving due to external force friction on the treatment blanket, resulting in the aggregation of the heating wire 204 and generating local high temperature.

[0063] The shells of the main machine upper shell 3 and the main machine lower shell 4 are made of insulating materials. Through the shells made of insulating materials, the internal circuit can be isolated from the outside world to prevent the devices inside the shells from leaking electricity and causing danger.

[0064] The size of the treatment pad is designed to be 340×210mm, and the size of the treatment blanket 2 is designed to be 0.8×2m.

[0065] The small-sized treatment pad is mainly used for the treatment of local parts of the human body, and the treatment blanket designed with reference to the household mattress is mainly used for the whole-body treatment of the human body. The difference between the treatment pad and the treatment blanket is only reflected in the size, and it will not affect the effectiveness of the present invention due to the different sizes.

[0066] The waterproof and anti-slip bottom cloth 201 at the bottom of the treatment blanket 2 is provided with drip glue made of silica gel on the entire outer surface.

[0067] By setting the drip glue made of silica gel on the waterproof and anti-slip bottom cloth 201 of the treatment blanket 2, the treatment blanket 2 can form friction with the tabletop to prevent it from moving due to external force during use.

[0068] Two layers of spray-bonded cotton 202 composed of cotton with a relatively high gram weight and a relatively thick thickness are arranged inside the treatment blanket 2, one on the upper part and the other on the lower part.

[0069] By arranging the spray-bonded cotton 202 in the treatment blanket, it is used for the support of the treatment blanket, avoiding the collapse and deformation of the treatment blanket caused by excessive weight when the treatment personnel press on the treatment blanket, and enabling the treatment blanket to be upright and evenly stressed.

[0070] On both sides of the heating wire 204 inside the treatment blanket 2, two layers of black carbon cotton 203 are provided, which are composed of carbon fiber cotton of flame-retardant material. By arranging the black carbon cotton 203 on both sides of the heating wire 204 of the treatment blanket, it is avoided that the heating wire 204 burns other material layers upward and downward after heating.

[0071] The treatment blanket 2 is internally provided with hot-rolled non-woven fabric 205, a wire-passing net woven from flame-retardant material, which evenly fixes and arranges the heating wire 204.

[0072] In this embodiment, IGBT triodes are used in the low-potential frequency conversion and voltage conversion module to control the switching of warmth and potential on one heating wire. Since the IGBT triodes have sufficient voltage resistance, the potential circuit is separated, so that the heating circuit components will not be damaged, thereby realizing the heating potential on the same heating wire 202, and further realizing the compatibility of potential and heating.

[0073] Embodiment Four:

[0074] This embodiment provides a control method for a warm low-potential therapeutic apparatus, including:

[0075] Lay the treatment blanket 2 flat on the tabletop, connect the power supply to the power socket 6, and turn on the power switch 7;

[0076] The controller 3 displays the current state of the therapeutic apparatus and the visualization of the output temperature and potential data; receives the commands and control signals of the user;

[0077] Then, in combination with the control main board 6 and the function output board 12 according to the set time, the low-potential function and warmth are controlled.

[0078] In this embodiment, IGBT triodes are used in the low-potential frequency conversion and voltage conversion module to control the switching of warmth and potential on one heating wire. Since the IGBT triodes have sufficient voltage resistance, the potential circuit is separated, so that the heating circuit components will not be damaged, thereby realizing the heating potential on the same heating wire 202, and further realizing the compatibility of potential and heating.

[0079] Embodiment Five:

[0080] This embodiment further discloses on the basis of Embodiment Three:

[0081] The controller 3 includes: a display module 304 that displays the current status of the therapeutic instrument and visualizes the output temperature and potential data. The user receives user commands and control signals through the key module 302 of the controller 3 as needed. The timing control module 305 drives the temperature control module 308 and the low-potential variable frequency and voltage conversion module 309 according to the time set by the user or the default setting. The central control module 301 can only perform single control on the temperature control module 308 or the low-potential variable frequency and voltage conversion module 309 at the same moment. When the key module 302 receives a command from the user to only turn on the warm function, the temperature acquisition module 307 acquires the temperature data of the temperature sensor 210 of the treatment blanket, and the temperature control module 308 controls the warm output of the heating wire 204 of the treatment blanket. When the key module 302 receives a command from the user to only turn on the low-potential function, the low-potential variable frequency and voltage conversion module 309 controls the low-potential output of the heating wire 204 of the treatment blanket. When the key module 302 receives a command from the user to turn on both the warm and low-potential functions at the same time, the central control module 301 will give priority to the temperature control module 308, control the temperature control module 308 to output to the heating wire 204 of the treatment blanket according to the set time, and then control the low-potential variable frequency and voltage conversion module 309 to output to the heating wire 204 of the treatment blanket according to the set time. The output voltages of the warm and low-potential can be loaded on the same set of output carriers. When the alarm prompt module 303 detects an abnormal status of the therapeutic instrument, it will give an alarm prompt to the user through the display module 304.

[0082] The control main board 6 is used for information processing of human-computer interaction, warm output control, warm temperature detection and processing, low-potential waveform modulation, and low-potential output control.

[0083] The power socket 9 is used to connect to the mains power to provide power input for the whole machine. The power switch 10 controls the on-off of the input power of the therapeutic instrument. The switching power supply 11 converts the input mains power into direct current for power supply to the control main board 6 and the function output board 12.

[0084] The function output board 12 is used to receive control signals from the control main board 6 to output functions to the treatment blanket 2, and feedback the temperature data of the treatment blanket 2 to the control main board 6.

[0085] The low-potential variable frequency and voltage conversion module 309 is as Figure 5 shown, where the M1 tube is an IGBT triode and includes:

[0086] The low-potential output end of the circuit is formed by iterating a sine wave boosted by a negative potential boosting circuit at one end and a pulse wave modulated by the periodically high-speed conduction and closing of the controlled M1 tube at the other end;

[0087] The generation of the negative potential sine wave controls the conduction of the optocoupler through the negative potential gear control signal, enabling one of the resistors to perform voltage division to select the voltage before voltage multiplication. The voltage is boosted through the voltage boosting circuit composed of diodes, and the sine wave negative potential is taken from the positive pole of the diode and output to the low potential output end of the circuit through 4 current-limiting 1M resistors;

[0088] The generation of the modulated pulse wave: The square wave signal with frequency change and pulse width cycle change is iterated through the IGBT triode onto the negative potential sine wave generated by the voltage boosting circuit and output to the treatment blanket through the low potential output end of the circuit, controlled by the negative potential output frequency, the effective value of the voltage, and the waveform output control signal.

[0089] The output of warmth: By controlling the conduction of the triode through the control signal, the conduction of the optocoupler is further controlled, enabling the thyristor to conduct. The common end of the heating wire is connected to the low potential output end of the circuit. At this time, the control signal output is always in the high level state, the optocoupler conducts, and a voltage difference is formed between the gate and the source to conduct, which is loaded onto the common end of the heating wire, and the treatment blanket 2 generates heat.

[0090] In this embodiment, the IGBT triode is used in the low potential variable frequency and variable voltage module to control the switching of warmth and potential on one heating wire. Since the IGBT triode has a sufficiently large withstand voltage, the potential circuit is separated, so that the heating circuit components will not be damaged, thereby realizing that the heating potential is on the same heating wire 202, and further realizing the compatibility of potential and heating.

[0091] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, rather than limitations on the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A warm low-potential therapeutic device, characterized in that: include: Host (1), treatment blanket (2) and controller (3); The host (1) is equipped with a controller (3), and the controller (3) is connected to the therapeutic blanket (2); The controller (3) comprises: a temperature acquisition module (307), a temperature control module (308) and a low-voltage frequency conversion and voltage conversion module (309); The temperature control module (308) is respectively connected to the temperature acquisition module (307) and the low-voltage frequency conversion and voltage conversion module (309); The temperature acquisition module (307) acquires temperature data of the treatment blanket (2), the temperature control module (308) controls the heat output of the treatment blanket, and the low-potential frequency conversion module (309) controls the low-potential output of the treatment blanket (2); the low-potential frequency conversion module (309) includes an IGBT transistor.

2. The warm low-potential therapeutic device according to claim 1, characterized in that: Also includes: The host (1) comprises a host lower shell (4) and a host upper shell (5); a key film (7) is installed above the host upper shell (5); a treatment blanket connection line (8), a power socket (9), a power switch (10), a switching power supply (11), and a function output board (12) are installed on the host lower shell (4); the power socket (9) is connected to the power switch (10), the power switch (10) is connected to the function output board (12), the function output board (12) is connected to the switching power supply (10), the switching power supply (10) is connected to the control main board (6), the control main board (6) is connected to the function output board (12), and the function output board (12) is connected to the treatment blanket connection line (4); The controller (3) further comprises: a central control module (301), a key module (302), an alarm prompt module (303), a display module (304), a timing control module (305), and a storage module (306); wherein the low-voltage frequency conversion and voltage conversion module (309) comprises an IGBT transistor.

3. The warm low-potential therapeutic device according to claim 2, characterized in that: The function output board includes: a warm control circuit, a warm temperature detection circuit, a negative potential control circuit and a negative potential boost circuit; wherein the warm control circuit is connected to the treatment blanket connection line through the warm temperature detection circuit; the negative potential control circuit is connected to the treatment blanket connection line through the negative potential boost circuit.

4. The warm low-potential therapeutic device according to claim 1, characterized in that: The treatment blanket (2) comprises: a waterproof and anti-skid base fabric (201); a spray-bonded cotton (202) is arranged above the waterproof and anti-skid base fabric (201); a black carbon cotton (203) is arranged above the spray-bonded cotton (202); a heat-bonded non-woven fabric (205) is arranged above the black carbon cotton (203); a heating wire (204) is arranged inside the heat-bonded non-woven fabric (205); the heating wire (204) is respectively connected to a temperature protector (211), a temperature fuse (2120) and a treatment blanket connector (213); the treatment blanket connector (213) is connected to a temperature sensor (210); a second black carbon cotton (206) is arranged above the heat-bonded non-woven fabric (205); a second spray-bonded cotton (207) is arranged above the second black carbon cotton (206); a sponge (208) is arranged above the second spray-bonded cotton (207); and a flannel (209) is arranged above the sponge (208).

5. The warm low-potential therapeutic device according to claim 2, characterized in that: The controller includes: The central control module (301) comprises a key module (302) which is unidirectionally electrically connected to the input end of the central control module (301), an alarm prompt module (303) which is unidirectionally electrically connected to the output end of the central control module (301), a display module (304) which is unidirectionally electrically connected to the input end of the central control module (301), a timing control module (305) which is unidirectionally electrically connected to the output end of the central control module (301), a storage module (306) which is bidirectionally electrically connected to the input end of the central control module (301), a temperature acquisition module (307) which is unidirectionally electrically connected to the output end of the central control module (301), and a low-potential frequency conversion and voltage conversion module (309) which is unidirectionally electrically connected to the output end of the central control module (301).

6. The warm low-potential therapeutic device according to claim 1, characterized in that: The low-voltage variable frequency voltage conversion module (309) comprises: an input voltage, a varistor RV1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R27, a resistor R28, a resistor R29, a resistor R30, an optical coupler OP1, an optical coupler OP2, an optical coupler OP3, an optical coupler OP4, an optical coupler OP5, an IGBT transistor M1, a transistor Q1, a transistor Q2, a transistor Q3, a transistor Q4, a transistor Q5 and a common-mode inductor T3; The two ends of the input voltage are connected to the varistor RV1, the capacitor C2 and the common mode inductor T3 respectively; the two ends of the common mode inductor T3 are connected to the capacitor C3 respectively, one end of the capacitor C3 is connected to the resistor R8, the resistor R9 and the resistor R10 respectively, the other end of the resistor R8 is connected to the optical coupler OP3, the other end of the resistor R9 is connected to the optical coupler OP4, the other end of the resistor R10 is connected to the optical coupler OP5; the optical coupler OP3 is connected to the transistor Q3 through the resistor R28, and the optical coupler OP 4 is connected to transistor Q4 through resistor R29, and optocoupler OP5 is connected to transistor Q5 through resistor R30; one end of transistor Q3 is grounded, and the other end is connected to resistors R15 and R16 respectively; one end of transistor Q4 is grounded, and the other end is connected to resistors R17 and R18 respectively; one end of transistor Q5 is grounded, and the other end is connected to resistors R19 and R20 respectively; the other end of C3 is connected to optocoupler OP3, optocoupler OP4, and optocoupler OP5 respectively through resistor R7; Resistor R7 is connected to capacitor C7, one end of resistor R14 is connected to the signal generator, and the other end is connected to resistor R13 and transistor Q2 respectively; the other end of transistor Q2 is connected to optocoupler OP1 through resistor R1; the other end of optocoupler OP1 is connected to resistor R3; the other end of transistor Q2 is connected to resistor R12 and transistor Q1 respectively; transistor Q1 is connected to optocoupler OP2 through resistor R11 and resistor R27; the other end of optocoupler OP2 is connected to IGBT transistor M1 through resistor R2; the other end of optocoupler OP2 is connected to capacitor C4 and diode D1 respectively through resistor R3, resistor R4, resistor R5, and resistor R6; the other end of diode D1 is connected to capacitor C5 and diode D2 respectively; the other end of capacitor C4 is connected to the other end of diode D2 and capacitor C6 respectively, the other end of capacitor C5 is connected to diode D3, diode D4 and capacitor C7 respectively, and C6 is connected to diode D3, diode D4 and resistor R7 respectively.

7. A method for controlling a warm low-potential therapeutic apparatus, characterized in that: include: Lay the treatment blanket flat on the table, plug it into the power socket, and turn on the power switch; The controller displays the current status of the therapy device and visualizes the output temperature and potential data; Receive command and control signals from users; Then, the low potential function and warming are controlled in combination with the control main board and the function output board according to the set time; The controller includes: a display module that displays the current state of the therapeutic apparatus and the visualization of the output temperature and potential data; the user receives the user's command and control signal through the key module of the controller as needed; the timing control module drives the temperature control module and the low-potential frequency conversion and voltage conversion module according to the time set by the user or the default setting; the central control module can only control the temperature control module or the low-potential frequency conversion and voltage conversion module at the same time; when the key module receives the user's command to turn on only the warm function, the temperature acquisition module collects the temperature data of the temperature sensor of the therapeutic blanket, and the temperature control module controls the warm output of the therapeutic blanket heating wire; when the key module receives the user's command to turn on only the low-potential function, the low-potential frequency conversion and voltage conversion module controls the low-potential output of the therapeutic blanket heating wire; when the key module receives the user's command to turn on both the warm and low-potential functions, the central control module will give priority to the temperature control module, control the temperature control module to output the therapeutic blanket heating wire at the set time, and then output the therapeutic blanket heating wire at the set time with the low-potential frequency conversion and voltage conversion module, and the warm and low-potential output voltages can be loaded on the same group of output carriers; when the alarm prompt module detects that the state of the therapeutic apparatus is abnormal, it will alarm the user through the display module.

8. The control method of the warm low-potential therapeutic apparatus according to claim 7, characterized in that: include: The control mainboard is used for information processing of human-computer interaction, thermal output control, thermal temperature detection processing, low-voltage waveform modulation, and low-voltage output control.

9. The control method of the warm low-potential therapeutic apparatus according to claim 7, characterized in that: include: The function output board is used to receive the control signal from the control main board to perform output functions on the treatment blanket, and to feed back the temperature data of the treatment blanket to the control main board.

10. The control method of the warm low-potential therapeutic apparatus according to claim 7, characterized in that: The low-voltage variable frequency transformer module includes: The low potential output end of the circuit is formed by the iteration of a sine wave boosted by a negative potential boost circuit at one end and a pulse wave modulated by periodic high-speed on and off of a controlled M1 tube at the other end; The generation of negative potential sine wave controls the conduction of the optocoupler through the negative potential gear control signal, so that one of the resistors divides the voltage to select the voltage before voltage doubling, and the voltage is boosted by the boost circuit composed of diodes, and the positive electrode of the diode is taken to output the negative potential of the sine wave. The negative potential of the sine wave is output to the low potential output end of the circuit through 4 current-limiting 1M resistors; Generation of modulated pulse wave: The square wave signal with frequency change and pulse width period change is iterated through IGBT transistor to the negative potential sine wave generated by the boost circuit and output to the treatment blanket through the low potential output terminal of the circuit. The negative potential output frequency, voltage effective value and waveform output control signal are controlled; Warm output: The control signal controls the conduction of the transistor and then the conduction of the optocoupler, so that the thyristor is turned on, and the common end of the heating line is connected to the low-potential output end of the circuit. At this time, the control signal output is always in a high level state, the optocoupler is turned on, and the gate and source form a voltage difference to turn on, which is loaded to the common end of the heating line, and the therapeutic blanket generates heat.

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