CN217366907U

CN217366907U - Portable TENS pain relieving system based on short-distance wireless communication technology

Info

Publication number: CN217366907U
Application number: CN202220307710.9U
Authority: CN
Inventors: 王萌; 张婕妤; 胡雪丰; 王沛然; 龙凌霄; 张可严; 姜志深; 边楠雁; 刘翘楚; 关惠尹; 丁莉文; 杨梓炎; 杜诗仪; 王禹心
Original assignee: Sichuan University
Current assignee: Sichuan University
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-09-06
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses a portable TENS pain relieving system based on short-distance wireless communication technology, belonging to the technical field of short-distance wireless communication physical therapy, comprising a pasting layer protective film, a TENS pain relieving paste main body, a TENS pain relieving patch control module and a skin-friendly pasting layer; the adhesive layer protective film is arranged on one side of the skin-friendly adhesive layer; the other side of the skin-friendly adhesive layer is connected with one side of the TENS analgesic patch main body; the TENS analgesic patch control module is arranged in the center of the other side of the TENS analgesic patch main body; the technical scheme solves the problems of large instrument volume, various connecting lines, poor portability, lack of a mobile terminal and inconvenience in operation and control commonly existing in the conventional TENS pain relieving device, and realizes portability, family and intellectualization by controlling the portable TENS pain relieving system through the mobile terminal, and the volume miniaturization and low cost of physiotherapy equipment.

Description

Portable TENS pain relieving system based on short-distance wireless communication technology

Technical Field

The utility model belongs to the technical field of short distance wireless communication, especially, relate to a portable TENS pain relieving system based on short distance wireless communication technique.

Background

In recent years, Transcutaneous Electrical Nerve Stimulation (TENS) has attracted researchers' active research as an easy-to-use non-invasive electrophysiological treatment method. The action mechanism of TENS is that specific low-frequency pulse current is input into a human body to stimulate nerves by using electrodes placed at corresponding parts of a body through the skin so as to achieve the purpose of treating corresponding diseases by mild stimulation. At present, various treatment devices have been derived from percutaneous electrical nerve stimulation therapy, the treatment devices are distributed from medical devices to household devices, the treatment devices are widely applied to small operations or scenes of injury pain, motion relaxation and the like, the safety of the treatment devices is tested by long-term practice, and the technical level is relatively mature.

Existing TENS pain relieving devices in the market generally adopt a host computer and a pain relieving patch to be in wired connection, and still have defects when in use, for example, the problems that the connection line is easy to be wound with other objects and the like are caused because the connection line between the host computer and the patch is too long. With the introduction of wearable medical equipment in ambulatory medical treatment, medical equipment and equipment have developed a trend of portability, familiarity and intellectualization. At present, no TENS pain relieving patch can realize medical health APP on systems such as android and iOS through a Bluetooth module, is small in size and convenient to carry, and can be used for a long time at any time.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough among the prior art, the utility model provides a pair of portable TENS analgesic system based on short distance wireless communication technique has solved the instrument that current TENS analgesic device ubiquitous is bulky, the interconnecting link is numerous, the portability is poor, lack mobile terminal and control inconvenient problem.

In order to achieve the purpose of the invention, the utility model adopts the technical scheme that:

the utility model provides a portable TENS pain relieving system based on short-distance wireless communication technology, which comprises a sticking layer protective film, a TENS pain relieving sticker main body, a TENS pain relieving sticker control module and a skin-friendly sticking layer;

the adhesive layer protective film is arranged on one side of the skin-friendly adhesive layer; the other side of the skin-friendly adhesive layer is connected with one side of the TENS analgesic patch main body; the TENS pain-relieving patch control module is arranged at the central position of the other side of the TENS pain-relieving patch main body.

The utility model has the advantages that: the portable TENS pain relieving system based on the short-distance wireless communication technology ensures the adhesiveness and the cleanliness of the skin-friendly adhesive layer through the adhesive layer protective film, the skin-friendly adhesive layer is adhered to any part of a human body needing physical therapy and pain relieving, the TENS pain relieving patch main body is controlled to carry out nondestructive electrophysiological treatment by connecting the mobile terminal with the TENS pain relieving patch control terminal, the portable TENS pain relieving system is controlled by the mobile terminal to realize portability, family and intellectualization, and the size miniaturization and the low cost of physical therapy equipment are realized.

Furthermore, a TENS patch is arranged in the TENS analgesic patch main body, and is arranged between one side of the inner wrapping layer and one side of the outer wrapping layer; a TENS pain relieving plaster control module is arranged in the center of the other side of the inner wrapping layer; the other side of the outer wrapping layer is connected with the other side of the skin-friendly sticking layer.

The beneficial effect of adopting the above further scheme is that: TENS paster both sides in the analgesic paster main part of TENS are equipped with the parcel layer respectively, paste the layer through outer parcel layer and close skin and avoid the human direct contact with the TENS paster to be provided with inner wrapping layer and avoid TENS paster and the analgesic paster control module direct contact of TENS, wrap up the protection to the TENS paster, effectively increase life cycle.

Further, the TENS analgesic patch control module comprises a TENS analgesic patch control module main body, an MCU (microprogrammed control unit) micro-control sub-module, a power protection sub-module, a Bluetooth sub-module and a low-frequency signal generation sub-module;

the MCU micro control sub-module, the low-frequency signal generation sub-module, the power protection sub-module and the Bluetooth sub-module are all arranged inside the TENS analgesic patch control module main body and are all fixedly connected with the inner side of the bottom of the TENS analgesic patch control module main body; the MCU micro control sub-module is respectively connected with the power protection sub-module, the Bluetooth sub-module and the low-frequency signal generation sub-module; the power supply protection submodule is respectively connected with the Bluetooth submodule and the low-frequency signal generation submodule; the low-frequency signal generation submodule is connected with the TENS patch.

The beneficial effect of adopting the further scheme is as follows: the TENS pain relieving patch control module supplies power to the MCU micro control sub module, the Bluetooth sub module and the low-frequency signal generation sub module through the power protection sub module, so that the MCU micro control sub module can work normally, the MCU micro control sub module controls the low-frequency signal generation sub module to generate low-frequency square wave signals, nondestructive electrophysiological treatment is provided by utilizing the TENS patch, and the Bluetooth sub module is connected with a mobile terminal such as a mobile phone, so that the portable TENS pain relieving system can be regulated and controlled.

Further, the MCU micro-control sub-module comprises a control chip U1 with the model of STC89C52, a resistor R1, a key S1, a capacitor C3, a capacitor C1, a capacitor C2 and a crystal oscillator Y1;

the 1 st pin of the control chip U1 is connected with a power supply module; the 21 st pin of the control chip U1 is grounded; the 22 nd pin of the control chip U1 is respectively connected with one end of a crystal oscillator Y1 and one end of a capacitor C2; the 23 rd pin of the control chip U1 is respectively connected with the other end of the crystal oscillator Y1 and one end of the capacitor C1; the other end of the capacitor C1 is connected with the other end of the capacitor C2 and is grounded; the 30 th pin and the 31 th pin of the control chip U1 are both connected with the Bluetooth sub module; a 32 nd pin of the control chip U1 is respectively connected with one end of a resistor R1, the negative electrode of a capacitor C3 and one end of a key S1; the other end of the resistor R1 is grounded; the anode of the capacitor C3 is connected with the other end of the key S1 and is connected with the power supply module; and the 37 th pin of the control chip U1 is connected with a low-frequency signal generation submodule.

The beneficial effect of adopting the further scheme is as follows: the MCU micro-control sub-module is connected with a power supply protection sub-module through a 1 st pin of a control chip U1 with the model of STC89C52, power supply is obtained, so that the MCU micro-control sub-module works normally, a 22 th pin and a 23 th pin of the control chip U1 are connected with a crystal oscillator, clock control of the TENS pain relieving system is realized, a 30 th pin and a 31 th pin of the control chip U1 are connected with a Bluetooth sub-module, wireless regulation and control of a mobile terminal such as a mobile phone on the portable TENS pain relieving system are realized, a 32 th pin of the control chip U1 is connected through a key S1 to realize a reset switch of the TENS pain relieving system, and a 37 th pin of the control chip U1 is used for controlling a low-frequency signal generation sub-module to generate square wave signals to control the TENS patch to provide nondestructive electrophysiological treatment.

Further, the Bluetooth sub-module comprises a Bluetooth module U2 with the model number of CC2540 and a resistor R2;

the 1 st pin of the Bluetooth module U2 is connected with one end of a resistor R2 and is connected with a power supply module; the 2 nd pin of the Bluetooth module U2 is grounded; the No. 3 pin of the Bluetooth module U2 is connected with the No. 30 pin of the control chip U1; the 4 th pin of the Bluetooth module U2 is respectively connected with the other end of the resistor R2 and the 31 th pin of the control chip U1.

The beneficial effect of adopting the further scheme is as follows: the bluetooth submodule adopts the model to be CC 2540's bluetooth module U2, and the 3 rd pin and the 4 th pin through bluetooth module U2 are connected with 30 th pin and 31 th pin of control chip U1 respectively, realize connecting the little control submodule of MCU and mobile terminal such as cell-phone through the bluetooth submodule, realize regulating and controlling portable TENS pain relieving system through mobile terminal, make the control of non-destructive electrophysiological treatment more simple and convenient.

Further, the low-frequency signal generation submodule comprises a low-frequency signal generation chip U3 with the model number MAX4723, a resistor R3, a resistor R4, a battery BAT1, a capacitor C4, a capacitor C5, a resistor R6, a resistor R5, a diode D1 and a diode D2;

the 1 st pin of the low-frequency signal generation chip U3 is respectively connected with one end of a capacitor C4, one end of a capacitor C5 and the negative electrode of an electric field BAT1 and is grounded; the 2 nd pin of the low-frequency signal generating chip U3 is respectively connected with the 6 th pin, the other end of the capacitor C5, the cathode of the diode D1 and the anode of the diode D2; the 3 rd pin of the low-frequency signal generating chip U3 is connected with one end of a resistor R3; the other end of the resistor R3 is connected with one end of a resistor R4 and is connected with a TENS patch; the other end of the resistor R4 is connected with the positive electrode of a battery BAT 1; the 4 th pin of the low-frequency signal generating chip U3 is connected with the 37 th pin of the control chip U1; the 5 th pin of the low-frequency signal generating chip U3 is connected with the other end of the capacitor C4; the 7 th pin of the low-frequency signal generating chip U3 is respectively connected with one end of a resistor R5, one end of a resistor R6 and the anode of a diode D1; the other end of the resistor R5 is connected with the cathode of a diode D2; and the 8 th pin of the low-frequency signal generating chip U3 is respectively connected with the other end of the resistor R6 and the power supply protection submodule.

The beneficial effect of adopting the further scheme is as follows: the low-frequency signal generation submodule adopts MAX 4723's low-frequency signal generation chip U3, it is equal with the time of discharge circuit through letting the time of charge circuit, obtain the square wave of 50 percent of duty ratio, and it is adjustable to realize the signal frequency who produces through resistance R5 and R6, it realizes through MCU for control module's regulation and control to low-frequency signal generation submodule to be connected the realization through low-frequency signal generation chip U3's 4 th pin and control chip U1's 37 th pin, and it is 50% square wave signal to pass through R3 to the TENS paster output frequency adjustable duty ratio through low-frequency signal generation chip U3's 3 rd pin, realize utilizing the TENS paster to provide non-destructive electrophysiological treatment.

Further, the power protection submodule (5) comprises a voltage stabilizing chip U4 with the model number LM7825, a rectifier bridge H1, an inductor L1, a capacitor C6, a diode D3, a diode D4, a lithium battery BAT2, a switch K1, a capacitor C7 and a capacitor C8;

the 1 st pin and the 3 rd pin of the rectifier bridge H1 are both connected with a mains supply; a No. 2 pin of the rectifier bridge H1 is connected with one end of an inductor L1; the other end of the inductor L1 is respectively connected with one end of a capacitor C6, the cathode of a diode D3 and the anode of a diode D4; the negative electrode of the diode D4 is respectively connected with the positive electrode of the lithium battery BAT2 and the movable end of the switch K1; the fixed end of the switch K1 is respectively connected with one end of a capacitor C7 and the 1 st pin of a voltage stabilizing chip U4; a 4 th pin of the rectifier bridge H1 is respectively connected with the other end of the capacitor C6, the anode of the diode D3, the cathode of the lithium battery BAT2, the other end of the capacitor C7, a 3 rd pin of the voltage stabilizing chip U4 and one end of the capacitor C8; the other end of the capacitor C8 is connected with the 2 nd pin of the voltage stabilizing chip U4, the 1 st pin of the control chip U1, the 1 st pin of the Bluetooth module U2, one end of the resistor R2, the 8 th pin of the low-frequency signal generating chip U3 and the other end of the resistor R6.

The beneficial effect of adopting the further scheme is as follows: the power protection submodule adopts a voltage stabilizing chip U4 with the model of LM7825, realizes the charge-discharge control of a lithium battery BAT2 through a switch K1, enables the TENS analgesic system to charge the lithium battery BAT2 when the switch K1 is not closed, utilizes the lithium battery BAT2 to assist the mains supply connected with the 1 st pin and the 3 rd pin of a rectifier H1 to carry out voltage stabilizing power supply when the switch K1 is closed, if the mains supply is connected under the condition that the switch K1 is closed, the power can be continuously supplied for a short time through the lithium battery BAT2, avoids the power failure damage of the portable TENS analgesic system, a 2 nd pin of the voltage stabilizing chip U4 is connected with a 1 st pin of a control chip U1 to realize the power supply to the MCU microcontroller subsystem, a 2 nd pin of the voltage stabilizing chip U4 is connected with a 1 st pin of a Bluetooth module U2 and one end of a resistor R2 to realize the power supply to the Bluetooth submodule, and a communication submodule of the MCU microcontroller, namely a 4 th pin of the Bluetooth module U2 is connected with the voltage of the Bluetooth submodule, namely the voltage V2 +2.5V 2, the 2 nd pin of the voltage stabilizing chip U4 is connected with the 9 th pin of the low-frequency signal generating chip U3, so that power is supplied to the low-frequency signal generating submodule, square wave signals with different frequencies and 50% duty ratios are obtained through regulation and control of a resistor R6 and a resistor R5 through the other end of a connecting resistor R6, and the square wave signals are output to a TENS patch to provide non-destructive electrophysiological treatment.

Drawings

Fig. 1 is a top view of a portable TENS pain relief system based on short-range wireless communication technology according to an embodiment of the present invention.

Fig. 2 is a schematic view of the protective film and the skin-friendly adhesive layer in the embodiment of the present invention.

Fig. 3 is a schematic diagram of a TENS patch, an outer wrapping layer, and an inner wrapping layer in an embodiment of the present invention.

Fig. 4 is a schematic circuit diagram of the MCU micro control submodule according to the embodiment of the present invention.

Fig. 5 is a schematic circuit diagram of the bluetooth sub-module in the embodiment of the present invention.

Fig. 6 is a schematic circuit diagram of the low frequency signal generation sub-module according to the embodiment of the present invention.

Fig. 7 is a schematic circuit diagram of the power protection submodule according to the embodiment of the present invention.

Wherein: 1. sticking a layer protective film; 2. TENS analgesic patch body; 3. a TENS analgesic patch control module body; 4. MCU micro control submodule; 5. a power supply protection submodule; 6. a Bluetooth sub-module; 7. a low-frequency signal generation submodule; 8. a skin-friendly adhesive layer; 9. a TENS patch; 10. an inner wrapping layer; 11. and an outer wrapping layer.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.

As shown in fig. 1 and 2, in an embodiment of the present invention, the present solution provides a portable TENS pain relief system based on short-distance wireless communication technology, which includes an adhesive layer protection film 1, a TENS pain relief patch main body 2, a TENS pain relief patch control module, and a skin-friendly adhesive layer 8;

the adhesive layer protective film 1 is arranged on one side of the skin-friendly adhesive layer 8; the other side of the skin-friendly adhesive layer 8 is connected with one side of the TENS analgesic patch main body 2; the TENS analgesic patch control module is arranged in the center of the other side of the TENS analgesic patch main body 2;

as shown in fig. 3, the TENS pain relief patch body 2 is provided with a TENS patch 9 inside, and the TENS patch 9 is provided between one side of the inner wrapper 10 and one side of the outer wrapper 11; a TENS pain relieving plaster control module 3 is arranged in the center of the other side of the inner wrapping layer; the other side of the outer wrapping layer 11 is connected with the other side of the skin-friendly sticking layer 8;

the TENS analgesic patch control module comprises a TENS analgesic patch control module main body 3, an MCU (microprogrammed control Unit) micro-control sub-module 4, a power supply protection sub-module 5, a Bluetooth sub-module 6 and a low-frequency signal generation sub-module 7;

the MCU micro control sub-module 4, the low-frequency signal generation sub-module 7, the power protection sub-module 5 and the Bluetooth sub-module 6 are all arranged inside the TENS analgesic patch control module main body 3 and are all fixedly connected with the inner side of the bottom of the TENS analgesic patch control module main body 3; the MCU micro control sub-module 4 is respectively connected with the power protection sub-module 5, the Bluetooth sub-module 6 and the low-frequency signal generation sub-module 7; the power protection submodule 5 is respectively connected with the Bluetooth submodule 6 and the low-frequency signal generation submodule 7; the low-frequency signal generation submodule 7 is connected with a TENS patch 9;

the TENS patch 9 is a heating layer adopting TENS technology, and can provide effective non-invasive electrophysiological treatment;

as shown in fig. 4, the MCU micro-control submodule 4 includes a control chip U1 with model STC89C52, a resistor R1, a key S1, a capacitor C3, a capacitor C1, a capacitor C2, and a crystal oscillator Y1;

the 1 st pin of the control chip U1 is connected with a power supply module; the 21 st pin of the control chip U1 is grounded; the 22 nd pin of the control chip U1 is respectively connected with one end of a crystal oscillator Y1 and one end of a capacitor C2; the 23 rd pin of the control chip U1 is respectively connected with the other end of the crystal oscillator Y1 and one end of the capacitor C1; the other end of the capacitor C1 is connected with the other end of the capacitor C2 and is grounded; the 30 th pin and the 31 th pin of the control chip U1 are both connected with the Bluetooth submodule 6; a 32 nd pin of the control chip U1 is respectively connected with one end of a resistor R1, the negative electrode of a capacitor C3 and one end of a key S1; the other end of the resistor R1 is grounded; the anode of the capacitor C3 is connected with the other end of the key S1 and is connected with the power supply module; the 37 th pin of the control chip U1 is connected with the low-frequency signal generation submodule 7;

as shown in fig. 5, the bluetooth sub-module 6 includes a bluetooth module U2 with model number CC2540, a resistor R2;

the 1 st pin of the Bluetooth module U2 is connected with one end of a resistor R2 and is connected with a power supply module; the 2 nd pin of the Bluetooth module U2 is grounded; the No. 3 pin of the Bluetooth module U2 is connected with the No. 30 pin of the control chip U1; the 4 th pin of the Bluetooth module U2 is respectively connected with the other end of the resistor R2 and the 31 th pin of the control chip U1;

as shown in fig. 6, the low-frequency signal generation submodule 7 includes a low-frequency signal generation chip U3 with a model number MAX4723, a resistor R3, a resistor R4, a battery BAT1, a capacitor C4, a capacitor C5, a resistor R6, a resistor R5, a diode D1 and a diode D2;

the 1 st pin of the low-frequency signal generation chip U3 is respectively connected with one end of a capacitor C4, one end of a capacitor C5 and the negative electrode of an electric field BAT1 and is grounded; the 2 nd pin of the low-frequency signal generating chip U3 is respectively connected with the 6 th pin, the other end of the capacitor C5, the cathode of the diode D1 and the anode of the diode D2; the No. 3 pin of the low-frequency signal generating chip U3 is connected with one end of a resistor R3; the other end of the resistor R3 is connected with one end of a resistor R4 and is connected with a TENS patch 9; the other end of the resistor R4 is connected with the positive electrode of a battery BAT 1; the 4 th pin of the low-frequency signal generating chip U3 is connected with the 37 th pin of the control chip U1; the 5 th pin of the low-frequency signal generating chip U3 is connected with the other end of the capacitor C4; the 7 th pin of the low-frequency signal generating chip U3 is respectively connected with one end of a resistor R5, one end of a resistor R6 and the anode of a diode D1; the other end of the resistor R5 is connected with the cathode of a diode D2; the 8 th pin of the low-frequency signal generation chip U3 is respectively connected with the other end of the resistor R6 and the power supply protection submodule;

as shown in fig. 7, the power protection sub-module 5 includes a voltage regulation chip U4 with a model LM7825, a rectifier bridge H1, an inductor L1, a capacitor C6, a diode D3, a diode D4, a lithium battery BAT2, a switch K1, a capacitor C7, and a capacitor C8;

The working principle of the scheme is as follows: the portable TENS pain relieving system based on the short-distance wireless communication technology ensures the adhesiveness and cleanliness of the skin-friendly adhesive layer through the adhesive layer protective film, the skin-friendly adhesive layer is adhered to any part of a human body needing physical therapy pain relieving, and the movable terminal is connected with the TENS pain relieving patch control terminal to control the TENS pain relieving patch main body to carry out non-destructive electrophysiological treatment; two sides of a TENS patch in the TENS analgesic patch main body are respectively provided with a wrapping layer, the outer wrapping layer and the skin-friendly pasting layer are used for avoiding the direct contact between a human body and the TENS patch, the inner wrapping layer is arranged for avoiding the direct contact between the TENS patch and a TENS analgesic patch control module, the TENS patch is wrapped and protected, and the service cycle is effectively prolonged; the TENS analgesic patch control module supplies power to the MCU micro-control module, the Bluetooth module and the low-frequency signal generation module through the power protection module to enable the MCU micro-control module, the Bluetooth module and the low-frequency signal generation module to work normally, the MCU micro-control module controls the low-frequency signal generation module to generate a low-frequency square wave signal, nondestructive electrophysiological treatment is provided by utilizing the TENS patch, and the Bluetooth module is connected with a mobile terminal such as a mobile phone to realize regulation and control of a portable TENS analgesic system; the MCU micro-control sub-module is connected with a power supply protection sub-module through a 1 st pin of a control chip U1 with the model of STC89C52 to obtain power supply so as to normally work, the 22 th pin and the 23 th pin of the control chip U1 are connected with a crystal oscillator to realize the clock control of the TENS analgesic system, the 30 th pin and the 31 th pin of the control chip U1 are connected with a Bluetooth sub-module to realize the wireless regulation and control of a mobile terminal such as a mobile phone on the portable TENS analgesic system, the 32 th pin of the control chip U1 is connected through a key S1 to realize the reset switch of the TENS analgesic system, and the 37 th pin of the control chip U1 is used for controlling a low-frequency signal generation sub-module to generate square signals to control the TENS patch to provide non-invasive electrophysiological treatment; the Bluetooth sub-module adopts a Bluetooth module U2 with the model number of CC2540, and is respectively connected with a 30 th pin and a 31 th pin of a control chip U1 through a 3 rd pin and a 4 th pin of a Bluetooth module U2, so that the MCU micro-control sub-module is connected with mobile terminals such as mobile phones through the Bluetooth sub-module, a portable TENS pain relieving system is regulated and controlled through the mobile terminals, and the control of the non-destructive electrophysiological treatment is simpler and more convenient; the low-frequency signal generation submodule adopts a MAX4723 low-frequency signal generation chip U3, a square wave with the duty ratio of 50 percent is obtained by enabling the time of a charging loop to be equal to that of a discharging loop, the generated signal frequency is adjustable through resistors R5 and R6, the low-frequency signal generation submodule is regulated and controlled by the MCU through the connection of the pin 4 of the low-frequency signal generation chip U3 and the pin 37 of the control chip U1, a square wave signal with the adjustable frequency and the duty ratio of 50 percent is output to the TENS patch through the pin 3 of the low-frequency signal generation chip U3 and R3, and the non-invasive electrophysiological treatment is provided by utilizing the TENS patch; the power protection sub-module adopts a voltage stabilizing chip U4 with the model number LM7825, realizes the charge-discharge control of a lithium battery BAT2 through a switch K1, enables the TENS analgesic system to charge a lithium battery BAT2 when the switch K1 is not closed, utilizes a lithium battery BAT2 to assist a mains supply connected with a 1 st pin and a 3 rd pin of a rectifier H1 to perform voltage stabilizing power supply when a switch K1 is closed, can also continuously supply power for a short time through the lithium battery BAT2 when the switch K1 is closed, avoids the power failure damage of the portable TENS analgesic system, a 2 nd pin of the voltage stabilizing chip U4 is connected with a 1 st pin of a control chip U1 to realize the power supply of the MCU sub-system, a 2 nd pin of the voltage stabilizing chip U4 is connected with a 1 st pin of a Bluetooth module U2 and one end of a resistor R2 to realize the power supply of the Bluetooth sub-module, and a communication connection end of the Bluetooth module and the MCU sub-module, namely a 4 th pin of the Bluetooth module U2, is connected with a voltage V38, the 2 nd pin of the voltage stabilizing chip U4 is connected with the 9 th pin of the low-frequency signal generating chip U3, so that power is supplied to the low-frequency signal generating submodule, square wave signals with different frequencies and 50% duty ratios are obtained through regulation and control of a resistor R6 and a resistor R5 through the other end of a connecting resistor R6, and the square wave signals are output to a TENS patch to provide non-destructive electrophysiological treatment.

Claims

1. A portable TENS pain relieving system based on a short-distance wireless communication technology is characterized by comprising an adhesive layer protective film (1), a TENS pain relieving adhesive main body (2), a TENS pain relieving adhesive patch control module and a skin-friendly adhesive layer (8);

the adhesive layer protective film (1) is arranged on one side of the skin-friendly adhesive layer (8); the other side of the skin-friendly adhesive layer (8) is connected with one side of the TENS pain relieving adhesive main body (2); the TENS analgesic patch control module is arranged in the central position of the other side of the TENS analgesic patch main body (2).

2. The portable TENS analgesia system according to claim 1, wherein the TENS analgesia patch body (2) is internally provided with a TENS patch (9), and the TENS patch (9) is arranged between one side of the inner wrapping layer (10) and one side of the outer wrapping layer (11); a TENS pain relieving plaster control module is arranged in the center of the other side of the inner wrapping layer; the other side of the outer wrapping layer (11) is connected with the other side of the skin-friendly adhesive layer (8).

3. The portable TENS analgesia system based on short-range wireless communication technology according to claim 2, wherein the TENS analgesia patch control module comprises a TENS analgesia patch control module main body (3), an MCU micro control sub-module (4), a power protection sub-module (5), a bluetooth sub-module (6), and a low frequency signal generation sub-module (7);

the MCU micro-control sub-module (4), the low-frequency signal generation sub-module (7), the power protection sub-module (5) and the Bluetooth sub-module (6) are all arranged in the TENS analgesic patch control module main body (3) and are all fixedly connected with the inner side of the bottom of the TENS analgesic patch control module main body (3); the MCU micro control sub-module (4) is respectively connected with the power protection sub-module (5), the Bluetooth sub-module (6) and the low-frequency signal generation sub-module (7); the power protection submodule (5) is respectively connected with the Bluetooth submodule (6) and the low-frequency signal generation submodule (7); the low-frequency signal generation submodule (7) is connected with the TENS patch (9).

4. The portable TENS pain relief system based on short-range wireless communication technology according to claim 3, wherein the MCU micro-control sub-module (4) comprises a control chip U1 with model number STC89C52, a resistor R1, a key S1, a capacitor C3, a capacitor C1, a capacitor C2, a crystal oscillator Y1;

the 1 st pin of the control chip U1 is connected with a power supply module; the 21 st pin of the control chip U1 is grounded; the 22 nd pin of the control chip U1 is respectively connected with one end of a crystal oscillator Y1 and one end of a capacitor C2; the 23 rd pin of the control chip U1 is respectively connected with the other end of the crystal oscillator Y1 and one end of the capacitor C1; the other end of the capacitor C1 is connected with the other end of the capacitor C2 and is grounded; the 30 th pin and the 31 th pin of the control chip U1 are both connected with a Bluetooth sub-module (6); a 32 nd pin of the control chip U1 is respectively connected with one end of a resistor R1, the negative electrode of a capacitor C3 and one end of a key S1; the other end of the resistor R1 is grounded; the anode of the capacitor C3 is connected with the other end of the key S1 and is connected with the power supply module; and the 37 th pin of the control chip U1 is connected with a low-frequency signal generation submodule (7).

5. The portable TENS analgesia system according to claim 4, wherein the bluetooth sub-module (6) comprises a bluetooth module U2 model No. CC2540, a resistor R2;

6. The portable TENS analgesia system according to claim 5, wherein the low-frequency signal generation submodule (7) comprises a low-frequency signal generation chip U3 with model number MAX4723, a resistor R3, a resistor R4, a battery BAT1, a capacitor C4, a capacitor C5, a resistor R6, a resistor R5, a diode D1 and a diode D2;

the 1 st pin of the low-frequency signal generation chip U3 is respectively connected with one end of a capacitor C4, one end of a capacitor C5 and the negative electrode of an electric field BAT1 and is grounded; the 2 nd pin of the low-frequency signal generating chip U3 is respectively connected with the 6 th pin, the other end of the capacitor C5, the cathode of the diode D1 and the anode of the diode D2; the 3 rd pin of the low-frequency signal generating chip U3 is connected with one end of a resistor R3; the other end of the resistor R3 is connected with one end of a resistor R4 and is connected with a TENS patch (9); the other end of the resistor R4 is connected with the positive electrode of a battery BAT 1; the 4 th pin of the low-frequency signal generating chip U3 is connected with the 37 th pin of the control chip U1; the 5 th pin of the low-frequency signal generating chip U3 is connected with the other end of the capacitor C4; the 7 th pin of the low-frequency signal generating chip U3 is respectively connected with one end of a resistor R5, one end of a resistor R6 and the anode of a diode D1; the other end of the resistor R5 is connected with the cathode of a diode D2; and the 8 th pin of the low-frequency signal generating chip U3 is respectively connected with the other end of the resistor R6 and the power supply protection submodule.

7. The portable TENS pain relief system based on short-range wireless communication technology of claim 6, wherein the power protection sub-module (5) comprises a voltage regulation chip U4 model LM7825, a rectifier bridge H1, an inductor L1, a capacitor C6, a diode D3, a diode D4, a lithium battery BAT2, a switch K1, a capacitor C7 and a capacitor C8;

the 1 st pin and the 3 rd pin of the rectifier bridge H1 are both connected with a mains supply; the No. 2 pin of the rectifier bridge H1 is connected with one end of an inductor L1; the other end of the inductor L1 is respectively connected with one end of a capacitor C6, the cathode of a diode D3 and the anode of a diode D4; the negative electrode of the diode D4 is respectively connected with the positive electrode of the lithium battery BAT2 and the movable end of the switch K1; the fixed end of the switch K1 is respectively connected with one end of a capacitor C7 and the 1 st pin of a voltage stabilizing chip U4; a 4 th pin of the rectifier bridge H1 is respectively connected with the other end of the capacitor C6, the anode of the diode D3, the cathode of the lithium battery BAT2, the other end of the capacitor C7, a 3 rd pin of the voltage stabilizing chip U4 and one end of the capacitor C8; the other end of the capacitor C8 is connected with the 2 nd pin of the voltage stabilizing chip U4, the 1 st pin of the control chip U1, the 1 st pin of the Bluetooth module U2, one end of the resistor R2, the 8 th pin of the low-frequency signal generating chip U3 and the other end of the resistor R6.