Wireless electrode device for neuromuscular low frequency electrical stimulation

Abstract

The present application relates to a kind of wireless electrode device of neuromuscular low-frequency electric stimulation.It solves the problem that the use mode of neuromuscular electric stimulation equipment in prior art is single, and it is easy to be damaged when being used for a long time to maintain high-frequency output.It includes electric stimulation box, electric stimulation box is connected with wireless controller by wireless transceiver module, electric stimulation box is connected with several electric stimulation ends by electric stimulation branch, electric stimulation end is connected with pulse signal emission module arranged in electric stimulation box by low-frequency control circuit and electric stimulation branch, and electric stimulation end is connected with pulse signal emission module arranged in electric stimulation box by pulse signal adjustment circuit.The present application has the advantages of: multiple working modes, meet the needs of extensive use, and can maintain stable low-frequency output, reduce damage.

Description

Technical Field

[0001] This invention relates to the field of massage equipment technology, and more specifically to a wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves. Background Technology

[0002] Due to changes in lifestyle, prolonged computer and mobile phone use, coupled with a lack of exercise, some people experience muscle strain and stiffness, leading to various ailments such as shoulder pain, neck pain, and lower back pain. In modern medicine, neuromuscular electrical stimulation (EMS) devices have become a primary treatment and rehabilitation method. They can promote local blood circulation, relax muscles, stimulate neuromuscular tissue, reduce pain, and decrease edema, resulting in their increasing popularity. However, commercially available EMS devices are bulky and heavy, and their wired electrode patches are prone to tangling, making them inconvenient to use. Furthermore, existing EMS devices offer limited usage modes, failing to meet the increasingly sophisticated massage needs of individuals, and prolonged high-frequency output can potentially damage muscle tissue.

[0003] To address the shortcomings of existing technologies, researchers have conducted long-term research and proposed various solutions. For example, Chinese patent literature discloses a portable neuromuscular electrical stimulation device [CN201820897657.6], which includes a device housing, a control circuit disposed within the housing, and electrode pads connected to the control circuit. The control circuit includes a power supply circuit, a boost circuit, and an electrode drive circuit connected in sequence. The control circuit also includes an MCU, which is connected to the boost circuit and the electrode drive circuit. The electrode pads include electrode patches and electromagnetic buckles. The electromagnetic buckles include a female buckle and a male buckle. The female buckle is fixed to the device housing and electrically connected to the electrode drive circuit, while the male buckle is fixed to the electrode patch and electrically connected to the electrode patch. This invention uses an electromagnetic buckle connection method to achieve wireless connection and reduce the tangling problems caused by wires.

[0004] The above solution has solved to some extent the problems of large size, difficulty in carrying, and easy tangling of wires in the existing neuromuscular electrical stimulation devices. However, the solution still has many shortcomings, such as: the use mode is limited, which makes it difficult to meet people's increasingly high massage needs, and long-term high-frequency output can easily damage muscle tissue. Summary of the Invention

[0005] The purpose of this invention is to address the above-mentioned problems by providing a wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves, comprising an electrical stimulation box, the electrical stimulation box being connected to a wireless controller via a wireless transceiver module, the electrical stimulation box being connected to a plurality of electrical stimulation terminals via an electrical stimulation branch, the electrical stimulation terminals being connected to the electrical stimulation branch via a low-frequency control circuit, and the electrical stimulation terminals being connected to a pulse signal transmitting module disposed within the electrical stimulation box via a pulse signal adjustment circuit.

[0007] The electrical stimulation box in this solution is connected to the electrical stimulation end through an electrical stimulation branch, and the electrical stimulation end and the pulse signal transmission module are connected by a pulse signal adjustment circuit to realize massage rehabilitation through electrical stimulation and pulse waveform vibration. This expands the application scenarios, meets diverse massage needs, and the circuit separation and low-frequency control circuit make the device less prone to damage during long-term use, thus extending its service life.

[0008] In the aforementioned wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves, the electrical stimulation end includes an electrical stimulation patch, an electrode plate connected to the bottom of the electrical stimulation patch, and a ring-shaped vibrating plate group arranged around the electrode plate. The electrode plate and the vibrating plate group are adhered to the human body surface. Several electrode points are provided at the bottom of the electrode plate, and the inner side of the electrode points is filled with electrothermal material. The outer wall of the electrode points is covered with insulating rubber, and the ends of the electrode points pass through the insulating rubber to contact the human skin. The electrode points are connected to the electrical stimulation patch through a step-down circuit.

[0009] By delivering microcurrents to the muscles through electrode points, it is beneficial to stimulate the muscles. Furthermore, the setting of the heating material can achieve heating massage, improving comfort. Secondly, the setting of insulating rubber can prevent current leakage and improve safety during use.

[0010] In the aforementioned wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves, the vibrating plate group is composed of several layers of vibrating plates stacked together, and two adjacent vibrating plates are connected by a sliding diaphragm arranged longitudinally. The vibrating plate group has a clearance groove on its inner circumferential side for the electrode plate to pass through, and the end faces of the vibrating plates at the bottom and top are both planar. A vibration pressure seat is provided at one end of the vibrating plate group near the electrical stimulation patch, and the vibration pressure seat is electrically connected to the pulse signal adjustment circuit through a frequency damper.

[0011] By receiving different pulse waveform signals through a frequency damper and combining them with multi-layer vibrating plates, vibration efficiency at different frequencies and intensities can be achieved, thus improving the flexibility of use.

[0012] In the aforementioned wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves, the electrical stimulation patch has a wiring cavity on its inner circumferential side, a connection port on one side of the electrical stimulation patch, and a positioning slot on the other side of the electrical stimulation patch. The positioning slot is circumferentially arc-shaped, and the aforementioned electrode sheet and vibrating sheet assembly are disposed in the positioning slot.

[0013] In the aforementioned wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves, a circuit board is provided inside the electrical stimulation box. The circuit board is connected to a power supply via an automatic on / off switch, and an MCU module is provided on the circuit board. The MCU module is connected to a sampling feedback circuit for sampling the current and voltage of the electrical stimulation branch.

[0014] By employing a feedback circuit, the actual current and voltage at the electrical stimulation end can be reported in real time, facilitating real-time adjustment.

[0015] In the aforementioned wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves, the operating modes of the electrical stimulation end are divided into matrix heating, microcurrent stimulation, ring low-frequency vibration, and heating vibration, wherein:

[0016] Matrix heating uses the current in the electrode plates to conduct electricity to the heating material, thus creating a heating effect.

[0017] Microcurrent stimulation uses a low-frequency control circuit to energize the electrode points, which then introduce microcurrents into the human muscles and form a circuit through the vibrating pad assembly.

[0018] The ring-shaped low-frequency vibration receives pulse signals through a pulse signal adjustment circuit, generates pulse waveforms to cause the vibrating plate group to vibrate, and adjusts the vibration frequency according to the frequency of the pulse waveform.

[0019] Heating vibration causes the vibrating plate assembly to vibrate simultaneously by heating the conductive electrothermal material.

[0020] Multiple working modes can meet various needs such as muscle massage and muscle stimulation, making it suitable for a wide range of applications and more flexible in use.

[0021] In the aforementioned wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves, the pulse signal conditioning circuit is connected to the MCU module through a phase detection circuit. The phase detection circuit receives the sampling signal from the sampling feedback circuit and the control signal from the MCU module, and outputs a real-time variable sinusoidal low-frequency signal to the electrical stimulation branch according to the phase difference. A signal isolation transformer is provided on the electrical stimulation branch.

[0022] The output power can be adjusted in a timely manner through the phase detection circuit and the control signal of the MCU module, making the output power more stable. In addition, the setting of the signal isolation transformer can reduce signal interference and improve the stability of signal output.

[0023] In the aforementioned wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves, the inner wall of the stimulation box is covered with an insulating film, and the bottom of the stimulation box is provided with a snap-fit ​​buckle with a magnetic absorbing piece embedded in it. The stimulation box is provided with a strip-shaped heat dissipation groove in the circumference, and the insulating film is provided with a clearance gap corresponding to the heat dissipation groove. The stimulation box is provided with a circuit board assembly frame, the circuit board is suspended in the circuit board assembly frame, and the circuit board assembly frame is provided with a power supply compartment.

[0024] In the aforementioned wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves, the wireless controller is equipped with a display screen for displaying the output power, and the wireless controller is equipped with an adjustment knob for wirelessly adjusting the output power, with several functional buttons located below the adjustment knob.

[0025] In the aforementioned wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves, the stimulation end is connected to a central diagnostic circuit. This circuit is connected to a pulse signal conditioning circuit and an MCU module via diagnostic branches. The central diagnostic circuit can detect circuit faults and promptly shut down the device in case of short circuits or device malfunctions, thus improving operational safety.

[0026] Compared with existing technologies, the advantages of this invention are: convenient operation and flexible use. By setting electrode points and vibration pads at the electrical stimulation end, various usage modes are realized, which can meet people's diverse needs for muscle massage and rehabilitation. Furthermore, by sampling the current and voltage and cooperating with the phase detection circuit, a stable power output is achieved, which enables the electrical stimulation end to maintain stable low-frequency operation, reduces secondary damage, and has good usage effect. Attached Figure Description

[0027] Figure 1 This is an exploded view of the electrical stimulation end in this invention;

[0028] Figure 2 This is an exploded view of the vibrating plate assembly in this invention;

[0029] Figure 3 This is a schematic diagram of the overall structure of the electrical stimulation end of the present invention;

[0030] Figure 4 This is a partial structural connection diagram of the present invention;

[0031] Figure 5 This is a simplified diagram of a partial circuit connection in this invention;

[0032] Figure 6 This is a cross-sectional view of the electrical stimulation box in this invention;

[0033] Figure 7 This is a schematic diagram of the wireless controller structure in this invention;

[0034] In the diagram: 1. Electrical stimulation box; 12. Electrical stimulation branch; 11. Wireless transceiver module; 13. Pulse signal transmission module; 14. Circuit board; 15. Automatic on / off switch; 16. Power supply; 17. MCU module; 18. Sampling feedback circuit; 19. Phase detection circuit; 20. Wireless controller; 21. Display screen; 22. Adjustment knob; 23. Function button; 3. Electrical stimulation terminal; 31. Low-frequency control circuit; 32. Pulse signal adjustment circuit; 33. Electrical stimulation patch; 33. Wiring cavity; 34. Connecting port. 32. Positioning slot 333. Electrode plate 34. Electrode point 341. Heating material 342. Insulating rubber 343. Voltage reduction circuit 344. Vibrating plate group 35. Vibrating plate 351. Sliding diaphragm 352. Clearance slot 353. Vibration pressure seat 354. Frequency damper 355. Main diagnostic circuit 36. Diagnostic branch circuit 37. Signal isolation transformer 4. Insulating diaphragm 5. Snap-fit ​​51. Magnetic suction plate 52. Heat dissipation slot 53. Circuit board assembly rack 54. Power supply compartment 55. Detailed Implementation

[0035] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0036] like Figure 1-7 As shown, a wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves includes an electrical stimulation box 1. The electrical stimulation box 1 is connected to a wireless controller 2 via a wireless transceiver module 11. The electrical stimulation box 1 is connected to a plurality of electrical stimulation terminals 3 via an electrical stimulation branch 12. The electrical stimulation terminals 3 are connected to the electrical stimulation branch 12 via a low-frequency control circuit 31, and the electrical stimulation terminals 3 are connected to a pulse signal transmitting module 13 disposed in the electrical stimulation box 1 via a pulse signal adjustment circuit 32.

[0037] The low-frequency control circuit 31 ensures low-frequency operation of the electrical stimulation end 3, avoiding damage to muscle tissue from high-frequency output, and the pulse signal adjustment circuit 32 is used to adjust the pulse waveform, thereby achieving different vibration modes.

[0038] The electrical stimulation end 3 includes an electrical stimulation patch 33, with an electrode sheet 34 connected to the bottom of the patch 33. The electrode sheet 34 is provided with a ring-shaped vibrating sheet group 35 around its circumference. The electrode sheet 34 and the vibrating sheet group 35 are attached to the human body surface. The bottom of the electrode sheet 34 is provided with a number of electrode points 341. The inner side of the electrode points 341 is filled with an electrothermal material 342. The outer wall of the electrode points 341 is covered with insulating rubber 343. The ends of the electrode points 341 pass through the insulating rubber 343 and come into contact with the human skin. The electrode points 341 are connected to the electrical stimulation patch 33 through a step-down circuit 344.

[0039] Electrode points 341 are made of metal and are used to introduce microcurrents into muscle tissue. The heating material 342 is used to heat the tissue during massage to improve the rehabilitation effect. The insulating rubber 343 is used to prevent current leakage. The electrode points 341 can be arranged in a matrix or a ring. The step-down circuit 344 is used to actively reduce the output voltage.

[0040] Furthermore, the vibrating pad group 35 is composed of several layers of vibrating pads 351 stacked together, and two adjacent vibrating pads 351 are connected by a longitudinally arranged sliding diaphragm 352. The vibrating pad group 35 has a clearance groove 353 on the inner side of the circumference for the electrode pad 34 to pass through. The end faces of the vibrating pads 351 located at the bottom and top are both planar. A vibration pressure seat 354 is provided at one end of the vibrating pad group 35 near the electrical stimulation patch 33. The vibration pressure seat 354 is electrically connected to the pulse signal adjustment circuit 32 through a frequency damper 355.

[0041] The pulse signal transmitting module 13 emits a pulse waveform signal. The pulse signal adjustment circuit 32 actively adjusts and suppresses the received pulse waveform signal and uses the vibration frequency damper 355 to realize the vibration of the vibrating plate group 35. The vibration force and vibration frequency of the vibrating plate group 35 are different depending on the pulse waveform signal.

[0042] Obviously, the electrical stimulation patch 33 has a wiring cavity 331 on the inner side of its circumference, a wiring port 332 on one side of the electrical stimulation patch 33, and a positioning slot 333 on the other side of the electrical stimulation patch 33. The positioning slot 333 is arc-shaped in the circumference, and the aforementioned electrode sheet 34 and vibrating sheet group 35 are disposed in the positioning slot 333.

[0043] The bottom of the electrical stimulation patch 33 is attached to the surface of human skin. The positioning slot 333 is used to ensure the stability of the electrode pad 34 and the vibrating pad assembly 35 during operation. The electrical stimulation patch 33 is coated with an insulating layer on the outer periphery.

[0044] Specifically, the electrical stimulation box 1 is equipped with a circuit board 14, which is connected to a power supply 16 via an automatic on / off switch 15. The circuit board 14 is also equipped with an MCU module 17, which is connected to a sampling feedback circuit 18 for sampling the current and voltage of the electrical stimulation branch 12.

[0045] Furthermore, the working modes of the electrical stimulation terminal 3 are divided into matrix heating, microcurrent stimulation, ring low-frequency vibration, and heating vibration, among which:

[0046] Matrix heating conducts current through electrode 34 to the heating material 342, thereby creating a heating effect.

[0047] Microcurrent stimulation is applied to electrode point 341 by low-frequency control circuit 31, and microcurrent is introduced into human muscle through electrode point 341 and formed through vibrating plate group 35.

[0048] The ring-shaped low-frequency vibration receives pulse signals through the pulse signal adjustment circuit 32, generates pulse waveforms, causes the vibrating plate group 35 to vibrate, and adjusts the vibration frequency according to the frequency of the pulse waveform.

[0049] The heating vibration causes the vibrating plate group 35 to vibrate simultaneously by heating the conductive electric heating material 342.

[0050] It offers a variety of massage and rehabilitation modes that can be set according to the needs of different people, and the circular low-frequency vibration can provide different vibration frequencies and vibration intensities depending on the waveform pulse signal.

[0051] More specifically, the pulse signal conditioning circuit 32 is connected to the MCU module 17 through the phase detection circuit 19. The phase detection circuit 19 receives the sampling signal from the sampling feedback circuit 18 and the control signal from the MCU module 17, and outputs a real-time variable sinusoidal low-frequency signal to the electrical stimulation branch 12 according to the phase difference. A signal isolation transformer 4 is provided on the electrical stimulation branch 12.

[0052] The phase detection circuit 19 calculates the phase difference of the control signal based on the control signal of the MCU module 17 and the actual working current and voltage of the electrical stimulation terminal 3, thereby realizing feedback regulation so that the output power of the electrical stimulation terminal 3 is always maintained within the set low-frequency operating range.

[0053] In detail, the inner wall of the electrical stimulation box 1 is covered with an insulating film 5, and the bottom of the electrical stimulation box 1 is provided with a snap fastener 51, the snap fastener 51 is embedded with a magnetic absorbing piece 52, and the electrical stimulation box 1 is provided with a strip-shaped heat dissipation groove 53 around its periphery. The insulating film 5 is provided with a clearance gap corresponding to the heat dissipation groove 53, and the electrical stimulation box 1 is provided with a circuit board assembly frame 54. The circuit board 14 is suspended in the circuit board assembly frame 54, and the circuit board assembly frame 54 is provided with a power supply compartment 55.

[0054] Preferably, the wireless controller 2 is provided with a display screen 21 for displaying the output power, and the wireless controller 2 is provided with an adjustment knob 22 for wirelessly adjusting the output power, and a number of functional buttons 23 are provided on the lower side of the adjustment knob 22.

[0055] In addition, the electrical stimulation terminal 3 is connected to a main diagnostic circuit 36, which is connected to the pulse signal conditioning circuit 32 and the MCU module 17 via a diagnostic branch 37. The diagnostic branch 37 is used to detect circuit faults and equipment faults, and automatically cuts off the power supply when a fault occurs.

[0056] In summary, the principle of this embodiment is as follows: the wireless controller 2 sends control commands to the MCU module 17, the MCU module 17 controls the output power through the low-frequency control circuit 31 to drive the electrode plate 34 to output micro-current and heat, and uses the pulse signal transmission module 13 to send pulse waveform signals to the vibrating plate group 35. The pulse waveform signal is adjusted at low frequency by the pulse signal adjustment circuit 32. Then, the actual working current and voltage of the electrostimulation terminal 3 are sampled by the sampling feedback circuit 18, and the phase difference between the control signal and the actual working current and voltage is calculated by the phase detection circuit 19, thereby realizing feedback adjustment so that the output power of the electrostimulation terminal 3 is always maintained within the set low-frequency working range. During the operation, the fault diagnosis is performed by the general diagnostic circuit 36.

[0057] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.

[0058] Although this paper extensively uses components such as the electrical stimulation box 1, electrical stimulation branch 12, wireless transceiver module 11, pulse signal transmission module 13, circuit board 14, automatic on / off switch 15, power supply 16, MCU module 17, sampling feedback circuit 18, phase detection circuit 19, wireless controller 2, display screen 21, adjustment knob 22, function button 23, electrical stimulation terminal 3, low frequency control circuit 31, pulse signal adjustment circuit 32, electrical stimulation patch 33, wiring cavity 331, connection port 332, and positioning card The terms used include 333, 34, 341, 342, 343, 344, 35, 351, 352, 353, 354, 355, 36, 37, 38, 39, 50, 51, 52, 53, 354, 36, 37, 58, 59, 50, 50, 51, 52, 53, 54, 55, 50, 51, 52, 53, 54, 55, 55, etc., but the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of the invention; interpreting them as any additional limitation would contradict the spirit of the invention.

Claims

1. A wireless electrode device for low-frequency electrical stimulation of neuromuscular nerves, comprising an electrical stimulation box (1), wherein the electrical stimulation box (1) is connected to a wireless controller (2) via a wireless transceiver module (11), characterized in that, The electrical stimulation box (1) is connected to several electrical stimulation terminals (3) via an electrical stimulation branch (12). The electrical stimulation terminals (3) are connected to the electrical stimulation branch (12) via a low-frequency control circuit (31), and the electrical stimulation terminals (3) are connected to a pulse signal transmitting module (13) located inside the electrical stimulation box (1) via a pulse signal adjustment circuit (32). The electrical stimulation terminals (3) include an electrical stimulation patch (33), and an electrode plate (34) is connected to the bottom of the electrical stimulation patch (33). The electrode plate (34) is circumferentially... A ring-shaped vibrating plate group (35) is provided, and the electrode plate (34) and the vibrating plate group (35) are attached to the surface of the human body. The bottom of the electrode plate (34) is provided with a plurality of electrode points (341), and the inner side of the electrode points (341) is filled with electrothermal material (342). The outer side of the electrode points (341) is covered with insulating rubber (343), and the ends of the electrode points (341) pass through the insulating rubber (343) and come into contact with the human skin. The electrode points (341) are connected by a step-down circuit (344). The vibrating pad group (35) is connected to the electrical stimulation patch (33); the vibrating pad group (35) is composed of several layers of vibrating pads (351) stacked together, and two adjacent vibrating pads (351) are connected by a sliding diaphragm (352) arranged longitudinally. The vibrating pad group (35) has a clearance groove (353) on the inner circumferential side for the electrode pad (34) to pass through, and the end faces of the vibrating pads (351) at the bottom and top are both planar. A vibration pressure seat (354) is provided at one end of the vibrating pad group (35) near the electrical stimulation patch (33). The vibration pressure seat (354) is electrically connected to the pulse signal adjustment circuit (32) through the vibration frequency damper (355); the electrical stimulation patch (33) has a wire passage cavity (331) on the inner side of the circumference, the electrical stimulation patch (33) has a wiring port (332) on one side, and a positioning slot (333) on the other side of the electrical stimulation patch (33). The positioning slot (333) is arc-shaped in the circumference, and the electrode sheet (34) and the vibration sheet group (35) are set in the positioning slot (333).

2. The wireless electrode device for low-frequency electrical stimulation of muscles according to claim 1, characterized in that, The electrical stimulation box (1) is equipped with a circuit board (14), which is connected to a power supply (16) via an automatic on / off switch (15). The circuit board (14) is equipped with an MCU module (17), which is connected to a sampling feedback circuit (18) for sampling the current and voltage of the electrical stimulation branch (12).

3. The wireless electrode device for low-frequency electrical stimulation of muscles according to claim 1, characterized in that, The working modes of the electrical stimulation terminal (3) are divided into matrix heating, microcurrent stimulation, ring low-frequency vibration and heating vibration, wherein: The matrix heating effect is achieved by the current through the electrode sheet (34) conducting electricity to the electrothermal material (342); Microcurrent stimulation is applied to electrode point (341) through low frequency control circuit (31), and microcurrent is introduced into human muscle through electrode point (341) and formed through vibrating plate group (35). The ring low-frequency vibration receives pulse signals through the pulse signal adjustment circuit (32) to generate pulse waveforms, causing the vibrating plate group (35) to vibrate, and adjusting the vibration frequency according to the frequency of the pulse waveform; The heating vibration causes the vibrating plate group (35) to vibrate while the electric heating material (342) is heated to conduct electricity.

4. A wireless electrode device for low-frequency electrical stimulation of muscles according to claim 3, characterized in that, The pulse signal conditioning circuit (32) is connected to the MCU module (17) through the phase detection circuit (19). The phase detection circuit (19) receives the sampling signal from the sampling feedback circuit (18) and the control signal from the MCU module (17) and outputs a real-time variable sinusoidal low-frequency signal to the electrical stimulation branch (12) according to the phase difference. A signal isolation transformer (4) is provided on the electrical stimulation branch (12).

5. A wireless electrode device for low-frequency electrical stimulation of muscles according to claim 1, characterized in that, The inner wall of the electric stimulation box (1) is covered with an insulating film (5), and the bottom of the electric stimulation box (1) is provided with a snap fastener (51). The snap fastener (51) is embedded with a magnetic absorbing piece (52). The electric stimulation box (1) is provided with a heat dissipation channel (53) arranged in a strip shape. The insulating film (5) is provided with a clearance gap corresponding to the heat dissipation channel (53). The electric stimulation box (1) is provided with a circuit board assembly frame (54). The circuit board (14) is suspended in the circuit board assembly frame (54). The circuit board assembly frame (54) is provided with a power supply compartment (55).

6. A wireless electrode device for low-frequency electrical stimulation of muscles according to claim 5, characterized in that, The wireless controller (2) is provided with a display screen (21) for displaying the output power, and the wireless controller (2) is provided with an adjustment knob (22) for wirelessly adjusting the output power. Several functional buttons (23) are provided on the lower side of the adjustment knob (22).

7. A wireless electrode device for low-frequency electrical stimulation of muscles according to claim 6, characterized in that, The electrical stimulation terminal (3) is connected to a total diagnostic circuit (36), which is connected to the pulse signal conditioning circuit (32) and the MCU module (17) through diagnostic branches (37).

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