WO2023103179A1

WO2023103179A1 - Electrical pulse generator and electrical stimulation device using same

Info

Publication number: WO2023103179A1
Application number: PCT/CN2022/076933
Authority: WO
Inventors: 徐传毅
Original assignee: 纳智源科技（唐山）有限责任公司
Priority date: 2021-12-06
Filing date: 2022-02-18
Publication date: 2023-06-15

Abstract

An electrical pulse generator (100) and an electrical stimulation device using same. The electrical pulse generator (100) comprises a support cylinder (1), a rotation driving shaft (2), a power supply (3), a pressing component (4), and an electrical signal generating component (5); the rotation driving shaft (2) is arranged inside the support cylinder (1) and is coaxial with the support cylinder (1); the pressing component (4) is arranged on the rotation driving shaft (2), and the pressing component (4) is provided with a free end which is not connected to the rotation driving shaft (2); the electrical signal generating component (5) is attached and fixed to a partial area of the inner wall of the support cylinder (1); the power supply (3) supplies power to the rotation driving shaft (2), such that when the rotation driving shaft (2) rotates relative to the support cylinder (1), the free end of the pressing component (4) presses the electrical signal generating component (5) and then the electrical signal generating component (5) generates and outputs an electrical pulse signal.

Description

Electrical pulse generator and electrical stimulation device using same

This application is required to be submitted to the China Patent Office on December 06, 2021, the application number is 202111472248.4, and the application name is "Electric Pulse Generator and Electrical Stimulation Device Using It", and it was submitted to the China Patent Office on December 06, 2021, the application number is It is the priority of Chinese patent application 202123027096.5, titled "Electric Pulse Generator and Electrical Stimulation Device Using It", the entire contents of which are incorporated in this application by reference.

technical field

The application belongs to the field of biomedical technology, and in particular relates to an electric pulse generator and an electric stimulation device using the same.

Application background

Electrical stimulation therapy is widely used in the relief and treatment of many diseases, such as the treatment of pseudomyopia, hair loss, and nerve spasm relief. The principle of electrostimulation therapy is to stimulate the pulse current to the area of the human body to be treated through electrodes, so as to restore the body function of the human body and improve the quality of life.

Existing electrical stimulation therapy devices are usually used in large medical institutions such as hospitals, and their electrical pulse generating devices are often too bulky and complicated, which limits the convenience of their use. Moreover, the existing electric pulse generators and electric stimulation therapy instruments are complicated in manufacturing process and high in cost, which greatly restricts their application in the field of smart wearable therapy.

Therefore, in the prior art, there is a lack of an electrical pulse generator with a simple manufacturing process and a compact and compact form, so that the electrical stimulation device using it can meet the needs of the intelligent wearable treatment field.

application content

In view of the above problems, the present application discloses an electric pulse generator and an electric stimulation device using the same, so as to overcome the above problems or at least partly solve the above problems.

In order to achieve the above object, the application adopts the following technical solutions:

In one aspect, the present application discloses an electric pulse generator, including: a support cylinder, a rotating drive shaft, a power source, a pressing part, and an electric signal generating part; wherein, the rotating drive shaft is arranged inside the support cylinder, and The supporting cylinder is coaxial; the extruding part is arranged on the rotating drive shaft, and the extruding part has a free end not connected with the rotating driving shaft; the electric signal generating part is attached and fixed on the A partial area of the inner wall of the supporting cylinder; the power supply supplies power to the rotating drive shaft, so that when the rotating driving shaft rotates relative to the supporting cylinder, the free end of the pressing part presses the electric signal generating part , causing the electrical signal generating component to generate an electrical pulse signal output.

Further, the electric signal generating component includes: a friction generator, and/or a piezoelectric generator, and/or a piezoelectric and triboelectric hybrid generator.

Further, the friction generator includes: a first friction layer and a second friction layer; wherein, the first friction layer and the second friction layer are pressed by the pressing part and contact each other to form a friction interface. The two surfaces, the first friction layer and the second friction layer respectively have output terminals for electric pulse signals.

Further, the number of the electrical signal generating components is multiple, and a plurality of the electrical signal generating components are laminated and fixed on a partial area of the inner wall of the support cylinder; or, a plurality of the electrical signal generating components are bonded at intervals It is fixed on a part of the inner wall of the support cylinder.

Further, the extruding part is inserted through the rotating drive shaft, and the extruding part has two free ends not connected with the rotating driving shaft.

Further, there are multiple extruding parts, and each of the plurality of extruding parts has a fixed end fixed to the rotating drive shaft and a free end not connected to the rotating driving shaft.

Further, the free end of the extruding member not connected with the rotating drive shaft is elastic.

Further, it also includes: a control unit; the control unit is respectively connected with the power supply and the rotating drive shaft, and is used to adjust the parameters of the rotating drive shaft; wherein, the parameters include: working time, rotation direction and spinning speed.

Further, the control unit includes: a wireless transceiver module; the wireless transceiver module is used to receive a remote control signal, so that the control unit adjusts the parameters of the rotating drive shaft according to the remote control signal; wherein, the The remote control signal is generated by the smart terminal and sent to the wireless transceiver module; the wireless transceiver module is also used to send the parameter adjusted by the control unit to the smart terminal.

Another aspect of the present application discloses an electrical stimulation device, including: an electrical pulse generator, and an electrical stimulation unit arranged on the skin area to be stimulated and connected to the electrical pulse generator; wherein, the electrical stimulation unit is used for The electrical pulse signal generated by the electrical pulse generator is applied to the skin area to be stimulated to perform electrical stimulation, and the electrical stimulation unit includes a plurality of electrical stimulation electrodes.

Further, it also includes: a wearable body; the wearable body is worn on the skin area to be stimulated, and the electric pulse generator and the electric stimulation unit are arranged on it; wherein, the wearable body includes : hats, wigs, helmets, headscarves, collars, bandages, shoes.

The advantages and beneficial effects of the application are:

The electric pulse generator provided by this application not only has a simple structure and low cost, but also can flexibly set the waveform form of the electric pulse signal, flexibly adjust the cycle of the electric pulse signal, and generate a variety of electric pulse signals.

The electrical stimulation device provided in this application has a simple manufacturing process, a compact and compact form, and can be applied in the field of intelligent wearable therapy.

The electric pulse signal generated by the electric pulse generator provided in this application has the characteristics of high voltage and low current. The electrical pulse signal of high voltage and low current acts on the skin area to be stimulated, which can activate epidermal hair follicles and promote hair growth. Therefore, the electrical pulse generator provided by the present application is particularly suitable for the field of electrical stimulation of hair growth. In addition, since the electrical pulse generator provided by the application converts the rotational mechanical energy of the rotating drive shaft into electrical pulse signals, the fixing effect of the support cylinder makes it difficult for the outside world to feel the rotation of the rotating drive shaft, so the electrical stimulation device provided by the application is used in When the hair growth area is electrically stimulated, it is difficult for the user who wears it to perceive rotation interference. By hiding the electrical stimulation device provided by the present application in a cap or a hair cover, users suffering from hair loss can perform electrical stimulation hair growth treatment in daily life without any other discomfort.

Brief description of the drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the application. Also throughout the drawings, the same reference numerals are used to designate the same components. In the attached picture:

FIG. 1 is a schematic structural diagram of an electrical pulse generator in Embodiment 1 of the present application;

Fig. 2 is a schematic structural view of Embodiment 1 of the friction generator of the electric pulse generator of the present application;

Fig. 3 is a schematic structural view of Embodiment 2 of the friction generator of the electric pulse generator of the present application;

4 is a schematic structural diagram of the electric pulse generator in Embodiment 2 of the present application;

FIG. 5 is a schematic structural diagram of the electrical pulse generator in Embodiment 3 of the present application;

FIG. 6 is a schematic structural diagram of the electrical pulse generator in Embodiment 4 of the present application;

7 is a schematic structural diagram of the electric pulse generator in Embodiment 5 of the present application;

FIG. 8 is a schematic structural view of the electrical stimulation device of the present application;

FIG. 9 is another structural schematic diagram of the electrical stimulation device of the present application.

Ways to implement this application

In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

The technical solutions provided by various embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

Fig. 1 shows a schematic structural diagram of an electrical pulse generator according to an embodiment of the present application. As shown in Figure 1, the electric pulse generator 100 of this embodiment includes: a support cylinder 1, a rotating drive shaft 2, a power supply 3, an extruding part 4 and an electric signal generating part 5; wherein, the rotating drive shaft 2 is arranged on the support cylinder 1 inside, and coaxial with the support cylinder 1; the extruding part 4 is arranged on the rotating drive shaft 2, and the extruding part 4 has a free end not connected with the rotating drive shaft 2; the electric signal generating part 5 is fitted and fixed on the supporting cylinder 1 Partial area of the inner wall; the power supply 3 supplies power to the rotating drive shaft 2, so that when the rotating drive shaft 2 rotates relative to the support cylinder 1, the electrical signal generating part 5 generates an electrical pulse signal output.

The support cylinder 1 may be but not limited to a cylindrical support cylinder 1, a pyramid-shaped support cylinder 1, and the like. The columnar support tube 1 can be but not limited to a cylindrical support tube 1, a prismatic support tube 1 (including quadrangular prism, hexagonal prism, etc.), etc., which is not specifically limited in this application. However, for the sake of clarity of expression and illustration, the schematic diagrams shown in this application and the enumerated embodiments take a cylindrical support cylinder 1 as an example, but those skilled in the art should know that the shape of the support cylinder 1 in this application is not limited thereto. In addition, the material of the support tube 1 can be, but not limited to, materials with mechanical support properties, including polymer plastics, stainless steel, glass, ceramics, or alloy materials, etc., but if the material of the support tube 1 is a conductive material, the electrical signal The generating component 5 preferably has an insulating protective layer to prevent the electrical signal generating component 5 from being connected to the support cylinder 1 .

The rotating drive shaft 2 is arranged coaxially with the support cylinder 1 inside the support cylinder 1 . During specific implementation, the positions of the support cylinder 1 and the rotating drive shaft 2 are relatively fixed, and the rotating drive shaft 2 rotates axially based on the power supplied by the power supply 3 . In order to achieve this, the support cylinder 1 can, but not limited to, have a bottom wall while having an annular side wall, and the rotating drive shaft 2 is movably connected to the central part of the bottom wall so that the rotating drive shaft 2 can move relative to the support cylinder. 1 spin. The present application does not limit the specific fixing method between the support cylinder 1 and the rotating drive shaft 2 , as long as the rotation of the rotating drive shaft 2 relative to the support cylinder 1 can be achieved.

The power supply 3 is used to supply power to the rotating drive shaft 2 . The power supply 3 can be provided separately from the rotating drive shaft 2 , or integrated inside the rotating drive shaft 2 , but is not limited to. The rotating drive shaft 2 can be in the form of, but not limited to, a rotor motor or the like.

The extruding part 4 is arranged on the rotating drive shaft 2 , and the extruding part 4 has a free end not connected with the rotating driving shaft 2 . The extruding part 4 can be set in the following form, but not limited to: the extruding part 4 is a plectrum, one end of the plectrum is a fixed end inserted and fixed on the rotating drive shaft 2 in the axial direction, and the opposite end is a plectrum. The free end of the piezoelectric signal generating part 5; or the extruding part 4 is a boss, one end of the boss is a fixed end that is fitted and fixed on the rotating drive shaft 2, and the opposite end is an extruding electrical signal generating part 5 free end. No matter what form the extrusion part 4 is set in, it should be ensured that when the extrusion part 4 rotates driven by the rotation of the drive shaft 2 relative to the support cylinder 1, its free end can contact and squeeze the electrical signal generating part 5 . In addition, the material of the extrusion part 4 can be, but not limited to, materials with mechanical support properties, including polymer plastics, stainless steel, glass, ceramics, or alloy materials, etc.; or materials with certain flexible and elastic properties, including elastic polymers polymers, rubber, etc. If the material of the support cylinder 1 is a conductive material, the electrical signal generating part 5 preferably has an insulating protective layer to prevent the electrical signal generating part 5 from being connected to the extrusion part 4 .

The electrical signal generating component 5 is adhered and fixed on a partial area of the inner wall of the support cylinder 1 . Part of the inner wall area means that the electrical signal generating component 5 does not cover the entire annular inner wall surface of the support cylinder 1 , but fits on an arc surface that cuts off the annular inner wall.

When the power supply 3 supplies power to the rotating drive shaft 2, the rotating drive shaft 2 rotates relative to the support cylinder 1, and the rotating drive shaft 2 drives the free end of the extrusion part 4 to squeeze the electric signal generating part 5, so that the electric signal generating part 5 generates Electrical pulse signal output.

As an optional implementation manner, the electrical signal generating unit 5 may include a friction generator, and/or a piezoelectric generator, and/or a piezoelectric and triboelectric hybrid generator in the prior art. The piezoelectric generator can be a piezoelectric generator made of zinc oxide, PZT, PVDF and other piezoelectric materials in the prior art. The friction generator includes a first friction layer 51 and a second friction layer 52; wherein, the first friction layer 51 and the second friction layer 52 are pressed by the extrusion part 4 and contact each other to form two surfaces of the friction interface, the first friction layer The layer 51 and the second friction layer 52 respectively have an output end of an electric pulse signal, and the output end can be realized by, but not limited to, an enameled copper wire.

The structure of the friction generator will be described in detail below with reference to FIGS. 2-3 . In Fig. 2-Fig. 3, in order to express and illustrate clearly, the first friction layer 51 and the second friction layer 52 are drawn as a horizontal structure, but in fact, the first friction layer 51 and the second friction layer 52 are attached according to their The shape of the support cylinder 1 can be but not limited to have a certain curvature.

Fig. 2 shows a schematic structural diagram of Embodiment 1 of the friction generator. As shown in Figure 2, the first friction layer 51 includes: a first electrode 511, the second friction layer 52 includes: a second electrode 522 and a second high molecular polymer insulating layer 521 stacked, the first electrode 511 and the second The high molecular polymer insulation layer 521 is in contact with the two surfaces forming the friction interface, and the first electrode 511 and the second electrode 522 are the output terminals of the electric pulse signal.

Fig. 3 shows a schematic structural diagram of Embodiment 2 of the friction generator. As shown in FIG. 3 , the first friction layer 51 includes: a first electrode 511 and a first polymer insulation layer 512 stacked in layers, and the second friction layer 52 includes: a second electrode 522 stacked in layers and a second polymer insulating layer 512 The polymer insulating layer 521, the first high molecular polymer insulating layer 512 and the second high molecular polymer insulating layer 521 contact and rub the two surfaces forming the friction interface, the first electrode 511 and the second electrode 522 are the output of the electric pulse signal end.

Under the structure of the friction generator shown in Fig. 2-Fig. 3 above, the first high molecular polymer insulating layer 512 and/or the second high molecular polymer insulating layer 521 can be a multi-layer polymeric polymer with an inner intervening electrode. layered structure.

Taking the first high molecular polymer insulating layer 512 as an example for illustration, the first high molecular polymer insulating layer 512 can be but not limited to the following forms: including a stacked third high molecular polymer insulating layer, an intermediate electrode and a fourth high polymer insulating layer. Molecular polymer insulation. The specific form of the second high molecular polymer insulation layer 521 can be deduced in the same way, and will not be repeated here.

In the case where the first high molecular polymer insulating layer 512 and/or the second high molecular polymer insulating layer 521 is a multi-layer high molecular polymer layer structure sandwiching an intervening electrode, the triboelectric generator of the present application will have multiple a structural form. Regardless of the structural form, the friction generator of the present application always ensures that when the rotating drive shaft 2 rotates relative to the support cylinder 1, the two surfaces in contact with the first friction layer 51 and the second friction layer 52 form a friction interface, and the first The first electrode 511 and the second electrode 522 are output ends of electric pulse signals.

In the above-mentioned embodiments shown in FIGS. 2-3 , there are no special regulations on the materials used for the first electrode 511 , the second electrode 522 and the intermediate electrodes. Any material that can form a conductive layer can be used. The preferred material has certain flexibility. The material of the first electrode 511 and the second electrode 522 can be but not limited to indium tin oxide, graphene, silver nanowire film, conductive film, conductive polymer, metal or alloy; wherein, the metal can be but not limited to gold, silver, Platinum, palladium, aluminum, nickel, copper, titanium, chromium, tin, iron, manganese, molybdenum, tungsten or vanadium; alloys can be but not limited to light alloys (aluminum alloys, titanium alloys, magnesium alloys, beryllium alloys, etc.), heavy non-ferrous alloys Alloys (copper alloys, zinc alloys, manganese alloys, nickel alloys, etc.), low melting point alloys (lead alloys, tin alloys, cadmium alloys, bismuth alloys, indium alloys, gallium alloys, etc.), refractory alloys (tungsten alloys, molybdenum alloys, niobium alloy or tantalum alloy, etc.). The materials of the first electrode 511 , the second electrode 522 and the intermediate electrode may be the same or different.

In the embodiment shown in above-mentioned Fig. 2-Fig. 3, the material of each polymer insulation layer can be but not limited to polyimide film, aniline formaldehyde resin film, polyoxymethylene film, ethyl cellulose film, polyamide Film, melamine formaldehyde film, polyethylene glycol succinate film, cellulose film, cellulose acetate film, polyethylene adipate film, polyethylene diallyl phthalate film, fiber ( Recycled) sponge film, polyurethane elastomer film, styrene-propylene copolymer film, styrene-butadiene copolymer film, rayon film, polyacrylate polymer film, polyvinyl alcohol film, polyisobutylene film, polyethylene terephthalate Ethylene glycol formate film, polyvinyl butyral film, formaldehyde phenol polycondensate film, neoprene rubber film, butadiene propylene copolymer film, natural rubber film, polyacrylonitrile film, acrylonitrile vinyl chloride copolymer film and polyvinylpropanediol carbonate film. The materials of the polymer insulating layers can be the same or different. However, when the two surfaces in contact with the first friction layer 51 and the second friction layer 52 (that is, the two surfaces constituting the friction interface) are high molecular polymer insulating layers, the two high molecular polymer insulating layers are preferably for dissimilar materials. For example, under the embodiment structure shown in FIG. 3 , the first polymer insulating layer 512 and the second polymer insulating layer 521 are preferably made of different materials.

As an optional implementation manner, at least one of the two surfaces forming the friction interface of the first friction layer 51 and the second friction layer 52 is provided with a concave-convex structure. The concave-convex structure can be a macroscopic concave-convex structure or a microscopic concave-convex structure, and the microscopic concave-convex structure can be but not limited to be formed by pressing a silicon template with a specific regular convex structure. On at least one of the two surfaces constituting the friction interface, a macro-concave-convex structure can be arranged, which can reduce the viscosity between the two surfaces in contact and enhance the contact separation effect between the two surfaces; in the two surfaces constituting the friction interface A microscopic concave-convex structure is provided on at least one of the surfaces, which can increase the frictional resistance between the two contacting surfaces, induce more charges at the first electrode 511 and the second electrode 522, and increase the voltage.

The principle of the electric pulse generator 100 shown in FIGS. 2-3 is described in detail below:

When the rotary drive shaft 2 starts to rotate relative to the support cylinder 1, the extrusion part 4 rotates accordingly. When the pressing part 4 rotates to contact with the electric signal generating part 5 , the first friction layer 51 and the second friction layer 52 start to contact and rub against due to the pressing of the pressing part 4 to generate static charges. The generation of static charges will change the capacitance between the first friction layer 51 and the second friction layer 52 , thus resulting in a potential difference between the first friction layer 51 and the second friction layer 52 . When the first friction layer 51 and the second friction layer 52 are connected by an external circuit, free electrons will flow from the side with low potential to the side with high potential through the external circuit, thereby forming a current in the external circuit. When the pressing part 4 rotates until the electric signal generating part 5 is separated, the first friction layer 51 and the second friction layer 52, the internal potential formed between the first friction layer 51 and the second friction layer 52 after separation gradually disappears, and the A reverse potential difference will be generated between the balanced first friction layer 51 and the second friction layer 52 again, and free electrons will form a reverse current through the external circuit. That is, the process of rotating the driving shaft 2 to drive the extruding part 4 to touch and leave the electrical signal generating part 5 generates a periodic electric pulse signal, and rotating the driving shaft 2 drives the extruding part 4 to continuously rotate to generate a periodic electric pulse signal.

Hereinafter, four kinds of electric pulse generators 100 will be introduced in detail with reference to FIGS. 4-7 .

In an optional embodiment, there are multiple electrical signal generating components 5 , and the multiple electrical signal generating components 5 are laminated and fixed on a partial area of the inner wall of the support cylinder 1 . FIG. 4 shows a schematic structural diagram of an electrical pulse generator 100 with two electrical signal generating components 5 , but those skilled in the art should know that the arrangement of the electrical pulse generator 100 in this embodiment is not limited thereto.

When multiple electrical signal generating components 5 are stacked and laminated, each electrical signal generating component 5 is preferably insulated, including but not limited to the following forms: each electrical signal generating component 5 is wrapped with an insulating outer layer, or An insulating layer is provided between the adjacent electrical signal generating components 5 , which can be flexibly set by those skilled in the art according to the actual situation, and is not specifically limited here.

In an optional embodiment, there are multiple electrical signal generating components 5 , and the multiple electrical signal generating components 5 are attached and fixed to a partial area of the inner wall of the support cylinder 1 at intervals. FIG. 5 shows a schematic structural diagram of an electrical pulse generator 100 with two electrical signal generating components 5 , but those skilled in the art should know that the arrangement of the electrical pulse generator 100 in this embodiment is not limited thereto.

The intervals between the electrical signal generating parts 5 may be equal or unequal. The structures and materials of the electrical signal generating components 5 may be the same or different. The output ends of the first friction layer 51 of each electrical signal generating component 5 can be connected as a whole, and the output ends of the second friction layer 52 of each electrical signal generating component 5 can be connected as a whole to form a pair of electrical pulse signal output ends; The output ends of the first friction layer 51 of part of the electrical signal generating component 5 can be connected as one, and the output ends of the second friction layer 52 of part of the electrical signal generating component 5 can be connected as a whole to form several pairs of electrical pulse signal output ends; The output terminals of each electrical signal generating component 5 can be respectively formed into multiple pairs of electrical pulse signal output terminals.

In an optional embodiment, there is one extruding member 4 , which is inserted through the rotating drive shaft 2 and has two free ends not connected to the rotating drive shaft 2 . FIG. 6 shows a schematic structural diagram of the electrical pulse generator 100 of this embodiment.

In order to facilitate inserting and fixing the extruding part 4 on the rotating drive shaft 2, a slot for the extruding part 4 to penetrate can be dug on the rotating driving shaft 2, but not limited to, a limit position can be provided in the slot. The buckle is not specifically limited here, as long as it can ensure that the extruding part 4 is inserted through and fixed on the rotating drive shaft 2 .

In an optional embodiment, there are multiple extruding parts 4 , and each extruding part 4 has a fixed end fixed to the rotating drive shaft 2 and a free end not connected to the rotating driving shaft 2 . FIG. 7 shows a schematic structural diagram of an electrical pulse generator 100 with two pressing parts 4 , but those skilled in the art should know that the arrangement of the electrical pulse generator 100 in this embodiment is not limited thereto.

The included angles between the extruding parts 4 may be equal or not, and the shapes and materials of the extruding parts 4 may be the same or different. In order to facilitate the fixing of the extruding part 4 on the rotating drive shaft 2 , but not limited to, further fixing elements may be provided on the rotating drive shaft 2 , including sleeves with slots, etc., which are not specifically limited here.

Of course, those skilled in the art should understand that the structures of the electric pulse generator 100 shown in FIGS. Limited to the following examples:

Example one:

There are multiple extruding parts 4, one extruding part 4 is a plectrum inserted through the rotating drive shaft 2, and the remaining extruding parts 4 are bosses attached to the rotating driving shaft 2, and each extruding part 4 There is a certain angle between them. There is one electrical signal generating component 5 , which is attached to a part of the inner wall of the support cylinder 1 .

Example two:

There are a plurality of extruding parts 4, and the plurality of extruding parts 4 are plectrums inserted and fixed on one side of the rotating drive shaft 2, and there is a certain angle between each extruding parts 4. There are multiple electrical signal generating components 5 , and the multiple electrical signal generating components 5 are stacked and bonded to a partial area of the inner wall of the support cylinder 1 .

Example three:

There are a plurality of extruding parts 4, and the plurality of extruding parts 4 are bosses attached to the rotationally driven back, and there is an included angle between each extruding parts 4. There are multiple electrical signal generating components 5 , and the multiple electrical signal generating components 5 are adhered to a partial area of the inner wall of the support cylinder 1 in an array at intervals.

Example four:

There is one extruding part 4 , and one extruding part 4 is inserted through the rotating drive shaft 2 . There are a plurality of electrical signal generating components 5 , and the plurality of electrical signal generating components 5 are bonded to a partial area of the inner wall of the support cylinder 1 in spaced arrays, and each array has a plurality of electrical signal generating components 5 stacked and bonded.

The examples listed above are only examples, and those skilled in the art should understand that the structure of the electric pulse generator 100 of the present application is not limited thereto.

That is to say, the structure and arrangement of the extruding part 4 and the electric signal generating part 5 in the electric pulse generator 100 of the present application can determine the waveform form of the electric pulse signal generated by the electric pulse generator 100 . By flexibly setting the pressing part 4 and the electric signal generating part 5 of the electric pulse generator 100, various waveform forms of electric pulse signals can be obtained.

As an optional implementation, the free end of the extrusion part 4 not connected to the rotating drive shaft 2 has elasticity.

When the rotating drive shaft 2 drives the extruding part 4 to rotate relative to the support cylinder 1, it will squeeze the electric signal generating part 5. In order to prolong the service life of the electric signal generating part 5, the extruding part 4 is not connected with the rotating driving shaft 2 The free end of the free end can be elastic, and can be but not limited to the following forms: for example, the extruding part 4 is a plectrum, and its free end has a certain degree of flexibility so that it can produce a certain bending when it contacts the electrical signal generating part 5; for example, the extruding part 4 It is a boss, and its free end has a certain degree of elasticity so that it can generate a certain degree of compression when it contacts the electrical signal generating component 5 .

As an optional implementation, the electric pulse generator 100 may also include: a control unit; the control unit is connected to the power supply 3 and the rotating drive shaft 2 respectively, and is used to adjust the parameters of the rotating drive shaft 2; wherein the parameters include: time, direction of rotation, and speed of rotation.

That is to say, the control unit of the electric pulse generator 100 can be used to determine when the electric pulse generator 100 generates the electric pulse signal, what kind of electric pulse signal to generate, and the period of the electric pulse signal. The electric pulse generator 100 can generate various electric pulse signals through the cooperation of the extruding part 4 , the electric signal generating part 5 and the control unit.

The control unit may, but is not limited to, realize electronic circuit control of various functions in the form of an integrated circuit board. In order to simplify the assembly process of the control unit, the power supply and the rotating drive shaft, the control unit may be arranged on the top surface of the rotating drive shaft in the form of a PCB, but not limited to.

As an optional implementation, the control unit includes: a wireless transceiver module; the wireless transceiver module is used to receive a remote control signal, so that the control unit adjusts the parameters of the rotating drive shaft according to the remote control signal; the remote control signal is generated by the smart terminal and Send to the wireless transceiver module; the wireless transceiver module is also used to send the parameters adjusted by the control unit to the intelligent terminal.

Smart terminals can be but not limited to computers, cloud platforms, mobile terminals, wearable smart devices, remote controls, etc. Smart terminals can be but not limited to pre-installed software that can generate and send remote control signals. The user generates and sends a remote control signal to the wireless transceiver module by operating the smart terminal. After the wireless transceiver module receives the remote control signal, the control unit adjusts the parameters of the rotating drive shaft according to the remote control signal, thereby realizing the remote control of the parameters of the rotating drive shaft. The remote control signal can be the same as the parameter of rotating the drive shaft: for example, the remote control signal is "clockwise rotation", and the parameter adjusted by rotating the drive shaft is "clockwise rotation"; the remote control signal can also be the same as the parameter of rotating the drive shaft one by one Correspondence: For example, the remote control signal is "Mode 1", and the parameter adjusted by rotating the drive shaft is "clockwise rotation". Those skilled in the art should understand that the above example description is only illustrative, and the present application is not limited thereto. As long as the smart terminal can generate and send remote control signals, after the wireless transceiver module receives the remote control signals, it can The signal enables the control unit to adjust the parameters of the rotating drive shaft. The above-mentioned functions can be realized through carriers such as WeChat applets and infrared remote controllers in the prior art, and will not be described in detail here.

After the control unit adjusts the parameters, the parameters are fed back to the smart terminal through the wireless transceiver module, so that the user can grasp the usage situation in real time through the smart terminal. The smart terminal may include, but is not limited to, a display screen, a voice broadcast, etc., and those skilled in the art may flexibly choose according to actual needs.

The electric pulse generator 100 provided in this application utilizes the rotation of the rotating drive shaft 2 relative to the support cylinder 1 to drive the pressing part 4 to press the electric signal generating part 5, so that the electric signal generating part 5 generates an electric pulse signal. The electric pulse generator 100 not only has a simple structure and low cost, but also can flexibly set the waveform form of the electric pulse signal, flexibly adjust the period of the electric pulse signal, remotely adjust parameters, and generate a variety of electric pulse signals.

Figure 8 illustrates an electrical stimulation device according to one embodiment of the present application. As shown in Figure 8, the electrical stimulation device includes: an electrical pulse generator 100, and an electrical stimulation unit arranged on the skin area to be stimulated and connected to the electrical pulse generator 100; wherein the electrical stimulation unit is used to generate electrical pulses The electrical pulse signal generated by the device 100 acts on the skin area to be stimulated to perform electrical stimulation; wherein, the electrical stimulation unit includes a plurality of electrical stimulation electrodes.

As an optional implementation, in order to further improve the working effect of the electric pulse generator 100, the electric pulse generator 100 is preferably provided with packaging: including but not limited to avoiding electromagnetic interference in the external environment, the electric pulse generator 100 is preferably A shielding package is provided; in order to prevent external environmental factors (such as temperature, humidity and/or dust, etc.) from affecting the normal operation of the electric pulse generator 100, the electric pulse generator 100 is preferably provided with a protective package. Those skilled in the art can set the encapsulation according to specific usage scenarios, which is not specifically limited here.

The electrical stimulation unit includes a plurality of electrical stimulation electrodes, and those skilled in the art can flexibly set the position and/or size of each electrical stimulation electrode according to the position and/or size of the skin area to be stimulated, which is not specifically limited here, but There should be a potential difference between the electrodes pre-applied with electrical stimulation among the plurality of electrical stimulation electrodes, so as to ensure that the electrical pulse signal can be applied to the skin area to be stimulated through the plurality of electrical stimulation electrodes for electrical stimulation. The plurality of electrodes may include, but is not limited to, strip electrodes, circular electrodes, or interdigital electrodes. The electrical stimulation unit may, but is not limited to, be in direct or indirect contact with the skin area to be stimulated.

As a simplest embodiment, the electrical pulse generator 100 has a pair of output terminals, and the electrical stimulation unit may include two electrical stimulation electrodes, one of the two electrodes is electrically connected to an output terminal of the electrical pulse generator 100, and the two electrodes are electrically connected to one output terminal of the electrical pulse generator 100. The other of the two electrodes is electrically connected to the other output terminal of the electrical pulse generator 100. In an optional embodiment of the present application, the surface of the two electrodes close to the skin area to be stimulated may be provided with, but not limited to, a plurality of electrical stimulation protrusions, and the plurality of electrical stimulation protrusions are arranged in an array . Those skilled in the art should know that the above examples are only illustrative, and the arrangement of multiple electrical stimulation electrodes is not limited thereto.

As an optional embodiment, the electrical stimulation device also includes: a wearable body; the wearable body is worn on the skin area to be stimulated, and an electrical pulse generator 100 and an electrical stimulation unit are arranged on it; wherein, the wearable body includes : hats, wigs, helmets, headscarves, collars, bandages, shoes.

Fig. 9 shows another schematic structural view of the electrical stimulation device provided by the present application. As shown in FIG. 9 , the wearable body is a hair cover, and the electrical pulse generator 100 and the electrical stimulation unit 200 are hidden inside the hair cover. The electrical pulse signal generated by the electrical pulse generator 100 provided in this application has the characteristics of high voltage and low current. The electrical pulse signal of high voltage and low current acts on the skin area to be stimulated, which can activate epidermal hair follicles and promote hair growth. Therefore, the electrical pulse generator 100 provided in the present application is particularly suitable for application in the field of electrical stimulation for hair growth. In addition, since the electric pulse generator 100 provided by the application converts the rotational mechanical energy of the rotating drive shaft 2 into an electric pulse signal, the fixing effect of the support cylinder 1 makes it difficult for the outside world to feel the rotation of the rotating drive shaft 2, so the electric pulse generator 100 provided by the application When the stimulation device is used in the field of electrical stimulation for hair growth, it is difficult for the user wearing it to perceive rotation interference. By hiding the electrical stimulation device provided by the present application in a hat or a hair cover, users suffering from hair loss can perform electrical stimulation hair growth treatment in daily life without other discomfort.

The above description is only a specific implementation manner of the present application, and those skilled in the art can make other improvements or modifications on the basis of the above embodiments under the above teaching of the present application. Those skilled in the art should understand that the above specific description is only to better explain the purpose of the present application, and the protection scope of the present application should be based on the protection scope of the claims.

Claims

An electric pulse generator, which includes: a support cylinder, a rotating drive shaft, a power supply, a pressing part, and an electric signal generating part; wherein,

The rotation drive shaft is arranged inside the support cylinder and is coaxial with the support cylinder;

The extruding part is arranged on the rotating drive shaft, and the extruding part has a free end not connected with the rotating driving shaft;

The electrical signal generating component is attached and fixed to a part of the inner wall of the support cylinder;

The power supply supplies power to the rotating drive shaft, so that when the rotating drive shaft rotates relative to the support cylinder, the free end of the pressing part presses the electric signal generating part to generate the electric signal The component generates an electrical pulse signal output.
The electrical pulse generator according to claim 1, wherein the electrical signal generating component comprises: a friction generator, and/or a piezoelectric generator, and/or a piezoelectric and triboelectric hybrid generator.
The electrical pulse generator according to claim 2, wherein said friction generator comprises: a first friction layer and a second friction layer; wherein said first friction layer and said second friction layer are subjected to said friction The two surfaces of the friction interface formed by the extrusion of the pressing member contact each other, and the first friction layer and the second friction layer respectively have output terminals of electric pulse signals.
The electrical pulse generator according to any one of claims 1-3, wherein the number of the electrical signal generating components is multiple, and a plurality of the electrical signal generating components are laminated and fixed on the inner wall of the support cylinder. partial area;

Alternatively, a plurality of the electrical signal generating components are adhered and fixed to a partial area of the inner wall of the support cylinder at intervals.
The electric pulse generator according to any one of claim 1, wherein the extruding part is inserted through the rotating drive shaft, and the extruding part has two parts not connected with the rotating driving shaft. free end.
The electric pulse generator according to claim 1, wherein the number of said extruding parts is plural, and each of said plurality of said extruding parts has a fixed end fixed to said rotating drive shaft and is not connected to said rotating drive shaft. Free end of drive shaft connection.
The electrical pulse generator according to any one of claims 1, 5-6, wherein the free end of the pressing member not connected to the rotating drive shaft is elastic.
The electrical pulse generator according to claim 1, further comprising: a control unit;

The control unit is connected to the power supply and the rotating drive shaft respectively, and is used to adjust the parameters of the rotating drive shaft;

Wherein, the parameters include: working time, rotation direction and rotation speed.
The electrical pulse generator according to claim 8, wherein the control unit comprises: a wireless transceiver module;

The wireless transceiver module is used to receive a remote control signal, so that the control unit adjusts the parameters of the rotating drive shaft according to the remote control signal;

Wherein, the remote control signal is generated by the smart terminal and sent to the wireless transceiver module;

The wireless transceiver module is further configured to send the parameter adjusted by the control unit to the smart terminal.
An electrical stimulation device, comprising: the electrical pulse generator according to any one of claims 1-9, and an electrical stimulation unit arranged on the skin area to be stimulated and connected to the electrical pulse generator; wherein,

The electric stimulation unit is used to apply the electric pulse signal generated by the electric pulse generator to the skin area to be stimulated to perform electric stimulation, and the electric stimulation unit includes a plurality of electric stimulation electrodes.
An electrical stimulation device according to claim 10, further comprising: a wearable body;

The wearable body is worn on the skin area to be stimulated, on which the electric pulse generator and the electric stimulation unit are arranged;

Wherein, the wearable body includes: a hat, a hair cover, a helmet, a headscarf, a collar, a bandage, and shoes.