CN212700103U - Neuromuscular electrical stimulation circuit and portable electrical stimulation therapeutic instrument - Google Patents
Neuromuscular electrical stimulation circuit and portable electrical stimulation therapeutic instrument Download PDFInfo
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- CN212700103U CN212700103U CN202021445337.0U CN202021445337U CN212700103U CN 212700103 U CN212700103 U CN 212700103U CN 202021445337 U CN202021445337 U CN 202021445337U CN 212700103 U CN212700103 U CN 212700103U
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Abstract
The utility model relates to a neuromuscular electrical stimulation circuit and portable electrical stimulation therapeutic instrument. The first output end of the singlechip 10 in the circuit is connected with the base electrode of a triode Q1, the collector electrode of a triode Q1 is connected with the positive electrode of a power supply battery BT1 through an inductor L1, the emitter electrode of a triode Q1 is grounded, the collector electrode of a triode Q1 is connected with the emitter electrode of a triode Q2, and the collector electrode of a triode Q2 is connected with the first electrode of an electrode plate 20 through a capacitor C3; the second output end of the single chip microcomputer 10 is connected with the emitter of a triode Q3 through a resistor R4, the base of the triode Q3 is connected with the positive electrode of a power supply battery BT1, and the collector of the triode Q3 is connected with the base of a triode Q2. The neuromuscular electrical stimulation circuit of the utility model has simple structure and uses the battery for power supply, thus greatly reducing the volume of the therapeutic instrument and being convenient for carrying; just the utility model discloses can satisfy different user demands according to user demand regulation pulse amplitude, pulse width and pulse frequency.
Description
Technical Field
The utility model relates to an electrical stimulation therapeutic instrument field, more specifically say, relate to a neuromuscular electrical stimulation circuit and portable electrical stimulation therapeutic instrument.
Background
The neuromuscular stimulation has good effect on treating dyskinesia often caused by patients with central nervous system diseases such as cerebral hemorrhage, apoplexy, hemiplegia, spinal cord injury and the like, can effectively prevent postoperative venous thrombosis and can help patients to carry out rehabilitation training. However, the existing electrical stimulation therapeutic apparatus has a complex structure, large equipment, inconvenience in carrying, incapability of treating patients at any time and any place, alternating current power supply and electric shock hidden danger. When the existing electrical stimulation therapeutic apparatus is used, muscle electrical stimulation is carried out according to a set of fixed electrical stimulation modes set by technicians, the output frequency, signal amplitude parameters and the like of electrical stimulation signals are fixed and unchangeable, however, different user conditions are different in actual conditions, and the requirements of different users are difficult to meet by the set of fixed and unchangeable electrical stimulation modes.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a neuromuscular electrical stimulation circuit and portable electrical stimulation therapeutic instrument.
The utility model provides a technical scheme that its technical problem adopted is: a neuromuscular electrical stimulation circuit is constructed and comprises a single chip microcomputer, a power supply battery BT1, a triode Q1, a triode Q2, a triode Q3, a diode D1, a diode D2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R9, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, an inductor L1, a light emitting diode LED1, a switch K1 and an electrode slice;
the first input end of the singlechip is connected with the first end of the switch K1, and the second end of the switch K1 is connected with the positive electrode of the power supply battery BT 1; the power supply end of the single chip microcomputer is connected with the positive electrode of the power supply battery BT1, and the grounding end of the single chip microcomputer is grounded;
the first output end of the single chip microcomputer is connected with the base electrode of the triode Q1, the base electrode of the triode Q1 is connected with the emitting electrode of the triode Q1 through the resistor R1, the emitting electrode of the triode Q1 is grounded, the collector electrode of the triode Q1 is connected with the positive electrode of the power supply battery BT1 through the inductor L1, and the negative electrode of the power supply battery BT1 is grounded; the collector of the transistor Q1 is connected to the anode of the diode D1, the cathode of the diode D1 is connected to the emitter of the transistor Q1 through the capacitor C2, and the cathode of the diode D1 is connected to the emitter of the transistor Q2 through the resistor R2; the emitter of the transistor Q2 is connected to the base of the transistor Q2 through the resistor R3, the emitter of the transistor Q2 is connected to the cathode of the diode D2, the anode of the diode D2 is connected to the base of the transistor Q2, the collector of the transistor Q2 is connected to the first end of the capacitor C3, the second end of the capacitor C3 is connected to the first electrode of the electrode pad, the first end of the capacitor C3 is grounded through the resistor R5, and the second end of the capacitor C3 is grounded through the capacitor C4;
the second output end of the singlechip is connected with the emitting electrode of the triode Q3 through the resistor R4, the base electrode of the triode Q3 is connected with the positive electrode of the power supply battery BT1, and the collector electrode of the triode Q3 is connected with the base electrode of the triode Q2;
the third output end of the single chip microcomputer is connected with the anode of the light emitting diode LED1 through the resistor R9, and the cathode of the light emitting diode LED1 is grounded;
the second input end of the single chip microcomputer is respectively connected with the first end of the capacitor C5 and the first end of the resistor R7, the second end of the capacitor C5 is grounded, the second end of the resistor R7 is grounded through the resistor R6, and the second end of the resistor R7 is connected with the second pole of the electrode plate.
Further, the neuromuscular electrical stimulation circuit of the present invention further comprises a capacitor C1, wherein the positive electrode of the power supply battery BT1 is grounded through the capacitor C1.
Further, the neuromuscular electrical stimulation circuit of the present invention further includes a capacitor C6 and a resistor R8, the first end of the switch K1 is connected to the ground through the resistor R8, the first end of the switch K1 is connected to the ground through the capacitor C6.
Further, in the neuromuscular electrical stimulation circuit of the present invention, the single chip microcomputer is a PIC12F615 single chip microcomputer.
Further, in the neuromuscular electrical stimulation circuit of the present invention, the diode D2 is a zener diode.
Further, in the neuromuscular electrical stimulation circuit of the present invention, the electrode plate is a conductive silicone electrode plate.
Further, in the neuromuscular electrical stimulation circuit of the present invention, the power supply voltage of the power supply battery BT1 is 3V;
the switch K1 is a key switch.
In addition, the utility model also provides a portable electric stimulation therapeutic instrument, include the neuromuscular electrical stimulation circuit as above-mentioned.
Further, portable electric stimulation therapeutic instrument in, portable electric stimulation therapeutic instrument is the bracelet.
Further, portable electric stimulation therapeutic instrument in, the watchband of bracelet is the silica gel watchband.
Implement the utility model discloses a neuromuscular electrical stimulation circuit and portable electrical stimulation therapeutic instrument has following beneficial effect: the neuromuscular electrical stimulation circuit of the utility model has simple structure and uses the battery for power supply, thus greatly reducing the volume of the therapeutic instrument, being convenient for carrying, and simultaneously being safe and reliable without the danger of electric shock; just the utility model discloses can satisfy different user demands according to user demand regulation pulse amplitude, pulse width and pulse frequency.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a circuit diagram of a neuromuscular electrical stimulation circuit provided in embodiment 1.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, a neuromuscular electrical stimulation circuit of this embodiment includes a single chip microcomputer 10, a power supply battery BT1, a transistor Q1, a transistor Q2, a transistor Q3, a diode D1, a diode D2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R9, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, an inductor L1, a light emitting diode LED1, a switch K1, and an electrode plate 20, where the single chip microcomputer 10 includes a first input terminal, a second input terminal, a first output terminal, a second output terminal, and a third output terminal, which are described below.
A first input end of the singlechip 10 is connected with a first end of a switch K1, and a second end of a switch K1 is connected with the positive electrode of a power supply battery BT 1; the power supply end of the single chip microcomputer 10 is connected with the positive electrode of the power supply battery BT1, and the grounding end of the single chip microcomputer 10 is grounded. The user can use the switch K1 to turn on and off the neuromuscular electrical stimulation circuit, and can also make the neuromuscular electrical stimulation circuit generate electrical stimulation signals with different pulse amplitudes, pulse widths and pulse frequencies by adjusting the on-off times of the switch K1, namely, the switch K1 changes the electrical stimulation signals once every on-off time, and the electrical stimulation signal changes one or more parameters of the pulse amplitudes, the pulse widths and the pulse frequencies. In order to facilitate the user to continue to use the electrical stimulation signal adjusted last time when the user uses the electrical stimulation signal next time, the single chip microcomputer 10 stores the current working parameters when the single chip microcomputer is turned off, and automatically reads the working parameters stored last time when the single chip microcomputer is turned on next time, so that the electrical stimulation signal used last time by the user can be directly output, the user experience is improved as a selection, and the switch K1 is a key switch.
The first output end of the singlechip 10 is connected with the base electrode of a triode Q1, the base electrode of a triode Q1 is connected with the emitting electrode of a triode Q1 through a resistor R1, the emitting electrode of the triode Q1 is grounded, the collecting electrode of a triode Q1 is connected with the positive electrode of a power supply battery BT1 through an inductor L1, and the negative electrode of the power supply battery BT1 is grounded; the collector of the triode Q1 is connected with the anode of the diode D1, the cathode of the diode D1 is connected with the emitter of the triode Q1 through the capacitor C2, and the cathode of the diode D1 is connected with the emitter of the triode Q2 through the resistor R2; the emitter of the triode Q2 is connected with the base of the triode Q2 through a resistor R3, the emitter of the triode Q2 is connected with the cathode of a diode D2, the anode of a diode D2 is connected with the base of a triode Q2, the collector of the triode Q2 is connected with the first end of a capacitor C3, the second end of a capacitor C3 is connected with the first pole of the electrode plate 20, the first end of the capacitor C3 is grounded through a resistor R5, and the second end of the capacitor C3 is grounded through a capacitor C4. The first output end of the single chip microcomputer 10 outputs an adjusting signal, the adjusting signal controls the on-off state of the triode Q1, the boosting adjustment of the output voltage of the inductor L1 is achieved, and the amplitude of the output pulse wave of the cathode of the diode D1 can be adjusted at the same time. The combined circuit of the resistor R5, the resistor R6, the capacitor C3 and the capacitor C4 is used for coupling the output pulse voltage of the diode Q2, filtering the output pulse voltage and outputting the filtered output pulse voltage to the electrode slice 20, and the electrode slice 20 is in contact with the skin of the user and further acts on the body of the user.
The second output end of the single chip microcomputer 10 is connected with the emitter of a triode Q3 through a resistor R4, the base of the triode Q3 is connected with the positive electrode of a power supply battery BT1, and the collector of the triode Q3 is connected with the base of a triode Q2. The second output end of the single chip microcomputer 10 outputs an adjusting signal, and the adjusting signal controls the on-off state of the triode Q3, and further controls the on-off state of the triode Q2, so that the pulse width and the pulse frequency of the pulse signal can be adjusted.
The third output end of the single chip microcomputer 10 is connected with the anode of the light emitting diode LED1 through a resistor R9, and the cathode of the light emitting diode LED1 is grounded. The light emitting diode LED1 is used for displaying working states, such as a power-on state, a power-off state, a switching state of different electrical stimulation signals, and the like; alternatively, a plurality of LED lamps may be provided.
The second input end of the single chip microcomputer 10 is respectively connected with the first end of the capacitor C5 and the first end of the resistor R7, the second end of the capacitor C5 is grounded, the second end of the resistor R7 is grounded through the resistor R6, and the second end of the resistor R7 is connected with the second pole of the electrode plate 20. The second input end of the single chip microcomputer 10 can determine the current working state of the electrode plate 20 and whether an abnormal state, such as an open circuit or a short circuit, occurs through monitoring the second pole of the electrode plate 20 to acquire a signal.
A first input end of the single chip microcomputer 10 is used for receiving a switching signal, and a second input end of the single chip microcomputer 10 is used for receiving a collected signal of the electrode plate 20; the single chip microcomputer 10 controls output signals of the first output terminal and the second output terminal according to the switching signal and the collecting signal to adjust the pulse amplitude, the pulse width and the pulse frequency of the electrical stimulation signal on the electrode plate 20.
In some embodiments, the neuromuscular electrical stimulation circuit of the embodiment further includes a capacitor C1, the positive electrode of the power supply battery BT1 is grounded through the capacitor C1, and the capacitor C1 plays a role in filtering and can filter out noise of the power supply.
In some embodiments, the neuromuscular electrical stimulation circuit of the present embodiment further includes a capacitor C6 and a resistor R8, the first terminal of the switch K1 is grounded through the resistor R8, the first terminal of the switch K1 is grounded through the capacitor C6, and the capacitor C6 and the resistor R8 can be used to prevent the switch K1 from being touched and shaken by mistake, so as to ensure the accuracy of the key pressing.
In some embodiments, in the neuromuscular electrical stimulation circuit of this embodiment, the single-chip microcomputer 10 is a PIC12F615 single-chip microcomputer, and the pin distribution of the PIC12F615 single-chip microcomputer may refer to the prior art, which is not described in detail in this embodiment.
In some embodiments, in the neuromuscular electrical stimulation circuit of the present embodiment, the diode D2 is a zener diode.
In some embodiments, in the neuromuscular electrical stimulation circuit of the present embodiment, the electrode pad 20 is a conductive silicone electrode pad.
In some embodiments, in the neuromuscular electrical stimulation circuit of the present embodiment, the power supply voltage of the power supply battery BT1 is 3V. Alternatively, the power supply battery BT1 is a standard dry cell battery or a rechargeable battery, and if the power supply battery BT1 is a rechargeable battery, the neuromuscular electrical stimulation circuit further comprises a battery charging circuit, which can be referred to in the prior art.
The neuromuscular electrical stimulation circuit of the embodiment has a simple structure, uses a battery for power supply, can greatly reduce the volume of the therapeutic apparatus, is convenient to carry, and is safe, reliable and free from electric shock danger; in addition, the pulse amplitude, the pulse width and the pulse frequency can be adjusted according to the user requirements, so that different user requirements are met.
Example 2
A portable electrical stimulation treatment apparatus of this embodiment includes a neuromuscular electrical stimulation circuit as in the previous embodiments.
Alternatively, in the portable electrical stimulation treatment apparatus of the present embodiment, the portable electrical stimulation treatment apparatus is a bracelet.
Alternatively, in the portable electrical stimulation treatment instrument of this embodiment, the watchband of bracelet is the silica gel watchband.
The neuromuscular electrical stimulation circuit of the portable electrical stimulation therapeutic apparatus has a simple structure, uses a battery for power supply, can greatly reduce the volume of the therapeutic apparatus, is convenient to carry, and is safe, reliable and free from electric shock danger; in addition, the pulse amplitude, the pulse width and the pulse frequency can be adjusted according to the user requirements, so that different user requirements are met.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and implement the present invention accordingly, which can not limit the protection scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.
Claims (10)
1. A neuromuscular electrical stimulation circuit is characterized by comprising a single chip microcomputer (10), a power supply battery BT1, a triode Q1, a triode Q2, a triode Q3, a diode D1, a diode D2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R9, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, an inductor L1, a light emitting diode LED1, a switch K1 and an electrode slice (20);
the first input end of the single chip microcomputer (10) is connected with the first end of the switch K1, and the second end of the switch K1 is connected with the positive electrode of the power supply battery BT 1; the power supply end of the single chip microcomputer (10) is connected with the positive electrode of the power supply battery BT1, and the grounding end of the single chip microcomputer (10) is grounded;
the first output end of the single chip microcomputer (10) is connected with the base electrode of the triode Q1, the base electrode of the triode Q1 is connected with the emitting electrode of the triode Q1 through the resistor R1, the emitting electrode of the triode Q1 is grounded, the collector electrode of the triode Q1 is connected with the positive electrode of the power supply battery BT1 through the inductor L1, and the negative electrode of the power supply battery BT1 is grounded; the collector of the transistor Q1 is connected to the anode of the diode D1, the cathode of the diode D1 is connected to the emitter of the transistor Q1 through the capacitor C2, and the cathode of the diode D1 is connected to the emitter of the transistor Q2 through the resistor R2; the emitter of the transistor Q2 is connected to the base of the transistor Q2 through the resistor R3, the emitter of the transistor Q2 is connected to the cathode of the diode D2, the anode of the diode D2 is connected to the base of the transistor Q2, the collector of the transistor Q2 is connected to the first end of the capacitor C3, the second end of the capacitor C3 is connected to the first electrode of the electrode pad (20), the first end of the capacitor C3 is grounded through the resistor R5, and the second end of the capacitor C3 is grounded through the capacitor C4;
the second output end of the single chip microcomputer (10) is connected with the emitting electrode of the triode Q3 through the resistor R4, the base electrode of the triode Q3 is connected with the positive electrode of the power supply battery BT1, and the collector electrode of the triode Q3 is connected with the base electrode of the triode Q2;
the third output end of the single chip microcomputer (10) is connected with the anode of the light-emitting diode LED1 through the resistor R9, and the cathode of the light-emitting diode LED1 is grounded;
the second input end of the single chip microcomputer (10) is respectively connected with the first end of the capacitor C5 and the first end of the resistor R7, the second end of the capacitor C5 is grounded, the second end of the resistor R7 is grounded through the resistor R6, and the second end of the resistor R7 is connected with the second pole of the electrode plate (20).
2. The neuromuscular electrical stimulation circuit according to claim 1, further comprising a capacitor C1, the positive electrode of the power supply battery BT1 being connected to ground through the capacitor C1.
3. The neuromuscular electrical stimulation circuit according to claim 2, further comprising a capacitor C6 and a resistor R8, wherein the first terminal of the switch K1 is connected to ground through the resistor R8, and wherein the first terminal of the switch K1 is connected to ground through the capacitor C6.
4. Neuromuscular electrical stimulation circuit according to claim 3, characterized in that said single-chip microcomputer (10) is a PIC12F615 single-chip microcomputer.
5. The neuromuscular electrical stimulation circuit according to claim 4, wherein the diode D2 is a zener diode.
6. The neuromuscular electrical stimulation circuit according to claim 1, characterized in that the electrode pad (20) is a conductive silicone electrode pad.
7. The neuromuscular electrical stimulation circuit according to claim 1, characterized in that the supply voltage of the supply battery BT1 is 3V;
the switch K1 is a key switch.
8. A portable electro-stimulation treatment apparatus comprising a neuromuscular electro-stimulation circuit as claimed in any one of claims 1 to 7.
9. The portable electrical stimulation treatment apparatus of claim 8, wherein the portable electrical stimulation treatment apparatus is a bracelet.
10. The portable electrical stimulation treatment instrument of claim 9, wherein the wristband of the wristband is a silicone wristband.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021445337.0U CN212700103U (en) | 2020-07-21 | 2020-07-21 | Neuromuscular electrical stimulation circuit and portable electrical stimulation therapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021445337.0U CN212700103U (en) | 2020-07-21 | 2020-07-21 | Neuromuscular electrical stimulation circuit and portable electrical stimulation therapeutic instrument |
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| Publication Number | Publication Date |
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| CN212700103U true CN212700103U (en) | 2021-03-16 |
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| CN202021445337.0U Active CN212700103U (en) | 2020-07-21 | 2020-07-21 | Neuromuscular electrical stimulation circuit and portable electrical stimulation therapeutic instrument |
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| CN (1) | CN212700103U (en) |
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