CN219814680U - Electronic acupuncture therapeutic instrument with output open circuit detection function - Google Patents
Electronic acupuncture therapeutic instrument with output open circuit detection function Download PDFInfo
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- CN219814680U CN219814680U CN202320573077.2U CN202320573077U CN219814680U CN 219814680 U CN219814680 U CN 219814680U CN 202320573077 U CN202320573077 U CN 202320573077U CN 219814680 U CN219814680 U CN 219814680U
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- 238000001467 acupuncture Methods 0.000 title claims abstract description 28
- 230000001225 therapeutic effect Effects 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 12
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000638 stimulation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of acupuncture therapeutic apparatuses, in particular to an electronic acupuncture therapeutic apparatus with output open circuit detection, which comprises: the man-machine interface module is used for inputting or adjusting the parameters and displaying the current parameter state; the main control module is used for acquiring input parameters or adjusting settings and sending the parameters or the state information back to the man-machine interface module for display; according to the utility model, the 18 feet FB of the singlechip U1 are connected with the output end of the optical coupler U3, so that when a circuit is opened, the high-low level conversion of the 18 feet FB of the singlechip U1 is realized through the conduction condition of the output end of the optical coupler U3, when the circuit is opened, the control module can timely detect the current state, stop pulse output to ensure the safety of a user, and simultaneously send a prompt and an alarm to the user, so that the circuit can be checked in time.
Description
Technical Field
The utility model relates to the technical field of acupuncture and moxibustion therapeutic apparatuses, in particular to an electronic acupuncture and moxibustion therapeutic apparatus with output open circuit detection.
Background
Today, acupuncture is well known and accepted by more people at home and abroad, although the advantages and characteristics of acupuncture are obvious, the acupuncture has obvious limitations, the acupuncture is a professional skill, the needle application requires a high skill and is generally mastered by only a few professionals, so that the wide popularization is difficult, the utility model of electronic acupuncture just solves the problem, the electronic acupuncture stimulates the acupuncture point in a specific waveform electric pulse mode, and the mechanical stimulation is replaced by the electronic current mode so as to achieve the aim of acupuncture, and the requirement on the skill of the needle application is greatly reduced.
The output interface of the device is usually used for acting on a human body through a connecting wire and a conductive needle, multiple paths are usually needed to be used for acting on the human body at the same time during treatment, the condition that an output loop is opened easily occurs after the wire is aged for a long time, a user possibly misthinks that the output of a machine is stopped, then the strength is manually increased, if the opening is released at the moment, higher-strength current can act on the human body, and therefore the user is subjected to sudden strong stimulation, the user experience is seriously influenced, and the life safety of the user is even threatened.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an electronic acupuncture therapeutic instrument with output open circuit detection.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an electronic acupuncture therapeutic apparatus with output open circuit detection is designed, comprising:
the man-machine interface module is used for inputting or adjusting the parameters and displaying the current parameter state;
the main control module is used for acquiring input parameters or adjusting settings and sending the parameters or the state information back to the man-machine interface module for display;
the pulse driving module is electrically connected with the main control module, and the main control module controls the pulse driving module to convey the therapeutic pulse current to the conductive needle until the therapeutic pulse current acts on the body of a patient;
the power module is electrically connected with the modules to realize power supply to each module;
the open-circuit self-checking module is electrically connected with the pulse driving module and continuously detects an output load state, when an open circuit is output, the open-circuit short-circuit self-checking module sends an error state to the main control module, and the main control module controls the pulse driving module to close output current and sends an error prompt to the display and buzzing part of the man-machine interface module so as to realize audible and visual alarm reminding for a user.
Further, the main control module is a single chip microcomputer U1, wherein a 7-pin GND of the single chip microcomputer U1 is grounded, and a 9-pin VCC of the single chip microcomputer U1 is connected with a 3V3 power supply;
the 16-pin LED of the singlechip U1 is used for connecting parameter state display in the man-machine interface module so as to display a working state and a power supply state;
the 17-pin BEEP of the singlechip U1 is connected with a parameter state buzzer in the man-machine interface module so as to prompt various operation states and alarm states;
the 18 feet FB of the singlechip U1 are connected with an open circuit self-checking module so as to continuously detect the state of an output port, and when the open circuit occurs, the singlechip U1 intervenes in protection and prompts a user;
the single chip microcomputer U1 is characterized in that pins 15, 13, 12, 11, 10 and 8 of the single chip microcomputer U1 are used for being connected with a PULSE driving module circuit and used for generating electric PULSE signals of all channels;
the singlechip U1 is used for connecting the parameter input and adjustment in the man-machine interface module, detecting the input setting of each channel and timely opening, closing or adjusting the corresponding channel, wherein the pins K1-K6, 3, 2 and 20 are used for connecting the parameter input and adjustment in the man-machine interface module;
the 5-pin WF of the singlechip U1 is used for connecting parameter input and adjustment in the man-machine interface module so as to detect the input setting of waveforms.
Further, the pulse driving module comprises a voltage division differential network circuit, a current limiting driving circuit, a transformer T1 and a port J1, wherein the voltage division differential network circuit is electrically connected with an electric pulse and is used for attenuating rectangular waves and changing the rectangular waves into sawtooth waves, the current limiting driving circuit is connected with the voltage division differential network circuit and is connected into the transformer T1, a diode D1 is connected in parallel between two input ends of the transformer T1, one end of the diode D1 is connected into a VCC power supply, a resistor R3 and the port J1 are connected in parallel between two output ends of a secondary winding of the transformer T1, a resistor R6 is connected in series between one output end of the secondary winding of the transformer T1 and the port J1, and the port J1 is connected with a conductive needle through a wire so as to enable the pulse to act on human skin.
Further, the voltage dividing and differentiating network circuit consists of a resistor R11, a resistor R12, a resistor R9, a resistor R10 and a capacitor C1;
one end of the resistor R11 is connected with the electric pulse signal, the other end of the resistor R11 is connected with the resistor R12, a capacitor C1 is connected between the resistor R11 and the resistor R12, one end of the capacitor C1 is connected with the resistor R9 and the resistor R10, and the other ends of the resistor R12 and the resistor R10 are grounded.
Further, the current-limiting driving circuit is composed of an operational amplifier U2A, a resistor R1, a triode Q1 and a resistor R8;
the +end of the operational amplifier U2A is connected with the resistor R9, and the V +and V-ends of the operational amplifier U2A are respectively connected with a VCC power supply and grounded, wherein the VCC power supply is connected with a capacitor C2 in series and then grounded;
the output end of the U2A is connected with the base electrode of the triode Q1 through a resistor R1, the collector electrode of the triode Q1 is connected with a transformer T1, the emitter electrode of the triode Q1 is connected with a resistor R2 and a resistor R8, wherein the resistor R2 is connected with the '-' end of the operational amplifier U2A, and one end of the resistor R8 is grounded.
Further, the open-circuit self-checking module comprises an optocoupler U3, wherein an input end of the optocoupler U3 is connected with a port J1 through a resistor R7, the other end of the optocoupler U is connected with an output end of a secondary winding of the transformer T1, one output end of the optocoupler U3 is grounded, the other output end of the optocoupler U is connected with a resistor R5 and an 18 pin FB of the singlechip U1, and the other end of the resistor R5 is connected with a 3V3 power supply.
Further, a diode D2 and a diode D3 are connected in series between the two input ends of the optocoupler U3, a diode D4 is further connected between the two input ends of the optocoupler U3, and the conducting direction of the diode D4 is opposite to that of the diode D2 and the diode D3.
Further, the optocoupler U3 is EL3H7.
Further, the single-chip microcomputer U1 is MS51FB9A.
The utility model provides an electronic acupuncture therapeutic apparatus with output open circuit detection, which has the beneficial effects that:
according to the utility model, the 18 feet FB of the singlechip U1 are connected with the output end of the optical coupler U3, so that when a circuit is opened, the high-low level conversion of the 18 feet FB of the singlechip U1 is realized through the conduction condition of the output end of the optical coupler U3, when the circuit is opened, the control module can timely detect the current state, stop pulse output to ensure the safety of a user, and simultaneously send a prompt and an alarm to the user, so that the circuit can be checked in time.
Drawings
FIG. 1 is a schematic block diagram of the present utility model;
FIG. 2 is a schematic diagram of a single-chip microcomputer U1 circuit of the utility model;
fig. 3 is a schematic circuit diagram of the pulse driving module and the open-circuit and short-circuit self-checking module according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 3, an electronic acupuncture therapeutic apparatus with output open circuit detection, comprising:
the man-machine interface module is used for inputting or adjusting the parameters and displaying the current parameter state;
the main control module is used for acquiring input parameters or adjusting settings and sending the parameters or the state information back to the man-machine interface module for display;
the pulse driving module is electrically connected with the main control module, and the main control module controls the pulse driving module to convey the therapeutic pulse current to the conductive needle until the therapeutic pulse current acts on the body of a patient;
the power module is electrically connected with the modules to realize power supply to each module;
the open-circuit self-checking module is electrically connected with the pulse driving module and continuously detects an output load state, when an open circuit is output, the open-circuit short-circuit self-checking module sends an error state to the main control module, and the main control module controls the pulse driving module to close output current and sends an error prompt to the display and buzzing part of the man-machine interface module so as to realize audible and visual alarm reminding for a user.
Referring to fig. 2, further, in the embodiment of the present utility model, the main control module is a single-chip microcomputer U1, in the embodiment of the present utility model, the single-chip microcomputer U1 is an MS51FB9A, the 7 pin GND of the single-chip microcomputer U1 is grounded, and the 9 pin VCC thereof is connected to a 3V3 power supply;
the wiring of each pin of the singlechip U1 is as follows:
the 16-pin LED of the singlechip U1 is used for connecting parameter state display in the man-machine interface module so as to display a working state and a power supply state;
the 17-pin BEEP of the singlechip U1 is connected with a parameter state buzzer in the man-machine interface module so as to prompt various operation states and alarm states;
the 18 feet FB of the singlechip U1 are connected with an open circuit self-checking module so as to continuously detect the state of an output port, and when the open circuit occurs, the singlechip U1 intervenes in protection and prompts a user;
the single chip microcomputer U1 comprises a PULSE driving module circuit, a PULSE driving circuit and a PULSE driving circuit, wherein the PULSE driving module circuit is connected with the PULSE driving circuit through pins 15, 13, 12, 11, 10 and 8 of the single chip microcomputer U1 and is used for generating electric PULSE signals of all channels;
the singlechip U1 is used for connecting the parameter input and adjustment in the man-machine interface module, detecting the input setting of each channel and timely opening, closing or adjusting the corresponding channel, wherein the pins K1-K6, 3, 2 and 20 are used for connecting the parameter input and adjustment in the man-machine interface module;
the 5-pin WF of the singlechip U1 is used for connecting parameter input and adjustment in the man-machine interface module so as to detect the input setting of waveforms.
Referring to fig. 3, in the embodiment of the present utility model, the pulse driving module includes a differential voltage network circuit, a current limiting driving circuit, a transformer T1, and a port J1, where the differential voltage network circuit is electrically connected with an electric pulse and is used for attenuating a rectangular wave and changing the rectangular wave into a sawtooth wave, the current limiting driving circuit is connected with the differential voltage network circuit and is connected with the transformer T1, a diode D1 is connected in parallel between two input ends of the transformer T1, one end of the diode D1 is connected with a VCC power supply, a resistor R3 and a port J1 are connected in parallel between two output ends of a secondary winding of the transformer T1, a resistor R6 is connected in series between an output end of the secondary winding of the transformer T1 and the port J1, and the port J1 is connected with a conductive pin through a wire so as to apply the pulse to human skin.
In addition, in the embodiment of the utility model, the voltage dividing and differentiating network circuit is composed of a resistor R11, a resistor R12, a resistor R9, a resistor R10 and a capacitor C1;
one end of the resistor R11 is connected with the electric pulse signal, the other end of the resistor R11 is connected with the resistor R12, a capacitor C1 is connected between the resistor R11 and the resistor R12, one end of the capacitor C1 is connected with the resistor R9 and the resistor R10, and the other ends of the resistor R12 and the resistor R10 are grounded.
Furthermore, the current-limiting driving circuit is composed of an operational amplifier U2A, a resistor R1, a triode Q1 and a resistor R8;
the +end of the operational amplifier U2A is connected with the resistor R9, and the V +and V-ends of the operational amplifier U2A are respectively connected with a VCC power supply and grounded, wherein the VCC power supply is connected with a capacitor C2 in series and then grounded;
the output end of the U2A is connected with the base electrode of the triode Q1 through a resistor R1, the collector electrode of the triode Q1 is connected with a transformer T1, the emitter electrode of the triode Q1 is connected with a resistor R2 and a resistor R8, wherein the resistor R2 is connected with the '-' end of the operational amplifier U2A, and one end of the resistor R8 is grounded.
Specifically, the voltage dividing and differentiating network circuit inputs the converted signal from the +end of U2A into the current limiting driving circuit composed of the operational amplifier U2A, the resistor R1, the triode Q1 and the resistor R8, the current on the resistor R8 is in linear relation with the voltage entering the U2A +end, and the primary winding current of the transformer T1 is approximately equal to the currents of Q1-Ice and R8, so that the linear relation between the primary current of the transformer T1 and the voltage of U2A +is considered to be input to control the accurate output intensity, and the secondary winding of the transformer T1 induces the corresponding voltage due to the primary current of the transformer T1, wherein the resistor R3 is used for limiting the open circuit voltage.
In addition, in the embodiment of the present utility model, the open-circuit self-checking module includes an optocoupler U3, where the optocoupler U3 is EL3H7, where an input end of the optocoupler U3 is connected to the port J1 through a resistor R7, and another end of the optocoupler U is connected to an output end of a secondary winding of the transformer T1, one output end of the optocoupler U3 is grounded, and another output end of the optocoupler U is connected to a resistor R5 and an 18 pin FB of the single-chip microcomputer U1, and another end of the resistor R5 is connected to a 3V3 power supply.
In more detail, a diode D2 and a diode D3 are connected in series between the two input ends of the optocoupler U3, a diode D4 is also connected between the two input ends of the optocoupler U3, and the conducting direction of the diode D4 is opposite to that of the diode D2 and the diode D3.
The utility model also provides a detection method for the electronic acupuncture therapeutic instrument with the output open circuit detection, which comprises the following steps:
when the output voltage of the transformer T1 is output from the port J1 to a connecting wire and a conductive needle through a resistor R6 and acts on human skin, the output voltage enters the input end of an optical coupler U3 through a resistor R7, the FB signal is changed into a low level from 3V3 due to the output conduction of the optical coupler U3 by a resistor R5 through the photoelectric coupling of the optical coupler U3, and the 8-pin FB signal of the singlechip U1 generates the low level to determine that the output port has no open circuit;
if the port J1 is well connected with a human body through a connecting wire and a conductive needle and is in treatment, a burst output wire is opened, the current of a secondary winding of the transformer T1 is released only through R3, no voltage is input into the optocoupler U3, and therefore the output end of the optocoupler U3 cannot sense and trigger conduction, and the FB signal is continuously in a high level; the singlechip U1 finds that the 18 feet FB has no feedback signal, judges that the open circuit of the output end occurs, and then the singlechip U1 stops the pulse output of PLUSE, namely, closes the output, and drives the corresponding buzzer alarm circuit through the 17 feet BEEP to remind a user of the occurrence of faults.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. An electronic acupuncture therapeutic apparatus with output open circuit detection, comprising:
the man-machine interface module is used for inputting or adjusting the parameters and displaying the current parameter state;
the main control module is used for acquiring input parameters or adjusting settings and sending the parameters or the state information back to the man-machine interface module for display;
the pulse driving module is electrically connected with the main control module, and the main control module controls the pulse driving module to convey the therapeutic pulse current to the conductive needle until the therapeutic pulse current acts on the body of a patient;
the power module is electrically connected with the modules to realize power supply to each module;
the open-circuit self-checking module is electrically connected with the pulse driving module and continuously detects an output load state, when an open circuit is output, the open-circuit short-circuit self-checking module sends an error state to the main control module, and the main control module controls the pulse driving module to close output current and sends an error prompt to the display and buzzing part of the man-machine interface module so as to realize audible and visual alarm reminding for a user.
2. An electronic acupuncture therapeutic apparatus with output open circuit detection according to claim 1, characterized in that: the main control module is a singlechip U1, wherein a 7-pin GND of the singlechip U1 is grounded, and a 9-pin VCC of the singlechip U1 is connected with a 3V3 power supply;
the 16-pin LED of the singlechip U1 is used for connecting parameter state display in the man-machine interface module so as to display a working state and a power supply state;
the 17-pin BEEP of the singlechip U1 is connected with a parameter state buzzer in the man-machine interface module so as to prompt various operation states and alarm states;
the 18 feet FB of the singlechip U1 are connected with an open circuit self-checking module so as to continuously detect the state of an output port, and when the open circuit occurs, the singlechip U1 intervenes in protection and prompts a user;
the single chip microcomputer U1 is characterized in that pins 15, 13, 12, 11, 10 and 8 of the single chip microcomputer U1 are used for being connected with a PULSE driving module circuit and used for generating electric PULSE signals of all channels;
the singlechip U1 is used for connecting the parameter input and adjustment in the man-machine interface module, detecting the input setting of each channel and timely opening, closing or adjusting the corresponding channel, wherein the pins K1-K6, 3, 2 and 20 are used for connecting the parameter input and adjustment in the man-machine interface module;
the 5-pin WF of the singlechip U1 is used for connecting parameter input and adjustment in the man-machine interface module so as to detect the input setting of waveforms.
3. An electronic acupuncture therapeutic apparatus with output open circuit detection according to claim 2, characterized in that: the pulse driving module comprises a voltage division differential network circuit, a current limiting driving circuit, a transformer T1 and a port J1, wherein the voltage division differential network circuit is electrically connected with an electric pulse and used for attenuating rectangular waves and changing the rectangular waves into sawtooth waves, the current limiting driving circuit is connected with the voltage division differential network circuit and is connected with the transformer T1, a diode D1 is connected between two input ends of the transformer T1 in parallel, one end of the diode D1 is connected with a VCC power supply, a resistor R3 and the port J1 are connected between two output ends of a secondary winding of the transformer T1 in parallel, a resistor R6 is connected between one output end of the secondary winding of the transformer T1 and the port J1 in series, and the port J1 is connected with a conductive needle through a wire so as to enable the pulse to act on human skin.
4. An electronic acupuncture therapeutic apparatus with output open circuit detection according to claim 3, characterized in that: the voltage dividing and differentiating network circuit consists of a resistor R11, a resistor R12, a resistor R9, a resistor R10 and a capacitor C1;
one end of the resistor R11 is connected with the electric pulse signal, the other end of the resistor R11 is connected with the resistor R12, a capacitor C1 is connected between the resistor R11 and the resistor R12, one end of the capacitor C1 is connected with the resistor R9 and the resistor R10, and the other ends of the resistor R12 and the resistor R10 are grounded.
5. An electronic acupuncture therapeutic apparatus with output open circuit detection according to claim 4, wherein: the current-limiting driving circuit consists of an operational amplifier U2A, a resistor R1, a triode Q1 and a resistor R8;
the +end of the operational amplifier U2A is connected with the resistor R9, and the V +and V-ends of the operational amplifier U2A are respectively connected with a VCC power supply and grounded, wherein the VCC power supply is connected with a capacitor C2 in series and then grounded;
the output end of the U2A is connected with the base electrode of the triode Q1 through a resistor R1, the collector electrode of the triode Q1 is connected with a transformer T1, the emitter electrode of the triode Q1 is connected with a resistor R2 and a resistor R8, wherein the resistor R2 is connected with the '-' end of the operational amplifier U2A, and one end of the resistor R8 is grounded.
6. An electronic acupuncture therapeutic apparatus with open output detection according to claim 5, characterized in that: the open-circuit self-checking module comprises an optocoupler U3, wherein one input end of the optocoupler U3 is connected with a port J1 through a resistor R7, the other end of the optocoupler U is connected with one output end of a secondary winding of the transformer T1, one output end of the optocoupler U3 is grounded, the other output end of the optocoupler U is connected with a resistor R5 and an 18 pin FB of the singlechip U1, and the other end of the resistor R5 is connected with a 3V3 power supply.
7. The electronic acupuncture therapeutic apparatus with output open circuit detection according to claim 6, wherein: a diode D2 and a diode D3 are connected in series between the two input ends of the optocoupler U3, a diode D4 is also connected between the two input ends of the optocoupler U3, and the conducting direction of the diode D4 is opposite to that of the diode D2 and the diode D3.
8. The electronic acupuncture therapeutic apparatus with output open circuit detection according to claim 6, wherein: the optocoupler U3 is EL3H7.
9. An electronic acupuncture therapeutic apparatus with output open circuit detection according to claim 2, characterized in that: the singlechip U1 is MS51FB9A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320573077.2U CN219814680U (en) | 2023-03-22 | 2023-03-22 | Electronic acupuncture therapeutic instrument with output open circuit detection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320573077.2U CN219814680U (en) | 2023-03-22 | 2023-03-22 | Electronic acupuncture therapeutic instrument with output open circuit detection function |
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| Publication Number | Publication Date |
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| CN219814680U true CN219814680U (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320573077.2U Active CN219814680U (en) | 2023-03-22 | 2023-03-22 | Electronic acupuncture therapeutic instrument with output open circuit detection function |
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| Country | Link |
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| CN (1) | CN219814680U (en) |
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- 2023-03-22 CN CN202320573077.2U patent/CN219814680U/en active Active
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