CN114355029A - Metering and detecting device of electric acupuncture therapeutic instrument - Google Patents
Metering and detecting device of electric acupuncture therapeutic instrument Download PDFInfo
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Abstract
The invention discloses a metering detection device of an electric needle therapeutic apparatus, belonging to the technical field of the electric therapeutic apparatus, wherein a parameter detection module is independently distributed to each parameter data of an electric therapeutic apparatus body, a human body simulated impedance and output current effective value measurement circuit is arranged to realize the simultaneous measurement of the output pulse voltage amplitude, the output current effective value and the output continuous wave pulse frequency parameter of the electric needle therapeutic apparatus, the parameters are repeatedly collected through a set time interval, a plurality of groups of parameters are compared and referred, and are fed back in real time, an AD conversion module analyzes the data, a data integration unit is used for integrating and storing received data information and formulating a metering standard for the judgment of related personnel, the integrated measurement of the detection technical indexes effectively realizes the diversified metering detection of each parameter value of the therapeutic apparatus and the purpose of uniformly planning and designating the metering standard, the efficiency of calibration and detection is improved, the potential safety hazard is reduced.
Description
Technical Field
The invention belongs to the technical field of electro-therapeutic instruments, and particularly relates to a metering and detecting device of an electro-acupuncture therapeutic instrument.
Background
The electric acupuncture therapeutic apparatus is an apparatus which can output specific pulse current, act on acupoints by acupuncture and give patient treatment or auxiliary treatment, and adopts the acupuncture of human acupoints to make the human body pass through the micro-current close to bioelectricity of human body, and on the basis of acupuncture of acupoints the pulse electricity can be used for stimulating treatment to prevent and cure diseases and promote human body recovery.
For example, chinese patent document "an electric needle therapeutic apparatus calibrating device", patent No.:
(CN201820681365.9), it has filled the blank of the specialized calibration system of electric needle therapeutic apparatus, especially has unified the calibration method and detection technique of the electric needle therapeutic apparatus, has solved the problem that the electric needle therapeutic apparatus magnitude transmits and traces to the source, has improved the accuracy of the electric needle therapeutic apparatus parameter, but in calibrating and detecting the way, still there is certain deficiency, the electric needle therapeutic apparatus mainly carries on the stimulating treatment of the pulse electricity on the basis of acupuncture point to the patient, in long-term use, the characteristic of the apparatus may change, will cause the serious consequence if produce the misdiagnosis, in order to guarantee the high-efficient accuracy of treatment, should detect every parameter of the electric needle therapeutic apparatus regularly, make its relevant parameter can trace to the national measurement benchmark or the public measurement standard of society; in the prior art, the purpose that the metering technical specification of an electric acupuncture therapeutic apparatus is lacked, the metering standard of the therapeutic apparatus is lacked, the metering, detecting and testing systematized metering standard is combined, diversified metering and detecting can not be carried out according to various parameter values of the therapeutic apparatus, and the specified metering standard can not be planned in a unified mode is lacked, and certain potential safety hazards are achieved.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects in the prior art, the invention provides a metering and detecting device for an electric needle therapeutic apparatus, which solves the problems that the metering technical specification of the electric needle therapeutic apparatus is lacked, the systematic metering standard combining the metering, detecting and testing of the therapeutic apparatus is lacked, diversified metering and detecting can not be carried out according to various parameter values of the therapeutic apparatus, the specified metering standard can not be planned in a unified way, and certain potential safety hazards exist.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electro-acupuncture therapeutic instrument metering detection device, includes the electro-therapeutic instrument body, the lower surface of electro-therapeutic instrument body is connected with the last fixed surface of bottom plate, the front of electro-therapeutic instrument body is provided with a plurality of interface, the positive below of electro-therapeutic instrument body is provided with control panel, the upper surface of electro-therapeutic instrument body is provided with measurement check out test set, the front of measurement check out test set is provided with shows accuse terminal, show the equal fixedly connected with handle in the positive left and right sides in accuse terminal, measurement check out test set passes through a plurality of connecting wire electric connection with the electro-therapeutic instrument body, the top and the left side of measurement check out test set are equipped with access panel and radiator-grid respectively.
The metering detection equipment comprises a PLC control unit and a circuit detection unit, the output end of the circuit detection unit is connected with the input end of a data acquisition unit, the output end of the data acquisition unit is connected with the input end of the signal receiving unit, the output end of the signal receiving unit is connected with the output end of the filtering and extracting unit through the PLC control unit, the PLC control unit is connected with the data storage bank in a bidirectional way, the output ends of the filtering extraction unit and the data storage bank are both connected with the output end of the comparison feedback module, the output end of the comparison feedback module is connected with the output end of the data conversion unit, the output end of the data conversion unit is connected with the input end of the data integration unit through a display control terminal, the input end of the PLC control unit is connected with the output end of the circuit opening and closing module, and the input end of the circuit opening and closing module is connected with the output end of the power output unit.
As a further scheme of the invention: the circuit detection unit comprises a pulse frequency detection module, a voltage detection module and a current detection module.
A current detection module: including leakage current monitoring module, direct current component monitoring module and electric current effective value monitoring module, leakage current monitoring module is used for carrying out real-time supervision to the electro-therapeutic apparatus body work leakage condition, direct current component monitoring module is arranged in carrying out the component planning to the electro-therapeutic apparatus body shell electric leakage, circuit electric leakage and the joint electric leakage of monitoring in the leakage current monitoring module, electric current effective value monitoring module is used for carrying out real time monitoring to the data maximum output current effective value that direct current component monitoring module obtained.
The pulse frequency detection module: the device comprises a frequency monitoring module and a time monitoring module, wherein the detection technical index of the frequency detection module consists of treatment time and output continuous wave pulse frequency, and the time monitoring module is used for monitoring the pulse frequency at a preset time interval in real time.
The voltage detection module: the device comprises a voltage amplifying circuit and an analog impedance loading module, wherein an amplifying chip AD620 is adopted in the voltage amplifying circuit, a current detecting module and a pulse frequency detecting module are connected in series to form the analog impedance loading module, and the output continuous wave pulse frequency and the treatment time are processed by the pulse frequency detecting module.
As a further scheme of the invention: the output end of the signal receiving unit is connected with the input end of the feedback output module, the output end of the feedback output module is connected with the input end of the circuit detection unit, and the signal receiving unit comprises a data timing distribution module and a data abnormity eliminating module.
The data timing distribution module is used for directionally distributing preset time to form circuit data obtained by a plurality of groups of time intervals.
The data exception eliminating module is used for actively eliminating the undetected or exception coded data information and transmitting the information to the feedback output module, and the feedback output module is used for sending out an assignment to the circuit detection unit and carrying out data detection again.
As a further scheme of the invention: the data conversion unit comprises an AD conversion module, a data reading module and an amplifying circuit.
The operational amplifier of the AD conversion module circuit in the AD conversion module is used for amplifying signals, dividing the voltage by using resistors, and performing an analog-to-digital conversion circuit to convert analog signals into digital signals.
In the data reading module and the amplifying circuit, when the data reading module reads the digital signal converted by the AD conversion module, the data is proportionally amplified through the amplifying circuit, and the model of an operational amplifier in the amplifying circuit is OP 07.
As a further scheme of the invention: the filtering and extracting unit is used for filtering and extracting the received data information step by step, calculating the period transmitted by each wireless signal, only allowing the signal components with the frequency less than or equal to 1500Hz to normally pass and preventing the other frequency components from passing, and is used for filtering out ripples in the rectified output voltage, so that the ripple coefficient of the output voltage is reduced, the waveform becomes smoother and the comparison and judgment are convenient.
As a further scheme of the invention: the data repository comprises a historical data storage module and a preset data storage module, data information received by the filtering extraction unit is compared with data information in the historical repository, a plurality of groups of data are measured and calculated, the existing data difference is obtained and transmitted to the AD conversion module, the AD conversion module analyzes the data, and the data integration unit is used for integrating and storing the received data information and formulating a measurement standard.
As a further scheme of the invention: the time detected by the circuit detection unit is more than or equal to 4h, the output current of the electro-therapeutic apparatus body is 80mA (r.m.s), and the pulse energy in the pulse frequency detection module is kept within the range of 100J-180J.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
the metering detection device of the electric acupuncture therapeutic apparatus is characterized in that parameter detection modules are independently distributed to various parameter data of an electric acupuncture therapeutic apparatus body, various technical indexes of therapeutic equipment are set, detection results are planned and integrated uniformly, a human body simulated impedance and output current effective value measuring circuit is arranged to realize simultaneous measurement of output pulse voltage amplitude, output current effective value and output continuous wave pulse frequency parameters of the electric acupuncture therapeutic apparatus, the parameters are repeatedly collected at set time intervals, multiple groups of parameters are compared and referred, and fed back in real time, an AD conversion module analyzes data, a data integration unit is used for integrating and storing received data information and formulating a metering standard for relevant personnel to judge, the integration measurement of the detection technical indexes effectively realizes the purposes of diversified metering detection of various parameter values of the therapeutic apparatus and planning and appointing the metering standard uniformly, the efficiency of calibration and detection is improved, the potential safety hazard is reduced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a block diagram of the system architecture of the metering and testing apparatus of the present invention;
in the figure: 1. an electro-therapeutic apparatus body; 2. a base plate; 3. an interface; 4. a control panel; 5. a metering detection device; 6. displaying and controlling a terminal; 7. a handle; 8. a connecting wire; 9. an access panel; 10. a heat-dissipating web; 11. a PLC control unit; 12. a data conversion unit; 13. a filtering and extracting unit; 14. a circuit detection unit; 141. a pulse frequency detection module; 142. a voltage detection module; 143. a current detection module; 15. a data acquisition unit; 16. a signal receiving unit; 161. a data timing distribution module; 162. a data exception eliminating module; 17. a feedback output module; 18. a data repository; 19. a power supply output unit; 20. a circuit opening and closing module; 21 comparing the feedback module; 22. and a data integration unit.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1-2, the present invention provides a technical solution: the utility model provides an electric needle therapeutic instrument metering detection device, including electro-therapeutic instrument body 1, the lower surface of electro-therapeutic instrument body 1 is connected with the last fixed surface of bottom plate 2, the front of electro-therapeutic instrument body 1 is provided with a plurality of interface 3, the positive below of electro-therapeutic instrument body 1 is provided with control panel 4, the upper surface of electro-therapeutic instrument body 1 is provided with measurement check out test set 5, measurement check out test set 5's front is provided with shows accuse terminal 6, show the equal fixedly connected with handle 7 in the positive left and right sides in accuse terminal 6, measurement check out test set 5 passes through 8 electric connection of a plurality of connecting wires with electro-therapeutic instrument body 1, the top and the left side of measurement check out test set 5 are equipped with access panel 9 and radiator-grid 10 respectively.
The metering and detecting device 5 comprises a PLC control unit 11 and a circuit detecting unit 14, the output end of the circuit detecting unit 14 is connected with the input end of a data collecting unit 15, the output end of the data collecting unit 15 is connected with the input end of a signal receiving unit 16, the output end of the signal receiving unit 16 is connected with the output end of a filtering and extracting unit 13 through the PLC control unit 11, the PLC control unit 11 is bidirectionally connected with a data repository 18, the output ends of the filtering and extracting unit 13 and the data repository 18 are both connected with the output end of a comparison feedback module 21, the output end of the comparison feedback module 21 is connected with the output end of the data conversion unit 12, the output end of the data conversion unit 12 is connected with the input end of the data integration unit 22 through the display control terminal 6, the input end of the PLC control unit 11 is connected with the output end of the circuit switching module 20, and the input end of the circuit switching module 20 is connected with the output end of the power output unit 19.
The circuit detecting unit 14 includes a pulse frequency detecting module 141, a voltage detecting module 142, and a current detecting module 143.
The current detection module 143: including leakage current monitoring module, direct current component monitoring module and electric current effective value monitoring module, leakage current monitoring module is used for carrying out real-time supervision to the 1 electric leakage condition of electrotherapy instrument body work, direct current component monitoring module is arranged in carrying out the component planning to the 1 shell electric leakage of electrotherapy instrument body of monitoring in the leakage current monitoring module, circuit electric leakage and joint electric leakage, electric current effective value monitoring module is used for carrying out real time monitoring to the data maximum output current effective value that direct current component monitoring module obtained.
The pulse frequency detection module 141: the device comprises a frequency monitoring module and a time monitoring module, wherein the detection technical index of the frequency monitoring module consists of treatment time and output continuous wave pulse frequency, and the time monitoring module is used for monitoring the pulse frequency in real time at a preset time interval.
The voltage detection module 142: the device comprises a voltage amplifying circuit and an analog impedance loading module, wherein an amplifying chip AD620 is adopted in the voltage amplifying circuit, a current detecting module 143 and a pulse frequency detecting module 141 are connected in series with the analog impedance loading module, and the pulse frequency and the treatment time of the output continuous wave are processed by the pulse frequency detecting module 141.
The output end of the signal receiving unit 16 is connected with the input end of the feedback output module 17, the output end of the feedback output module 17 is connected with the input end of the circuit detection unit 14, and the signal receiving unit 16 includes a data timing distribution module 161 and a data exception eliminating module 162.
The data timing distribution module 161 is configured to perform directional distribution on preset time to form multiple sets of circuit data obtained at time intervals.
The data exception eliminating module 162 is configured to actively eliminate the undetected or exception-occurring coded data information, and transmit the information to the feedback output module 17, where the feedback output module 17 is configured to designate the circuit detecting unit 14 and perform data detection again.
The data conversion unit 12 includes an AD conversion module, a data reading module, and an amplification circuit.
The operational amplifier of the AD conversion module circuit in the AD conversion module is used for amplifying signals, dividing the voltage by using resistors, and performing an analog-to-digital conversion circuit to convert analog signals into digital signals.
The data reading module reads the digital signal converted by the AD conversion module and amplifies the data in proportion through the amplifying circuit, and the model of an operational amplifier in the amplifying circuit is OP 07.
The filtering and extracting unit 13 is configured to perform filtering and signal extraction step by step on the received data information, calculate a period transmitted by each wireless signal, only allow signal components within a frequency range of less than or equal to 1500Hz to normally pass through, and prevent other portions of frequency components from passing through, and the filtering and extracting unit 13 is configured to filter out ripples in the rectified output voltage, so that the ripple coefficient of the output voltage is reduced, the waveform becomes smoother, and comparison and judgment are facilitated.
The data repository 18 includes a historical data storage module and a preset data storage module, the data information received by the filtering extraction unit 13 is compared with the data information in the historical repository, a plurality of groups of data are measured and calculated, and the obtained data difference is transmitted to the AD conversion module, so that the AD conversion module analyzes the data, and the data integration unit 22 is used for integrating and storing the received data information and formulating a measurement standard.
The time detected by the circuit detection unit 14 is more than or equal to 4h, the output current of the electro-therapeutic apparatus body 1 is 80mA (r.m.s), and the pulse energy in the pulse frequency detection module 141 is kept within the range of 100J-180J.
The working principle is as follows:
s1, firstly, initializing the peripheral equipment of the metering detection equipment 5 through the PLC control unit 11;
s2, relevant personnel need to select various parameters to calibrate, and control the electro-therapeutic apparatus body 1 to work, the output current of the electro-therapeutic apparatus body 1 is 80mA (r.m.s), the output signal of the electro-therapeutic apparatus body 1 is collected, the maximum output current A1, the leakage current A2, continuous wave pulse frequency Hz data and output pulse voltage v are obtained through calculation, and the pulse energy in the pulse frequency detection module 141 is 150J;
s3, obtaining the parameters by the measuring and detecting device 5 in the range of ± 50V of the output signal of the electro-therapeutic apparatus body 1:
and (3) measuring leakage current: 0-30mA, the maximum indication error is less than or equal to 2mA, and the requirement of the grade is met;
measuring a direct current component: plus or minus 2 mA;
and (3) measuring the effective current value: 50mA-100mA, and the change rate is less than or equal to 5%;
pulse frequency: the working frequency of the electro-therapeutic apparatus body 1 is less than or equal to 1500Hz, the frequency band for modulating electro-therapeutic equipment is 1-150Hz, the frequency tolerance is +/-10%, the modulation frequency range is less than or equal to 5%, and the difference frequency range is 0-100 Hz;
time monitoring period: the difference frequency change period is 15-30 s, and the working time of the electro-therapeutic apparatus body 1 is not less than 4 h;
simulating impedance: simulating the noninductive resistance of the load, wherein the reference value is 500 omega +/-5%;
working time: the working time of the electro-therapeutic apparatus body 1 is more than or equal to 4 h.
S3, when current monitoring is carried out, when the electro-therapeutic apparatus body 1 is at the maximum output, the short circuit is carried out for 5S through the electrode, then the open circuit is carried out for 15S, the output is closed for 1min, the test is repeated for 10 times, and whether the electro-therapeutic apparatus body 1 works normally or not is judged;
s4, when voltage monitoring is carried out, a voltage value is tested for 1min, arcing and breakdown cannot occur, the analog impedance is connected to the output end of the electro-therapeutic apparatus body 1, a frequency meter and an oscilloscope are connected to the analog impedance, working frequency is measured, current output control is adjusted, output voltage is measured by a millivoltmeter under the output state without waveform modulation, and a pulse wave voltage measurement value is converted into an effective value;
and obtaining an output current value according to the I-u/R (R is load impedance).
S5, controlling and adjusting the current output to half of the maximum output, measuring the output current I when simulating impedance, and measuring the output currents I1 and I2 when the load impedance is 250 omega and 750 omega;
the rate of change of the output current was obtained from Δ I/I ═ I1-I0 (or I2-I0)/I0.
S6, when monitoring the modulation frequency range, accessing the analog impedance to the output end of the equipment, accessing a frequency meter and an oscilloscope on the analog impedance, observing the output waveform, measuring the modulation wave frequency, when monitoring the difference frequency range, accessing the analog impedance to the output end of the equipment, accessing the frequency meter and the oscilloscope on the analog impedance, respectively measuring the output frequency of each path, obtaining the difference of the two paths of frequencies, after accessing the analog impedance, adjusting the electro-therapeutic apparatus body 1 to a working state, observing the modulation amplitude period of each path of output waveform or accessing the dual-line oscilloscope for observation, and measuring the change period of the dynamic interference waveform by using an electronic stopwatch;
and S7, finally judging whether the obtained result meets various parameter standards, and further analyzing the data in the following modes:
the leakage current monitoring module is used for monitoring the working leakage condition of the electro-therapeutic apparatus body 1 in real time, the direct current component monitoring module is used for carrying out component planning on the shell leakage, line leakage and connector leakage of the electro-therapeutic apparatus body 1 monitored in the leakage current monitoring module, the current effective value monitoring module is used for monitoring the maximum data output current effective value obtained by the direct current component monitoring module in real time, the detection technical index of the frequency detection module is composed of treatment time and output continuous wave pulse frequency and is used for monitoring, the time monitoring module is used for monitoring the pulse frequency in real time at a preset time interval, the current detection module 143 and the pulse frequency detection module 141 are connected in series to simulate impedance loading module, the output continuous wave pulse frequency and the treatment time are processed by the pulse frequency detection module 141, and the data timing distribution module 161 is used for directionally distributing the preset time, forming a plurality of groups of circuit data obtained at time intervals, the data exception eliminating module 162 is used for actively eliminating the undetected or occurring exception coded data information, and transmits the information to the feedback output module 17, the feedback output module 17 is used to send out the designation to the circuit detection unit 14, and perform the data detection again, in the data reading module and the amplifying circuit, when the data reading module reads the digital signal converted by the AD conversion module, the data is proportionally amplified through an amplifying circuit, the data information received by the filtering extraction unit 13 is compared with the data information in the history repository for reference, the multiple groups of data are measured and calculated, the obtained data difference is transmitted to the AD conversion module, the AD conversion module analyzes the data, and the data integration unit 22 is used for integrally storing the received data information and formulating a measuring standard.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. The utility model provides an electric needle therapeutic instrument measurement detection device, includes electro-therapeutic instrument body (1), its characterized in that: the lower surface of the electro-therapeutic apparatus body (1) is fixedly connected with the upper surface of the bottom plate (2), a plurality of inserting ports (3) are formed in the front face of the electro-therapeutic apparatus body (1), a control panel (4) is arranged below the front face of the electro-therapeutic apparatus body (1), metering detection equipment (5) is arranged on the upper surface of the electro-therapeutic apparatus body (1), a display and control terminal (6) is arranged on the front face of the metering detection equipment (5), handles (7) are fixedly connected to the left side and the right side of the front face of the display and control terminal (6), the metering detection equipment (5) is electrically connected with the electro-therapeutic apparatus body (1) through a plurality of connecting wires (8), and an overhaul plate (9) and a heat dissipation net (10) are arranged at the top and the left side of the metering detection equipment (5) respectively;
the metering detection device (5) comprises a PLC control unit (11) and a circuit detection unit (14), the output end of the circuit detection unit (14) is connected with the input end of a data acquisition unit (15), the output end of the data acquisition unit (15) is connected with the input end of a signal receiving unit (16), the output end of the signal receiving unit (16) is connected with the output end of a filtering extraction unit (13) through the PLC control unit (11), the PLC control unit (11) is bidirectionally connected with a data repository (18), the output ends of the filtering extraction unit (13) and the data repository (18) are both connected with the output end of a contrast feedback module (21), the output end of the contrast feedback module (21) is connected with the output end of a data conversion unit (12), the output end of the data conversion unit (12) is connected with the input end of a data integration unit (22) through a display control terminal (6), the input end of the PLC control unit (11) is connected with the output end of the circuit switching module (20), and the input end of the circuit switching module (20) is connected with the output end of the power output unit (19).
2. The metering and detecting device of the electric acupuncture therapeutic apparatus according to claim 1, wherein: the circuit detection unit (14) comprises a pulse frequency detection module (141), a voltage detection module (142) and a current detection module (143);
current detection module (143): the leakage current monitoring module is used for monitoring the working leakage condition of the electro-therapeutic apparatus body (1) in real time, the direct current component monitoring module is used for carrying out component planning on the shell leakage, the line leakage and the joint leakage of the electro-therapeutic apparatus body (1) monitored in the leakage current monitoring module, and the current effective value monitoring module is used for monitoring the data maximum output current effective value obtained by the direct current component monitoring module in real time;
pulse frequency detection module (141): the device comprises a frequency monitoring module and a time monitoring module, wherein the detection technical index of the frequency detection module consists of treatment time and output continuous wave pulse frequency, and the time monitoring module is used for monitoring the pulse frequency at a preset time interval in real time.
Voltage detection module (142): the device comprises a voltage amplifying circuit and an analog impedance loading module, wherein an amplifying chip AD620 is adopted in the voltage amplifying circuit, a current detecting module (143) and a pulse frequency detecting module (141) are connected in series with the analog impedance loading module, and the output continuous wave pulse frequency and the treatment time are processed by the pulse frequency detecting module (141).
3. The metering and detecting device of the electric acupuncture therapeutic apparatus according to claim 1, wherein: the output end of the signal receiving unit (16) is connected with the input end of a feedback output module (17), the output end of the feedback output module (17) is connected with the input end of a circuit detection unit (14), and the signal receiving unit (16) comprises a data timing distribution module (161) and a data exception eliminating module (162);
the data timing distribution module (161) is used for directionally distributing preset time to form circuit data obtained by a plurality of groups of time intervals;
the data exception eliminating module (162) is used for actively eliminating undetected or exception coded data information and transmitting the information to the feedback output module (17), and the feedback output module (17) is used for sending out an assignment to the circuit detection unit (14) and carrying out data detection again.
4. The metering and detecting device of the electric acupuncture therapeutic apparatus according to claim 1, wherein: the data conversion unit (12) comprises an AD conversion module, a data reading module and an amplifying circuit;
the operational amplifier of an AD conversion module circuit in the AD conversion module is used for amplifying signals, dividing the voltage by using resistors, and performing an analog-to-digital conversion circuit to convert analog signals into digital signals;
in the data reading module and the amplifying circuit, when the data reading module reads the digital signal converted by the AD conversion module, the data is proportionally amplified through the amplifying circuit, and the model of an operational amplifier in the amplifying circuit is OP 07.
5. The metering and detecting device of the electric acupuncture therapeutic apparatus according to claim 4, wherein: the filtering and extracting unit (13) is used for filtering and extracting signals of received data information step by step, calculating the period transmitted by each wireless signal, only allowing signal components with the frequency less than or equal to 1500Hz to normally pass and preventing other frequency components from passing, and the filtering and extracting unit (13) is used for filtering out ripples in the rectified output voltage, so that the ripple coefficient of the output voltage is reduced, the waveform becomes smoother, and comparison and judgment are facilitated.
6. The metering and detecting device of the electric acupuncture therapeutic apparatus according to claim 5, wherein: the data repository (18) comprises a historical data storage module and a preset data storage module, data information received by the filtering extraction unit (13) is compared with data information in the historical repository for reference, a plurality of groups of data are measured and calculated, the obtained data difference is transmitted to the AD conversion module, the AD conversion module analyzes the data, and the data integration unit (22) is used for integrating and storing the received data information and formulating a measurement standard.
7. The metering and detecting device of the electric acupuncture therapeutic apparatus according to claim 1, wherein: the time detected by the circuit detection unit (14) is more than or equal to 4h, the output current of the electro-therapeutic apparatus body (1) is 80mA (r.m.s), and the pulse energy in the pulse frequency detection module (141) is kept within the range of 100J-180J.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008614.9A CN114355029B (en) | 2022-01-05 | Metering detection device of electric needle therapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008614.9A CN114355029B (en) | 2022-01-05 | Metering detection device of electric needle therapeutic instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114355029A true CN114355029A (en) | 2022-04-15 |
| CN114355029B CN114355029B (en) | 2024-05-10 |
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