CN203400144U - Device for Measuring Skin Impedance to Electric Spectrum - Google Patents

Abstract

The utility model relates to a skin is to electric spectral impedance's measurement device, include: a programmable dispensing output for outputting a high, medium or low frequency energy signal to a portion of a user's body; a programmable distribution input device, forming an electronic loop with the programmable distribution output device and outputting a first feedback signal: the feedback signal amplifier is used for amplifying the first feedback signal and outputting a second feedback signal; a low pass filter for filtering noise of the second feedback signal to generate a third feedback signal; the analog-digital converter is used for converting the third feedback signal from an analog signal into a digital output signal and inputting the digital output signal to the microprocessor so as to process data by using the microprocessor; and the output device is used for displaying an output signal of the processing result of the microprocessor, and the output signal represents the measurement value of the body to the electric spectrum impedance change after the body of the user injects high, medium or low frequency energy into the body.

Description

Device for Measuring Skin Impedance to Electric Spectrum

This application is a divisional application of a Chinese utility model with the application number 201220382558.7, the applicants are Li Xunfu and Li Houjie, and the title of the invention is "a device with energy output of high, medium and low frequency and combined with skin impedance to electric spectrum". the

technical field

The utility model relates to a measuring device for the impedance of the skin to the electric spectrum, which can measure the changes of human skin (meridians, acupuncture points) to various frequencies and waveform impedances and the measuring device through the extraction of the feedback signal. the

Background technique

High, medium and low frequency therapeutic instruments can treat pain in the body. Traditional Chinese and Western medicine have been used for a long time. The main output physical quantities determine the curative effect of the instrument is waveform, frequency, pause time and power. The traditional general high, medium and low frequency therapeutic instruments themselves have The following disadvantages: (a) the traditional general low-frequency therapeutic apparatus can only adjust the power; (b) the traditional frequency generally only provides users with only a few frequencies to choose from, and cannot be set arbitrarily by the program; (c) for the traditional output Waveforms generally only have a few waveforms with fixed waveform shapes that can be set, and the user cannot set the shape of the output waveform arbitrarily through the traditional general high, medium and low frequency therapeutic equipment; (d) the traditional output power is generally continuous waveform output, wave The pause time between waves cannot be programmed arbitrarily; (e) The traditional output waveform has no carrier setting, let alone the carrier frequency and waveform can be programmed. the

Skin current impedance detection is currently recognized as a good method to know the health status of the body through the measurement of the skin's resistance to direct current. However, if the traditional general high, medium and low frequency therapeutic instrument is not combined with the skin impedance feedback detection part, it has the following disadvantages: (1) The traditional general high, medium and low frequency therapeutic instrument has no feedback signal, so the traditional high, medium and low frequency therapeutic instrument cannot be used The latter is used as a reference for the optimal setting value of output frequency, waveform, power, and pause time; (2) The traditional existing products for measuring skin impedance changes only stop at injecting direct current into the human body for measurement, and the injected direct current has feedback on skin impedance changes The signal measurement cannot be used to measure the non-DC frequency, waveform and power applied to the human body; (3) The traditional skin impedance measurement only measures the skin impedance under DC, and there is no non-DC signal that uses high, medium and low frequencies. down to measure skin impedance. the

Utility model content

The utility model provides a measuring device for the impedance of the skin to the electric spectrum, which comprises:

A programmable distribution output device for outputting a high, medium or low frequency energy signal to a part of the user's body via the first contact member;

The programmable dispensing input device is serially connected to the user's body through the second contact member selected by the programmable distributing input device, and another part of the body is connected in series through the second contact member, and the programmable distributing input device The output device forms an electronic circuit and outputs the first feedback signal:

A feedback signal amplifier, connected to the first feedback signal output by the programmable distribution input device, for amplifying the first feedback signal and outputting a second feedback signal;

A low-pass filter, connected to the feedback signal amplifier, for filtering the noise of the second feedback signal to generate a third feedback signal; and

An analog-to-digital converter, connected to the low-pass filter, is used to convert the third feedback signal from an analog signal into a digital output signal and input it to the microprocessor, so as to use the microprocessor to process data; as well as

The output device is used to display the output signal of the processing result of the microprocessor, which represents the measurement of the change of the body's impedance to the electric spectrum after the user's body injects high, medium or low frequency energy into the body value. the

According to the present invention, preferably, the first contact member is a conductive patch, a copper pedal, a copper hand grip, a hand detection probe or a medicine tray. the

According to the utility model, preferably the second contact member is a conductive patch, a copper pedal plate, a copper hand-held rod or a hand-held detection rod. the

Description of drawings

Fig. 1 is a schematic diagram of a measuring device of the utility model with high, medium and low frequency energy output and combined with skin to electric spectrum impedance. the

Fig. 2 is a circuit diagram of a device of the present utility model with high, medium and low frequency energy output and combined with the skin to measure the impedance of the electric spectrum. the

Fig. 3 is a schematic diagram of the energy wave (output frequency, waveform and pause time of the therapeutic electric wave and measurement signal) of the present invention. the

Fig. 4 is a schematic diagram of the carrier wave on the main wave of the present invention. the

Detailed ways

Please refer to Fig. 1, Fig. 1 is a kind of schematic diagram of the present utility model with high, medium and low frequency energy output and combined skin to electric spectrum impedance measurement device, this has high, medium and low frequency energy output and combined with skin to electric spectrum impedance measurement device 100 has ontology101. The body 101 can be electrically connected to the outside with conductive patches A1, A2, A3, A4, copper hand grips B1, B2, copper pedals C1, C2, medicine tray D1, hand-held detection probe E1, or hand-held Detection stick F1. When a user (such as a patient) uses the spectral impedance measurement device, as shown in Figure 2, use the above-mentioned contact interface (such as the first contact member or the second contact member) to touch the parts of the user's body, for example, to measure the acupuncture points of the hand Spectrum, then hold the hand-held detection stick F1 in one hand, and hold the hand-held detection probe E1 in the other hand to contact, then form a circuit loop, then this has high, medium and low frequency energy output and combined with skin on the electric spectrum impedance measuring device 100 The display shows a measure of the impedance of the human skin to the electrical spectrum, which is amplified by feedback as a percentage of full scale with no load. the

Please refer to Fig. 2, Fig. 2 is a kind of circuit diagram of the present utility model with high, medium and low frequency energy output and combined skin to electric spectrum impedance measurement device, this has high, medium and low frequency energy output and combined with skin to electric spectrum impedance measurement device includes Microprocessor 201. The button 2011 is electrically connected to the microprocessor 201, and is used to generate an indication of the high, medium, and low frequency waveform data set for input, and the indicated input waveform can be a sine wave, a square wave, a triangle wave, a trapezoidal wave, or other various shapes Waveform, other various irregular shape waveforms, when the input waveform is an irregular waveform, the relevant waveform shape data of the irregular waveform can be input, and the carrier frequency and waveform of the above waveform can also be input through this input device . The LED digital display 2012 is electrically connected to the microprocessor 201 and is used for displaying the value related to the spectrum energy of the feedback signal. The programmable logic gate 2013 is electrically connected to the microprocessor 201 and serves as a control circuit for all logic combinations of the measuring device circuit. The memory 2014 is electrically connected to the microprocessor 201 for storing data and program data processed by the microprocessor. the

The device with high, medium and low frequency energy output and combined with the skin-to-electric spectrum impedance measurement device includes a programmable frequency waveform and carrier frequency waveform generator 202, which is used to generate the first frequency and waveform shape data 2015 according to the frequency and waveform shape data output by the microprocessor. The waveform signal 2023 includes a digital-to-analog converter 2021 and a first low-pass filter 2022. The digital-to-analog converter 2021 is used to convert the frequency and waveform shape data into an analog signal, and then pass the analog signal through the first low-pass filter. A pass filter 2022 is used to filter the resonance noise and output the first waveform signal 2023 of high, medium and low frequency. The frequency of the high, medium and low cycles is between 0.001 Hz and 100 MHz, which can be programmed arbitrarily. the

The first waveform signal 2023 is input to the programmable power amplifier 203, so that the power of the first waveform signal 2023 can be programmed and arbitrarily amplified within a safe range to generate the second waveform signal 2031, and the programmable power amplifier 203 is electrically connected to The programmable frequency waveform generator 202 . the

The second waveform signal 2031 is input to the programmable distribution output device 204, and the second waveform signal 2031 is selected and programmed to be distributed and input through the programmable logic gate output control signal 2013 to output energy (treatment energy and measurement signal) 2041 (for example) Conductive patch A1, the user presses the conductive patch A1 on the user 3's hand position (such as acupuncture points), then the other hand of the user 3 holds the copper hand grip bar B1, so (loop The signal 31 flows through the body of the user 3) The energy output by the device is injected into the body of the user 3 in series. the

Afterwards, after the loop signal 31 is input to the programmable distribution input device 205, the first feedback signal 2051 is output therefrom. the

Next, the first feedback signal 2051 is input to the feedback signal amplifier 206, and the second feedback signal 2061 is output after the first feedback signal 2051 is amplified, and the second feedback signal 2061 is input to the overcurrent detector 208. When the second When the current of the feedback signal 2061 exceeds the predetermined value or the maximum safe value, an overcurrent detection signal 2081 is sent to control the overcurrent safety switch 2042 through A to cut off the switch in the programmable distribution output device 204 to prevent excessive current from flowing through User 3, to ensure the safety of the user, because the current that humans can tolerate has a safe maximum value; if the current of the second feedback signal 2061 does not exceed a predetermined value, the programmable distribution output device 204 will not be cut off. switch, and the therapy measurement continues. At the same time, the over-current detection signal 2081 is input to the microprocessor 201 to inform the microprocessor 201 of the over-current state of the over-current detection signal 2081 . At the same time, the overcurrent status is displayed on the display 2012 . the

The second feedback signal 2061 passes through the second low-pass filter 207 to filter the noise to generate the third feedback signal 2071, which is then input to the analog-to-digital converter 209 to output a digital output signal 2091, which is then input to the microprocessor 201, from the first The digital signal of the four feedback signals 2091 is calculated by the microprocessor 201, divided by the percentage of the value of the fourth feedback signal without load, and then output to the LED digital display 2012 to display the measured value of the skin's impedance to the electrical spectrum after energy is injected into the body (relative attenuation value). the

Please refer to Fig. 3, Fig. 3 is the schematic diagram of the energy wave (treatment electric wave and measuring signal) 2041 of the present utility model, and the pause time t2 between two adjacent waveforms, and the time occupied by the waveform is t1, wherein, The horizontal axis represents time, and the vertical axis represents amplitude (voltage value). the

Please refer to Fig. 4, Fig. 4 is another schematic diagram of the energy wave (treatment electric wave and measurement signal) 2041 of the present invention having a carrier wave, the carrier frequency and waveform can be set arbitrarily programmable and between two adjacent wave forms with carrier The pause time t4 between, and the time occupied by the waveform is t3, where the horizontal axis is the time, and the vertical axis is the amplitude (voltage value). the

The utility model has the following advantages:

(1) According to the utility model, there are high, medium and low frequency energy output and the part of the measuring device for electric spectrum impedance combined with the skin

The output frequency, output waveform, power and pause time of the device of the utility model, as well as the frequency and waveform of the carrier wave, can be programmed and arbitrarily set within the specified safety value before outputting. The traditional general high, medium and low frequency therapeutic apparatus does not have the function of carrier modulation. the

(2) With regard to the skin-to-electric spectrum impedance feedback detection part of the utility model

The energy output of high, medium and low frequency waves of the utility model combined with the changes of the frequency, waveform, power, pause time, and carrier frequency waveform of the output of the high, medium and low frequency waves of the skin-to-electric spectrum impedance measurement device after it is injected on the human body Through the energy output of high, medium and low frequency of the utility model and the circuit combined with the skin-to-electric spectrum impedance measurement device, the feedback signal is captured, digitized, stored, processed, and output to the display, so that the user can output frequency, waveform, The power and pause time are used as the reference for the optimal output setting value, so that the high, medium and low frequency output and the skin impedance measurement device can achieve the best therapeutic effect,

(3) Safety: the utility model has high, medium and low frequency energy output and combines the safety part of the skin-to-electric spectrum impedance measuring device

It is known from the laws of physics that current I=voltage V/impedance Z. Although the voltage value injected into the human body by high, medium and low frequency waves is very low, so the current flowing through the human body is usually very low, but when the human body resonates with a certain frequency waveform, its skin impedance Z will become So low that it causes a huge current to be injected into the human body and cause injury. Due to the setting of the over-current safety switch 2042 in Fig. 2, the first feedback signal 2051 of filling the human body is amplified and then input to the comparator to compare with the set maximum safe current or the maximum safe current of the human body. If the current value is too large , the output relay is automatically closed to prevent excessive current damage, so the utility model has greater safety. the

Claims (3)

1. A measuring device for skin to electric spectrum impedance, comprising: a programmable distribution output device for outputting a high, medium or low frequency energy signal to a part of the user's body via the first contact member; The programmable dispensing input device is serially connected to the user's body through the second contact member selected by the programmable distributing input device, and another part of the body is connected in series through the second contact member, and the programmable distributing input device The output device forms an electronic circuit to output the first feedback signal: A feedback signal amplifier, connected to the first feedback signal output by the programmable distribution input device, for amplifying the first feedback signal and outputting a second feedback signal; a low-pass filter, connected to the feedback signal amplifier, for filtering noise of the second feedback signal to generate a third feedback signal; and An analog-to-digital converter, connected to the low-pass filter, is used to convert the third feedback signal from an analog signal into a digital output signal and input it to the microprocessor, so as to use the microprocessor to process data; as well as The output device is used to display the output signal of the processing result of the microprocessor, which represents the measurement of the change of the body's impedance to the electric spectrum after the user's body injects high, medium or low frequency energy into the body value. 2. The device for measuring the impedance of the skin to the electrical spectrum according to claim 1, wherein the first contact member is a conductive patch, a copper pedal plate, a copper hand-held rod, a hand-held detection probe, or a drug tray . 3. The device for measuring the impedance of the skin to the electrical spectrum according to claim 1, wherein the second contact member is a conductive patch, a copper pedal plate, a copper hand-held stick or a hand-held detection stick.

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