CN105232043A - Device and system for detecting electrical characteristics of human body surface - Google Patents
Device and system for detecting electrical characteristics of human body surface Download PDFInfo
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- CN105232043A CN105232043A CN201410321661.4A CN201410321661A CN105232043A CN 105232043 A CN105232043 A CN 105232043A CN 201410321661 A CN201410321661 A CN 201410321661A CN 105232043 A CN105232043 A CN 105232043A
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Abstract
The invention provides a device for detecting electrical characteristics of a human body surface. The device comprises a measuring tape, a plurality of measuring nodes attached to the measuring tape, and at least one data collecting node. The measuring nodes can be used for being in contact with a to-be-tested region of the human body surface, are all used for collecting electrical signals of the to-be-tested region, and the least one data collecting node is in signal connection with the measuring nodes, and is used for collecting electrical signal data, acquired by the measuring nodes, of the to-be-tested region of the human body surface. Since the plurality of measuring nodes are attached onto one measuring belt, skin within a relatively large region can be covered during every measurement, skin electrical characteristics in one or more blocks of regions can be provided, and compared with single-node measurement, multi-node measurement can achieve a unique high efficiency.
Description
Technical field
The application relates to detection and design of circuit system field, particularly relates to a kind of body surface electrical characteristics checkout gear and system.
Background technology
Along with the raising of our people's living standard, the requirement of people to health grows with each passing day.Human health status is passed judgment on by modern medical service mechanism, the experience of many foundation pathological diagnosis and doctor, and process is loaded down with trivial details lengthy and jumbled; People, when oneself passes judgment on self health status, are judged as main mainly with sense organ, anthropic factor impact is large.If by nondestructively, more accurately, easily mode human health level assessed and gives corresponding suggestion, for the state of keeping fit with promote quality of life and be significant.
Medical research shows, body surface signal characteristics change generation and human viscera organ and immune system closely bound up, by observing the body surface signal of telecommunication and monitor, can obtain the information of related body's body surface characteristic and corresponding human internal organs, this is supplied to our a kind of brand-new health evaluation measures.
Be in the Chinese patent of 101365382 at publication number, disclose and a kind ofly utilize impedance to diagnose the armarium of skin disease state, this instrument comprises the conducting probe containing multiple electrode, each electrode comprises multiple microscopic needle and bottom substrate, microscopic needle is spaced in the horizontal arranges with substrate one-body molded, and has and is enough to penetrate cuticular length; Simultaneously its invention design is a kind of for electrode in this instrument, microneedle arrays and for using impedance measurement to diagnose the method for biological aspect, particularly skin carcinoma diagnosis.Be in the Chinese patent of 1308504 at publication number, disclose a kind of device of evaluation of skin impedance variation, to diagnose the health status at human body or at least one position of animal body, its method is divided into two kinds, and a kind of is that difference between the AC impedance of measuring a characteristic frequency and in a specific region of skin calibration electrodes and reference electrode and the impedance of measuring with a measurement electrode and reference electrode is under the same conditions for determining the health status of the internal of correspondence proving skin area; Another is elecrtonegativity and skin resistance between electropositive measurement electrode and reference electrode for measuring relative to reference electrode respectively, what applied is a DC current potential with the certain amplitude of penetration effect, the ratio of two values is used for the internal's health status determining to correspond to examined skin area.These published body surface electrical characteristics checkout equipments, mostly be spot measurement pattern, same measure of time skin ranges is relatively little, the relatively huge inconvenience of equipment.
Summary of the invention
The application provides a kind of body surface electrical characteristics checkout gear and system, detects to realize multiple spot body surface electrical characteristics.
According to the first aspect of the application, the application provides a kind of body surface electrical characteristics checkout gear, comprising:
Measuring tape;
Multiple measured node, is attached in measuring tape, for contacting body surface region to be measured, gathers the signal of telecommunication in region to be measured respectively;
At least one data-collection nodes, is connected with described multiple measured node signal, collects the electrical signal data in the body surface region to be measured that each measured node gathers.
According to the second aspect of the application, the application provides a kind of body surface electrical characteristics detection system, comprising:
Above-mentioned body surface electrical characteristics checkout gear and intelligent terminal.Intelligent terminal selectively signal coupling to the communication module of described electrical characteristics checkout gear; Intelligent terminal is used for carrying out subsequent treatment and analysis to the electrical characteristic data that checkout gear sends.
The beneficial effect of the application is: the body surface electrical characteristics checkout gear/system provided according to the application, owing to attached to multiple measured node in a measuring tape, area skin in a big way can be covered when each measurement, one or more area skin electrical characteristic is provided, than spot measurement, there is unique high efficiency.Further, multiple measured node can share a data-collection nodes, thus can improve the reusability of module, cost-saving.
Accompanying drawing explanation
Fig. 1 is a kind of body surface electrical characteristics detection system structure principle chart disclosed in the embodiment of the present application;
Fig. 2 is checkout gear schematic diagram disclosed in application embodiment;
Fig. 3 is measured node structural representation disclosed in the embodiment of the present application.
Detailed description of the invention
By reference to the accompanying drawings the present invention is described in further detail below by detailed description of the invention.
Please refer to Fig. 1, a kind of body surface electrical characteristics detection system structure principle chart disclosed in the present embodiment.Usually, body surface electrical characteristics detection system comprises: body surface electrical characteristics checkout gear 100 and intelligent terminal 200.Checkout gear 100 is for being seated in body surface region to be measured, detect the electrical characteristics in region to be measured, intelligent terminal 200 carries out subsequent treatment and analysis for the data gathered checkout gear 100, such as with the form display measurement result of picture and text, or generate data analysis report etc., intelligent terminal 200 can be the equipment that computer, notebook, mobile phone, PDA, medical detector etc. can process checkout gear 100 image data.Intelligent terminal 200 can carry out signal based on certain specific agreement with checkout gear 100 and be connected, to transmit data.In the particular embodiment, it can be wired connection that signal connects, also can be wireless connections, in a preferred embodiment, in order to realize low-power consumption, the bluetooth of cutting out can be adopted to carry out signal connection, alleged by the bluetooth of cutting out connect the needs referred to according to detection system, functional module unnecessary in bluetooth module is deleted, the mutual necessary functional module of a retention data, such as, retention data transfer function function etc., certainly, in other embodiments, user can determine according to the needs detected.
In a kind of specific embodiment, checkout gear 100 can passive work, and the detection instruction start detection that checkout gear 100 can send according to intelligent terminal 200 also transmit the body surface electrical characteristic data detected to intelligent terminal 200; In another kind of specific embodiment, checkout gear 100 also can active, and checkout gear 100 also can start detection initiatively transmit to intelligent terminal 200 the body surface electrical characteristic data detected voluntarily.
Checkout gear 100 disclosed in the present embodiment can realize the distribution situation of human body body surface multiple regions electrical characteristics.Please refer to Fig. 2, checkout gear 100 structural representation disclosed in the present embodiment.This checkout gear 100 comprises: measuring tape 9, be attached to multiple measured node 1 in measuring tape 9 and at least one data-collection nodes 2.
Measuring tape 9 can be block, circular or other shape, and in a preferred embodiment, measuring tape 9 should be preferably bar-shape.In a particular embodiment, because the multiple measured node 1 be attached in measuring tape 9 are wanted and contact human skin, therefore, measuring tape 9 preferably adopts elastomeric material, can ensure multiple measured node 1 can well with contact skin, and can control survey band 9 pairs of human body skin applied pressures.
Multiple measured node 1 is attached in measuring tape 9, for contacting body surface region to be measured, gathers the signal of telecommunication in region to be measured respectively.Measuring tape 9 can be arranged many row's measured node 1, in a preferred embodiment, multiple measured node 1 is with the arranged in form of array.
Data-collection nodes 2 is connected with each measured node 1 signal, collects the electrical signal data in the body surface region to be measured that each measured node 1 gathers.The electrical signal data that each measured node 1 is gathered only sends to a data-collection nodes 2; Each data-collection nodes 2 can collect the electrical signal data that multiple measured node 1 gathers.In a preferred embodiment, because measuring tape 9 is elastomeric material, can elongate or shorten, therefore, not damaged in order to ensure the data wire between measured node 1 and data-collection nodes 2, the measured node 1 that should preferably adopt telescopic conductive lines to need signal to connect and data-collection nodes 2.
In a kind of specific embodiment, please refer to Fig. 3, each measured node 1 comprises: driving source module 11, measurement electrode module 12 and signal analyse block 13.Wherein,
Driving source module 11, for contacting body surface region to be measured, produces the signal of telecommunication in excitation body surface region to be measured.In a kind of specific embodiment, driving source module 2 can adopt existing pumping signal mode, such as square-wave signal, sinusoidal signal etc.Encourage the signal of telecommunication in region to be measured to be preferably current signal, can pass through pair of exciting (111 and 112) and be applied to human body skin area to be measured, exciting electrode (111 and 112) preferably adopts flexible dry electrode.A kind of energisation mode is: direct digital synthesis technique circuit (DDS) 113 exports sine voltage signal by certain pattern, then export constant stimulus current by voltage-controlled current source (VCCS) 114, load on human body skin by exciting electrode (111 and 112), certainly, consider that voltage signal that direct digital synthesis technique circuit (DDS) 113 exports is fainter or have noise, therefore, the voltage signal that direct digital synthesis technique circuit (DDS) 113 exports is before input voltage-controlled current source (VCCS) 114, can also carry out amplifying and filtering through filtering and amplifying circuit 115.
Measurement electrode module 12, for contacting body surface region to be measured, gathers the signal of telecommunication in body surface region to be measured, preferred acquisition voltage signal.In a kind of specific embodiment, the sample electrodes (121 and 122) of measurement electrode module 12 contacts human body skin area to be measured, the voltage signal that sampling obtains, and export to signal analyse block 13, in a preferred embodiment, the voltage signal that measurement electrode module 12 can also obtain sampling exports to signal analyse block 13 again after amplifying de-noising.It should be noted that, often pair of sample electrodes (121 and 122) should be positioned between pair of exciting (111 and 112); Sample electrodes (121 and 122) also should preferably adopt flexible dry electrode.
Signal analyse block 13 is coupled to measurement electrode module 12, analyzes the electrical characteristics in body surface region to be measured according to the signal of telecommunication that measurement electrode module 12 gathers and exports electrical characteristic data.In a preferred embodiment, the signal of input signal analysis module 13 is digital signal, therefore, analog digital conversion can also be carried out to the sampled signal that measurement electrode module 12 exports by preferred coupled analog-digital converter (in Fig. 3 ADC2) between measurement electrode module 12 and signal analyse block 13.Electrical characteristics can be analyzed as required, and electrical characteristics can comprise amplitude and/or phase place.Amplitude is comprised and phase place is described for electrical characteristics.Signal analyse block 13 comprises phase-angle detection unit 131 and amplitude detection unit 132, and phase-angle detection unit 131 comprises two signal input parts.The voltage signal that measurement electrode module 12 exports is divided into two-way, and a road is coupled to a signal input part of phase-angle detection unit 131, and another road is coupled to amplitude detection unit 132.Wherein, amplitude detection unit 132 can adopt existing circuit arrangement to realize, such as, after obtaining a road sampled signal, amplitude detection unit 42 is by comparing sampled value one by one, find out maximum sampled value, then to obtain maximum sampled value divided by the multiple (gain factor) of enlarge leadingly, be the amplitude of the voltage signal that body surface region to be measured collects.; Another signal input part of phase-angle detection unit 131 is coupled to driving source module 11, be specially the signal output part of direct digital synthesis technique circuit (DDS) 113, for inputting the voltage signal of direct digital synthesis technique circuit (DDS) 113.It should be noted that, if the voltage signal of driving source module 11 carries out amplifying and filtering through filtering and amplifying circuit 115, then should input amplification and filtered voltage signal.In a preferred embodiment, phase-angle detection unit 131 adopts digital phase detection mode, therefore, also should pass through analog-digital converter (as ADC1 in Fig. 3) and carry out analog digital conversion before the voltage signal input phase-angle detection unit 131 of driving source module 11.In a kind of specific embodiment, phase-angle detection unit 131 can be realized based on cordic algorithm (CoordinateRotationDigitalComputer) by digital phase discriminator.
In a kind of specific embodiment, data-collection nodes 2 can comprise data receipt unit and data storage cell, and data receipt unit is coupled to corresponding measured node 1 outfan, for receiving the body surface electrical characteristic data that corresponding measured node 1 exports; Data storage cell is coupled to data receipt unit, for storing the data that data receipt unit receives.
In a preferred embodiment, this checkout gear can further include: the control module 3 be coupled with each measured node 1 respectively, control module 3 is for sending acquisition state control word to each measured node 1, each measured node 1 receives acquisition state control word, and switches collection according to acquisition state control word and stop acquisition state.Preferably, control module 3 is also for sending measurement mode control word to each measured node 1, each measured node 1 switches at least one measurement pattern according to measurement mode control word, and measurement pattern comprises: unifrequency multimetering pattern, frequency sweep multimetering pattern and angularly spacing frequency multimetering pattern.Wherein, unifrequency multimetering pattern is in measuring process, and the exciting signal frequency being applied to skin area to be measured keeps single-frequency constant, obtains the skin pricktest characteristic information under single-frequency excitation; Frequency sweep multimetering pattern is in measuring process, is applied to exciting signal frequency constant duration, equifrequent increments in scheduled frequency range of skin area to be measured, obtains the skin pricktest characteristic information within the scope of certain driving frequency; Angularly spacing frequency multimetering pattern is that equiangularly the Frequency point chosen of interval is as driving frequency point in Skin Resistance-driving frequency polar coordinate relation, and this mode of choosing can show the situation of change of skin pricktest characteristic under different driving frequency better.In a kind of specific embodiment, control module 3 sends corresponding control word according to the control word format preset to each measured node 1.
In a preferred embodiment, this checkout gear can further include: be coupled to the communication module 5 between data-collection nodes 2 and control module 3.Communication module 5 sends the electrical characteristic data in the body surface region to be measured that data-collection nodes 2 is collected to default terminal according to the transmission data command of control module 3.It should be noted that, communication module 5 can real-time transmission data, and the several times electrical characteristic data also data-collection nodes 2 can collected is packed disposable transmission.In a preferred embodiment, communication module 5 adopts wireless communication mode to realize, and in order to realize low-power consumption, communication module 5 can adopt the bluetooth module cut out.Alleged by the bluetooth module cut out refer to and retain demand according to the data interaction of body surface electrical characteristics checkout gear necessary funtion part, such as support the tcp data segment in Bluetooth transmission protocol, in accordance with bluetooth 4.1 specification, and the part of some redundancies removed.
In a preferred embodiment, this checkout gear can further include: data coding module 6, data coding module 6 is coupled between communication module 5 and data-collection nodes 2, electrical characteristic data for the body surface region to be measured exported data-collection nodes 2 carries out coding packing, is then transmitted by communication module 5 under the control of control module 3.
Body surface electrical characteristics checkout gear/system disclosed in the present embodiment, owing to attached to multiple measured node in a measuring tape, area skin in a big way can be covered when each measurement, one or more area skin electrical characteristic is provided, than spot measurement, there is unique high efficiency.When practical application, it is little, lightweight SMD that measuring tape can be designed to volume, is directly labelled to skin area to be measured, is easy to use, simple to operate, overcomes some shortcomings that checkout equipment volume is large, portability is poor in prior art.
Further, because multiple measured node can share a data-collection nodes, distribute a data-collection nodes relative to each measured node, the reusability of module can be improved, cost-saving.Measured node adopts multiple measurement pattern and broadband character, reacts body surface electrical characteristic to the full extent.In addition, communication module adopts low power dissipation design, reduces the power consumption of measuring system.In addition, measuring tape can also be designed to ring-type, can measure the region of skin larger area simultaneously, obtain more abundant data message, precision and the accuracy of analysis can be improved.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made.
Claims (10)
1. a body surface electrical characteristics checkout gear, is characterized in that, comprising:
Measuring tape (9);
Multiple measured node (1), being attached in measuring tape (9), for contacting body surface region to be measured, gathering the signal of telecommunication in region to be measured respectively;
At least one data-collection nodes (2), is connected with described multiple measured node (1) signal, collects the electrical signal data in the body surface region to be measured that each measured node (1) gathers.
2. electrical characteristics checkout gear as claimed in claim 1, it is characterized in that, described measured node (1) comprising:
Driving source module (11), for contacting body surface region to be measured, produces the signal of telecommunication in excitation body surface region to be measured;
Measurement electrode module (12), for contacting body surface region to be measured, gathers the signal of telecommunication in body surface region to be measured;
Signal analyse block (13), is coupled to measurement electrode module (12), analyzes the electrical characteristics in body surface region to be measured according to the signal of telecommunication that measurement electrode module (12) gathers and exports electrical characteristic data.
3. electrical characteristics checkout gear as claimed in claim 1 or 2, is characterized in that, described multiple measured node (10) with the arranged in form of array in measuring tape (9).
4. electrical characteristics checkout gear as claimed in claim 3, is characterized in that, also comprise the control module (3) be coupled with multiple measured node (1);
Described control module (3) is for sending acquisition state control word to each measured node (1);
Each measured node (1) receives acquisition state control word, switches gather and stop acquisition state according to acquisition state control word.
5. electrical characteristics checkout gear as claimed in claim 4, it is characterized in that, described control module (3) is also for sending measurement mode control word; Each measured node (1) switches at least one measurement pattern according to measurement mode control word, and described measurement pattern comprises: unifrequency multimetering pattern, frequency sweep multimetering pattern and angularly spacing frequency multimetering pattern.
6. electrical characteristics checkout gear as claimed in claim 4, it is characterized in that, also comprise: communication module (5), described communication module (5) is coupled between data-collection nodes (2) and described control module (3); Described communication module (5) sends the electrical characteristic data in the body surface region to be measured that data-collection nodes (2) is collected to default terminal according to the transmission data command of control module (3).
7. electrical characteristics checkout gear as claimed in claim 6, is characterized in that, described communication module (5) adopts the mode of bluetooth to send data.
8. electrical characteristics checkout gear as claimed in claim 6, is characterized in that, also comprise data coding module (6);
Described data coding module (6) is coupling between described communication module (5) and described data-collection nodes (2);
Described data coding module (6) is encoded to the data that data-collection nodes (2) exports;
Described communication module (5) sends the electrical characteristic data after coding.
9. the electrical characteristics checkout gear as described in claim 1-8 any one, is characterized in that, described measuring tape (9) is strip-like resilient material.
10. a body surface electrical characteristics detection system, is characterized in that, comprising:
Electrical characteristics checkout gear (100) as described in claim 1-9 any one;
Intelligent terminal (200), selectively signal coupling is to the communication module (5) of described electrical characteristics checkout gear; Described intelligent terminal (200) carries out subsequent treatment and analysis for the electrical characteristic data sent checkout gear (100).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410321661.4A CN105232043A (en) | 2014-07-07 | 2014-07-07 | Device and system for detecting electrical characteristics of human body surface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410321661.4A CN105232043A (en) | 2014-07-07 | 2014-07-07 | Device and system for detecting electrical characteristics of human body surface |
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| CN105232043A true CN105232043A (en) | 2016-01-13 |
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| CN201410321661.4A Pending CN105232043A (en) | 2014-07-07 | 2014-07-07 | Device and system for detecting electrical characteristics of human body surface |
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| CN109793516A (en) * | 2019-01-21 | 2019-05-24 | 浙江大学 | A kind of skin pricktest impedance flexible detection device and skin pricktest impedance detection method |
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Application publication date: 20160113 |