CN209315882U - A kind of blood glucose monitoring system - Google Patents
A kind of blood glucose monitoring system Download PDFInfo
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- CN209315882U CN209315882U CN201821982572.4U CN201821982572U CN209315882U CN 209315882 U CN209315882 U CN 209315882U CN 201821982572 U CN201821982572 U CN 201821982572U CN 209315882 U CN209315882 U CN 209315882U
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- glucose monitoring
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Abstract
The utility model is suitable for non-invasive physiological parameter measuring device technical field, disclose a kind of blood glucose monitoring system, including tester ontology, circuit board is provided in the tester ontology, the tester ontology is provided with multiband reflection infrared sensor, thermopile IR radiation sensor, bio-impedance sensor and ECG sensor, and the multiband reflection infrared sensor, thermopile IR radiation sensor, bio-impedance sensor and ECG sensor are connected to the circuit board.A kind of blood glucose monitoring system provided by the utility model, it can independently measure relevant parameter by multiband reflection infrared sensor, thermopile IR radiation sensor, bio-impedance sensor and ECG sensor, and calculate blood glucose value, each result can corroborate each other, and measurement accuracy is high.The result of the independent measurement of each method can obtain final result according to the weight accordingly set.
Description
Technical field
The utility model belongs to non-invasive physiological parameter measuring device technical field more particularly to a kind of blood glucose monitoring system.
Background technique
Diabetic traditionally needs to measure the blood taken from finger tip using a kind of conventional detecting instrument, thus
Monitor their daily blood glucose levels, this monitoring for allowing the feeling of pain of people's discomfort and infection risk to be unfavorable for blood glucose, thus it is noninvasive
Formula blood glucose monitoring system is favored compared with by user.Non-invasive blood glucose monitoring system in the prior art, generally uses one or both survey
Amount mode has that measurement accuracy is not good enough.
Utility model content
The utility model aims to solve at least one of above-mentioned technical problem, provides a kind of blood glucose monitoring system, measurement essence
Degree is high.
The technical solution of the utility model is: a kind of blood glucose monitoring system, including tester ontology, in the tester ontology
Be provided with circuit board, the tester ontology be provided with multiband reflection infrared sensor, thermopile IR radiation sensor,
Bio-impedance sensor and ECG sensor, the multiband reflection infrared sensor, thermopile IR radiation sensor, life
Object impedance transducer and ECG sensor are connected to the circuit board.
Specifically, the multiband reflection infrared sensor, thermopile IR radiation sensor, bio-impedance sensor
The same face of the tester ontology is set to ECG sensor and adjacent spaces are arranged.
Specifically, the circuit board is provided with data processing unit, the multiband reflection infrared sensor, thermoelectric pile
Infrared radiation sensor, bio-impedance sensor and ECG sensor are electrically connected to the data processing unit.
Specifically, the multiband reflection infrared sensor includes at least two LED with different wavelength of transmitted light
Emit light source, further include the light sensation receiver being integrated in one, filter circuit module, amplification circuit module, temperature compensation module,
A/D conversion module.
Specifically, the thermopile IR radiation sensor includes optical lens, thermode, NTC thermistor, further includes
Signal conditioning circuit module, the signal conditioning circuit module include at least filter circuit module, amplification circuit module and compensation
Circuit module.
Specifically, the bio-impedance sensor includes the alternating voltage emission electrode and phase of at least two different frequencies
Corresponding bio-impedance tests electrode, and the alternating voltage emission electrode and bio-impedance test electrode are integrated in metal pole piece
On.
Specifically, the alternating voltage emission electrode of different frequency acts on the upper distance difference of tested skin.
Specifically, the ECG sensor includes that one group of list lead electrocardio tests electrode, and every group of list lead electrocardio tests electrode
Including at least two compound sensors.
Specifically, the compound sensor includes the metal pedestal with cavity and the metal bolt for being connected to the metal pedestal,
It is embedded with temperature sensor in the metal bolt, pressure sensor is provided in the metal pedestal, is provided with bullet in the cavity
Spring, the spring are resisted against the temperature sensor or metal bolt.
Specifically, the tester ontology is provided in wire transmission module, wireless transport module and display apparatus module
It is at least one.
A kind of blood glucose monitoring system provided by the utility model can pass through multiband reflection infrared sensor, thermoelectricity
Heap infrared radiation sensor, bio-impedance sensor and ECG sensor can independently measure relevant parameter, and calculate bleeding
Sugar value, each result can corroborate each other, and measurement accuracy is high.The result of the independent measurement of each method can be according to the weight accordingly set
And obtain final result.
Detailed description of the invention
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of three-dimensional assembling schematic diagram of blood glucose monitoring system provided by the embodiment of the utility model；
Fig. 2 is a kind of floor map of blood glucose monitoring system provided by the embodiment of the utility model；
Fig. 3 is that the plane of circuit board and sensor is illustrated in a kind of blood glucose monitoring system provided by the embodiment of the utility model
Figure；
Fig. 4 is the three-dimensional signal of circuit board and sensor in a kind of blood glucose monitoring system provided by the embodiment of the utility model
Figure；
Fig. 5 is the stereoscopic schematic diagram of ECG sensor in a kind of blood glucose monitoring system provided by the embodiment of the utility model；
Fig. 6 is the perspective cross section schematic diagram of ECG sensor in a kind of blood glucose monitoring system provided by the embodiment of the utility model；
Fig. 7 is a kind of perspective exploded view of blood glucose monitoring system provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that term " setting ", " connection " shall be understood in a broad sense, for example, it may be directly setting, connection,
It can also be arranged indirectly by component placed in the middle, center configuration, be connected.
As shown in Figures 1 to 7, a kind of blood glucose monitoring system provided by the embodiment of the utility model, including tester ontology
100, tester ontology 100 may include shell 10, internal battery etc., shell 10 may include upper cover 11 and by screw connection in
The bottom plate 12 of upper cover 11.Circuit board 20 is provided in the shell 10 of the tester ontology 100, the tester ontology 100 is set
It is equipped with multiband reflection infrared sensor 31, thermopile IR radiation sensor 32, bio-impedance sensor 33 and ECG sensing
Device 34, the multiband reflection infrared sensor 31, thermopile IR radiation sensor 32,33 and of bio-impedance sensor
ECG sensor 34 is connected to the circuit board 20.Multiband reflection infrared sensor 31, thermopile IR radiation sensor
32, bio-impedance sensor 33 and ECG sensor 34 can independently measure relevant parameter, and calculate blood glucose value, each to tie
Fruit can corroborate each other, and measurement accuracy is high.The result of the independent measurement of each method can obtain most according to the weight accordingly set
Terminate fruit.
Specifically, multiband reflection infrared sensor 31 can measure blood glucose by infrared sensor, i.e., based on close red
External exposure diffusing reflection laser spectroscopy measures blood sugar concentration by blood vessel is irradiated with harmless electromagnetic radiation.I.e. using with energy
The irradiation of the electromagnetic wave of the wavelength of measuring point (such as blood vessel) is reached across skin.Since skin is mainly to be made of water,
Water almost absorbs infrared-ray in entire infrared range of spectrum, can be carried out by the electromagnetic wave of 1.3-1.9 micron wave length ray
Irradiation, when the electromagnetic wave irradiation skin of these wavelength, light passes through skin and reaches blood vessel, there light and blood it is uneven at
Divide (heterogeneons componmt) interaction.Using the skin at the light irradiation adjacent blood vessel controlled by optics, wear
Skin is crossed by blood absorption, the light that dispersion is returned with diffusing reflection collects ball by one and collected.Collect the light of ball collection by this
Son is converted to analog electrical signal by detector.The analog electrical signal is sent to a preamplifier, it is amplified there.
The analog electrical signal that this is exaggerated is sent to analog/digital (A/D) converter and is converted into corresponding digital signal, and by this
Digital signal is exported to single chip microcomputer.Single chip microcomputer is according to the digital signal referring to the calibration being stored in memory
Curve calculates and calculates blood sugar concentration.
Specifically, thermopile IR radiation sensor 32 can also measure blood glucose by infrared sensor, utilize near-infrared
Absorption to glucose in blood, foundation of the transmitted light in cyclic fluctuation as analysis, in conjunction with photoplethysmographic theory
The relationship of waveform and blood sugar concentration is set up, measurement method has the advantages that stable and accurate.It is warm in conjunction with being set on tester
Humidity sensor, it is also contemplated that the temperature and radiations heat energy of external environment, such many kinds of parameters, which combines, more accurately to be counted
Metabolic rate is calculated, test accuracy rate is higher, can specifically refer to the principle of CN207721812U.
Specifically, bio-impedance sensor 33 can pass through bio-electrical impedance measuring (ElectricaI Bioim
Pedance Measurement) or abbreviation resistance technique, it is a kind of electrical characteristics and its variation using biological tissue and organ
Rule extracts the detection technique of biomedical information relevant to Human Physiology, pathological condition.It is generally by being placed in body surface
Electrode system to test object be sent into a small AC measurment current or voltage, detect corresponding electrical impedance and its variation,
Then according to different application purposes, relevant physiology and pathological information are obtained.It has it is noninvasive, harmless, it is cheap, easy to operate
The features such as enriching with functional information, doctor and patient are easy to receive.The essential structure unit of human body is cell.Cell is had by one layer
There is the semi-permeable membrane of special construction and function to be coated with, referred to as cell membrane or plasma membrane, it allows Cucumber selectively to pass through, together
The stabilization of Shi Yange holding intracellular matter ingredient.The cell membrane not still barrier and cell between cell and ambient enviroment
Receive extraneous or other impact cells portals.Various physics sexual stimulus in cellular environment, the hormone and mediator generated in vivo
Equal chemical irritations object, and enter the intracorporal some drugs of people etc., cell membrane is much acted on first, then influences cell again
Interior various physiological functions.Cell film character and its variation from cell level reflect Human Physiology, pathological state and variation.Specifically
Principle can refer to CN107255657A.And CN107530009A.
Specifically, the principle that ECG sensor 34 measures blood glucose can refer to CN200780049386.3.
Specifically, the multiband reflection infrared sensor 31, thermopile IR radiation sensor 32, bio-impedance pass
Sensor 33 and ECG sensor 34 are set to the same face of the tester ontology 100 and adjacent spaces are arranged, and pass through clamped one time
Wave band reflection infrared sensor, thermopile IR radiation sensor 32,33 and of bio-impedance sensor can be passed through respectively
ECG sensor 34 can independently measure relevant parameter, and calculate blood glucose reference value.In the present embodiment, each sensor list
Member it is highly integrated and act on human body be tested skin narrow area side (inside of such as finger), sensor unit includes: temperature
Sensor, humidity sensor, thermopile IR radiation sensor 32, multiband reflective infrared sensor, multifrequency bio-impedance hair
Penetrate receiving electrode, ECG electrocardioelectrode and pressure sensor etc..The sensor is highly integrated and digitlization, in order to will be many
Multisensor is arranged in narrow and small area and acts only on the side of tested skin, while reducing the interference of mutual signal,
Improve the precision of test signal.
Specifically, the circuit board 20 is provided with data processing unit 21 (data processing device), and the multiband is reflective
Infrared sensor 31, thermopile IR radiation sensor 32, bio-impedance sensor 33 and ECG sensor 34 are electrically connected to institute
State data processing unit.That is multiband reflection infrared sensor 31, thermopile IR radiation sensor 32, bio-impedance sensing
Device 33 and ECG sensor 34 can have with shared data mathematics device, data processing device for the reflective infrared sensing of multiband
The input port that device 31, thermopile IR radiation sensor 32, bio-impedance sensor 33 and ECG sensor 34 connect.More waves
Section reflection infrared sensor 31, thermopile IR radiation sensor 32, bio-impedance sensor 33 and ECG sensor 34 have
Output port for being connect with data processing device.Output port can be I2C or SPI output interface etc..
In the present embodiment, the multiband reflection infrared sensor 31 includes at least two with different wavelength of transmitted light
LED emit light source, further include the light sensation receiver, filter circuit module, amplification circuit module, temperature-compensating being integrated in one
Module, A/D conversion module.Multiband reflection infrared sensor 31, use chip packaged type by two or two with
The LED of upper different wave length emits light source, light sensation receiver, filter circuit, amplifying circuit, temperature-compensation circuit, A/D conversion circuit
It is integrated in one and passes through I2C or SPI output interface directly exports multiple digital signals to data processing unit.
Specifically, the thermopile IR radiation sensor 32 includes optical lens, thermode, NTC thermistor, is also wrapped
Signal conditioning circuit module is included, the signal conditioning circuit module includes at least filter circuit module, amplification circuit module and benefit
Repay circuit module.In the present embodiment, thermopile IR radiation sensor 32 uses chip package mode by optical lens, thermoelectricity
Pole, NTC thermistor and comprising filter circuit, amplifying circuit, compensation circuit, the signal conditioning circuit including A/D conversion circuit
It is integrated in one and passes through I2The direct output digit signals data processing unit of C or SPI output interface.
Specifically, the alternating voltage emission electrode of the bio-impedance sensor 33 including at least two different frequencies and
Corresponding bio-impedance tests electrode 331,332, and the alternating voltage emission electrode and bio-impedance test electrode are integrated in
On metal pole piece.Specifically, the alternating voltage emission electrode of different frequency acts on the upper distance difference of tested skin.This reality
It applies in example, bio-impedance electrode uses microelectromechanical processes manufacturing method by the alternating current of two or more different frequencies
Pressure emission electrode and corresponding bio-impedance test electrode are integrated on a thin metal pole piece, and the electrode of different frequency is made
Upper distance for being tested skin is different, and the bioimpedance signal tested includes the capacitance in subcutis liquid, electricity
The characteristic signals such as resistance value, dielectric constant are by being transferred to data processing unit after independent filter circuit, amplifying circuit processing.
Specifically, the ECG sensor 34 includes that one group of list lead electrocardio tests electrode, every group of list lead electrocardio test electricity
Pole includes at least two compound sensors 341,342.Specifically, the compound sensor 341,342 includes the gold with cavity
Belong to seat 3413 and be connected to the metal bolt 3412 of the metal pedestal 3413, is embedded with temperature sensor in the metal bolt 3412
3416, pressure sensor 3415 is provided in the metal pedestal 3413, and spring 3414, the spring are provided in the cavity
3414 upper ends are resisted against the temperature sensor 3416 or metal bolt 3412, and the lower end of 3414 upper end of spring is resisted against pressure sensing
Device 3415.Wherein, 3412 upper end face 3411 of metal bolt is used as one of ECG electrocardioelectrode and tested skin contact, and conduct
Whole mould group is connect with wiring board.Two compound sensors 341,342, detected electrocardiosignal, temperature signal, pressure letter
Number by independent filter circuit, amplifying circuit processing after be transferred to data processing unit.
Specifically, the tester ontology 100 is provided in wire transmission module, wireless transport module and display apparatus module
At least one.In concrete application, display etc. can be connected by the wired or wireless way of output, it can also be in tester
Display screen and loudspeaker are directly set on ontology 100, measurement result value can also be exported.
In the present embodiment, it is provided with finger recess 101, the reflective infrared biography of multiband on one side in tester ontology 100
Compound sensor 341 in sensor 31, thermopile IR radiation sensor 32, bio-impedance sensor 33 and ECG sensor 34
It can be distributed in finger recess 101, finger recess 101 is put into for measured hand person.Specifically, one in ECG sensor 34
Another compound sensor 342 in the bottom end of finger recess 101, ECG sensor 34 can be set in a compound sensor 341
It can be set outer in finger recess 101 and close to the front end of finger recess 101.Multiband reflection infrared sensor 31 and heat
Pile infrared radiation sensor 32 can be disposed adjacent in the center in finger recess 101, bio-impedance sensor 33
Two bio-impedance electrodes 331,332 can be set in finger recess 101 and positioned at multiband reflection infrared sensor 31
With the both ends of thermopile IR radiation sensor 32, wherein a biological impedance electrodes 332 can be close to before finger recess 101
End, another bio-impedance electrode 332 can be between thermopile IR radiation sensor 32 and a compound sensor 341.Heat
Pile infrared radiation sensor 32 can be located at the middle part of finger recess 101, and Temperature Humidity Sensor 35 can be located at thermopile IR spoke
Penetrate the left or right side of sensor 32.
A kind of blood glucose monitoring system provided by the utility model embodiment can pass through multiband reflection infrared sensor
31, thermopile IR radiation sensor 32, bio-impedance sensor 33 and ECG sensor 34 can independently measure related ginseng
Number, and blood glucose value is calculated, each result can corroborate each other, and measurement accuracy is high.The result of the independent measurement of each method can basis
The weight that accordingly sets and obtain final result.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of blood glucose monitoring system, which is characterized in that including tester ontology, it is provided with circuit board in the tester ontology,
The tester ontology is provided with multiband reflection infrared sensor, thermopile IR radiation sensor, bio-impedance sensing
Device and ECG sensor, the multiband reflection infrared sensor, thermopile IR radiation sensor, bio-impedance sensor
The circuit board is connected to ECG sensor.
2. a kind of blood glucose monitoring system as described in claim 1, which is characterized in that the multiband reflection infrared sensor,
Thermopile IR radiation sensor, bio-impedance sensor and ECG sensor be set to the same face of the tester ontology and
Adjacent spaces setting.
3. a kind of blood glucose monitoring system as described in claim 1, which is characterized in that the circuit board is provided with data processing list
Member, the multiband reflection infrared sensor, thermopile IR radiation sensor, bio-impedance sensor and ECG sensor
It is electrically connected to the data processing unit.
4. a kind of blood glucose monitoring system as described in claim 1, which is characterized in that the multiband reflection infrared sensor packet
At least two LED transmitting light sources with different wavelength of transmitted light are included, further include the light sensation receiver being integrated in one, filtered electrical
Road module, amplification circuit module, temperature compensation module, A/D conversion module.
5. a kind of blood glucose monitoring system as described in claim 1, which is characterized in that the thermopile IR radiation sensor includes
Optical lens, thermode, NTC thermistor further include signal conditioning circuit module, and the signal conditioning circuit module is at least wrapped
Include filter circuit module, amplification circuit module and compensation circuit module.
6. a kind of blood glucose monitoring system as described in any one of claims 1 to 5, which is characterized in that the bio-impedance sensing
Device includes the alternating voltage emission electrode and corresponding bio-impedance test electrode of at least two different frequencies, the exchange
Voltage discharge electrode and bio-impedance test electrode are integrated on metal pole piece.
7. a kind of blood glucose monitoring system as claimed in claim 6, which is characterized in that the alternating voltage emission electrode of different frequency is made
Upper distance for being tested skin is different.
8. a kind of blood glucose monitoring system as described in any one of claims 1 to 5, which is characterized in that the ECG sensor includes
One group of list lead electrocardio tests electrode, and every group of list lead electrocardio test electrode includes at least two compound sensors.
9. a kind of blood glucose monitoring system as claimed in claim 8, which is characterized in that the compound sensor includes having cavity
Metal pedestal and the metal bolt for being connected to the metal pedestal are embedded with temperature sensor in the metal bolt, set in the metal pedestal
It is equipped with pressure sensor, spring is provided in the cavity, the spring is resisted against the temperature sensor or metal bolt.
10. a kind of blood glucose monitoring system as described in any one of claims 1 to 5, which is characterized in that the tester ontology is set
It is equipped at least one of wire transmission module, wireless transport module and display apparatus module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982572.4U CN209315882U (en) | 2018-11-28 | 2018-11-28 | A kind of blood glucose monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982572.4U CN209315882U (en) | 2018-11-28 | 2018-11-28 | A kind of blood glucose monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209315882U true CN209315882U (en) | 2019-08-30 |
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ID=67712051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821982572.4U Active CN209315882U (en) | 2018-11-28 | 2018-11-28 | A kind of blood glucose monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209315882U (en) |
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2018
- 2018-11-28 CN CN201821982572.4U patent/CN209315882U/en active Active
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