CN206526051U - A kind of laser non-invasive blood sugar instrument - Google Patents
A kind of laser non-invasive blood sugar instrument Download PDFInfo
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- CN206526051U CN206526051U CN201621302299.7U CN201621302299U CN206526051U CN 206526051 U CN206526051 U CN 206526051U CN 201621302299 U CN201621302299 U CN 201621302299U CN 206526051 U CN206526051 U CN 206526051U
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- laser
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- control module
- convex lens
- optical fiber
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Abstract
The utility model discloses a kind of laser non-invasive blood sugar instrument, including laser driving/temperature control module, laser, optical fiber collimator, convex lens, detector, control module.Laser driving/temperature control module provides driving current for laser, and controls the temperature of laser.Laser is connected with optical fiber collimator.The center of the Laser emission mouthful alignment convex lens of optical fiber collimator.Convex lens are used to converge the laser reflected and will reflect back into next Laser Focusing to detector.Detector is detected by the laser intensity reflected after finger blood glucose molecule absorption, and converts optical signal into electric signal.The electric signal that control module is exported according to detector calculate blood glucose concentration value.The laser non-invasive blood sugar instrument uses LASER Light Source, it is to avoid the absorption cross jamming of infrared wide spectrum light source, accuracy of detection is higher.
Description
Technical field
The utility model is related to non-invasive blood sugar instrument technical field, more particularly to a kind of laser non-invasive blood sugar instrument.
Background technology
Infrared non-invasive blood sugar instrument is one kind in blood glucose meter, and it is exactly with the topmost difference of common blood glucose meter need not
Destruction skin is taken a blood sample, and this is also the reason for being named as non-invasive blood sugar instrument.Common blood glucose meter is required for being taken a blood sample, red
Outer non-invasive blood sugar instrument uses the concentration of glucose in infrared method indirectly testing blood.There is following aspect in infrared non-invasive blood sugar instrument
Deficiency：(1) infrared wide spectrum light source is used, the absorption interference that intersects that there are blood glucose and other materials, it is impossible to Accurate Determining
The concentration of blood glucose；(2) direct absorption process is used, accuracy of detection is not high.
Utility model content
In view of the shortcomings of the prior art, the utility model proposes a kind of laser non-invasive blood sugar instrument, the laser Woundless blood sugar
Instrument uses LASER Light Source, it is to avoid the absorption cross jamming of infrared wide spectrum light source, accuracy of detection is higher.
To achieve these goals, technical solutions of the utility model are as follows：
A kind of laser non-invasive blood sugar instrument, including laser driving/temperature control module, laser, optical fiber collimator, convex lens,
Detector, control module.Laser driving/temperature control module provides driving current for laser, and controls the temperature of laser.
Laser is connected with optical fiber collimator.The center of the Laser emission mouthful alignment convex lens of optical fiber collimator.Convex lens are used to converge
The poly- laser reflected simultaneously will reflect back into next Laser Focusing to detector.Detector is detected by finger blood glucose molecule absorption
The laser intensity reflected afterwards, and convert optical signal into electric signal.The electric signal that control module is exported according to detector
Calculate blood glucose concentration value.
Further, in addition to signal processing module.Signal processing module is connected between detector and control module.Letter
The electric signal that number processing module is exported to detector does signal amplification and noise reduction process.
Further, in addition to display operation module.Display operation module is connected with control module.Show operation module
For showing the concentration value of blood glucose, and provide interface operation.
Further, in addition to data transmission module.Data transmission module is connected with control module.Data transmission module
For the concentration value of blood glucose to be transferred to mobile phone A PP or PC ends.
Further, in addition to glass window.Glass window is located at before convex lens.Glass window is used to protect convex lens
Mirror, and glass window be previously used for place finger, the convenient detection to blood glucose molecule on finger.
A kind of laser non-invasive blood sugar instrument, including laser driving/temperature control module, laser, optical fiber collimator, convex lens,
Detector, control module.Laser driving/temperature control module is connected with laser.Laser is connected with optical fiber collimator.Light
The center of the Laser emission mouthful alignment convex lens of fine collimater.Detector is located at behind laser, detector and control module
It is connected.
The beneficial effects of the utility model：
The laser non-invasive blood sugar instrument uses LASER Light Source, it is to avoid the absorption cross jamming of infrared wide spectrum light source, detection essence
Du Genggao.
Brief description of the drawings
Fig. 1 is the structural representation of laser non-invasive blood sugar instrument.
Wherein, Fig. 1 reference is：Laser driving/temperature control module 1, laser 2, optical fiber collimator 3, convex lens
4th, glass window 5, detector 6, signal processing module 7, control module 8, display operation module 9, data transmission module 10.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.
As shown in figure 1, a kind of laser non-invasive blood sugar instrument, including laser driving/temperature control module 1, laser 2, optical fiber are accurate
Straight device 3, convex lens 4, glass window 5, detector 6, signal processing module 7, control module 8, display operation module 9, data hair
Penetrate module 10.
Glass window 5 is located at before convex lens 4；Glass window 5 is used to protect before convex lens 4, and glass window 5
Face is used to place finger, facilitates the detection of blood glucose.The Laser emission mouthful of optical fiber collimator 3 is located on the axis of quasi- convex lens 4,
And the center of Laser emission mouthful alignment convex lens 4.Laser driving/temperature control module 1 is connected with laser 2；Laser 2 with
Optical fiber collimator 3 is connected.Detector 6 is located at behind laser 2, and detector 6 passes through signal processing module 7 and control module
8 are connected.Control module 8 is connected with laser driving/temperature control module 1, display operation module 9, data transmission module 10 respectively
Connect.
Laser driving/temperature control module 1 is that laser 2 provides driving current, and controls the temperature of laser 2；Convex lens
Mirror 4 is used to converge the laser reflected and will reflect back into next Laser Focusing to detector 6.Detector 6 is detected by finger
The laser intensity reflected after upper blood glucose molecule absorption, and convert optical signal into electric signal.7 pairs of spies of signal processing module
The electric signal for surveying the output of device 6 does signal amplification and noise reduction process.The electric signal that control module 8 is exported according to detector 6 calculates to obtain blood
The concentration value of sugar.Display operation module 9 is used for the concentration value for showing blood glucose, and provides interface operation.Data transmission module 10
For the concentration value of blood glucose to be transferred to mobile phone A PP or PC ends.
Operation principle：
Laser 2 is sent after laser, by optical fiber collimator 3, and passes perpendicularly through convex lens 4 and glass window 5 successively, is entered
Finger surface and tissue are mapped to, laser can be absorbed and be scattered by the blood glucose of finger, and scattered light converges to detection by convex lens 4 again
Device 6 it is upper, optical signal is changed into electric signal and is transferred to signal processing module 7 by detector 6.Signal processing module 7 is to electric signal
Do and amplify and noise reduction process, control module 8 is calculated and compared further according to the change of transmitting light and the light intensity detected, and is calculated
Go out blood glucose concentration value.Then blood glucose concentration value is sent to display operation module 9 and is shown by control module 8.Data launch mould
Blood glucose concentration value is transferred to mobile phone A PP or PC ends by block 10.
The Cleaning Principle of detector 6 is TDLAS（Tunable Diode Laser Absorption Spectroscopy
Tunable diode laser absorption spectrometry）Technology, TDLAS technologies utilize electric current and the tested gas of thermal tuning laser output wavelength scanning
A certain bar absorption line, by detect absorption spectrum absorption intensity obtain gas concentration.Using " single line absorption spectrum "
E measurement technology, can avoid gas cross from disturbing completely, be it is a kind of it is new, with high sensitivity, high-resolution, quick detection
The gas detection technology of feature.
Above-described is only preferred embodiment of the present utility model, and the utility model is not limited to above example.Can
With understand, those skilled in the art directly export or associate on the premise of basic conception of the present utility model is not departed from its
It is improved and change is considered as being included within protection domain of the present utility model.
Claims (6)
1. a kind of laser non-invasive blood sugar instrument, it is characterised in that：
Including laser driving/temperature control module (1), laser (2), optical fiber collimator (3), convex lens (4), detector (6), control
Molding block (8)；
Laser driving/temperature control module (1) is that laser (2) provides driving current, and controls the temperature of laser (2)；
Laser (2) is connected with optical fiber collimator (3)；In the Laser emission mouthful alignment convex lens (4) of optical fiber collimator (3)
The heart；
Convex lens (4) are arrived for converging the laser returned by blood glucose molecule absorption back reflection, and will reflect back into the Laser Focusing come
On detector (6)；
The laser intensity that detector (6) detection is reflected, and convert optical signal into electric signal；
The electric signal that control module (8) is exported according to detector (6) calculate blood glucose concentration value.
2. laser non-invasive blood sugar instrument according to claim 1, it is characterised in that：
Also include signal processing module (7)；
Signal processing module (7) is connected between detector (6) and control module (8)；
The electric signal that signal processing module (7) is exported to detector (6) does signal amplification and noise reduction process.
3. laser non-invasive blood sugar instrument according to claim 1, it is characterised in that：
Also include display operation module (9)；
Display operation module (9) is connected with control module (8)；
Display operation module (9) is used for the concentration value for showing blood glucose, and provides interface operation.
4. laser non-invasive blood sugar instrument according to claim 1, it is characterised in that：
Also include data transmission module (10)；
Data transmission module (10) is connected with control module (8)；
Data transmission module (10) is used to the concentration value of blood glucose be transferred to mobile phone A PP or PC ends.
5. laser non-invasive blood sugar instrument according to claim 1, it is characterised in that：
Also include glass window (5)；
Glass window (5) is located at before convex lens (4)；
Glass window (5) is used to protect convex lens (4), and glass window (5) be previously used for place finger, it is convenient to finger
The detection of upper blood glucose molecule.
6. a kind of laser non-invasive blood sugar instrument, it is characterised in that：
Including laser driving/temperature control module (1), laser (2), optical fiber collimator (3), convex lens (4), detector (6), control
Molding block (8)；
Laser driving/temperature control module (1) is connected with laser (2)；
Laser (2) is connected with optical fiber collimator (3)；
The center of the Laser emission mouthful alignment convex lens (4) of optical fiber collimator (3)；
Detector (6) is located at behind laser (2), and detector (6) is connected with control module (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302299.7U CN206526051U (en) | 2016-11-30 | 2016-11-30 | A kind of laser non-invasive blood sugar instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302299.7U CN206526051U (en) | 2016-11-30 | 2016-11-30 | A kind of laser non-invasive blood sugar instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206526051U true CN206526051U (en) | 2017-09-29 |
Family
ID=59922872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621302299.7U Active CN206526051U (en) | 2016-11-30 | 2016-11-30 | A kind of laser non-invasive blood sugar instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206526051U (en) |
-
2016
- 2016-11-30 CN CN201621302299.7U patent/CN206526051U/en active Active
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