CN203564240U - Light interference resistant blood oxygen sensor - Google Patents
Light interference resistant blood oxygen sensor Download PDFInfo
- Publication number
- CN203564240U CN203564240U CN201320705495.9U CN201320705495U CN203564240U CN 203564240 U CN203564240 U CN 203564240U CN 201320705495 U CN201320705495 U CN 201320705495U CN 203564240 U CN203564240 U CN 203564240U
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- CN
- China
- Prior art keywords
- blood oxygen
- light source
- module
- reference light
- photoelectric sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 38
- 239000001301 oxygen Substances 0.000 title claims abstract description 38
- 239000008280 blood Substances 0.000 title claims abstract description 35
- 210000004369 blood Anatomy 0.000 title claims abstract description 35
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000002496 oximetry Methods 0.000 description 5
- 102000001554 Hemoglobins Human genes 0.000 description 3
- 108010054147 Hemoglobins Proteins 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a light interference resistant blood oxygen sensor. The light interference resistant blood oxygen sensor comprises a photoelectric sensor, an MCU control module, a power module, a transmission module, a signal processing circuit, a reference light source and an LED display module. The photoelectric sensor is connected with the MCU control module through the signal processing circuit, the reference light source is connected with the photoelectric sensor, and the power module, the transmission module and the LED display module are respectively connected with the MCU control module. According to the light interference resistant blood oxygen sensor, the reference light source is connected to the photoelectric sensor, and therefore interference of the external environment in blood oxygen measurement is well eliminated, stability of blood oxygen saturation degree measurement is greatly improved, and meanwhile the measurement range of the blood oxygen saturation degree is expanded accordingly.
Description
Technical field
This utility model relates to blood oxygen transducer, relates in particular to a kind of anti-light and disturbs blood oxygen transducer.
Background technology
Along with the raising of people's living standard, health becomes the new fashion of life that people pursue, and blood oxygen saturation, as an important physiological parameter of human body, has obtained clinical practice widely.Current blood oxygen instrument is to utilize the transparent vessel of finger as splendid attire hemoglobin, the near infrared light that the HONGGUANG that use wavelength is 660nm and wavelength are 940nm is as injecting light source, by the light conduction intensity of photoelectric sensor Measuring hemoglobin tissue bed, the signal of photoelectric sensor collection is delivered to MCU control module after converting digital signal to through signal processing circuit, MCU control module is carried out analytic operation and obtains people's hemoglobin concentration and blood oxygen saturation to digital signal, finally by LED display module, show.
But existing oximetry sensor method for designing, is all to respond HONGGUANG and infrared light with photodiode, it is easy to be subject to surround lighting, interference of stray light.Because prior art cannot solve the interference of environmental light intensity, while measuring out of doors, there will be and cannot detect or problem that measurement error is very large.
Utility model content
In view of energy storage device above shortcomings such as current batteries, this utility model provides a kind of anti-light to disturb blood oxygen transducer, can eliminate the interference that external ambient light causes Oximetry.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of anti-light disturbs blood oxygen transducer, described anti-light disturbs blood oxygen transducer to comprise photoelectric sensor, MCU control module, power module, transport module, signal processing circuit, reference light source and LED display module, described photoelectric sensor is connected with described MCU control module through described signal processing circuit, described reference light source is connected with described photoelectric sensor, and described power module, transport module and LED display module are connected with described MCU control module respectively.
According to an aspect of the present utility model, described reference light source and described photoelectric sensor two ends are provided with series resistance.
According to an aspect of the present utility model, described reference light source is provided with an electric capacity in parallel with reference light source.
According to an aspect of the present utility model, described reference light source is light emitting diode.
According to an aspect of the present utility model, described transport module is USB transport module.
According to an aspect of the present utility model, described transport module is wireless transport module.
According to an aspect of the present utility model, described power module is battery.
The advantage that this utility model is implemented: adopted the scheme that connects reference light source on photoelectric sensor, this surround lighting reference light source of introducing has been eliminated the interference that external ambient light causes Oximetry well, increase substantially the stability of oxygen saturation measurement, correspondingly expanded the measuring range of blood oxygen saturation simultaneously; Further, described reference light source is light emitting diode, and and Capacitance parallel connection, by the filtration of electric capacity, described light emitting diode luminous more stable, thus make the measurement of blood oxygen transducer more accurate.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in this utility model embodiment, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings+other accompanying drawing.
Fig. 1 is the structured flowchart that a kind of anti-light described in the utility model disturbs blood oxygen transducer;
Fig. 2 is the connecting circuit figure that a kind of anti-light described in the utility model disturbs the reference light source of blood oxygen transducer.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of anti-light disturbs blood oxygen transducer, described anti-light disturbs blood oxygen transducer to comprise photoelectric sensor 1, MCU control module 2, power module 3, transport module 4, signal processing circuit 5, reference light source 6 and LED display module 7, described photoelectric sensor 1 is connected with described MCU control module 2 through described signal processing circuit 5, described reference light source 6 is connected with described photoelectric sensor 1, and described power module 3, transport module 4 and LED display module 7 are connected with described MCU control module 2 respectively; On photoelectric sensor 1, set up reference light source 6, this surround lighting reference light source of introducing has been eliminated the interference that external ambient light causes Oximetry well, increase substantially the stability of oxygen saturation measurement, correspondingly expanded the measuring range of blood oxygen saturation simultaneously.
Wherein, described reference light source 6 and described photoelectric sensor 1 two ends are provided with series resistance 8, and reference light source 6 is continued luminous, thereby as surround lighting reference quantity; Described reference light source 6 is provided with an electric capacity 9 in parallel with reference light source 6, by an electric capacity 9 in parallel, can be when there is High-frequency Interference in voltage, filter out High-frequency Interference, thereby make the luminous more stable of reference light source 6, more stable as surround lighting reference light source, also can make the data of measurement more accurate; Described reference light source 6 is light emitting diode, adopts light emitting diode to make equally the stable luminescence in order to make reference light source, improves degree of accuracy; Described transport module 4 can be USB transport module, by wired USB transmission, can be in time by the External memory equipment of the transfer of data detecting, thus set up the data base who measures, convenient blood oxygen is carried out to long-term monitoring; Described transport module 4 is wireless transport module, same wireless transport module also can be in time by the External memory equipment of the transfer of data detecting, thereby set up the data base who measures, conveniently blood oxygen is carried out to long-term monitoring, and, wireless transport module is because saved the problem of circuit, convenient in use, and the degree of accuracy when measuring is also higher; Described power module 3 is battery, is convenient for carrying.
The advantage that this utility model is implemented: adopted the scheme that connects reference light source on photoelectric sensor, this surround lighting reference light source of introducing has been eliminated the interference that external ambient light causes Oximetry well, increased substantially the stability of oxygen saturation measurement, colleague has correspondingly expanded the measuring range of blood oxygen saturation; Further, described reference light source is light emitting diode, and and Capacitance parallel connection, by the filtration of electric capacity, described light emitting diode luminous more stable, thus make the measurement of blood oxygen transducer more accurate.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; the technical staff of any skilled is in the disclosed technical scope of this utility model; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (7)
1. an anti-light disturbs blood oxygen transducer, it is characterized in that, described anti-light disturbs blood oxygen transducer to comprise photoelectric sensor, MCU control module, power module, transport module, signal processing circuit, reference light source and LED display module, described photoelectric sensor is connected with described MCU control module through described signal processing circuit, described reference light source is connected with described photoelectric sensor, and described power module, transport module and LED display module are connected with described MCU control module respectively.
2. anti-light according to claim 1 disturbs blood oxygen transducer, it is characterized in that, described reference light source and described photoelectric sensor two ends are provided with series resistance.
3. anti-light according to claim 2 disturbs blood oxygen transducer, it is characterized in that, described reference light source is provided with an electric capacity in parallel with reference light source.
4. anti-light according to claim 3 disturbs blood oxygen transducer, it is characterized in that, described reference light source is light emitting diode.
5. anti-light according to claim 1 disturbs blood oxygen transducer, it is characterized in that, described transport module is USB transport module.
6. anti-light according to claim 1 disturbs blood oxygen transducer, it is characterized in that, described transport module is wireless transport module.
7. according to the anti-light one of claim 1 to 6 Suo Shu, disturb blood oxygen transducer, it is characterized in that, described power module is battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705495.9U CN203564240U (en) | 2013-11-08 | 2013-11-08 | Light interference resistant blood oxygen sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705495.9U CN203564240U (en) | 2013-11-08 | 2013-11-08 | Light interference resistant blood oxygen sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203564240U true CN203564240U (en) | 2014-04-30 |
Family
ID=50532010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320705495.9U Expired - Lifetime CN203564240U (en) | 2013-11-08 | 2013-11-08 | Light interference resistant blood oxygen sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203564240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106031639A (en) * | 2015-03-07 | 2016-10-19 | 上海贝瑞电子科技有限公司 | A high precision blood oxygen detection management method and system |
-
2013
- 2013-11-08 CN CN201320705495.9U patent/CN203564240U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106031639A (en) * | 2015-03-07 | 2016-10-19 | 上海贝瑞电子科技有限公司 | A high precision blood oxygen detection management method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |