CN205251549U - Blood oxygen measuring equipment - Google Patents
Blood oxygen measuring equipment Download PDFInfo
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- CN205251549U CN205251549U CN201520944284.XU CN201520944284U CN205251549U CN 205251549 U CN205251549 U CN 205251549U CN 201520944284 U CN201520944284 U CN 201520944284U CN 205251549 U CN205251549 U CN 205251549U
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Abstract
The embodiment of the utility model discloses blood oxygen measuring equipment, this equipment include a light emitting devices, a light receiving element, the 2nd light emitting devices and the 2nd light receiving element, and a light emitting devices and a light receiving element imbed respectively on two relative lateral walls of passageway, and the 2nd light emitting devices and the 2nd light receiving element imbed respectively on two relative lateral walls of passageway, all be provided with first inclined to one side vibration -damping sheet on the lateral wall at a light emitting devices and light receiving element place, first inclined to one side vibration -damping sheet lies in between a light emitting devices and the light receiving element, all be provided with the inclined to one side vibration -damping sheet of second on the lateral wall at the 2nd light emitting devices and the 2nd light receiving element place, the inclined to one side vibration -damping sheet of second lies in between the 2nd light emitting devices and the 2nd light receiving element, and the inclined to one side vibration -damping sheet's of second polarization direction is orthogonal with first inclined to one side vibration -damping sheet's polarization direction. Implement the embodiment of the utility model provides a can improve blood oxygen measuring equipment's accuracy.
Description
Technical field
The utility model relates to Oximetry technical field, is specifically related to a kind of Oximetry equipment.
Background technology
At present, the Oximetry equipment on market mainly use be the blood oxygen saturation that a red emission device, infrared light emission device and light receiving element are measured human body. Conventionally, this Oximetry equipment is enclosed within on user's finger, the light of red emission device and the transmitting of infrared emission device is through user's finger, and then received by light receiving element, the light intensity value of the ruddiness receiving according to light receiving element and the light intensity value of infrared light just can calculate the blood oxygen saturation of human body. Because the spectrum of ruddiness and infrared light exists common factor conventionally, can distinguish in order to make light receiving element the ruddiness and the infrared light that receive, red emission device and infrared light emission device adopt time-multiplexed mode to carry out work, and red emission device and infrared light emission device need interval transmitting.
But find in practice, when hot light emitting devices is closed, light receiving element still can receive the residual remaining light of this red emission device, if at this moment light receiving element receives the light of infrared light emission device transmitting, light receiving element is still difficult to distinguish two kinds of light so, common way is the luminous interval that extends red emission device and infrared light emission device, but in this way in the time calculating the blood oxygen saturation of human body, suppose that red emission device and infrared light emission device work simultaneously. Visible, the time difference in this mode will cause the accuracy of measurement of Oximetry equipment to decline.
Utility model content
The utility model embodiment provides a kind of Oximetry equipment, can improve the accuracy of measurement of Oximetry equipment.
The utility model embodiment discloses a kind of Oximetry equipment, and described equipment is formed with a passage of pointing insertion for user; Described equipment comprises the first light emitting devices, the first light receiving element, the second light emitting devices and the second light receiving element, described the first light emitting devices and described the first light receiving element are embedded in respectively on two relative sidewalls of described passage, and described the second light emitting devices and described the second light receiving element are embedded in respectively on two relative sidewalls of described passage;
On the sidewall at described the first light emitting devices and described the first light receiving element place, be provided with the first polarizer, described the first polarizer is between described the first light emitting devices and described the first light receiving element;
On the sidewall at described the second light emitting devices and described the second light receiving element place, be provided with the second polarizer, described the second polarizer is between described the second light emitting devices and described the second light receiving element, and the polarization direction of the polarization direction of described the second polarizer and described the first polarizer is orthogonal.
In the utility model embodiment, on the sidewall at the first light emitting devices and the first light receiving element place, be provided with the first polarizer, on the sidewall at the second light emitting devices and the second light receiving element place, be provided with the second polarizer, wherein, the first polarizer is between the first light emitting devices and the first light receiving element, the second polarizer is between the second light emitting devices and the second light receiving element, and the polarization direction of the polarization direction of the second polarizer and the first polarizer is orthogonal. the light of the first light emitting devices transmitting becomes the first polarised light after the first polarizer, and this first polarised light can only be by the first polarizer on the first light receiving element place sidewall, and can not be by the second polarizer on the second light receiving element place sidewall, therefore the light of the first light emitting devices transmitting can not exert an influence to the receiving light power of the second light receiving element, equally, the light of the second light emitting devices transmitting becomes the second polarised light after the second polarizer, and this second polarised light can only be by the second polarizer on the second light receiving element place sidewall, and can not be by the first polarizer on the first light receiving element place sidewall, therefore the light of the second light emitting devices transmitting can not exert an influence to the receiving light power of the first light receiving element. visible, two sun adjuster parts are unaffected each other, thereby can improve the accuracy of measurement of Oximetry equipment.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of Oximetry equipment of the utility model embodiment;
Fig. 2 is the structural representation of the disclosed another kind of Oximetry equipment of the utility model embodiment;
Fig. 3 is the structural representation of the disclosed another kind of Oximetry equipment of the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment. Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of Oximetry equipment, can improve the accuracy of measurement of Oximetry equipment. Below be elaborated respectively.
Refer to Fig. 1, Fig. 1 is the structural representation of the disclosed a kind of Oximetry equipment of the utility model embodiment. Wherein, this Oximetry equipment is for measuring the blood oxygen saturation of human body. As shown in Figure 1, this equipment is formed with a passage of pointing 3 insertions for user; This equipment comprises the first light emitting devices 11, the first light receiving element 21, the second light emitting devices 12 and the second light receiving element 22, the first light emitting devices 11 is embedded on the sidewall 1 of passage, the first light receiving element 21 is embedded on the sidewall 2 of passage, the second light emitting devices 12 is embedded on the sidewall 1 of passage, the second light receiving element 22 is embedded on the sidewall 2 of passage, wherein, sidewall 1 is two relative sidewalls with sidewall 2;
On the sidewall 1 at the first light emitting devices 11 places, be provided with on the sidewall 2 at the first polarizer 4, the first optical receiver 21 places and be provided with the first polarizer 4, wherein, two the first polarizers 4 are all between the first light emitting devices 11 and the first light receiving element 21;
On the sidewall 1 at the second light emitting devices 12 places, be provided with the second polarizer 5, on the sidewall 2 at the second optical receiver 22 places, be provided with the second polarizer 5, wherein, two the second polarizers 5 are all between the second light emitting devices 12 and the second light receiving element 22, and the polarization direction of the polarization direction of the second polarizer 5 and the first polarizer 4 is orthogonal.
In equipment shown in Fig. 1, the first light emitting devices 11 and the second light emitting devices 12 are on same sidewall 1 and be arranged side by side, and the first light receiving element 21 and the second light receiving element 22 are on same sidewall 2 and be arranged side by side.
Blood oxygen saturation (SaO2) is to be accounted for whole combinative hemoglobin (Hb by the capacity of the oxyhemoglobin of oxygen combination (HbO2) in blood, hemoglobin) percentage of capacity, be the concentration of blood oxygen in blood, it is the important physiological parameter of respiration cycle.
Current normally used measuring method is: Oximetry equipment is enclosed within on user's finger, utilize the transparent vessel of finger as splendid attire hemoglobin, use the ruddiness of wavelength 660nm and the near infrared light of 940nm as injecting light source, measure the light conduction intensity by tissue bed, calculate HC and blood oxygen saturation, instrument can show human body blood oxygen saturation.
Due to ruddiness and infrared light spectrum conventionally there is common factor, can distinguish in order to make light receiving element the ruddiness and the infrared light that receive, red emission device and infrared light emission device can not be worked simultaneously, but, in the time calculating the blood oxygen saturation of human body, in order to ensure the degree of accuracy of measuring, red emission device and infrared light emission device must be worked simultaneously. In order to address the above problem, can use the Oximetry equipment shown in Fig. 1.
Oximetry equipment shown in Fig. 1 can improve the accuracy of measurement of Oximetry equipment, and its principle is as follows:
On the sidewall at the first light emitting devices 11 and the first light receiving element 21 places, be provided with the first polarizer 4, on the sidewall at the second light emitting devices 12 and the second light receiving element 22 places, be provided with the second polarizer 5, wherein, the first polarizer 4 is between the first light emitting devices 11 and the first light receiving element 21, the second polarizer 5 is between the second light emitting devices 12 and the second light receiving element 22, and the polarization direction of the polarization direction of the second polarizer 5 and the first polarizer 4 is orthogonal. the light that the first light emitting devices 11 is launched becomes the first polarised light after the first polarizer 4, and this first polarised light can only be by the first polarizer 4 on the first light receiving element 21 place sidewalls 2, and can not be by the second polarizer 5 on the second light receiving element 22 place sidewalls 2, therefore the light that the first light emitting devices 11 is launched can not exert an influence to the receiving light power of the second light receiving element 22, equally, the light that the second light emitting devices 12 is launched becomes the second polarised light after the second polarizer 5, and this second polarised light can only be by the second polarizer 5 on the second light receiving element 22 place sidewalls 2, and can not be by the first polarizer 4 on the first light receiving element 21 place sidewalls 2, therefore the light that the second light emitting devices 12 is launched can not exert an influence to the receiving light power of the first light receiving element 21. visible, two sun adjuster parts are unaffected each other, thereby can improve the accuracy of measurement of Oximetry equipment.
Wherein, the first light emitting devices 11 can be infrared transmitter part, and the first light receiving element 21 can be infrared light receiving device, and the second light emitting devices 12 can be red emission device, and the second light receiving element 22 can be ruddiness receiving device.
Optionally, the infrared light wavelength that infrared light emission device uses can be 940nm, and the red light wavelength that red emission device uses can be 660nm.
Refer to Fig. 2, Fig. 2 is the structural representation of the disclosed another kind of Oximetry equipment of the utility model embodiment. Wherein, the Oximetry equipment shown in Fig. 2 comprises all parts of the Oximetry equipment shown in Fig. 1, different from the Oximetry equipment shown in Fig. 1, and the layout difference of two sun adjuster parts is specific as follows:
The first light emitting devices 11 is embedded on the sidewall 1 of passage, and the first light receiving element 21 is embedded on the sidewall 2 of passage, and the second light emitting devices 12 is embedded on the sidewall 2 of passage, and the second light receiving element 22 is embedded on the sidewall 1 of passage.
In Oximetry equipment shown in Fig. 2, the first light emitting devices 11 and the second light receiving element 22 are on same sidewall 1 and be arranged side by side, and the second light emitting devices 12 and the first light receiving element 21 are on same sidewall 2 and be arranged side by side.
In the described utility model embodiment of Fig. 2, on the sidewall at the first light emitting devices 11 and the first light receiving element 21 places, be provided with the first polarizer 4, on the sidewall at the second light emitting devices 12 and the second light receiving element 22 places, be provided with the second polarizer 5, wherein, the first polarizer 4 is between the first light emitting devices 11 and the first light receiving element 21, the second polarizer 5 is between the second light emitting devices 12 and the second light receiving element 22, and, the polarization direction of the polarization direction of the second polarizer 5 and the first polarizer 4 is orthogonal. the light that the first light emitting devices 11 is launched becomes the first polarised light after the first polarizer 4, and this first polarised light can only be by the first polarizer 4 on the first light receiving element 21 place sidewalls 2, and can not be by the second polarizer 5 on the second light receiving element 22 place sidewalls 2, therefore the light that the first light emitting devices 11 is launched can not exert an influence to the receiving light power of the second light receiving element 22, equally, the light that the second light emitting devices 12 is launched becomes the second polarised light after the second polarizer 5, and this second polarised light can only be by the second polarizer 5 on the second light receiving element 22 place sidewalls 2, and can not be by the first polarizer 4 on the first light receiving element 21 place sidewalls 2, therefore the light that the second light emitting devices 12 is launched can not exert an influence to the receiving light power of the first light receiving element 21. visible, two sun adjuster parts are unaffected each other, thereby can improve the accuracy of measurement of Oximetry equipment.
Refer to Fig. 3, Fig. 3 is the structural representation of the disclosed another kind of Oximetry equipment of the utility model embodiment. Wherein, Oximetry equipment shown in Fig. 3 is to obtain at the enterprising one-step optimization in the basis of the Oximetry equipment shown in Fig. 1, compared with the Oximetry equipment shown in Fig. 1, the equipment of Oximetry shown in Fig. 3 is except comprising all parts of the Oximetry equipment shown in Fig. 1, can also comprise signal output part 6, wherein:
Signal output part 6 is for connecting external equipment, and this signal output part 6 and the first light receiving element 21 and the second light receiving element 22 all keep being electrically connected.
The optical signal that this signal output part 6 can receive the first light receiving element 21 and the second light receiving element 22 changes the signal of telecommunication (as voltage signal, current signal) into, and this signal of telecommunication is exported to external equipment.
Optionally, the Oximetry equipment shown in Fig. 3 can also comprise: feeder ear 7, wherein:
Feeder ear 7 connects the first light emitting devices 11, the first light receiving element 21, the second light emitting devices 12 and the second light receiving element 22.
This feeder ear 7 can be that the first light emitting devices 11, the first light receiving element 21, the second light emitting devices 12 and the second light receiving element 22 are powered.
Optionally, the equal printing opacity in region at the region at the first polarizer 4 places and the second polarizer 5 places, and region except the region at the first polarizer 4 places and the region at the second polarizer 5 places is all light tight.
Like this, just can guarantee that the light that the first light emitting devices 11 is launched can only see through the first polarizer 4, and can not see through from other regions, the light that the second light emitting devices 12 is launched can only see through the second polarizer 5, and can not see through from other regions, thereby can reduce the error of measurement data.
Visible, in the described utility model embodiment of Fig. 3, on the sidewall at the first light emitting devices 11 and the first light receiving element 21 places, be provided with the first polarizer 4, on the sidewall at the second light emitting devices 12 and the second light receiving element 22 places, be provided with the second polarizer 5, and make the polarization direction of the second polarizer 5 and the polarization direction of the first polarizer 4 orthogonal, just can make two sun adjuster parts unaffected each other, thereby can improve the accuracy of measurement of Oximetry equipment.
A kind of Oximetry equipment above the utility model embodiment being provided is described in detail, applied instantiation herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (8)
1. an Oximetry equipment, is characterized in that, described equipment is formed with one and points insertion for userPassage; Described equipment comprise the first light emitting devices, the first light receiving element, the second light emitting devices withAnd second light receiving element, described the first light emitting devices and described the first light receiving element are embedded in respectivelyOn two relative sidewalls of described passage, described the second light emitting devices and described the second light receiving elementBe embedded in respectively on two relative sidewalls of described passage;
On the sidewall at described the first light emitting devices and described the first light receiving element place, be provided with firstPolarizer, described the first polarizer is between described the first light emitting devices and described the first light receiving element;
On the sidewall at described the second light emitting devices and described the second light receiving element place, be provided with secondPolarizer, described the second polarizer between described the second light emitting devices and described the second light receiving element,The polarization direction of the polarization direction of described the second polarizer and described the first polarizer is orthogonal.
2. equipment according to claim 1, is characterized in that, described the first light emitting devices and described inThe second light emitting devices is on same sidewall and be arranged side by side described the first light receiving element and described the second lightReceiving device is on same sidewall and be arranged side by side.
3. equipment according to claim 1, is characterized in that, described the first light emitting devices and described inThe second light receiving element is on same sidewall and be arranged side by side described the second light emitting devices and described the first lightReceiving device is on same sidewall and be arranged side by side.
4. according to the equipment described in claim 1～3 any one, it is characterized in that, described equipment also comprises useIn the signal output part that connects external equipment, described signal output part and described the first light receiving element and instituteStating the second light receiving element all keeps being electrically connected.
5. according to the equipment described in claim 1～3 any one, it is characterized in that, described equipment also comprises confessionElectricity end, described feeder ear connects described the first light emitting devices, described the first light receiving element, described secondLight emitting devices and described the second light receiving element.
6. according to the equipment described in claim 1～3 any one, it is characterized in that described the first polarizer instituteRegion and the equal printing opacity in region at described the second polarizer place.
7. according to the equipment described in claim 1～3 any one, it is characterized in that described the first optical transmitting setPart is infrared light emission device, and described the first light receiving element is infrared light receiving device, and described the second light is sent outEmitter part is red emission device, and described the second light receiving element is ruddiness receiving device.
8. equipment according to claim 7, is characterized in that, described infrared light emission device usesInfrared light wavelength is 940nm, and the red light wavelength that described red emission device uses is 660nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520944284.XU CN205251549U (en) | 2015-11-23 | 2015-11-23 | Blood oxygen measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520944284.XU CN205251549U (en) | 2015-11-23 | 2015-11-23 | Blood oxygen measuring equipment |
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| CN205251549U true CN205251549U (en) | 2016-05-25 |
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| CN201520944284.XU Active CN205251549U (en) | 2015-11-23 | 2015-11-23 | Blood oxygen measuring equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171764A (en) * | 2018-10-24 | 2019-01-11 | 重庆科技学院 | A kind of SCM Based blood oxygen detection method |
| CN109222993A (en) * | 2018-09-10 | 2019-01-18 | 奇酷互联网络科技（深圳）有限公司 | A kind of blood oxygen detection device and blood oxygen detection method |
| CN111513699A (en) * | 2020-04-29 | 2020-08-11 | 维沃移动通信有限公司 | Optical assembly, electronic equipment and biological characteristic data detection method |
-
2015
- 2015-11-23 CN CN201520944284.XU patent/CN205251549U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109222993A (en) * | 2018-09-10 | 2019-01-18 | 奇酷互联网络科技（深圳）有限公司 | A kind of blood oxygen detection device and blood oxygen detection method |
| CN109171764A (en) * | 2018-10-24 | 2019-01-11 | 重庆科技学院 | A kind of SCM Based blood oxygen detection method |
| CN111513699A (en) * | 2020-04-29 | 2020-08-11 | 维沃移动通信有限公司 | Optical assembly, electronic equipment and biological characteristic data detection method |
| WO2021218784A1 (en) * | 2020-04-29 | 2021-11-04 | 维沃移动通信有限公司 | Optical module, electronic device, and biological characteristic data detection method |
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