CN103592246A - Body fluid pH value test method and device - Google Patents
Body fluid pH value test method and device Download PDFInfo
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- CN103592246A CN103592246A CN201310594885.8A CN201310594885A CN103592246A CN 103592246 A CN103592246 A CN 103592246A CN 201310594885 A CN201310594885 A CN 201310594885A CN 103592246 A CN103592246 A CN 103592246A
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Abstract
The invention discloses a body fluid pH value test method which comprises the following steps: incident light with designated wavelength is irradiated on a pH value detection component coated with the to-be-tested body fluid, and reflected or penetrated via the pH value detection component to form emergent light; a luminous intensity measurement device is utilized to measure the intensity value of the emergent light; the pH value of the to-be-tested body fluid is obtained according to the relational expression of the measured intensity value of the emergent light and the pH value, and the relational expression is measured in advance. The invention further discloses a device for realizing the body fluid pH value test method. The body fluid pH value test method is simple to operate and accurate in test result. Through tiny amount of body fluid, the device for realizing the test method can accurately measure the pH value, stores relative data, and can monitor a user on a long-term basis.
Description
Technical field
The present invention relates to health care technology field, relate in particular to a kind of pH value of body method of testing and device.
Background technology
The blood of Healthy People is to be weakly alkaline, and pH value, between 7.35 to 7.45, is generally alkaline physique.General newborn baby belongs to alkalescent body fluid, but along with undesired life and eating habit in external environmental pollution and body, people's physique transfers acidity gradually to.Alkalescence physique person approximately only accounts for total crowd's 10% left and right, and the pH value of more people's body fluid is below 7.35, the sub-health state of health between health and disease, the person that is medically called acidic constitution.Compare with alkaline physique person, acidic constitution person often can feel that health is tired, is losing one's memory, absent minded, and pain in low back and legs, can not check again the cause of disease to examination in hospital, if do not noted improving, will continue to develop into disease.When people's body fluid pH value is lower than neutral 7 time, will produce major disease, drop at 6.9 o'clock, will become plant person, as while only having 6.8-6.7, people will be dead.Domestic 70% people has acidic constitution according to incompletely statistics.
Cancer allows people fear, but not can not cure completely, as long as note the potential of hydrogen of own health in daily eating habit, just can prevent the invasion and attack of all kinds of cancers.From the angle analysis of science, cancer is all survived in acid body fluid, and acid if physique is, the morbidity rate of cancer can be larger, and if physique is weak base, the probability of cancer reduces greatly.Even if suffered from cancer, as long as the pH value of adjusting health is to alkalescent, also can cure to a certain extent cancer.Therefore, the long-term system monitoring of pH value of human body is a very meaningful thing that obtains.
At present, the Measurement accuracy of human body acid-base degree is generally to obtain corresponding pH value by blood gas analysis, but this method trouble and expense are higher, be unfavorable for long term monitoring, user also can carry out by naked eyes, comparing after test paper measurement to urine, saliva by test strips, this method error is large, accuracy is low, is also unfavorable for long-term monitoring.
Summary of the invention
For addressing the deficiencies of the prior art, the object of the present invention is to provide a kind of device that detects at least quickly and accurately the method for pH value of body and realize the method.
For achieving the above object, one aspect of the present invention provides a kind of pH value of body method of testing, comprises the following steps:
The incident illumination of specific wavelength is mapped in the potential of hydrogen detection components that is coated with body fluid to be measured, this incident light, via described potential of hydrogen detection components reflection or transmission, forms emergent light;
Utilize measuring device of light intensity to measure outgoing light intensity value;
According to the relational expression of the emergent light intensity of measuring in advance and pH value, obtain the pH value of body fluid to be measured.
Alternatively, according to method of testing of the present invention, also comprise: the incident light of specific wavelength is irradiated to respectively in the potential of hydrogen detection components that is coated with different pH value with identical intensity, the emergent light intensity measuring acidity and alkalinity in detection components, to obtain in advance the light intensity of emergent light and the relational expression between body fluid pH value to be measured.
Alternatively, according to method of testing of the present invention, described body fluid to be measured is saliva, blood or urine.
Alternatively, according to method of testing of the present invention, described potential of hydrogen detection components is pH test paper or pH test piece.
Alternatively, according to method of testing of the present invention, described incident light wavelength is 350-1300nm.
The present invention provides a kind of pH value of body proving installation on the other hand, and it comprises:
Light source cell, the light of transmitting specific wavelength;
Optical detecting unit, detect by described light source cell, launched and through the light of reflection or transmission, and generate the electric signal that represents light intensity;
The dismountable potential of hydrogen detection components arranging between described light source cell and described optical detecting unit; The irradiation that wherein said light source cell sends outgoing after described potential of hydrogen detection components;
Data processing unit, processes described electric signal, according to the predefined relational expression about light intensity and pH value of body, draws the pH value of body fluid to be measured.
Alternatively, according to proving installation of the present invention, described device further comprises main control chip, is arranged to control the work of described light source cell, optical detecting unit and described data processing unit, to coordinate the operation of each parts.
Alternatively, according to proving installation of the present invention, described potential of hydrogen detection components is pH test paper or pH test piece.
Alternatively, according to proving installation of the present invention, described device further comprises display screen, in order to the pH value of body fluid is shown.
Alternatively, according to proving installation of the present invention, described optical detecting unit comprises connected successively photoelectric sensor, signal processor and signal picker.
PH value of body method of testing of the present invention is simple to operate, and test result is accurate.Realize the device of above-mentioned method of testing by micro-body fluid, just can to pH value, measure accurately, and relevant data are stored, can monitor for a long time user.
Accompanying drawing explanation
By reading below detailed description of the preferred embodiment, various other advantage and benefits will become cheer and bright for those of ordinary skills.Accompanying drawing is only for the object of preferred implementation is shown, and do not think limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of pH value of body method of testing of the present invention;
Fig. 2 is the operation chart of a kind of embodiment of pH value of body method of testing of the present invention;
Fig. 3 is the operation chart of the another kind of embodiment of pH value of body method of testing of the present invention;
Fig. 4 is the graph of relation of intensity of reflected light and pH value in a kind of embodiment; And
Fig. 5 is the structural representation of pH value of body proving installation of the present invention.
Embodiment
Below in conjunction with accompanying drawing and concrete embodiment, the invention will be further described.
The invention provides a kind of pH value of body method of testing, the method proposes based on spectrophotometric ratio juris, the solution of different pH values can show different colours in pH test paper or pH test piece, the incident light of a certain wavelength is impinged upon in pH test paper or pH test piece with identical intensity, will be different to the absorption intensity of light, by measuring outgoing light intensity, can quantize corresponding pH value.Described incident light wavelength is 350-1300nm, with the incident light of identical wavelength, with identical intensity, irradiates potential of hydrogen detection components.Wherein, described incident light can be the light of a wavelength, can also be the mixed light of formation of the light of a plurality of wavelength.
Particularly, pH value of body method of testing of the present invention comprises the following steps: first start step S1100, the incident illumination of specific wavelength is mapped in the potential of hydrogen detection components that is coated with body fluid to be measured, this incident light, via described potential of hydrogen detection components reflection or transmission, forms emergent light; Form after reflected light or transmitted light, enter step S1200, utilize measuring device of light intensity to measure outgoing light intensity value; Finally enter step S1300, according to the relational expression of the emergent light intensity of measuring in advance and pH value, obtain the pH value of body fluid to be measured.By the method, can measure exactly pH value of human body, and simple to operate.
Wherein, described emergent light intensity can be obtained by following steps from the relational expression of pH value: the solution of known different pH values is coated in respectively in different potential of hydrogen detection components, in each potential of hydrogen detection components, apply the solution of a pH value, and the pH value of each solution is all different.The incident light of specific wavelength is irradiated to respectively in the potential of hydrogen detection components that is coated with different pH value with identical intensity, measure the emergent light intensity in each potential of hydrogen detection components, to obtain in advance the light intensity of emergent light and the relational expression between body fluid pH value to be measured.
Described emergent light can be reflected light, and Fig. 1 shows the schematic diagram that incident illumination reflects away after potential of hydrogen detection components.As shown in Figure 1, after the solution of known pH value or body fluid to be measured are coated in potential of hydrogen detection components, incident light oblique illumination, in potential of hydrogen detection components, is reflected away afterwards, this catoptrical intensity is measured.Wherein, the angle of inclination of incident light and described potential of hydrogen detection components is less than 90 °.For example, pH value is respectively to 4,5,6,7,8,9,10 solution is coated in respectively in 7 potential of hydrogen detection components, and the incident light that is 460nm by wavelength irradiates respectively in described potential of hydrogen detection components with identical intensity, measure the catoptrical intensity on each potential of hydrogen assembly, be respectively 9.2,6.1,4.3,2.9,1.9,1.1,0.5.Take pH value as horizontal ordinate, and intensity of reflected light is ordinate, obtains in advance the pH value shown in Fig. 3 and the relation curve of intensity of reflected light.Body fluid to be measured is coated in new potential of hydrogen detection components, the variable color that reacts of reagent on body fluid and assembly, after treating colour stable, again incident light is radiated on potential of hydrogen assembly with identical intensity, then measure catoptrical intensity, by pH value light intensity graph of relation, obtained the pH value of body fluid to be measured.
Described emergent light can be transmitted light, and Fig. 2 shows the incident illumination schematic diagram that transmission is gone out after potential of hydrogen detection components.As shown in Figure 2, after the solution of known pH value or body fluid to be measured are coated in potential of hydrogen detection components, by incident light with the angular illumination perpendicular to described potential of hydrogen detection components in potential of hydrogen detection components, be transmitted away the ionization meter to this transmitted light afterwards.Also can measure the transmitted intensity of the potential of hydrogen detection components of a plurality of solution that are coated with known pH value, obtain in advance transmitted intensity and pH value graph of relation, then measure the transmitted intensity of the potential of hydrogen detection components that is coated with body fluid to be measured, obtain the pH value of body fluid.
In order to guarantee the stability of the emergent light of light source module transmitting, can on light source module, install filter or evenly mixing device additional, thereby make emission wavelength and the intensity stabilization of emergent light.Meanwhile, can also, according to Beer law, by the absorbance of test paper or test piece, carry out the test of pH value.That is, by measurement, be coated with the test paper of known pH value solution or the absorbance of test piece, obtain the relational expression of absorbance and pH value.When measuring the pH value of body fluid to be measured, measure and be coated with the test paper of this body fluid or the absorbance of test piece, can calculate by above-mentioned relation formula the pH value of body fluid.By absorbance measuring, can eliminate the unstable measuring error of bringing of emergent light emissive porwer, further increased the accuracy detecting.
When testing by absorbance, the light source that can also introduce specific wavelength carries out reference, to eliminate the impact of background, improves accuracy in detection.For example, λ
1specific absorption wavelength for reaction product in pH test paper or test piece; λ
2for reference wavelength, the light of this wavelength is constant to the absorption of predetermined substance.According to Beer law, use λ
1absorbance A
1deduct λ
2absorbance A
2obtain absorbance difference A.Measure the absorbance difference of known different pH value, obtain the relational expression of absorbance difference and pH value.While measuring the pH value of body fluid to be measured, measure and be coated with the test paper of this body fluid or the absorbance difference of test piece, can calculate by above-mentioned relation formula the pH value of body fluid.The more than explanation for adopting the light of 2 wavelength to carry out, user can select the light of 3 wavelength and multi-wavelength to design.
In method of testing of the present invention, described body fluid to be measured is saliva, blood or urine.Described blood can be finger tip blood, and saliva, urine can be saliva, the urina sanguinis gathering on an empty stomach.Described potential of hydrogen detection components is pH test paper or pH test piece.On pH test paper, there are methyl red, bromcresol green, these three kinds of indicator of thymol blue.Methyl red, bromcresol green, thymol blue and phenolphthalein are the same, all variable colors according to certain rules in the solution of different pH values.PH test piece is the flaky material wherein containing with pH test paper same composition, and by the fluid drips of different pH values, in this test piece time, metachromasia identical with pH test paper can occur for it.
In order to realize above-mentioned method of testing, the present invention also provides a kind of pH value of body proving installation.Fig. 4 illustrates the structural representation of proving installation of the present invention.As shown in Figure 4, described proving installation comprises main control chip 400 and is connected to light source cell 100, optical detecting unit 300 and the data processing unit 500 on described main control chip.The light of described light source cell 100 transmitting specific wavelengths, optical detecting unit 300 detect by described light source cell 100 transmittings and through the light of reflection or transmission and generate the electric signal that represents light intensity, 500 pairs of described electric signal of data processing unit are processed, according to the predefined relational expression about light intensity and pH value of body, draw the pH value of body fluid to be measured.Be arranged to control the work of described light source cell 100, optical detecting unit 300 and described data processing unit 500, to coordinate the operation of each parts.
Between described light source cell 100 and described optical detecting unit 300, be provided with potential of hydrogen detection components 200, described potential of hydrogen detection components 200 is dismountable, for example, a slot that can hold described potential of hydrogen detection components can be set between described light source cell and optical detecting unit, thereby can easily potential of hydrogen detection components be inserted and be taken out.Described light source 100 provides incident light, and by main control chip, can control the unlatching of incident light or close, and incident light wavelength and intensity of illumination.After incident light transmitting, drop in potential of hydrogen detection components and be then reflected or transmission.Described optical detecting unit 300 is arranged in the illumination range of this emergent light or transmitted light, thereby can detect reflected light or transmission light intensity.The light intensity signal data transmission that optical detecting unit 300 detects is to main control chip, after main control chip is processed, being delivered to data processing unit 500 processes, the data of handling are fed back to main control chip, and gained result can show as required, store or other operations.
Particularly, described optical detecting unit comprises connected successively photoelectric sensor 310, signal processing module 320 and signal acquisition module 330.Described photoelectric sensor 310 receives the light that is reflected or transmitted by potential of hydrogen detection components, converts light signal to electric signal and is transferred to signal processing module 320 afterwards.320 pairs of electric signal of described signal processing module are delivered to signal acquisition module after processing, and after available signal is gathered, feed back to main control chip, control data processing module carry out data processing by main control chip.
For pH value of body is monitored for a long time, can in described proving installation, data storage cell be set, in order to store each detection data, the variation of monitoring pH value of body, described data storage cell is connected with described main control chip.The result feedback that described data processing unit 500 calculates is to main control chip, and described data storage cell obtains this result and stores in main control chip.
Except test data being stored in to proving installation itself, can also a data transmission unit 600 be set itself at described proving installation, for being transferred to external units such as PC or movable storage device, test data preserves.Described data transmission unit 600 communicates to obtain test data with described main control chip.The transmission of data can adopt wired or wireless mode to carry out, and for example, can on described data transmission unit, be provided with external interface, for connection data transmission equipment, carries out data transmission.
For observation test result easily, described proving installation comprises display screen 700 further, and described display screen 700 is connected with described main control chip 400, for showing the potential of hydrogen testing result of body fluid.Described main control chip receives after the result of data processing module feedback, and the pH value recording is presented on described display screen.Can also be in proving installation voice coding module and loudspeaker, the result recording is reported with the form of voice.
PH value of body pick-up unit of the present invention can be measured the pH value of human body exactly by micro-body fluid, simple to operate, and the data of test can be stored, user is monitored for a long time, in the process of monitoring, can also to user's diet, carry out suggestion in real time by corresponding software kit, and whether reminding user needs to carry out further examination in hospital.
It should be noted, the present invention will be described rather than limit the invention for above-described embodiment, and those skilled in the art can design alternative embodiment in the situation that do not depart from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and is not listed as element or step in the claims.The use of word first, second and C grade does not represent any order, can be title by these word explanations.
Claims (10)
1. a pH value of body method of testing, comprises the following steps:
The incident illumination of specific wavelength is mapped in the potential of hydrogen detection components that is coated with body fluid to be measured, this incident light, via described potential of hydrogen detection components reflection or transmission, forms emergent light;
Utilize measuring device of light intensity to measure outgoing light intensity value;
According to the relational expression of the emergent light intensity of measuring in advance and pH value, obtain the pH value of body fluid to be measured.
2. method of testing according to claim 1, also comprises:
The incident light of specific wavelength is irradiated to respectively in the potential of hydrogen detection components that is coated with different pH value with identical intensity, the emergent light intensity measuring acidity and alkalinity in detection components, to obtain in advance the light intensity of emergent light and the relational expression between body fluid pH value to be measured.
3. method of testing according to claim 1, wherein, described body fluid to be measured is saliva, blood or urine.
4. method of testing according to claim 1, wherein, described potential of hydrogen detection components is pH test paper or pH test piece.
5. method of testing according to claim 1, wherein, the incident light wavelength of described specific wavelength is 350nm-1300nm.
6. a pH value of body proving installation, it comprises:
Light source cell (100), the light of transmitting specific wavelength;
Optical detecting unit (300), detect by described light source cell (100) transmitting and through the light of reflection or transmission, and generate the electric signal that represents light intensity;
The dismountable potential of hydrogen detection components (200) arranging between described light source cell (100) and described optical detecting unit (300); The irradiation that wherein said light source cell (100) sends is in described potential of hydrogen detection components (200) outgoing afterwards;
Data processing unit (500), processes described electric signal, according to the predefined relational expression about light intensity and pH value of body, draws the pH value of body fluid to be measured.
7. device according to claim 6, wherein, described device further comprises main control chip (400), is arranged to control the work of described light source cell (100), optical detecting unit (300) and described data processing unit (500), to coordinate the operation of each parts.
8. device according to claim 6, wherein, described potential of hydrogen detection components is pH test paper or pH test piece.
9. device according to claim 6, wherein, described device further comprises display screen (700), in order to the pH value of body fluid is shown.
10. device according to claim 6, wherein, described optical detecting unit (300) comprises connected successively photoelectric sensor (310), signal processor (320) and signal picker (330).
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| CN201310594885.8A CN103592246A (en) | 2013-11-22 | 2013-11-22 | Body fluid pH value test method and device |
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| CN201310594885.8A CN103592246A (en) | 2013-11-22 | 2013-11-22 | Body fluid pH value test method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717052A (en) * | 2015-12-15 | 2016-06-29 | 美的集团股份有限公司 | Household appliance, material state change detection method and material state change detection device |
| CN106338511A (en) * | 2016-09-18 | 2017-01-18 | 国网福建省电力有限公司 | Device and method for automatically testing acid value of insulation paper for transformer |
| CN111024644A (en) * | 2019-12-13 | 2020-04-17 | 华侨大学 | Single-wavelength-based rapid optical detection method and device for pH value of water |
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| JPS59196445A (en) * | 1983-04-22 | 1984-11-07 | Toshiba Corp | Acid-concentration measuring apparatus |
| CN2109570U (en) * | 1991-12-21 | 1992-07-08 | 山东新华医疗器械厂 | Automatic analyser for urine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717052A (en) * | 2015-12-15 | 2016-06-29 | 美的集团股份有限公司 | Household appliance, material state change detection method and material state change detection device |
| CN106338511A (en) * | 2016-09-18 | 2017-01-18 | 国网福建省电力有限公司 | Device and method for automatically testing acid value of insulation paper for transformer |
| CN111024644A (en) * | 2019-12-13 | 2020-04-17 | 华侨大学 | Single-wavelength-based rapid optical detection method and device for pH value of water |
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Address after: 430075 Optics Valley biological city, No. 666, hi tech Avenue, East Lake New Technology Development Zone, Hubei, Wuhan, C2-1 Applicant after: WUHAN YOUZHIYOU MEDICAL TECHNOLOGY CO., LTD. Address before: 430075, Hubei Wuhan Development Zone, East Lake hi tech Avenue 666, Wuhan international bio industry base project B, C and D District R & D building Applicant before: Wuhan YZY Biopharma Co., Ltd. |
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Application publication date: 20140219 |