CN109781672A - A kind of strength of fluid recognition methods and equipment - Google Patents
A kind of strength of fluid recognition methods and equipment Download PDFInfo
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- CN109781672A CN109781672A CN201910204285.3A CN201910204285A CN109781672A CN 109781672 A CN109781672 A CN 109781672A CN 201910204285 A CN201910204285 A CN 201910204285A CN 109781672 A CN109781672 A CN 109781672A
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Abstract
This application discloses a kind of strength of fluids to identify equipment, including light source, for being irradiated to fluid to be measured；Photosensitive sensor is voltage-mode analog values for receiving the light through the fluid to be measured, and according to the intensity-conversion of the light；Processor, for obtaining the voltage-mode analog values and the voltage-mode analog values being converted to voltage digital value；It is compared with the voltage being obtained ahead of time with concentration corresponding relationship according to the voltage digital value, to obtain the concentration of the fluid to be measured.Strength of fluid in the application identifies equipment, use occasion and environment are not specially required, it is simple to operate with process, it only needs laboratory maintenance personnel to execute the concentration irradiated to fluid to be measured progress light source and fluid to be measured can be obtained, alleviates the workload of laboratory maintenance personnel.In addition, the application also provides a kind of strength of fluid recognition methods having the above advantages.
Description
Technical field
This application involves chemical experiment the field of test technology, more particularly to a kind of strength of fluid recognition methods and equipment.
Background technique
In Health Service Laboratory and chemical laboratory, the management of reagent chemicals has special custodial staff and stringent pipe
Reason system.The reagent bottle of no concentration label cannot be thrown out without care without authorization, disorderly fallen, it is necessary to can be disposed after chemical treatment.
For having concentration label but not used reagent bottle before the use, needs just to can determine that by chemical measurement current dense for a long time
Degree, and the reagent in some reagent bottles have be illuminated by the light the characteristics such as perishable, volatile, the concentration through reagent after a period of time
It can change as time goes by.
Laboratory maintenance personnel need certain energy and time, especially relatively large laboratory to the concentration identification of reagent
The time and efforts for generally requiring to spend custodial staff more is gone to manage and is responsible for.In the prior art, the concentration of reagent is carried out
The absorbance that the method used generally first measures reagent is measured, is converted further according to absorbance, and then obtain the dense of reagent
Degree, so that the workload of laboratory maintenance personnel is very heavy.
Summary of the invention
The purpose of the application is to provide a kind of strength of fluid recognition methods and equipment, to mitigate the work of laboratory maintenance personnel
It measures.
In order to solve the above technical problems, the application provides a kind of strength of fluid identification equipment, comprising:
Light source, for being irradiated to fluid to be measured；
Photosensitive sensor is for receiving the light through the fluid to be measured, and according to the intensity-conversion of the light
Voltage-mode analog values；
Processor, for obtaining the voltage-mode analog values and the voltage-mode analog values being converted to voltage digital value；According to
The voltage digital value is compared with the voltage being obtained ahead of time with concentration corresponding relationship, to obtain the dense of the fluid to be measured
Degree.
Optionally, the photosensitive sensor is 4 line photosensitive sensors.
Optionally, the strength of fluid identifies equipment further include:
Display device, for showing the concentration of the obtained fluid to be measured.
Optionally, the light source is visible light source or infrared light supply.
Optionally, the processor is to use STM32 chip for the processor of main control chip.
The application also provides a kind of strength of fluid recognition methods, comprising:
Fluid to be measured is irradiated using light source；
Photosensitive sensor receives the light through the fluid to be measured, and is voltage analog by the intensity-conversion of the light
Value；
Processor obtains the voltage-mode analog values, and the voltage-mode analog values are converted to voltage digital value；According to described
Voltage digital value is compared with the voltage being obtained ahead of time with concentration corresponding relationship, to obtain the concentration of the fluid to be measured.
Optionally, the processor obtains the voltage-mode analog values, and the voltage-mode analog values are converted to voltage digital
Value includes:
The processor obtains the current voltage analogue value in real time, and the current voltage analogue value is converted to current voltage
Digital value；
The processor judges whether the current voltage digital value is more than predetermined voltage range, if so, giving up described
Current voltage digital value, if it is not, then retaining the current voltage digital value, until of the current voltage digital value retained
Number reaches preset threshold；
The processor obtains the average value of multiple current voltage digital values as voltage digital value.
Optionally, after the concentration for obtaining the fluid to be measured, further includes:
The processor sends the concentration of the fluid to be measured to display device.
Strength of fluid provided herein identifies equipment, including light source, for being irradiated to fluid to be measured；Photosensitive biography
Sensor is voltage-mode analog values for receiving the light through the fluid to be measured, and according to the intensity-conversion of the light；Processing
Device, for obtaining the voltage-mode analog values and the voltage-mode analog values being converted to voltage digital value；According to the voltage digital
The voltage for being worth and being obtained ahead of time is compared with concentration corresponding relationship, to obtain the concentration of the fluid to be measured.The application passes through
Fluid to be measured is irradiated using light source, the light that photosensitive sensor will transmit through fluid to be measured is converted into voltage-mode analog values, and processor is again
Voltage-mode analog values are converted into voltage digital value, then according to voltage digital value in the voltage and concentration corresponding relationship being obtained ahead of time
It compares, the concentration of fluid to be measured can be obtained, it is only necessary to which laboratory maintenance personnel execute and are irradiated to fluid to be measured
The concentration of fluid to be measured can be obtained in this operation, very easy, alleviates the workload of laboratory maintenance personnel.In addition, this
Application also provides a kind of strength of fluid recognition methods having the above advantages.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present application or the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this Shen
Some embodiments please for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of strength of fluid identification equipment provided by the embodiment of the present application；
Fig. 2 is a kind of flow chart of strength of fluid recognition methods provided by the embodiment of the present application；
Fig. 3 is the flow chart of another kind strength of fluid recognition methods provided by the embodiment of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, with reference to the accompanying drawings and detailed description
The application is described in further detail.Obviously, described embodiments are only a part of embodiments of the present application, rather than
Whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
Just as described in the background section, in the prior art, laboratory maintenance personnel measure the concentration of reagent
The method of use generally first measures the absorbance of reagent, is converted, and then obtain the concentration of reagent, is made further according to absorbance
The workload for obtaining laboratory maintenance personnel is very heavy.
In view of this, this application provides a kind of strength of fluids to identify equipment, referring to FIG. 1, Fig. 1 is the embodiment of the present application
A kind of structural schematic diagram of provided strength of fluid identification equipment, the equipment 1 include:
Light source 11, for being irradiated to fluid to be measured 2；
It should be noted that be not particularly limited in the present embodiment to the type of light source 11, depending on fluid to be measured 2 concentration and
It is fixed.For example, fluid to be measured lower for concentration, light source 11 can use visible light source, such as LED light；It is higher for concentration
Fluid to be measured, light source 11 can infrared light supply relatively strong using penetrability, being not susceptible to scattering.
Photosensitive sensor 12, for receiving the light through the fluid to be measured 2, and according to the intensity-conversion of the light
For voltage-mode analog values；
Processor 13, for obtaining the voltage-mode analog values and the voltage-mode analog values being converted to voltage digital value；Root
It is compared with the voltage being obtained ahead of time with concentration corresponding relationship according to the voltage digital value, to obtain the fluid to be measured 2
Concentration.
It should be pointed out that the interference of ambient in order to prevent, strength of fluid identification equipment generally one is closed not
The space of light transmission.
Strength of fluid provided by the present embodiment identifies equipment, including light source 11, for being irradiated to fluid to be measured 2；
Photosensitive sensor 12 is voltage-mode for receiving the light through the fluid to be measured 2, and according to the intensity-conversion of the light
Analog values；Processor 13, for obtaining the voltage-mode analog values and the voltage-mode analog values being converted to voltage digital value；According to institute
It states voltage digital value to compare with the voltage being obtained ahead of time with concentration corresponding relationship, to obtain the concentration of the fluid to be measured 2.
For the present embodiment by irradiating fluid to be measured 2 using light source 11, the light that photosensitive sensor 12 will transmit through fluid to be measured 2 is converted into electricity
Voltage-mode analog values are converted into voltage digital value again by pressing mold analog values, processor 13, are then being obtained ahead of time according to voltage digital value
Voltage compared with concentration corresponding relationship, the concentration of fluid to be measured 2 can be obtained, it is only necessary to which laboratory maintenance personnel hold
Row is irradiated this operation to fluid to be measured and the concentration of fluid to be measured can be obtained, very easy, alleviates laboratory maintenance
The workload of personnel.
Preferably, on the basis of the above embodiments, in one embodiment of the application, the photosensitive sensor 12 is
4 line photosensitive sensors, the purpose using 4 line photosensitive sensors are that since 4 line photosensitive sensors have, precision is high, body
Product is small, and low in energy consumption, signal is clean, the advantage that waveform is good and driving capability is strong, so that the accuracy of voltage-mode analog values improves,
Voltage digital value accuracy is high, so that the concentration of the fluid to be measured 2 arrived is more accurate, it is also possible that strength of fluid identifies
Equipment volume is small, portable, reduces power consumption.
Based on any of the above embodiments, in one embodiment of the application, strength of fluid identification equipment is also wrapped
It includes:
Display device, for showing the concentration of the obtained fluid to be measured 2.
Specifically, display device includes display screen, and the row's needle being arranged at the back side of display screen, row's needle by conducting wire with
Processor is connected, to show the concentration of fluid to be measured.Preferably, display screen is LCD1602 TTF display screen.
Preferably, based on any of the above embodiments, in one embodiment of the application, the processor 13 is
Use STM32 chip for the processor of main control chip.Purpose using STM32 chip is, STM32 have high-performance, low cost,
Low-power consumption, the advantages that can cutting, so that strength of fluid identification equipment process performance is high, manufacturing cost is low, and small power consumption.
The application also provides a kind of strength of fluid recognition methods, referring to FIG. 2, Fig. 2 is provided by the embodiment of the present application
A kind of flow chart of strength of fluid recognition methods, this method comprises:
Step S101: fluid to be measured is irradiated using light source；
It should be pointed out that the type of the light source of use is not specifically limited in this step, it can be according to fluid to be measured
Depending on concentration.For example, fluid to be measured lower for concentration, light source can use visible light source, such as LED light；For concentration
Higher fluid to be measured, light source can infrared light supplies relatively strong using penetrability, being not susceptible to scattering.
Step S102: photosensitive sensor receives the light through the fluid to be measured, and by the intensity-conversion of the light
For voltage-mode analog values；
Light penetrates fluid to be measured, and some light can be absorbed by fluid to be measured, so that the received light of photosensitive sensor is strong
Degree can be weakened, and the concentration of fluid to be measured, light can be to the received light of photosensitive sensor through the thickness of fluid to be measured
Intensity has an impact, and in order to guarantee to test unicity, when measuring the concentration of same fluid to be measured, should ensure that light through tested
The consistency of thickness of liquid.
It should be pointed out that being not specifically limited in the present embodiment to the type of the photosensitive sensor utilized.In order to obtain
The concentration of more accurate fluid to be measured can use 4 line photosensitive sensors.
Step S103: processor obtains voltage-mode analog values, and the voltage-mode analog values are converted to voltage digital value；According to
The voltage digital value is compared with the voltage being obtained ahead of time with concentration corresponding relationship, to obtain the dense of the fluid to be measured
Degree.
Specifically, processor obtains voltage-mode analog values, the analog-digital converter (ADC) in the main control chip of processor is by voltage
The analogue value is converted to voltage digital value；It is carried out pair further according to voltage digital value and the voltage that is obtained ahead of time and concentration corresponding relationship
Than obtaining the concentration of fluid to be measured.
Principal function calls initialization function to carry out just each pin of main control chip first in the main control chip of processor
Beginningization, configurable clock generator function, enabled pin, main body carry out real-time measurement using endless loop.
It should be noted that being not specifically limited in the present embodiment to voltage and concentration corresponding relationship, depend on the circumstances, example
Such as, voltage and concentration corresponding relationship can be the form of table, be also possible to the form of curve.
It may also be noted that the voltage being obtained ahead of time is different from concentration corresponding relationship, i.e., for different fluids to be measured
Each fluid to be measured corresponds to a kind of voltage and concentration corresponding relationship.
Voltage and the corresponding relationship of concentration obtain by the following method: surveying to multiple fluids to be measured of known concentration
Amount, obtains multiple corresponding voltage values.Wherein, when obtaining the voltage of experimental comparison group (fluid to be measured concentration is 0), i.e., to quilt
The solvent for surveying liquid measures, for example, measuring to obtain electricity to distilled water when the solvent of fluid to be measured is distilled water
Pressure value measures ether to obtain voltage value when the solvent of fluid to be measured is ether.
Strength of fluid recognition methods provided by the present embodiment, by irradiating fluid to be measured, photosensitive sensor using light source
The light that will transmit through fluid to be measured is converted into voltage-mode analog values, and voltage-mode analog values are converted into voltage digital value again by processor, so
It is compared afterwards according to voltage digital value in the voltage being obtained ahead of time and concentration corresponding relationship, the dense of fluid to be measured can be obtained
Degree, it is only necessary to laboratory maintenance personnel execution is irradiated this operation to fluid to be measured and the concentration of fluid to be measured can be obtained,
It is very easy, alleviate the workload of laboratory maintenance personnel.
Preferably, on the basis of the above embodiments, in one embodiment of the application, the processor obtains voltage
The analogue value, and the voltage-mode analog values are converted into voltage digital value and include:
The processor obtains the current voltage analogue value in real time, and the current voltage analogue value is converted to current voltage
Digital value；
The processor judges whether the current voltage digital value is more than predetermined voltage range, if so, giving up described
Current voltage digital value, if it is not, then retaining the current voltage digital value, until of the current voltage digital value retained
Number reaches preset threshold；
The processor obtains the average value of multiple current voltage digital values as voltage digital value.
Specifically, in embodiment, predetermined voltage range is 0V to 3.3V (or 5v), including endpoint value.Certainly, this reality
It applies example to be not specifically limited in this embodiment, the voltage range of other numerical value can also be arranged to.
Multiple current voltage numbers for meeting predetermined voltage range are selected in strength of fluid recognition methods provided by the present embodiment
Word value, using the average value of multiple current voltage digital values as voltage digital value, and then according to voltage digital value be obtained ahead of time
Voltage compared with concentration corresponding relationship, obtain the concentration of fluid to be measured, reduce the dry of experimental implementation or other factors
It disturbs, so that the concentration of fluid to be measured is more accurate, is more nearly the true value of the concentration of fluid to be measured.
Referring to FIG. 3, Fig. 3 is the flow chart of another kind strength of fluid recognition methods provided by the embodiment of the present application, it should
Method includes:
Step S201: fluid to be measured is irradiated using light source；
Step S202: photosensitive sensor receives the light through the fluid to be measured, and by the intensity-conversion of the light
For voltage-mode analog values；
Step S203: processor obtains voltage-mode analog values, and the voltage-mode analog values are converted to voltage digital value；According to
The voltage digital value is compared with the voltage being obtained ahead of time with concentration corresponding relationship, to obtain the dense of the fluid to be measured
Degree.
Step S204: the processor sends the concentration of the fluid to be measured to display device.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part
Explanation.
Strength of fluid recognition methods provided herein and device are described in detail above.It is used herein
The principle and implementation of this application are described for specific case, and the above embodiments are only used to help understand originally
The method and its core concept of application.It should be pointed out that for those skilled in the art, not departing from this Shen
Please under the premise of principle, can also to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the application power
In the protection scope that benefit requires.
Claims (8)
1. a kind of strength of fluid identifies equipment characterized by comprising
Light source, for being irradiated to fluid to be measured；
Photosensitive sensor is voltage for receiving the light through the fluid to be measured, and according to the intensity-conversion of the light
The analogue value；
Processor, for obtaining the voltage-mode analog values and the voltage-mode analog values being converted to voltage digital value；According to described
Voltage digital value is compared with the voltage being obtained ahead of time with concentration corresponding relationship, to obtain the concentration of the fluid to be measured.
2. strength of fluid as described in claim 1 identifies equipment, which is characterized in that the photosensitive sensor is that 4 line systems are photosensitive
Sensor.
3. strength of fluid as claimed in claim 2 identifies equipment, which is characterized in that further include:
Display device, for showing the concentration of the obtained fluid to be measured.
4. strength of fluid as described in any one of claims 1 to 3 identifies equipment, which is characterized in that the light source is visible light
Source or infrared light supply.
5. strength of fluid as claimed in claim 4 identifies equipment, which is characterized in that the processor is using STM32 chip
For the processor of main control chip.
6. a kind of strength of fluid recognition methods characterized by comprising
Fluid to be measured is irradiated using light source；
Photosensitive sensor receives the light through the fluid to be measured, and is voltage-mode analog values by the intensity-conversion of the light；
Processor obtains the voltage-mode analog values, and the voltage-mode analog values are converted to voltage digital value；According to the voltage
Digital value is compared with the voltage being obtained ahead of time with concentration corresponding relationship, to obtain the concentration of the fluid to be measured.
7. strength of fluid recognition methods as claimed in claim 6, which is characterized in that the processor obtains the voltage analog
Value, and the voltage-mode analog values are converted into voltage digital value and include:
The processor obtains the current voltage analogue value in real time, and the current voltage analogue value is converted to current voltage number
Value；
The processor judges whether the current voltage digital value is more than predetermined voltage range, if so, giving up described current
Voltage digital value, if it is not, then retaining the current voltage digital value, until the number of the current voltage digital value retained reaches
To preset threshold；
The processor obtains the average value of multiple current voltage digital values as voltage digital value.
8. strength of fluid recognition methods as claimed in claims 6 or 7, which is characterized in that the acquisition fluid to be measured
After concentration, further includes:
The processor sends the concentration of the fluid to be measured to display device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910204285.3A CN109781672A (en) | 2019-03-18 | 2019-03-18 | A kind of strength of fluid recognition methods and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910204285.3A CN109781672A (en) | 2019-03-18 | 2019-03-18 | A kind of strength of fluid recognition methods and equipment |
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| CN109781672A true CN109781672A (en) | 2019-05-21 |
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| CN201910204285.3A Pending CN109781672A (en) | 2019-03-18 | 2019-03-18 | A kind of strength of fluid recognition methods and equipment |
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| CN101680842A (en) * | 2007-05-01 | 2010-03-24 | 兴和株式会社 | Apparatus for measuring gelation and sample cell |
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| CN105699337A (en) * | 2016-04-11 | 2016-06-22 | 厦门理工学院 | Light transmittance detecting device |
| CN105891160A (en) * | 2016-04-22 | 2016-08-24 | 华中科技大学 | Portable water quality testing device and water quality testing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101680842A (en) * | 2007-05-01 | 2010-03-24 | 兴和株式会社 | Apparatus for measuring gelation and sample cell |
| CN101620182A (en) * | 2009-06-04 | 2010-01-06 | 南京大学 | Multi-wavelength nucleic acid protein chromatographic separation detecting system |
| CN202903666U (en) * | 2012-10-08 | 2013-04-24 | 宁波大学 | Singlechip-based hemoglobin concentration detecting system |
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Application publication date: 20190521 |