CN207675633U - PH value of solution detection device based on spectrum analysis - Google Patents
PH value of solution detection device based on spectrum analysis Download PDFInfo
- Publication number
- CN207675633U CN207675633U CN201820041544.6U CN201820041544U CN207675633U CN 207675633 U CN207675633 U CN 207675633U CN 201820041544 U CN201820041544 U CN 201820041544U CN 207675633 U CN207675633 U CN 207675633U
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- Prior art keywords
- value
- solution
- spectrum
- spectrometer
- detection device
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Abstract
The pH value of solution detection device based on spectrum analysis that the utility model is related to a kind of, including light source, optical fiber, spectrum sample device, peristaltic pump, spectrometer, controller and temperature sensor, the light source is connected by optical fiber with the spectrum sample device, the spectrum sample device is connected by optical fiber with the spectrometer, the peristaltic pump is connected to by conduit between the spectrum sample device and sample to be tested solution, and the controller is connected with the spectrometer and the temperature sensor respectively.Compared with prior art, use the pH value of solution detection device based on spectrum analysis in the utility model, by analyzing spectral information, to predict solution ph, to achieve the purpose that detect solution ph, the country is solved the problems, such as in pH on-line checkings, described device has many advantages, such as that working range is big, rapid to the variation response of extraneous pH value.
Description
Technical field
The utility model is related to pH detection technique fields, in particular to a kind of pH value of solution based on spectrum analysis to detect dress
It sets.
Background technology
PH value is a kind of scale of hydrogen ion concentration in solution, that is, the measurement mark of well known solution acid alkalinity
It is accurate.In the application of the industries such as environmental protection, industry, medicine and food, pH value is very important parameter.Such as in environmental protection
In, pH value is to control an important indicator of sewage and industrial wastewater discharge.And in industrial processes, pH can be raw to industry
Production process influences, and directly influences the quality of final products.Therefore carrying out continuous on-line monitoring for pH value seems extremely important,
But the measurement of pH value and control difficulty are big, it may be said that are most difficult one of one-dimensional observing and controlling problems.
Utility model content
The utility model provides a kind of pH value of solution detection device based on spectrum analysis, and its object is to overcome existing skill
The defects of art, to predict solution ph, to achieve the purpose that detect solution ph, is solved by analyzing spectral information
The pH on-line checkings the problem of, described device has many advantages, such as that working range is big for the country, rapid to the variation response of extraneous pH value.
To achieve the goals above, the utility model has following constitute：
The pH value of solution detection device based on spectrum analysis, including light source, optical fiber, spectrum sample device, peristaltic pump, spectrum
Instrument, controller and temperature sensor, the light source are connected by optical fiber with the spectrum sample device, the spectrum sample dress
It sets and is connected with the spectrometer by optical fiber, the peristaltic pump is connected to the spectrum sample device by conduit and waits for test sample
Between this solution, the controller is connected with the spectrometer and the temperature sensor respectively.
Optionally, be provided in the spectrum sample device sample to be tested solution by sampling channel, the sampling is logical
Sensitive membrane is attached on road.
Optionally, described device further includes LCD display, and the LCD display is connected with the controller.
Optionally, the light source is halogen tungsten lamp.
Optionally, the spectrometer is marine optics USB2000+ spectrometers, and the spectrometer passes through USB data line and institute
The bottom plate for stating controller is connected.
Optionally, the controller uses AM3354 chips.
Compared with prior art, the pH value of solution detection device based on spectrum analysis in the utility model is used, is passed through
Spectral information is analyzed, to predict solution ph, to achieve the purpose that detect solution ph, solves the country in pH on-line checkings
The problem of, described device has many advantages, such as that working range is big, rapid to the variation response of extraneous pH value.
Description of the drawings
Fig. 1 is the structure diagram of the pH value of solution detection device based on spectrum analysis of the utility model；
Fig. 2 is the connection diagram of the controller of one embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the spectrum sample device of one embodiment of the utility model.
Specific implementation mode
In order to more clearly describe the technology contents of the utility model, come into traveling one with reference to specific embodiment
The description of step.
As illustrated in fig. 1 and 2, the utility model provides a kind of pH value of solution detection device based on spectrum analysis, including light
Source 1, optical fiber, spectrum sample device 2, peristaltic pump 6, spectrometer 3, controller 4 and temperature sensor 8, the light source 1 pass through optical fiber
It is connected with the spectrum sample device 2, the spectrum sample device 2 is connected by optical fiber with the spectrometer, described compacted
Dynamic pump 6 is connected to by conduit 7 between the spectrum sample device 2 and sample to be tested solution 10 in container 9, the control
Device processed is connected with the spectrometer and the temperature sensor respectively.
As shown in figure 3, further, be provided in the spectrum sample device 2 sample to be tested solution by sampling it is logical
Road 65 is attached with sensitive membrane 64 on the sampling channel 65.Further, described device further includes LCD display 5, the LCD
Display screen 5 is connected with the controller 4.The light source 1 is halogen tungsten lamp.The spectrometer 3 is marine optics USB2000+ light
Spectrometer, the spectrometer 3 are connected by USB data line with the bottom plate of the controller 4.The controller 4 controls for ARM
Device, using AM3354 chips.In Fig. 3,61 be wriggling pump interface, and 62 be peristaltic pump top, and 63 be peristaltic pump lower part, and 66 be optical fiber
Interface, 67 indicate optic path.
The light that the light source 1 is sent out is entered by optical fiber in spectrum sample device 2, and the peristaltic pump 6 is by sample to be tested
Solution 10 is pumped into the sampling channel 65 of the spectrum sample device 2, and sensitive membrane 64, the sensitivity are adhered on sampling channel 65
After film 64 is contacted with sample to be tested solution 10, the difference of the pH according to sample to be tested solution 10 will present out different colors, into
Enter the light path of the light of spectrum sample device 2 after the effect of sensitive membrane, can be spread out of by optical fiber, be connect by the micro spectrometer 3
It receives, spectroscopic data is transferred in the ARM controller 4 by micro spectrometer 3, and the ARM controller 4 can be received simultaneously from temperature
Spend the signal of sensor 8.The ARM controller 4 can according to the signal of temperature sensor 8 and the spectroscopic data of spectrometer 3
Obtain the pH value of sample to be tested solution.
The pH value of solution detection device based on spectrum analysis of the utility model, wherein used various functions module and knot
Structure is existing hardware product in the prior art, and therefore, the utility model is not related to the improvement to software approach.
In conclusion compared with prior art, using the pH value of solution detection based on spectrum analysis in the utility model
Device, to predict solution ph, to achieve the purpose that detect solution ph, solves the country and exists by analyzing spectral information
The problem of pH on-line checkings, described device have many advantages, such as that working range is big, rapid to the variation response of extraneous pH value.
In this description, the utility model is described with reference to its specific embodiment.But it is clear that still can be with
The spirit and scope that various modification can be adapted and converts without departing from the utility model.Therefore, the description and the appended drawings should be considered as
It is illustrative and not restrictive.
Claims (6)
1. a kind of pH value of solution detection device based on spectrum analysis, which is characterized in that including light source, optical fiber, spectrum sample device,
Peristaltic pump, spectrometer, controller and temperature sensor, the light source are connected by optical fiber with the spectrum sample device, institute
It states spectrum sample device by optical fiber to be connected with the spectrometer, the peristaltic pump is connected to the spectrum sample by conduit
Between device and sample to be tested solution, the controller is connected with the spectrometer and the temperature sensor respectively.
2. the pH value of solution detection device according to claim 1 based on spectrum analysis, which is characterized in that the spectrum sample
Be provided in device sample to be tested solution by sampling channel, be attached with sensitive membrane on the sampling channel.
3. the pH value of solution detection device according to claim 1 based on spectrum analysis, which is characterized in that described device is also wrapped
LCD display is included, the LCD display is connected with the controller.
4. the pH value of solution detection device according to claim 1 based on spectrum analysis, which is characterized in that the light source is halogen
Tungsten lamp.
5. the pH value of solution detection device according to claim 1 based on spectrum analysis, which is characterized in that the spectrometer is
Marine optics USB2000+ spectrometers, the spectrometer are connected by USB data line with the bottom plate of the controller.
6. the pH value of solution detection device according to claim 1 based on spectrum analysis, which is characterized in that the controller is adopted
With AM3354 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820041544.6U CN207675633U (en) | 2018-01-11 | 2018-01-11 | PH value of solution detection device based on spectrum analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820041544.6U CN207675633U (en) | 2018-01-11 | 2018-01-11 | PH value of solution detection device based on spectrum analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207675633U true CN207675633U (en) | 2018-07-31 |
Family
ID=62973503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820041544.6U Expired - Fee Related CN207675633U (en) | 2018-01-11 | 2018-01-11 | PH value of solution detection device based on spectrum analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207675633U (en) |
-
2018
- 2018-01-11 CN CN201820041544.6U patent/CN207675633U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20190111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |