CN216284914U - Pipeline series ultraviolet ozone concentration detection device - Google Patents
Pipeline series ultraviolet ozone concentration detection device Download PDFInfo
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- CN216284914U CN216284914U CN202122532763.9U CN202122532763U CN216284914U CN 216284914 U CN216284914 U CN 216284914U CN 202122532763 U CN202122532763 U CN 202122532763U CN 216284914 U CN216284914 U CN 216284914U
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- ozone concentration
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- air chamber
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 22
- 239000010935 stainless steel Substances 0.000 claims description 22
- 238000005070 sampling Methods 0.000 claims description 12
- 230000009977 dual effect Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model relates to the technical field of gas detection based on an optical principle, in particular to a pipeline tandem type ultraviolet ozone concentration detection device which comprises an ozone gas inlet, a three-way connector, a needle valve, an anti-corrosion flowmeter, an ozone concentration sensor, an ozone destructor, a pressure sensor and an ozone gas outlet. The gas in the pipeline of the ozone generator can be directly connected into the ultraviolet ozone concentration detector, the ultraviolet ozone detector is internally provided with a three-way bypass connection and flow regulation of a needle valve, and the temperature and pressure compensation can convert the working condition concentration detected by the ozone concentration detector into standard condition concentration.
Description
Technical Field
The utility model relates to the technical field of gas detection based on an optical principle, in particular to a pipeline tandem type ultraviolet ozone concentration detection device.
Background
Scientists have found that the ozone layer absorbs ultraviolet light, and research has shown that ozone has a maximum absorption coefficient only for ultraviolet light of 253.7nm wavelength at which ultraviolet light is attenuated by ozone, according to the blue wave-beer law. This method has been used as a standard analysis method for ozone in countries such as the United states. The ozone detector adopts the principle of an ultraviolet absorption method, uses a stable ultraviolet lamp light source to generate ultraviolet rays, uses a light wave filter to filter ultraviolet rays with other wavelengths, and only allows the ultraviolet rays with the wavelength of 253.7nm to pass through. The sample passes through the photoelectric sensor and the ozone absorption cell and then reaches the sampling photoelectric sensor. The ozone concentration can be obtained by comparing the electric signals of the sample photoelectric sensor and the sampling photoelectric sensor and calculating through a mathematical model.
The conventional connection method of the ozone concentration detector is to connect the ozone concentration detector in a pipeline at the outlet of the ozone generator through a tee joint, the flow of the ozone concentration detector needs to be adjusted to be kept within a certain range, an ozone destructor is additionally arranged at the outlet of the ozone concentration detector to decompose ozone and then discharge the ozone to the atmosphere, but the conventional connection method wastes part of ozone gas.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a pipeline series type ultraviolet ozone concentration detection device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a pipeline serial-type ultraviolet ozone concentration detection device, includes the ozone air inlet, and the one end of this ozone air inlet is provided with main stainless steel three way connection ware, and the one end of main stainless steel three way connection ware is equipped with through needle type governing valve and assists stainless steel three way connection ware, and the one end of assisting stainless steel three way connection ware is provided with the ozone gas outlet, and anticorrosive flowmeter sets up in the one end of above-mentioned main stainless steel three way connection ware, just ozone concentration sensor is installed to anticorrosive flowmeter's one end, and this ozone concentration sensor's one end is provided with anticorrosive three way connection ware, and anticorrosive three way connection ware's output is equipped with ozone destructor, and pressure sensor is installed to one side of this ozone destructor.
Preferably, one side of the ozone concentration sensor is connected with a circuit main board, and the circuit main board is connected with a display screen.
Preferably, the ozone concentration sensor comprises an ultraviolet lamp tube module, a light guide light pool, a detection air chamber, a reference light photoelectric receiver, a sampling light photoelectric receiver, a light refraction sheet, a temperature sensor, an air chamber air inlet and an air chamber air outlet.
Preferably, the temperature sensor is connected to the circuit board.
Preferably, one end of the air chamber air inlet is connected with a detection air chamber, and one end of the detection air chamber is connected with an air chamber air outlet.
Preferably, the ozone concentration sensor adopts a dual-light-path structure.
Compared with the prior art, the utility model can realize that the gas of the pipeline of the ozone generator is directly connected into the ultraviolet ozone concentration detector, the ultraviolet ozone detector is internally provided with a three-way bypass connection and flow regulation of a needle type regulating valve, and temperature and pressure compensation is carried out, so that the working condition concentration detected by the ozone concentration detector can be converted into standard condition concentration.
Drawings
FIG. 1 is a schematic structural diagram of a pipeline tandem type ultraviolet ozone concentration detection device provided by the present invention;
fig. 2 is a schematic structural view of an ozone concentration sensor of a pipeline series ultraviolet ozone concentration detection device provided by the utility model.
In the figure: 1. ozone inlet, 2 ozone outlet, 3 main stainless steel three-way connector, 4 needle type regulating valve, 5 anticorrosive flowmeter, 6 ozone concentration sensor, 61 ultraviolet lamp tube module, 62 light guide light pool, 63 detection air chamber, 64 reference light photoelectric receiver, 65 sampling light photoelectric receiver, 66 light folding sheet, 67 temperature sensor, 68 air chamber inlet, 69 air chamber outlet, 7 anticorrosive three-way connector, 8 ozone destructor, 9 pressure sensor, 10 auxiliary stainless steel three-way connector, 11 circuit main board, 12 display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, an embodiment of the present invention provides a pipeline tandem type ultraviolet ozone concentration detection apparatus, including an ozone inlet 1, one end of the ozone inlet 1 is provided with a main stainless steel three-way connector 3, one end of the main stainless steel three-way connector 3 is provided with an auxiliary stainless steel three-way connector 10 through a needle type adjusting valve 4, one end of the auxiliary stainless steel three-way connector 10 is provided with an ozone outlet 2, an anti-corrosion flowmeter 5 is provided at one end of the main stainless steel three-way connector 3, one end of the anti-corrosion flowmeter 5 is provided with an ozone concentration sensor 6, one end of the ozone concentration sensor 6 is provided with an anti-corrosion three-way connector 7, an output end of the anti-corrosion three-way connector 7 is provided with an ozone destructor 8, one side of the ozone destructor 8 is provided with a pressure sensor 9, so as to directly connect gas of a pipeline of an ozone generator into the ultraviolet ozone concentration detector, the ultraviolet ozone detector is internally provided with a three-way bypass connection and a flow regulation of a needle type regulating valve 4, temperature and pressure compensation is carried out, the working condition concentration detected by the ozone concentration detector can be converted into standard condition concentration, the problem that the ozone concentration detector can be connected in series in a pipeline in the processes of ozone experiments, high-concentration ozone application and semiconductor ozone application can be solved, the real-time detection of the standard condition ozone concentration can be realized under the condition of not wasting ozone gas, and the gas detected by the ozone concentration detector returns to an ozone main pipeline again, so that the ozone gas is not wasted.
In the embodiment, one side of the ozone concentration sensor 6 is connected with a circuit board 11, the circuit board 11 is connected with a display screen 12, the ozone enters the circuit board 11 for calculation through signal acquisition, the concentration of the working condition ozone under the current pressure condition is converted into the concentration of the standard condition ozone with the temperature of 20 ℃ and the pressure of 101.325KPa through inverse compensation calculation, the signals of the ozone concentration sensor 6, the air chamber temperature sensor 67 and the pressure sensor 9 are subjected to signal processing through the circuit board 11, the concentration of the standard condition ozone is converted into the concentration of the standard condition, the standard condition ozone is connected with the external display screen 12 through an aviation plug, and the information of the concentration of the ozone, the temperature, the working condition pressure, the running time and the like is displayed in real time so as to be presented to a user.
Specifically, the ozone concentration sensor 6 includes an ultraviolet lamp module 61, a light guide cell 62, a detection air chamber 63, a reference photoelectric receiver 64, a sampling photoelectric receiver 65, a refraction sheet 66, a temperature sensor 67, an air chamber air inlet 68, and an air chamber air outlet 69.
Wherein, temperature sensor 67 is connected with circuit motherboard 11, and the one end of air chamber air inlet 68 is connected with detection air chamber 63, and the one end of detecting air chamber 63 is connected with air chamber gas outlet 69.
Further, the ozone concentration sensor 6 adopts a dual-optical path structure, ultraviolet light is divided into two paths of light after passing through a 45-degree refraction sheet, one path of light is refracted at 90 degrees and then receives signals through a reference photoelectric receiver 64, the signals of the reference light are used for monitoring the brightness of the lamp tube, and the other path of light passes through a detection air chamber 63 directly and then receives signals through a sampling photoelectric receiver 65. When no ozone exists, signals of the reference photoelectric receiver 64 and the sampling photoelectric receiver 65 are in a certain proportion and then substituted into the calculation, and according to the beer-lambert law, the concentration of the ozone is calculated by the principle that ultraviolet light can absorb the ultraviolet light.
In this embodiment, the bypass (the corrosion-resistant flowmeter 5, the ozone concentration sensor 6, the corrosion-resistant three-way connector 7, and the ozone breaker 8) is a polytetrafluoroethylene pipeline with a diameter of 4 × 2mm or 4 × 2.5mm, and when ozone gas is under a certain pressure, the flow of the thin pipe is blocked, so that a needle-type regulating valve 4 is additionally arranged on the main pipeline to regulate the flow entering the ozone concentration sensor 6 by regulating the pressure difference of the main pipeline.
Based on ozone gas at the outlet of an ozone generator for ozone experiments and semiconductor ozone water oxidation, the general flow range is 1-10L/min, all the gas can be introduced into an ozone gas inlet 1, then the ozone gas can be divided into two paths after passing through a main stainless steel three-way connector 3, and one path of gas passes through a needle type adjusting valve 4, then passes through an auxiliary stainless steel three-way connector 10 and then is discharged to an ozone application main pipeline through an ozone gas outlet 2; one path of gas passes through an anti-corrosion flowmeter 5, the flow of ozone entering an ozone concentration sensor 6 can be controlled by adjusting a knob of a needle-shaped adjusting valve 4, the flow should be controlled to be 0.5 +/-0.2L/min, ozone gas passes through the ozone concentration sensor 6, a temperature sensor is arranged in the ozone concentration sensor 6, the gas passes through the ozone concentration sensor 6 and then passes through an anti-corrosion three-way connector 7, one path of gas is branched to an ozone destructor 8, the ozone destructor 8 is connected with a pressure sensor 9, and the pressure of the ozone passing through the ozone concentration sensor 6 is sensed in real time (the purpose of adding the ozone destructor 8 at the front end of the pressure sensor 9 is to prolong the service life of the pressure sensor 9, so that the gas in contact with the pressure sensor is free of ozone gas after passing through the ozone destructor 8); the pressure sensor 9 obtains the pressure data of the current pipeline, the temperature sensor is arranged in the ozone concentration sensor 6 to obtain the temperature of the ozone gas in the current gas chamber, the detection system transmits the temperature, the pressure and the concentration data to the circuit main board 11, the signals are processed, and the ozone concentration of the current ozone under the standard condition (the pressure is 101.325KPa, and the temperature is 20 ℃) is calculated. Ozone gas is connected to the 10 stainless steel three-way connector after passing through the 7 stainless steel three-way connector, and the stainless steel three-way connector is connected to a main pipeline using ozone through the 2 ozone outlet.
An ultraviolet lamp tube module 61, a light guide light cell 62, a detection air chamber 63, a reference photoelectric receiver 64, a sampling photoelectric receiver 65, a refraction sheet 66, a temperature sensor 67, an air chamber air inlet 68 and an air chamber air outlet 69 are arranged in the ozone concentration sensor 6; ozone gas flows through the detection gas chamber 63 through the gas chamber inlet 68 and then flows out through the gas chamber outlet 69, an ultraviolet lamp tube and an optical filter are arranged in the ultraviolet lamp tube module 61, the ultraviolet lamp tube is enabled to emit ultraviolet light with the wavelength of 253.7nm all the time, the ultraviolet light with the wavelength of 253.7nm enters the light guide pool 62, then the ultraviolet lamp tube passes through the light folding sheet 66, one path of light passes through the 45-degree quartz sheet of the light folding sheet 66, part of the ultraviolet light with the wavelength of 253.7nm forms 90-degree refraction, signal collection is carried out through the reference light photoelectric receiver 64, the other path of light passes through the detection gas chamber 63, and signal collection is carried out through the sampling light photoelectric receiver 65 after the ozone gas passes through.
When ultraviolet light with the wavelength of 253.7nm passes through the detection air chamber 63, ozone gas in the air chamber absorbs a part of the ultraviolet light, so that the signal data intensity of the sampling photoelectric receiver 65 is reduced, and according to the beer-Lambert law, the system calculates the ozone concentration through an algorithm according to the signal data received by the reference photoelectric receiver 64 and the sampling photoelectric receiver 65.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Claims (6)
1. A pipeline series connection type ultraviolet ozone concentration detection device is characterized by comprising:
the ozone generator comprises an ozone inlet (1), wherein one end of the ozone inlet (1) is provided with a main stainless steel three-way connector (3), one end of the main stainless steel three-way connector (3) is provided with an auxiliary stainless steel three-way connector (10) through a needle-shaped adjusting valve (4), and one end of the auxiliary stainless steel three-way connector (10) is provided with an ozone outlet (2);
anticorrosive flowmeter (5), set up in the one end of above-mentioned main stainless steel tee junction ware (3), just ozone concentration sensor (6) are installed to the one end of anticorrosive flowmeter (5), and the one end of this ozone concentration sensor (6) is provided with anticorrosive tee junction ware (7), and the output of anticorrosive tee junction ware (7) is equipped with ozone destructor (8), and pressure sensor (9) are installed to one side of this ozone destructor (8).
2. The ultraviolet ozone concentration detection device in series connection with pipeline as claimed in claim 1, wherein one side of the ozone concentration sensor (6) is connected with a circuit board (11), and a display screen (12) is connected on the circuit board (11).
3. The ultraviolet ozone concentration detection device in series connection with a pipeline as claimed in claim 2, wherein the ozone concentration sensor (6) comprises an ultraviolet lamp tube module (61), a light guide light cell (62), a detection air chamber (63), a reference light photoelectric receiver (64), a sampling light photoelectric receiver (65), a light folding sheet (66), a temperature sensor (67), an air chamber air inlet (68) and an air chamber air outlet (69).
4. The in-line ultraviolet ozone concentration detection device as claimed in claim 3, wherein the temperature sensor (67) is connected to the circuit board (11).
5. The ultraviolet ozone concentration detection device in series connection with pipeline as claimed in claim 3 or 4, wherein one end of the air chamber air inlet (68) is connected with the detection air chamber (63), and one end of the detection air chamber (63) is connected with the air chamber air outlet (69).
6. The in-line ultraviolet ozone concentration detection device as claimed in claim 1, wherein the ozone concentration sensor (6) is a dual optical path structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532763.9U CN216284914U (en) | 2021-10-21 | 2021-10-21 | Pipeline series ultraviolet ozone concentration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532763.9U CN216284914U (en) | 2021-10-21 | 2021-10-21 | Pipeline series ultraviolet ozone concentration detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216284914U true CN216284914U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122532763.9U Active CN216284914U (en) | 2021-10-21 | 2021-10-21 | Pipeline series ultraviolet ozone concentration detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216284914U (en) |
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2021
- 2021-10-21 CN CN202122532763.9U patent/CN216284914U/en active Active
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 255000 Zhongnan High tech Creative Future Industrial Park, Huantai County, Zibo City, Shandong Province 51 # -02-301 Patentee after: Shandong Zhipu measurement and Control Technology Co.,Ltd. Country or region after: China Address before: 255000 span 1-3, 2 / F, No.3 workshop, Pioneer Park, Zibo science and Technology Industrial Park, Xishou, Sanying Road, Zhangdian District, Zibo City, Shandong Province Patentee before: Shandong Zhipu measurement and Control Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |