CN206496874U - A kind of online leakage monitoring instrument of water cooler based on optical fiber - Google Patents
A kind of online leakage monitoring instrument of water cooler based on optical fiber Download PDFInfo
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- CN206496874U CN206496874U CN201720034447.XU CN201720034447U CN206496874U CN 206496874 U CN206496874 U CN 206496874U CN 201720034447 U CN201720034447 U CN 201720034447U CN 206496874 U CN206496874 U CN 206496874U
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- optical fiber
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- fluorescence
- water cooler
- light
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Abstract
The utility model discloses a kind of online leakage monitoring instrument of water cooler based on optical fiber, including stretch into the shell of pipeline, shell with circuit unit, ultraviolet source, fluorescence detector, optical fiber and transmission lens；The transmission lens are installed on outer casing bottom, the ultraviolet source and fluorescence detector are connected with circuit unit, ultraviolet source connects UV-light path unit, fluorescence detector connects fluorescence channels unit, the UV-light path unit and fluorescence channels unit are connected with optical fiber, and optical fiber is in contact with transmission lens.The utility model completely cuts off influence of the pipeline internal medium temperature to optics using optical fiber, using ultraviolet fluorescence method, a variety of compensation techniques such as built-in dark current, instrument temperature and sample temperature, greatly improves the accuracy of testing result.
Description
Technical field
The utility model belongs to pipeline inspection technology field, and more particularly to a kind of water cooler based on optical fiber leaks prison online
Survey instrument.
Background technology
Water cooler is one of important production equipment of Petrochemical Enterprises.The water cooler meeting such as its tube sheet, tube bank in use
Cracked, perforated due to the change of the process conditions such as temperature, pressure, medium, the crackle in the environment of corrosion or high temperature
It can slowly develop, ultimately result in the generation of serious accident.Water cooler is once leaked, and is not only influenceed normal production, is caused
Economic loss, and the oil plant of leakage also pollutes the environment, etching apparatus, there is very big potential safety hazard.To leakage of water cooler
On-line real time monitoring has very high economic value and environmental protection value.Detection to Petrochemical Enterprises leakage of water cooler at present,
Lab analysis is arrived substantially after spot sampling, whole process is in the presence of very big hysteresis quality and because of sample state, temperature change
Cause testing result really to reflect actual conditions, easily produce erroneous judgement.And some existing online products can not often expire
The changeable operating mode of foot and sample requirement, it is impossible to accomplish high precision test, while application environment is also very limited.
The content of the invention
The purpose of this utility model is to be passed to solve the above problems there is provided one kind by using ultraviolet fluorescence method and optical fiber
The online leakage monitoring instrument of the water cooler based on optical fiber of defeated monitoring water cooler water side oil content.
Therefore, the technical solution of the utility model is：A kind of online leakage monitoring instrument of water cooler based on optical fiber, including stretch
Enter the shell of pipeline, it is characterised in that：There is circuit unit, ultraviolet source, fluorescence detector, optical fiber and transmissive mirror in shell
Piece；The transmission lens are installed on outer casing bottom, and the ultraviolet source and fluorescence detector are connected with circuit unit, ultraviolet
Radiant connects UV-light path unit, fluorescence detector connection fluorescence channels unit, the UV-light path unit and fluorescence
Path unit is connected with optical fiber, and optical fiber is in contact with transmission lens.
Further, the circuit unit connects a warming unit, and warming unit is arranged on outer casing bottom.
Further, the UV-light path unit is provided with exciting light optical filter and excites optical lens；The fluorescence channels
Unit is provided with transmitting light optical filter and transmitting optical lens.
Ultraviolet source described in the utility model can emitting ultraviolet light, UV-light path unit have convergence ultraviolet light
Line and it is spuious filter out effect, fluorescence detector has fluorescence reception ability, and fluorescence channels unit has convergence fluorescent light and miscellaneous
Dissipate and filter out effect, optical fiber can pass through ultraviolet light and fluorescence, transmission lens have explosion-proof capabilities, cleaning exciting unit has control
Cleaning function processed, lens cleaning unit has lens cleaning function, and warming unit has temperature detecting function, and circuit unit has
Self compensation and high-precision and high-stability, shell have explosion prevention function.
During utility model works, the ultraviolet light that circuit unit excitation ultraviolet source is sent, ultraviolet light sequentially passes through purple
Outer light-path unit, optical fiber and transmission lens, are then irradiated to the aqueous solution in pipeline, the fluorescence that the aqueous solution is inspired, successively
Through transmission lens, optical fiber and fluorescence channels unit, then received by fluorescence detector and luminous energy is changed into electric signal, circuit list
Member carries out the analyzing and processing such as self compensation to electric signal and the other data being collected into, and obtains the oil content in water outlet.
The utility model completely cuts off influence of the pipeline internal medium temperature to optics using optical fiber, and equipment instrument is compact,
Energy direct in-situ is installed, and safeguards more convenient.Using ultraviolet fluorescence method, built-in dark current, instrument temperature and sample temperature etc. are a variety of
Compensation technique, greatly improves the accuracy of testing result, also greatly reduces dependence of the equipment to environment, really does
To it is online, real-time, quickly and accurately monitor Petrochemical Enterprises leakage of water cooler.
Brief description of the drawings
It is described in further detail below in conjunction with accompanying drawing and embodiment of the present utility model
Fig. 1 is structural representation of the present utility model；
Fig. 2 is system layout figure of the present utility model.
Marked in figure：Xenon flash lamp 1, UV-light path unit 2, photomultiplier 3, fluorescence channels unit 4, optical fiber 5,
Sapphire eyeglass 6, warming sensor 7, detection circuit 8, shell 9, exciting light optical filter 10, excite optical lens 11, transmitting light filter
Mating plate 12, transmitting optical lens 13.
Embodiment
Referring to accompanying drawing.The present embodiment, which includes stretching into the shell of pipeline, shell, has circuit unit, ultraviolet source, glimmering
Photodetector, optical fiber 5 and transmission lens；Circuit unit is detection circuit 8, and ultraviolet source is xenon flash lamp 1, fluorescence detector
For photomultiplier 3, transmission lens are sapphire eyeglass 6, and the sapphire eyeglass 6 is installed on the bottom of explosion-resistant enclosure 9.The electricity
Road unit is also connected with a warming unit, and warming unit is warming sensor 7, and warming sensor 7 is arranged on explosion-resistant enclosure 9.
The xenon flash lamp 1 and photomultiplier 3 of the present embodiment are connected with detection circuit 8, the connection ultraviolet light of xenon flash lamp 1
Path unit 2, UV-light path unit 2 includes exciting light optical filter 10 and excites optical lens 11, UV-light path unit 2 and light
Fibre 5 is connected, and optical fiber 5 is in contact with sapphire eyeglass 6.
The connection fluorescence channels of photomultiplier 3 unit 4 of the present embodiment, the fluorescence channels unit 4 includes transmitting light filter
Mating plate 12 and transmitting optical lens 13；Fluorescence channels unit 4 is connected with optical fiber 5, and optical fiber 5 is in contact with sapphire eyeglass 6.
When the present embodiment works, the emitting ultraviolet light under the control of detection circuit 8 of xenon flash lamp 1, ultraviolet light is by exciting
After light optical filter 10 and the optical treatment for exciting optical lens 11, by optical fiber 5, finally pipeline is irradiated to through sapphire eyeglass 6
In testing medium on.Testing medium inspires fluorescence, and fluorescence is by sapphire eyeglass 6, by optical fiber 5, and is filtered by transmitting light
Enter photomultiplier 3 after the optical treatment of mating plate 12 and transmitting optical lens 13, light energy is converted to telecommunications by photomultiplier 3
Number it is transmitted to detection circuit 8.Circuit 8 is detected according to the electric signal and warming sensor 7 of photomultiplier 3 and other data messages,
Various Compensation Analysis processing are carried out to all data.Detection circuit 8 is calculated in current water after oil content data, by 4 ~
20mA or RS485 mode transfers data to host computer or data server.
Claims (3)
1. a kind of online leakage monitoring instrument of water cooler based on optical fiber, including stretch into the shell of pipeline, it is characterised in that：In shell
With circuit unit, ultraviolet source, fluorescence detector, optical fiber and transmission lens；The transmission lens are installed on outer casing bottom,
The ultraviolet source and fluorescence detector are connected with circuit unit, ultraviolet source connection UV-light path unit, fluorescence
Detector connects fluorescence channels unit, and the UV-light path unit and fluorescence channels unit be connected with optical fiber, optical fiber with it is saturating
Light microscopic piece is in contact.
2. a kind of online leakage monitoring instrument of water cooler based on optical fiber as claimed in claim 1, it is characterised in that：The circuit
Unit connects a warming unit, and warming unit is arranged on outer casing bottom.
3. a kind of online leakage monitoring instrument of water cooler based on optical fiber as claimed in claim 1, it is characterised in that：It is described ultraviolet
Light-path unit is provided with exciting light optical filter and excites optical lens；The fluorescence channels unit is provided with transmitting light optical filter and transmitting
Optical lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720034447.XU CN206496874U (en) | 2017-01-12 | 2017-01-12 | A kind of online leakage monitoring instrument of water cooler based on optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720034447.XU CN206496874U (en) | 2017-01-12 | 2017-01-12 | A kind of online leakage monitoring instrument of water cooler based on optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206496874U true CN206496874U (en) | 2017-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201720034447.XU Active CN206496874U (en) | 2017-01-12 | 2017-01-12 | A kind of online leakage monitoring instrument of water cooler based on optical fiber |
Country Status (1)
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| CN (1) | CN206496874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595982A (en) * | 2017-01-12 | 2017-04-26 | 杭州原创软件有限公司 | Water cooler on-line leakage monitor based on fiber |
-
2017
- 2017-01-12 CN CN201720034447.XU patent/CN206496874U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595982A (en) * | 2017-01-12 | 2017-04-26 | 杭州原创软件有限公司 | Water cooler on-line leakage monitor based on fiber |
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