CN206627437U - A kind of immersion transceiver all optical fibre structure liquid turbidity detection means - Google Patents
A kind of immersion transceiver all optical fibre structure liquid turbidity detection means Download PDFInfo
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- CN206627437U CN206627437U CN201720292259.7U CN201720292259U CN206627437U CN 206627437 U CN206627437 U CN 206627437U CN 201720292259 U CN201720292259 U CN 201720292259U CN 206627437 U CN206627437 U CN 206627437U
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- transceiver
- probe
- optical fiber
- detection
- immersion
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Abstract
The utility model provides a kind of immersion transceiver all optical fibre structure liquid turbidity detection means, including transceiver all -fiber probe and signal control process module, the transceiver all -fiber probe, which includes Y types probe fibre bundle and probe tip, the signal control process module, includes controller, drive circuit, laser, single-photon detector, signal processor, memory and display.The utility model popped one's head in by the use of transceiver all -fiber replace traditional circulator as after zero degree to the receiving terminal of transmitted light, realize miniaturization all optical fibre structure detection, the advantages of with high sensitivity, strong antijamming capability, the detection in remote, narrow working environment space is easily achieved, the water quality detection equipment for the miniaturization of Mobile portable formula provides technical guarantee.
Description
Technical field
Concentration of suspension detection technique field in ambient water is the utility model is related to, specifically a kind of immersion transceiver
All optical fibre structure liquid turbidity detection means.
Background technology
With the development of industrial and agricultural production and urban construction, the growth of population and the raising of living standards of the people, water is used
Amount and quantity of wastewater effluent all increase considerably.Because substantial amounts of industrial wastewater and sanitary sewage are discharged into river water, water environment matter
Severe exacerbation is measured, surface water and groundwater is by different degrees of pollution.The current detection to concentration of suspension in water in the world
Method includes traditional Weight, optical sensor, laser diffraction, remote sensing etc..Optical method is found by contrasting and studying more
Add be adapted in real time monitoring water in concentration of suspension, the detection being more applicable under some particular surroundings, and future it is light, can carry
The developing direction of turbidity instrument.
Current various turbidimetry systems both domestic and external are all difficult under small space and the special mal-condition of environment
Online turbidimetry, for example narrow oil well is detected, in general measuring system all can not be normal because of bulky
Work, only way can only be insinuated into place to be measured by the probe of transceiver and be detected.This detection mode is not only full
Foot and avoids the unstability of signal processing circuit in particular circumstances, ensure that in the condition of narrow space work
The accuracy and antijamming capability of measurement result.
In order to tackle problems set forth above, some new detection modes are suggested, such as Chinese utility model patent
ZL201210401753.4 proposes a kind of optical fiber type laser liquid turbidity meter and measuring method, using circulator with up to
To the purpose of transceiver.Due to the working characteristics of circulator, the reverse optical signal that obtains is repressed, therefore the light letter obtained
Number seldom, the scope very little of detection, and the volume of circulator is relatively large, is unfavorable for the collection of narrow range and detecting system
Into.
Utility model content
The purpose of this utility model is to provide a kind of immersion transceiver all optical fibre structure liquid turbidity detection means,
The deficiency of existing water turbidity e measurement technology is made up, especially solves that existing measuring apparatus can not speed real-time measurement, volume be huge soon
Greatly, the problems such as not portable, poor anti-interference.
The technical solution of the utility model is：
A kind of immersion transceiver all optical fibre structure liquid turbidity detection means, the device include transceiver all -fiber
Probe and signal control process module, the transceiver all -fiber probe includes Y types probe fibre bundle and probe tip, described
Signal control process module includes controller, drive circuit, laser, single-photon detector, signal processor, memory and shown
Show device；
The Y types probe fibre bundle converges structure by some luminous source optical fiber beams and some detection optical fiber beams by fiber coupler
Into the pool side of the Y types probe fibre bundle and probe tip nested encryptions, the probe tip offer some walls to be circumferential
The hollow cylindrical structure in hole, it is internally located at the rear end of Y types probe fibre bundle pool side and is sequentially provided with lens and level crossing；
The output end of the controller is connected by the input of drive circuit and laser, the output end of the laser
It is connected by optical patchcord with luminous source optical fiber beam, the detection optical fiber beam passes through optical patchcord and the input of single-photon detector
Connection, the output end of the single-photon detector are connected by the input of signal processor and memory, the memory with
The interactive connection of controller, the output end of the controller and the input of signal processor, the input of display connect.
Described immersion transceiver all optical fibre structure liquid turbidity detection means, when the device is low for detecting turbidity
When the prepare liquid of certain threshold value, the number of the luminous source optical fiber beam is less than the number of detection optical fiber beam；When the device is used to examine
When survey turbidity is higher than the prepare liquid of certain threshold value, the number of the luminous source optical fiber beam is more than the number of detection optical fiber beam.
Described immersion transceiver all optical fibre structure liquid turbidity detection means, the luminous source optical fiber beam and detection light
Geometry of the fine beam in the convergence end section of Y types probe fibre bundle is distributed as uniform well-regulated shape.
Described immersion transceiver all optical fibre structure liquid turbidity detection means, the probe tip use extinction material
It is prepared by material.
Described immersion transceiver all optical fibre structure liquid turbidity detection means, the level crossing to Y types probe light
The distance at fine beam convergence end is between 0~10cm.
Described immersion transceiver all optical fibre structure liquid turbidity detection means, the level crossing to Y types probe light
The distance at fine beam convergence end is 5cm.
The beneficial effects of the utility model are：
（1）The utility model only needs probe tip immersing prepare liquid when detecting, without other auxiliary equipments to be measured
Liquid is acquired so that and it is simple in construction, it is easy to miniaturization and low cost, using detection mode is immersed, avoids the wall of sample cell
The influence of thick size and relative position to scattering region, improves the degree of accuracy of detection；
（2）The utility model is easy to integrate and minimized using the structure type of transceiver, low cost, is easy to
Detection in small space, transceiver all -fiber probe is all optical fibre structure, avoids the interference of external environment, improves and be
The signal to noise ratio of system；
（3）The utility model passes through the number to luminous source optical fiber beam and detection optical fiber beam and the geometry in convergence end section
Distribution is selected, and is expanded measurement range, can neatly be used under various particular cases, while increase does not make work
The volume and cost of skill difficulty and device；
（4）The making material of transceiver all -fiber probe of the present utility model can use resistant to elevated temperatures optical fiber, be applicable
Under the conditions of high temperature Turbidity measurement, therefore the detection occasion in fixed high temperature oil field can be applied, while the structure being miniaturized
In terms of may apply to mobile water source Turbidity measurement.
Brief description of the drawings
Fig. 1 is apparatus structure schematic diagram of the present utility model；
Fig. 2 is the three-dimensional view of probe tip of the present utility model；
Fig. 3 is the sectional view of Y types probe fibre bundle pool side of the present utility model；
Fig. 4 is the distribution sectional view of luminous source optical fiber beam of the present utility model；
Fig. 5 is the distribution sectional view of detection optical fiber beam of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings the utility model is further illustrated with specific embodiment.
As shown in Fig. 1~Fig. 5, a kind of immersion transceiver all optical fibre structure liquid turbidity detection means, including transmitting-receiving
Integral all -fiber probe 1 and signal control process module 2, wherein, transceiver all -fiber probe 1 includes Y types probe fibre bundle
11 and probe tip 12, signal control process module 2 includes controller 21, drive circuit 22, laser 23, single-photon detector
24th, signal processor 25, memory 26 and display 27.
Y types probe fibre bundle 11 passes through fiber coupler by some luminous source optical fiber beams 111 and some detection optical fiber beams 112
113 convergences are formed, and the pool side of Y types probe fibre bundle 11 and the nested encryptions of probe tip 12, probe tip 12 open up to be circumferential
There is the hollow cylindrical structure of some cinclides 121, be prepared using light absorbent, it is internally located at Y types probe fibre bundle 11 and converged
The rear end at poly- end is sequentially provided with lens 122 and level crossing 123.
The output end of controller 21 is connected by drive circuit 22 with the input of laser 23, the output end of laser 23
It is connected by optical patchcord with luminous source optical fiber beam 111, detection optical fiber beam 112 is defeated by optical patchcord and single-photon detector 24
Enter end connection, the output end of single-photon detector 24 is connected by signal processor 25 with the input of memory 26, memory
26 are connected with the interactive mode of controller 21, the output end of controller 21 and the input of the input, display 27 of signal processor 25
End connection.
Be placed on the level crossing 123 of the lower bottom part of probe tip 12 to the distance of Y types probe fibre bundle 11 pool side 0~
Between 10cm, that is, the focal length for being placed on the lens 122 of the upper bottom portion of probe tip 12 should be between 0~10cm.Preferably, plane
The distance of mirror 123 to Y types probe fibre bundle 11 pool side is 5cm.
Operation principle of the present utility model：
While controller 21 is controlled to whole device, constant intensity control is carried out to laser 23, to avoid light
Strong change impacts to experimental result.
Controller 21 controls the optical excited laser 23 of drive circuit 22 to send laser signal, and Y is transferred to through luminous source optical fiber beam 111
The pool side of type probe fibre bundle 11, incided after being placed on the focusing of lens 122 of the upper bottom portion of probe tip 12 from cinclides 121
Flow into the prepare liquid inside probe tip 12, then the reflection of the level crossing 123 by being placed on the lower bottom part of probe tip 12, then
It is secondary to incide in prepare liquid, complete the transmission back of coming in the inside prepare liquid of probe tip 12, increase detection light path.Last laser
Signal is emitted to the pool side of Y types probe fibre bundle 11, and single-photon detector 24, laser letter are transferred to through detection optical fiber beam 112
Number it is converted into photonic pulsed signals.Photonic pulsed signals pass through the processing of signal processor 25, obtain the deposit of photon pulse number
Memory 26 is standby.Controller 21 calls the demarcation relation between the photon pulse number and turbidity to be prestored in memory 26 to be finally inversed by
The turbidity of prepare liquid, it is stored in memory 26 and is shown on display 27, finally realize the Turbidity measurement work(of transceiver
Energy.
Detection means described by the utility model is before use, operating personnel need to demarcate it, to obtain light
Demarcation relation between subpulse number and turbidity, calibration process mainly include：
The probe tip 12 cleaned is successively immersed in one group of formal chaste tree titer with gradient difference turbidity, it is first
First, controller 21 closes laser 23 by drive circuit 22, in the case of gauge without light source, transceiver all -fiber 1 nothing of probe
Laser signal transmission is to signal control process module 2.Because transceiver all -fiber probe 1 is all optical fibre structure, single-photon detecting
Survey device 24 and receive only few external interference signal, interference signal conversion after the processing of signal processor 25 obtains corresponding each
Substrate photon pulse number under turbidity standard；
Then, laser 23 is started by drive circuit 22 by controller 21, in the case where there is light source, laser signal leads to
Cross in the prepare liquid that luminous source optical fiber beam 111 is incided in probe tip 12, swashed by what the reception transmission of detection optical fiber beam 112 was returned
Optical signal, signal processor（25）To single-photon detector（24）The laser signal detected is handled, and conversion obtains now
Total photon pulse number, substrate photon pulse number corresponding to removal, obtain corresponding photon pulse number；
Finally, formal is drawn as ordinate, while using titer turbidity value as abscissa using the photon pulse number of detection
The relation curve of the corresponding photon pulse number change of chaste tree titer turbidity change, and the relation curve to drawing carries out exponential fitting,
Obtain the demarcation relation between photon pulse number and turbidity.
Y types probe fibre bundle 11 is divided into luminous source optical fiber beam 111 and detection using the bifurcation structure of flexible fibre bundle configuration
Fibre bundle 112.Laser signal is imported by luminous source optical fiber beam 111, and the level crossing 123 through prepare liquid and the lower bottom part of probe tip 12 is anti-
The laser signal come is emitted back towards, is received by detection optical fiber beam 112 and is transferred to signal control process module 2.Luminous source optical fiber beam 111 passes
The laser signal that defeated laser 23 is sent, the laser signal that the detection transmission of exploring laser light beam 112 is returned, realizes that all optical fibre structure is received
Send out the effect of one.Number assignment based on two kinds of fibre bundles and the geometry distribution in convergence end section（It is uniformly regular）,
The fibre bundle combination of diversified forms can be designed to.
Above-mentioned multiple combinations can neatly be useful in it is following some it is specific in the case of：
When detection means detection compared with low turbidity prepare liquid when, by reduce the number of luminous source optical fiber beam 111 reduce into
Light intensity is penetrated, increases convergence end cross-sectional area, the laser that preferably detection transmission is returned by increasing the number of detection optical fiber beam 112
Signal, now the number of luminous source optical fiber beam 111 is fewer than the number of detection optical fiber beam 112.
When detection means detection higher turbidity prepare liquid when, by increase the number of luminous source optical fiber beam 111 improve into
Light intensity is penetrated, convergence end cross-sectional area is reduced by reducing the number of detection optical fiber beam 112, more effectively avoids intense incident light simultaneously
The laser signal that detection useful transmission is returned, now the number of luminous source optical fiber beam 111 will than the number of detection optical fiber beam 112
It is more.
When the prepare liquid in detection means detection special pore size distribution, by changing luminous source optical fiber beam 111 and detection optical fiber beam
112 number forms the convergence end section of aperture patterns, while takes into account both above situation, final to determine two kinds of fibre bundles
Number and the geometry distribution in convergence end section.
Transceiver all -fiber probe 1 of the present utility model is using Y types probe fibre bundle 11, probe tip 12 and optical fiber
The all optical fibre structure of wire jumper, realize the detection function of the transceiver of zero degree transmitted light.With reference to single-photon detecting survey technology and zero degree
Backward optical signal transmissive detection principle, the relation between prepare liquid turbidity and transmitted light intensity meet the finger that lambert Bill projects law
Number relation, realize the immersion detection of liquid turbidity under complex environment.The utility model was popped one's head in for 1 generation using transceiver all -fiber
Detected for traditional circulator as after zero degree to the receiving terminal of transmitted light, realization miniaturization all optical fibre structure.Utilize optical fiber
Pliability, anti-interference and producibility, whole detection means have the advantages of high sensitivity, strong antijamming capability, are easy to real
The detection in now remote, narrow working environment space, technology guarantor is provided for the water quality detection equipment of Mobile portable formula miniaturization
Barrier.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, the guarantor that claims of the present utility model determine all should be fallen into
In the range of shield.
Claims (6)
- A kind of 1. immersion transceiver all optical fibre structure liquid turbidity detection means, it is characterised in that：The device includes transmitting-receiving Integral all -fiber probe（1）With signal control process module（2）, the transceiver all -fiber probe（1）Including Y types probe light Fine beam（11）And probe tip（12）, the signal control process module（2）Including controller（21）, drive circuit（22）, swash Light device（23）, single-photon detector（24）, signal processor（25）, memory（26）And display（27）；The Y types probe fibre bundle（11）By some luminous source optical fiber beams（111）With some detection optical fiber beams（112）Pass through optical fiber coupling Clutch（113）Convergence is formed, the Y types probe fibre bundle（11）Pool side and probe tip（12）Nested encryptions, the spy Head tip（12）Some cinclides are offered to be circumferential（121）Hollow cylindrical structure, its be internally located at Y types probe fibre bundle（11） The rear end of pool side is sequentially provided with lens（122）And level crossing（123）；The controller（21）Output end pass through drive circuit（22）With laser（23）Input connection, the laser （23）Output end pass through optical patchcord and luminous source optical fiber beam（111）Connection, the detection optical fiber beam（112）Pass through optical patchcord With single-photon detector（24）Input connection, the single-photon detector（24）Output end pass through signal processor（25） With memory（26）Input connection, the memory（26）With controller（21）Interactive mode connection, the controller（21） Output end and signal processor（25）Input, display（27）Input connection.
- 2. immersion transceiver all optical fibre structure liquid turbidity detection means according to claim 1, it is characterised in that： When the device is less than the prepare liquid of certain threshold value for detecting turbidity, the luminous source optical fiber beam（111）Number less than detection Fibre bundle（112）Number；When the device is higher than the prepare liquid of certain threshold value for detecting turbidity, the luminous source optical fiber beam （111）Number be more than detection optical fiber beam（112）Number.
- 3. immersion transceiver all optical fibre structure liquid turbidity detection means according to claim 1, it is characterised in that： The luminous source optical fiber beam（111）With detection optical fiber beam（112）In Y types probe fibre bundle（11）Convergence end section on geometry point Cloth is uniform well-regulated shape.
- 4. immersion transceiver all optical fibre structure liquid turbidity detection means according to claim 1, it is characterised in that： The probe tip（12）Prepared using light absorbent.
- 5. immersion transceiver all optical fibre structure liquid turbidity detection means according to claim 1, it is characterised in that： The level crossing（123）To Y types probe fibre bundle（11）The distance of pool side is between 0~10cm.
- 6. immersion transceiver all optical fibre structure liquid turbidity detection means according to claim 5, it is characterised in that： The level crossing（123）To Y types probe fibre bundle（11）The distance of pool side is 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720292259.7U CN206627437U (en) | 2017-03-24 | 2017-03-24 | A kind of immersion transceiver all optical fibre structure liquid turbidity detection means |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720292259.7U CN206627437U (en) | 2017-03-24 | 2017-03-24 | A kind of immersion transceiver all optical fibre structure liquid turbidity detection means |
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| CN206627437U true CN206627437U (en) | 2017-11-10 |
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|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588508A (en) * | 2021-07-30 | 2021-11-02 | 中国科学技术大学 | Threaded connection type optical fiber aerosol concentration measurement probe and concentration measurement device |
-
2017
- 2017-03-24 CN CN201720292259.7U patent/CN206627437U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588508A (en) * | 2021-07-30 | 2021-11-02 | 中国科学技术大学 | Threaded connection type optical fiber aerosol concentration measurement probe and concentration measurement device |
| CN113588508B (en) * | 2021-07-30 | 2023-03-10 | 中国科学技术大学 | Threaded connection type optical fiber aerosol concentration measurement probe and concentration measurement device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171110 Effective date of abandoning: 20230321 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171110 Effective date of abandoning: 20230321 |