CN109696423A - A kind of automatic switching range high-precision transmissometer - Google Patents
A kind of automatic switching range high-precision transmissometer Download PDFInfo
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- CN109696423A CN109696423A CN201710993506.0A CN201710993506A CN109696423A CN 109696423 A CN109696423 A CN 109696423A CN 201710993506 A CN201710993506 A CN 201710993506A CN 109696423 A CN109696423 A CN 109696423A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
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Abstract
The present invention provides a kind of automatic switching range high-precision transmissometers, including sensor, fluorescent tube and lamp plug；The fluorescent tube is threadedly coupled sensor and lamp plug；Light source, lens and filter plate are equipped in the sensor；The light source is by penetrating, reflect and three groups of measurements of reference are constituted；It penetrates and reflects front end for described pair and be respectively equipped with a lens and a filter plate.The transmissometer that the present invention designs is made of a light source and 3 receptions, including lower range, middle range and high range, and inside has a reference source to receive, and is realized the compensation to light decay, is automatically switched range；Meanwhile light source can according to variation adjust issue light brightness, solve light decay the phenomenon that；In addition, the instrument that the present invention can cooperate various commercially available 4-20ma or 485 to communicate is used together, and it is small in size, easy to operate, it is also equipped with write by hand device, is convenient for carrying, realizes mobile measurement.
Description
Technical field
The present invention relates to field of water quality detection, and specially one kind can be with the high-precision transmissometer of automatic switching range.
Background technique
It is also more and more to the concern of water pollution, water body environment with gradually increasing for modern society's people's environmental consciousness.
Wherein, turbidity is the important indicator of water quality assessment.Turbidity refers to obstruction degree when suspended matter penetrates light in water.It is hanged in water
Floating object generally comprises soil, sand grains, fine organic matter and inorganic matter, planktonic organism, microorganism and colloidal substance etc..Water it is turbid
Degree is not only related with the content of suspended material in water, also related with their size, shape and refraction coefficient etc..Due to containing in water
There are these substances, so that originally colorless and transparent water generates muddy and precipitating.In simple terms, turbidity is exactly the turbidity in water,
Transmissometer is exactly the instrument for measuring water turbidity.Transmissometer emits beam, and is passed through one section of water sample, and from incident light
How many scattered in light is detected on 90 ° of directions by the particulate matter in water.This scattering light measurement method is referred to as scattering method.Appoint
Really turbidity must all measure in such a way for what.Transmissometer is not only suitable for field and tests indoor measurement, is also applied for
Round-the-clock continuous monitoring.Transmissometer can also be set, be allowed to sound an alarm when surveyed turbidity value is beyond safety standard.
Traditional transmissometer is widely used in the turbidimetry of tap water and sewage, using scattering light or direct light principle,
Technology maturation, but the phenomenon that light decay can not be solved.When the Strength Changes of light, measurement can also change therewith, and common turbid
Degree instrument can not strain such case, to affect the precision of measurement.In addition, traditional transmissometer range is narrow, client is needed
Range is provided before order, producer produces product further according to range.In many cases, client oneself does not know oneself needs
Any range brings many unnecessary troubles.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of solution light decay phenomenon, measurement accuracy
High, automatic switching range transmissometer.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of automatic switching range high-precision transmissometer, including sensor, fluorescent tube and lamp plug, in which: fluorescent tube is threadedly coupled
Sensor and lamp plug；Sensor is divided into upper section and lower section, and two sections junction is equipped with one section of screw thread；Lamp plug be divided into head section and
Endpiece, two sections of junctions are equipped with one section of screw thread end to end；When connection, sensor lower section and lamp plug endpiece insertion fluorescent tube in and fluorescent tube
It is threadedly coupled.
Further, section center is equipped with one section of semicolumn figure notch on a sensor；In the top, left and the right side of notch
Side has a cylindrical hole through sensor；Wherein, be provided between top through-hole and left through-hole one it is inclined
Connecting hole, and the top through-hole right side is provided with the connecting hole for being parallel to right through-hole, right through-hole and left lead to the hole site phase
It is right；Meanwhile a lamp stick harness is respectively equipped in these three through-holes.
Further, lamp stick harness is divided into short lamp stick harness and long lamp stick harness；The quantity of short lamp stick harness is 2, is respectively arranged on top
In through-hole and left through-hole；Long lamp stick harness has one, is set in the through-hole of right.
Further, long lamp stick harness end is equipped with light source, and filter plate and lens are successively arranged before light source；And in short lamp plug
Top end is equipped with a lens, while also being provided with filter plate after the lens.
Further, light source uses 890nm infrared diode；Meanwhile light source is by penetrating, reflect and reference this three groups of measurements
It constitutes.
Further, on a sensor under the screw thread of lower two sections of junctions and the screw thread of two sections of junctions of lamp chock plug tail under
Equipped with a concave surface sealing ring, dual-seal is carried out to whole threaded connection.
Further, 24 A/D wiring boards are equipped in fluorescent tube.
Further, the deformation through-hole of perforation end to end is equipped in lamp plug.
The beneficial effects of the present invention are: (1) transmissometer is made of a light source and 3 receptions, including lower range, middle range
And high range, the refraction in 90 ° of directions of lower range, middle range and wide range be with to penetrating, and inside has a reference source to receive,
It realizes the compensation to light decay, automatically switches range；(2) light source can be according to refraction or the change to signal during penetrating
The phenomenon that changing, adjusting the brightness for issuing light, solve light decay extends maintenance period, improves durability degree；(3) different turbidity are measured
When liquid, measurement method (refraction, to penetrate) can be replaced automatically, and linearly more rationally, measurement accuracy is higher；(4) cooperate various
The instrument of the communication of commercially available 4-20ma or 485 is used together, and directly displays water turbidity, small in size, direct plunge into water and can grasp
Make, be also equipped with write by hand device, be convenient for carrying, realizes mobile measurement.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic diagram of the section structure of the invention.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Figure 1, a kind of automatic switching range high-precision transmissometer of the present invention, including sensor 1, fluorescent tube 2
With lamp plug 3, fluorescent tube 2 is threadedly coupled sensor 1 and lamp plug 3.
As shown in Fig. 2, sensor 1 divides for upper section and lower section.In 1 upper section centre of sensor, it is equipped with one section of semicylinder
The notch 4 of type has a cylindrical hole in the surface of notch 4, the left and right, these three through-holes have run through biography
Sensor 1.Wherein, it is provided with an inclined connecting hole 8a between through-hole 5 and left through-hole 6 above, and 5 right side of through-hole above
Also it is provided with the connecting hole 8b for being parallel to right through-hole 7.Meanwhile right through-hole 7 is opposite with the position of left through-hole 6, also
It is to say, left through-hole 6 is located at 7 front of right through-hole, constitutes light to the route penetrated；And top through-hole 5 is logical positioned at right
Right above 6 front of hole, the route of light refraction is constituted, and connecting hole 8 can increase optical path, light variation letter is concentrated in amplification
Breath.
In addition, being respectively equipped with one short lamp stick harness 9 in through-hole 5 and left through-hole 6 above, and set in right through-hole 7
There is one long lamp stick harness 10.In long 10 end of lamp stick harness, it is equipped with light source 11.Light source 11 is shone using 890nm infrared diode,
Transmitting light compares diverging, is more suitable for measuring.And in 11 front of light source, it is equipped with filter plate 12, filter plate 12 can filter visible light,
To guarantee the stabilization and precision of measurement.In long lamp stick harness 10, after light source 11 issues light, by filter plate 12, into one
Narrow passage, channel is narrow, can effectively prevent the reflection for light occur, influence measurement accuracy.By narrow passage, in long lamp stick harness
10 front ends, are additionally provided with lens 13, and lens 13 can gather the light sent for directional light, make to receive more stable.
Needs are used in order to meet, light source 11 is made of three groups of measurements, this three groups of measurements are to penetrating, reflect and reference.It is low
The refraction in 90 ° of directions of range, received signal increase with the increase of turbidity；Middle range and wide range are received with to penetrating
Meeting reduce with the increase of turbidity, meet various measurement situations, make measurement in all cases keep high-precision.In order to certainly
Dynamic switching range, increases the practicability of transmissometer, a reference is equipped in light source 11, to receive original signal.Original letter
Number a suitable signal strength can be estimated according to water body status.In use, according to refraction or to signal during penetrating
Variation, the electric current of the adjustable input light source 11 of reference, realizes the compensation to light decay, range is enable to automatically switch.Meanwhile
To the front end penetrated and reflected, that is, the receiving end of left through-hole 6 and top through-hole 5, a lens 13 are respectively equipped with, to will be micro-
Weak light signal is focused and a filter plate 12, further filters visible light.Certainly, it also is provided in lamp stick harness tail end
Sheet glass carries out waterproofing protection to it, improves the durability of equipment entirety.
In order to fasten whole device, 1 lower end diameter of sensor is less than the upper end, and in 1 upper and lower ends junction of sensor
Equipped with one section of screw thread.When sensor 1 is connect with fluorescent tube 2, lower end can be filled in fluorescent tube 2, and be equipped in contrast inside fluorescent tube 2
The screw thread answered can closely be connect with sensor 1.Identical, lamp plug 3 is also classified into head section and endpiece, and head section diameter is less than endpiece.
3 endpiece of lamp plug is equipped with one section of screw thread, can be inserted into fluorescent tube 2 and be threadedly coupled with it.In order to further be fastenedly connected place, in sensor
A concave surface sealing ring 14 is equipped with under lamp the plug 3 end to end screw thread of two sections of junctions under the screw thread of 1 two sections junction.This
A concave surface sealing ring 14 is a sealing hole of the inside with taper, plays dual sealing functions, moreover it is possible to it is high pressure resistant, it is put into hundred meters of deep-wells
It will not all reveal.
In order to handle measurement data, 24 A/D wiring boards 15 are equipped in fluorescent tube, it can be to cooperate various commercially available 4-
The instrument of the communication of 20ma or 485 is used together, and water turbidity can be directly displayed in instrument.Meanwhile inside lamp plug 3, if
There is the deformation through-hole 16 for penetrating through it end to end.The deformation through-hole 16 be according to equipment integrated light source 11, filter plate 12, lens 13 also
The reflection of light source 11 in water designs to control the interference of each optical path.
The present invention is small in size, direct plunges into water and can be operated.In use, 1 part of sensor is placed in water, that is,
It says, water body to be measured can be full of in notch 4.Meanwhile light source 11 issues light, by the filtering of filter plate 12 and gathering for lens 13
Coke is injected directional light in the water body of notch 4.When causing it to generate turbidity containing various substances in water body, various substances can make
Light scattering, generates to penetrating and reflect.Light generation can be transmitted to reference source to the signal penetrated and reflected, to change light source 11
Current strength, control light source 11 become strong or die down, and compensate light decay, and switching range completes measurement, and data can be via wiring board 15
Number is converted the signal to be shown on the computer or instrument of connection.The present invention is also equipped with write by hand device, is convenient for carrying, and realizes
Mobile measurement.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of automatic switching range high-precision transmissometer, including sensor, fluorescent tube and lamp plug, it is characterised in that: the fluorescent tube
It is threadedly coupled sensor and lamp plug；The sensor is divided into upper section and lower section；Sensor two sections junction is equipped with one
Section screw thread；The lamp plug is divided into head section and endpiece；Described two sections of junctions of lamp chock plug tail are equipped with one section of screw thread；Under the sensor
It is threadedly coupled in section and lamp plug endpiece insertion fluorescent tube with fluorescent tube.
2. a kind of automatic switching range high-precision transmissometer according to claim 1, it is characterised in that: on the sensor
Duan Zhongyang is equipped with one section of semicolumn figure notch；The top of the notch, the left and right have a cylindrical hole
Through sensor；A lamp stick harness is respectively equipped in the through-hole.
3. according to right want 2 described in a kind of automatic switching range high-precision transmissometer, it is characterised in that: the lamp stick harness is divided into
Short lamp stick harness and long lamp stick harness；The quantity of the short lamp stick harness is 2, is respectively arranged in top through-hole and left through-hole；The length
Lamp stick harness is set in the through-hole of right.
4. a kind of automatic switching range high-precision transmissometer according to claim 3, it is characterised in that: the long lamp stick harness
End is equipped with light source；Filter plate and lens are equipped with before the light source；The short lamp stick harness top is equipped with a lens；The short lamp
Filter plate is equipped with after stick harness interior len.
5. a kind of automatic switching range high-precision transmissometer according to claim 4, it is characterised in that: the light source uses
890nm infrared diode；The light source is by penetrating, reflect and three groups of measurements of reference are constituted.
6. a kind of automatic switching range high-precision transmissometer according to claim 1, it is characterised in that: in the sensor
An inclined connecting hole is provided between top through-hole and left through-hole；The top through-hole right side is provided with one and is parallel to right
The connecting hole of through-hole；The right through-hole is opposite with left lead to the hole site.
7. a kind of automatic switching range high-precision transmissometer according to claim 1, it is characterised in that: on the sensor
The junction screw thread of section and lower section has a concave surface sealing ring；The junction screw thread of the lamp chock plug section and endpiece has
One concave surface sealing ring.
8. a kind of automatic switching range high-precision transmissometer according to claim 1, it is characterised in that: set in the fluorescent tube
There are 24 A/D wiring boards.
9. a kind of automatic switching range high-precision transmissometer according to claim 1, it is characterised in that: set in the lamp plug
There is the deformation through-hole of perforation end to end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993506.0A CN109696423A (en) | 2017-10-23 | 2017-10-23 | A kind of automatic switching range high-precision transmissometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993506.0A CN109696423A (en) | 2017-10-23 | 2017-10-23 | A kind of automatic switching range high-precision transmissometer |
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| Publication Number | Publication Date |
|---|---|
| CN109696423A true CN109696423A (en) | 2019-04-30 |
Family
ID=66225882
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710993506.0A Pending CN109696423A (en) | 2017-10-23 | 2017-10-23 | A kind of automatic switching range high-precision transmissometer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443020A (en) * | 2020-06-17 | 2020-07-24 | 天宇利水信息技术成都有限公司 | Sensor for monitoring sediment content of water body |
| CN117589704A (en) * | 2024-01-18 | 2024-02-23 | 上海科泽智慧环境科技有限公司 | Range self-switching control method and system for water quality on-line monitoring |
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|---|---|---|---|---|
| JPH09292328A (en) * | 1996-04-25 | 1997-11-11 | Corona Denki Kk | Turbidimeter |
| JPH09292329A (en) * | 1996-04-25 | 1997-11-11 | Corona Denki Kk | Turbidimeter |
| CN102128814A (en) * | 2010-12-09 | 2011-07-20 | 中国科学院安徽光学精密机械研究所 | Light path structure and method for detecting large-dynamic range liquid turbidity |
| US20110273710A1 (en) * | 2010-05-05 | 2011-11-10 | Ysi Incorporated | Turbidity Sensors and Probes |
| CN202339325U (en) * | 2011-07-27 | 2012-07-18 | 南京诺尔曼生物技术有限公司 | Scattering turbidimetry measurement apparatus |
| CN104374743A (en) * | 2014-11-17 | 2015-02-25 | 南京信息工程大学 | Turbidity sensor and turbidity measurement device |
| CN105259129A (en) * | 2015-11-12 | 2016-01-20 | 浙江微兰环境科技有限公司 | Probe type water quality multi-parameter online monitor and monitoring method thereof |
| CN208313827U (en) * | 2017-10-23 | 2019-01-01 | 无锡物博新仪电子科技有限公司 | A kind of automatic switching range high-precision transmissometer |
-
2017
- 2017-10-23 CN CN201710993506.0A patent/CN109696423A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09292328A (en) * | 1996-04-25 | 1997-11-11 | Corona Denki Kk | Turbidimeter |
| JPH09292329A (en) * | 1996-04-25 | 1997-11-11 | Corona Denki Kk | Turbidimeter |
| US20110273710A1 (en) * | 2010-05-05 | 2011-11-10 | Ysi Incorporated | Turbidity Sensors and Probes |
| CN102128814A (en) * | 2010-12-09 | 2011-07-20 | 中国科学院安徽光学精密机械研究所 | Light path structure and method for detecting large-dynamic range liquid turbidity |
| CN202339325U (en) * | 2011-07-27 | 2012-07-18 | 南京诺尔曼生物技术有限公司 | Scattering turbidimetry measurement apparatus |
| CN104374743A (en) * | 2014-11-17 | 2015-02-25 | 南京信息工程大学 | Turbidity sensor and turbidity measurement device |
| CN105259129A (en) * | 2015-11-12 | 2016-01-20 | 浙江微兰环境科技有限公司 | Probe type water quality multi-parameter online monitor and monitoring method thereof |
| CN208313827U (en) * | 2017-10-23 | 2019-01-01 | 无锡物博新仪电子科技有限公司 | A kind of automatic switching range high-precision transmissometer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443020A (en) * | 2020-06-17 | 2020-07-24 | 天宇利水信息技术成都有限公司 | Sensor for monitoring sediment content of water body |
| CN111443020B (en) * | 2020-06-17 | 2020-09-08 | 天宇利水信息技术成都有限公司 | Sensor for monitoring sediment content of water body |
| CN117589704A (en) * | 2024-01-18 | 2024-02-23 | 上海科泽智慧环境科技有限公司 | Range self-switching control method and system for water quality on-line monitoring |
| CN117589704B (en) * | 2024-01-18 | 2024-03-29 | 上海科泽智慧环境科技有限公司 | A range self-switching control method and system for online monitoring of water quality |
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