CN112461815A - Non-dispersive infrared turbidity detection device - Google Patents
Non-dispersive infrared turbidity detection device Download PDFInfo
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- CN112461815A CN112461815A CN201910847850.8A CN201910847850A CN112461815A CN 112461815 A CN112461815 A CN 112461815A CN 201910847850 A CN201910847850 A CN 201910847850A CN 112461815 A CN112461815 A CN 112461815A
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/718—Laser microanalysis, i.e. with formation of sample plasma
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/02—Mechanical
- G01N2201/022—Casings
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Abstract
The invention discloses a non-dispersive infrared turbidity detection device, which comprises a shell, wherein one end of the shell is butted with a detection head, the other end of the shell is connected with a lead, a waterproof plug is connected onto the lead, and the outer layer of the detection head is plated with an infrared transparent conductive film; the invention has the beneficial effects that: the LIBS is selected, the laser is used as a light source for substance detection, and the high-energy short pulse laser is used as a measurement light source, so that the defect that the traditional light source is greatly influenced by the environment is overcome, the anti-interference capability of the sensor is greatly improved, and the application range is expanded; the outer layer of the detection head is plated with an infrared transparent conductive film, infrared light has a transmittance of more than 90%, and meanwhile, the detection head has excellent conductive performance, so that the dust removal effect of the detection head is improved; the protection mechanism is designed, so that the protection of the detection head by the sheath is facilitated, the abrasion of the detection head exposed outside is reduced, and the service life of the detection head is prolonged; through the designed supporting mechanism, the supporting protection of the shell is increased.
Description
Technical Field
The invention belongs to the technical field of turbidity detection, and particularly relates to a non-dispersive infrared turbidity detection device.
Background
A turbidity analyzer is usually used for turbidity detection, the turbidity analyzer mainly adopts the detection principle of transmitted light and scattered light to manufacture a turbidity sensor at present, a transmitted scattered light comparison method is rarely used, and data obtained by the turbidity sensor are independent and have poor relevance; the establishment of the basic water quality database is just started, and the post-processing and analysis of the data are lacked, so that the value of the data is not fully reflected, and the support cannot be provided for the prediction and early warning of the water environment. The method simply depends on a monitoring type analysis technology, a more effective means for data counterfeiting is lacked, and the value of an online water quality analysis instrument is not fully reflected.
In order to improve the accuracy of the sensor and improve the reality and reliability of data so as to adapt to different monitoring environments, a laser induced spectrum LIBS is selected, and laser is used as a light source for substance detection; by using high-energy short pulse laser as a measuring light source, the defect that the traditional light source is greatly influenced by the environment is avoided, the anti-interference capability of the sensor is greatly improved, and the application range is expanded.
Detecting substances through the characteristics of absorption, scattering and the like of a spectrum; the measured optical signals are converted into electric signals, a circuit is designed to process the signals, and then a data model is optimized through software, so that the measuring effects of stable measurement, interference resistance and high precision are achieved.
The ultrasonic dedusting technology which is universal in the market is applied to the design of sensor products, so that the sensor can be kept clean for a long time, the measurement interference caused by pollutants is reduced, and the measurement accuracy and stability are improved.
When the existing non-spectroscopic infrared turbidity detection device is used, the following defects exist:
the light transmittance, the electric conductivity and the dust removal are insufficient.
Disclosure of Invention
The invention aims to provide a non-dispersive infrared turbidity detection device, which solves the problems of light transmittance, electric conductivity and dust removal in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an infrared turbidity detection device of non-dispersion, includes the shell, the one end butt joint of shell detects the head, and other end connecting wire is connected with waterproof plug on this wire, the outer transparent conductive film of infrared has been plated to the skin of detecting the head.
As a preferable technical solution of the present invention, a colloid is filled between the detection head and the housing.
As a preferable technical scheme of the present invention, the housing is provided with a protection mechanism, the protection mechanism includes a sheath, an internal thread and an external thread, the external thread is provided on the outer wall of the first support ring, and the internal thread screwed with the external thread is provided on the inner wall of the sheath.
As a preferable technical scheme of the invention, the sheath is provided with anti-skid grains.
As a preferred technical solution of the present invention, the housing is provided with a support mechanism, the support mechanism includes a first support ring and a second support ring, and the housing is disposed in the cavity between the first support ring and the second support ring.
As a preferable technical solution of the present invention, the end of the first support ring is symmetrically fixed with first support pieces, the end of the second support ring is symmetrically fixed with second support pieces matched with the first support pieces, and bolt holes are respectively formed on the surfaces of the first support pieces and the second support pieces.
Compared with the prior art, the invention has the beneficial effects that:
(1) the LIBS is selected, the laser is used as a light source for substance detection, and the high-energy short pulse laser is used as a measurement light source, so that the defect that the traditional light source is greatly influenced by the environment is overcome, the anti-interference capability of the sensor is greatly improved, and the application range is expanded;
(2) the outer layer of the detection head is plated with an infrared transparent conductive film, infrared light has a transmittance of more than 90%, and meanwhile, the detection head has excellent conductive performance, so that the dust removal effect of the detection head is improved;
(3) the protection mechanism is designed, so that the protection of the detection head by the sheath is facilitated, the abrasion of the detection head exposed outside is reduced, and the service life of the detection head is prolonged;
(4) through the supporting mechanism who designs, utilize first support ring and second support ring to play the support to the shell, reduced the direct contact with the mesa of shell, increase the support protection to the shell.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the sheath of the present invention;
FIG. 3 is a side view of the supporting mechanism of the present invention;
in the figure: 1. a housing; 2. a first support ring; 3. a detection head; 4. a sheath; 5. an infrared transparent conductive film; 6. a second support ring; 7. a wire; 8. a waterproof plug; 9. an internal thread; 10. a first support sheet; 11. a second support sheet.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: the utility model provides an infrared turbidity detection device of non-dispersive, includes shell 1, and the one end butt joint of shell 1 detects head 3, and other end connecting wire 7 is connected with waterproof plug 8 on this wire 7, and the outer of detecting head 3 has plated infrared transparent conductive film 5, and the infrared light has the transmissivity more than 90%, has excellent electric conductive property simultaneously to dust removal effect has.
In this embodiment, it is preferable that the detection head 3 is made of a diode, and a colloid is filled between the detection head 3 and the housing 1.
In this embodiment, it is preferred, be provided with protection machanism on the shell 1, this protection machanism includes sheath 4, internal thread 9 and external screw thread, the outer wall of first supporting ring 2 is provided with the external screw thread, the internal thread 9 of closing soon with the external screw thread is seted up to the inner wall of sheath 4, when protecting detecting head 3 through sheath 4, take up sheath 4, close sheath 4 at shell 1 soon, fasten sheath 4, utilize sheath 4 to play the protection to detecting head 3, reduce and detect head 3 and expose outside, the wearing and tearing that receive, the life of extension detection head 3, when needs use and detect head 3 and carry out turbidity and detect time measuring, it can to revolve down sheath 4.
In this embodiment, preferably, the sheath 4 is provided with anti-slip lines, which helps to increase friction and reduce slippage when the sheath 4 is rotated.
In this embodiment, preferably, the housing 1 is provided with a supporting mechanism, the supporting mechanism includes a first supporting ring 2 and a second supporting ring 6, and the housing 1 is disposed in the cavity between the first supporting ring 2 and the second supporting ring 6; the tip symmetry of first support ring 2 is fixed with first backing sheet 10, the tip symmetry of second support ring 6 is fixed with first backing sheet 10 assorted second backing sheet 11, and the bolt hole has all been seted up on the surface of first backing sheet 10 and second backing sheet 11, in use, take up shell 1, place shell 1 in the cavity between first support ring 2 and the second support ring 6, take up the bolt hole that the bolt passed first backing sheet 10 and the surface of second backing sheet 11 was seted up, make shell 1 fasten, utilize first support ring 2 and second support ring 6 to play the support to shell 1, the direct contact with the mesa of shell 1 has been reduced, increase the support protection to shell 1.
The working principle and the using process of the invention are as follows: manufacturing a hollow cylinder with the length of 13 cm and the outer diameter of 2 cm, forming a shell 1 by the hollow cylinder, wherein one end of the shell 1 is butted with a detection head 3, and the other end of the shell is connected with a lead 7;
and manufacturing a detection end by using a diode, filling colloid for fixation, and plating an infrared transparent conductive film 5 on the outer layer.
Welding a circuit board, connecting the circuit board with the detection end, leading out a lead 7 from the other end of the hollow cylinder, and connecting a waterproof plug 8; when the support structure is used, the shell 1 is taken up, the shell 1 is placed in a cavity between the first support ring 2 and the second support ring 6, the shell 1 is fastened by taking up bolts which penetrate through bolt holes formed in the surfaces of the first support sheet 10 and the second support sheet 11, the shell 1 is supported by the first support ring 2 and the second support ring 6, the direct contact between the shell 1 and a table top is reduced, and the support protection to the shell 1 is increased;
when protecting the detection head 3 through the sheath 4, take up sheath 4, close sheath 4 soon at shell 1, fasten sheath 4, utilize sheath 4 to play to the protection to detecting head 3, reduce to detect head 3 and expose outside, the wearing and tearing that receive prolong the life who detects head 3, use when needs to detect head 3 and carry out turbidity and detect time measuring, with sheath 4 revolve down can.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a non-spectral infrared turbidity detection device, includes shell (1), its characterized in that: one end of the shell (1) is in butt joint with the detection head (3), the other end of the shell is connected with the lead (7), the lead (7) is connected with a waterproof plug (8), and the outer layer of the detection head (3) is plated with an infrared transparent conductive film (5).
2. The non-dispersive infrared turbidity detection device according to claim 1, further comprising: colloid is filled between the detection head (3) and the shell (1).
3. The non-dispersive infrared turbidity detection device according to claim 1, further comprising: be provided with protection machanism on shell (1), this protection machanism includes sheath (4), internal thread (9) and external screw thread, the outer wall of first supporting ring (2) is provided with the external screw thread, internal thread (9) of closing with the external screw thread soon are seted up to the inner wall of sheath (4).
4. The non-dispersive infrared turbidity detection device according to claim 3, wherein: the sheath (4) is provided with anti-skid grains.
5. The non-dispersive infrared turbidity detection device according to claim 1, further comprising: the supporting mechanism is arranged on the shell (1) and comprises a first supporting ring (2) and a second supporting ring (6), and the shell (1) is arranged in a cavity between the first supporting ring (2) and the second supporting ring (6).
6. The non-dispersive infrared turbidity detection device according to claim 5, wherein: the tip symmetry of first support ring (2) is fixed with first backing sheet (10), the tip symmetry of second support ring (6) is fixed with first backing sheet (10) assorted second backing sheet (11), and the bolt hole has all been seted up on the surface of first backing sheet (10) and second backing sheet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910847850.8A CN112461815A (en) | 2019-09-09 | 2019-09-09 | Non-dispersive infrared turbidity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910847850.8A CN112461815A (en) | 2019-09-09 | 2019-09-09 | Non-dispersive infrared turbidity detection device |
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| Publication Number | Publication Date |
|---|---|
| CN112461815A true CN112461815A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910847850.8A Pending CN112461815A (en) | 2019-09-09 | 2019-09-09 | Non-dispersive infrared turbidity detection device |
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| CN109872835A (en) * | 2019-04-23 | 2019-06-11 | 深圳扑浪创新科技有限公司 | A kind of infrared transparent conductive film, and its preparation method and application |
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2019
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| CN200982475Y (en) * | 2006-11-20 | 2007-11-28 | 张异平 | Heating power pipe insulation simple bracket |
| CN201210138Y (en) * | 2008-05-29 | 2009-03-18 | 昆明理工大学 | Hand-hold fish pond water quality turbidity detector |
| CN201497703U (en) * | 2009-09-23 | 2010-06-02 | 国家海洋技术中心 | Turbidity sensor |
| CN103869378A (en) * | 2014-03-26 | 2014-06-18 | 康健康 | Infrared sensor protection cover and infrared sensor for automatic spraying device |
| US20160139046A1 (en) * | 2014-11-10 | 2016-05-19 | In-Situ, Inc. | Compact sensor for measuring turbidity or fluorescence in a fluid sample |
| CN105112869A (en) * | 2015-08-31 | 2015-12-02 | 哈尔滨工业大学 | Preparation method for yttrium-doped copper oxide infrared transparent conductive film |
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Application publication date: 20210309 |
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