CN110849771A - Online liquid analyzer detection assembly - Google Patents
Online liquid analyzer detection assembly Download PDFInfo
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- CN110849771A CN110849771A CN201911132036.4A CN201911132036A CN110849771A CN 110849771 A CN110849771 A CN 110849771A CN 201911132036 A CN201911132036 A CN 201911132036A CN 110849771 A CN110849771 A CN 110849771A
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- hole
- laser element
- liquid
- refraction
- prism
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/24—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing the transmission of wave or particle radiation through the material
Abstract
The invention relates to the technical field of detection equipment, and discloses an online liquid analyzer detection assembly which comprises a shell, a laser element and a prism refraction element, wherein a first through hole is formed in the shell, a bypass hole capable of being communicated with a liquid pool is formed in the middle section of the first through hole, the laser element and the prism refraction element are respectively arranged on the left section and the right section of the first through hole, a plurality of inclined planes are arranged on the end face, facing the laser element, of the prism refraction element, monochromatic light emitted by the laser element can be refracted by liquid in the liquid pool and the inclined planes in sequence to generate two light spots, and the two light spots are projected to a photoelectric sensor. In will detecting the liquid that the subassembly is submerged need be detected, liquid gets into the by pass hole, monochromatic light sees through liquid and prism refracting element and takes place the refraction, throws to photoelectric sensor at last, and the influence of impurity to refracted light is avoided to the difficult adhesion on the inclined plane of impurity in the liquid, improves and detects the precision, reduces the maintenance that detects the subassembly.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a detection assembly of an online liquid analyzer.
Background
The on-line liquid analyzer is an instrument for testing the concentration of liquid by using light rays, the light rays can generate refraction phenomenon when entering another medium from one medium, and the sine ratio of the incident angle is in direct proportion to the concentration of the solution, so under the condition of certain pressure and temperature, the concentration of the solution can be converted by using the phenomenon of the medium and the light, adopting a photoelectric sensor to receive optical signals and measuring the refractive index. However, the measured medium often contains impurities such as solid particles, suspended matters and bubbles, and when the impurities are adhered to the detection assembly, the refractive index of the measured liquid is changed, so that deviation occurs, the more the impurities are, the larger the deviation is, and therefore the detection assembly needs to be replaced or cleaned frequently.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art, and provides a detection assembly of an online liquid analyzer, which can be used in a medium containing impurities, so that the online liquid analyzer meets the requirement of accurate measurement, and the maintenance of the detection assembly can be reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an online liquid analysis appearance determine module, which comprises a housin, laser element and prism refraction component, be equipped with first through-hole on the casing, the middle section of casing is equipped with the by-pass hole, the by-pass hole can be with first through-hole and liquid bath intercommunication, two sections about first through-hole are located to laser element and prism refraction component branch, prism refraction component is equipped with a plurality of inclined plane on laser element's the terminal surface, monochromatic light that laser element sent can be in proper order by the liquid in liquid bath and produce a plurality of faculas after the inclined plane refraction and throw to photoelectric sensor.
Has the advantages that: when using, submerge the detection subassembly and be detected in the liquid, liquid gets into the by pass hole, laser element sends monochromatic light, monochromatic light sees through liquid and prism refraction component and takes place the refraction, monochromatic light passes prism refraction component and throws to photoelectric sensor behind the prism refraction component, make online liquid analysis appearance circuit part detect the detected signal, because prism refraction component is equipped with a plurality of inclined plane towards laser element's one end, when liquid flows through prism refraction component, impurity in the liquid is difficult for the adhesion on the inclined plane, avoid the influence of impurity to refracted light, improve and detect the precision, reduce the frequency of changing or wasing the detection subassembly.
Preferably, the inclined planes are at least two, and the intersection line of the two inclined planes is intersected with the central axis of the prism refraction element. Impurities are not easy to adhere to the inclined plane, and the monochromatic light can be refracted when passing through the inclined plane, so that the impurities are prevented from shielding the prism refraction element.
Further preferably, the two areas where the inclined planes meet are provided with slope structures, and impurities are not easy to adhere to the slope structures.
Preferably, one end of the prism refraction element facing the laser element is provided with a cone, the inclined plane is a side face of the cone, and the cone can prevent impurities from being adhered to the prism refraction element and has a refraction effect.
Preferably, a filter is arranged in the first through hole between the laser element and the bypass hole, light generated by the laser element can penetrate through the filter, the filter enables the light generated by the laser element to be stronger in directivity, and meanwhile, the laser element is prevented from being in direct contact with liquid, so that the laser element is ensured to be in a sealed environment.
Preferably, the prism refraction element comprises an installation body which can be connected with the first through hole and a refraction body which penetrates through the installation body, and the refraction body can extend into the first through hole. The prism refraction element can be conveniently disassembled and assembled through the installation body.
Further preferably, the mounting body is in threaded connection with the first through hole, two blind holes are formed in the side face, away from the laser element, of the mounting body, and the mounting body can be driven to be screwed into or screwed out of the first through hole through the two blind holes.
Further preferably, a first hole shoulder is arranged in the first through hole, the mounting body can be arranged in the first through hole, and a first sealing ring is arranged between the end face of the mounting body and the first hole shoulder. The first sealing ring can prevent liquid from seeping into the external thread and the internal thread along the direction of the bypass hole and the first through hole, and the joint of the shell and the mounting body is prevented from being corroded by the liquid.
Preferably, a second hole shoulder is arranged in the first through hole, and a second sealing ring is arranged between the end face of the laser element and the second hole shoulder. The second sealing ring can prevent the end face of the laser element facing the prism refraction element from being eroded by liquid, so that the service life of the detection assembly is guaranteed.
Preferably, the casing is the cylinder, and first through-hole runs through the well axle center of casing, and the both ends surface of casing all is equipped with the recess of spacing sealing washer. When the detection assembly is connected with the line liquid analyzer body, a sealing ring (not shown in the figure) is arranged in the groove, and the sealing performance of other parts of the line liquid analyzer can be ensured through the sealing ring.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a prism refractive element according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a prism refractive element according to another embodiment of the present invention;
fig. 6 is a light path diagram of an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 6, an online liquid analyzer detection assembly, including casing 1, laser element 2 and prism refraction component 3, be equipped with first through-hole 4 on casing 1, the middle section of first through-hole 4 is equipped with by-pass hole 5, by-pass hole 5 can be with liquid pool and first through-hole 4 intercommunication, two sections about first through-hole 4 are located to laser element 2 and prism refraction component 3 branch, prism refraction component 3 is equipped with a plurality of inclined plane 6 towards the one end of laser element 2, monochromatic light that laser element 2 sent can be in proper order by the liquid in liquid pool and the inclined plane 6 refraction back produce a plurality of facula throw to photoelectric sensor.
When using, in the liquid that will detect the subassembly and submerge and be detected, liquid gets into by pass through hole 5, further refer to fig. 6, laser element 2 sends monochromatic light, monochromatic light sees through liquid and prism refracting element 3 and takes place the refraction, monochromatic light passes prism refracting element 3 and throws to photoelectric sensor, thereby make online liquid analysis appearance circuit part detect the detected signal, because prism refracting element 3 is equipped with a plurality of inclined plane 6 on the terminal surface towards laser element 2, when liquid flows through prism refracting element 3, impurity in the liquid is difficult for adhering on the inclined plane 6 of prism refracting element 3, avoid the influence of impurity to the refracted light, improve and detect the precision, reduce the frequency of changing or wasing detection subassembly.
Further referring to fig. 4, the first through hole 4, the laser element 2 and the prism refraction element 3 are coaxially arranged, at least two inclined planes 6 are arranged, and the intersection line of the two inclined planes 6 intersects with the central axis of the prism refraction element 3. The inclined plane 6 is not easy to adhere impurities, and monochromatic light can be refracted when passing through the inclined plane 6, so that the impurities are prevented from shielding the prism refraction element 3, and the precision of the detection assembly is prevented from being reduced. The areas where the two inclined planes 6 meet are provided with the slope structures 7, and impurities are not easy to adhere to the slope structures 7. The two inclined planes 6 face the laser element 2, so that the prism refraction element 3 can generate two light spots, namely the detection component can be applied to an analyzer for two-path measurement.
In another embodiment of the present invention, further referring to fig. 5, the end of the prism refractive element 3 facing the laser element 2 is provided with a cone, and the side of the cone is the inclined surface 6. The cone prevents impurities from adhering to the prism refractive element 3 and also acts as a refractive element.
Referring further to fig. 3, a filter 8 is disposed in the first through hole 4 between the laser element 2 and the bypass hole 5, light generated by the laser element 2 can penetrate through the filter 8, the filter 8 enables the light generated by the laser element 2 to have stronger directivity, the wavelength variation range of the light penetrating through the filter 6 is smaller, and meanwhile, the laser element 2 is prevented from being in direct contact with liquid, so that the laser element 2 is ensured to be in a sealed environment.
The prism refracting element 3 comprises an installation body 31 which can be connected with the first through hole 4 and a refracting body 32 which penetrates through the installation body 31, the refracting body 32 can extend into the first through hole 4, monochromatic light can penetrate through the refracting body 32, and the slope structure 7 or a cone is arranged at one end, facing the laser element 2, of the refracting body 32. The cross section of the first through hole 4 is circular, the cross sections of the installation body 31 and the refraction body 32 are also circular, the outer surface of the installation body 31 is provided with external threads, internal threads are arranged in the first through hole 4, the installation body 31 and the first through hole 4 are connected with the internal threads in a matched mode through the external threads, two blind holes 9 are arranged on the side face, away from the laser element 2, of the installation body 31, and the installation body 31 can be driven to be screwed into or out of the first through hole 4 through the two blind holes 9. The shell 1 is made of corrosion-resistant special plastic, such as PEEK; the refraction body 32 is made of an anticorrosive material and is made of sapphire or K9 optical glass.
Be equipped with first hole shoulder 10 in the first through-hole 4, the installation body 31 can be located in first through-hole 4, is equipped with first sealing washer 11 between the terminal surface of installation body 31 and the first hole shoulder 10, and first sealing washer 11 can avoid liquid to infiltrate external screw thread and internal thread department along by-pass hole 5 and first through-hole 4 directions, avoids casing 1 and the junction of installation body 31 to be corroded by liquid.
Be equipped with second hole shoulder 12 in the first through-hole 4, be equipped with second sealing washer 13 between the terminal surface of laser element 2 and second hole shoulder 12, second sealing washer 13 can avoid laser element 2 to be corroded by liquid towards prism refraction element 3's terminal surface to detection component's life has been guaranteed.
The casing 1 is a cylinder, the first through hole 4 penetrates through the center axis of the casing 1, and the outer surfaces of two ends of the casing 1 are provided with grooves 14 of limiting sealing rings. When the detection assembly is connected with the online liquid analyzer body, a sealing ring (not shown in the figure) is arranged in the groove 14, and the sealing performance of other parts of the online liquid analyzer can be ensured through the sealing ring.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. The utility model provides an online liquid analysis appearance determine module which characterized in that: including casing (1), laser element (2) and prism refraction component (3), be equipped with first through-hole (4) on casing (1), the middle section of casing (1) is equipped with by-pass hole (5), by-pass hole (5) can be with first through-hole (4) and liquid bath intercommunication, two sections about first through-hole (4) are located to laser element (2) and prism refraction component (3) branch, prism refraction component (3) are equipped with a plurality of inclined plane (6) towards the one end of laser element (2), the monochromatic light that laser element (2) sent can be refracted by the liquid in liquid bath and inclined plane (6) in proper order and produce a plurality of facula and throw to photoelectric sensor.
2. The on-line liquid analyzer test assembly of claim 1, wherein: the inclined planes (6) are at least two, and the intersection line of the two inclined planes (6) is intersected with the central axis of the prism refraction element (3).
3. The on-line liquid analyzer test assembly of claim 2, wherein: and a slope structure (7) is arranged in the area where the two inclined planes (6) are intersected.
4. The on-line liquid analyzer test assembly of claim 1, wherein: one end of the prism refraction element (3) facing the laser element (2) is provided with a cone, and the side surface of the cone is an inclined surface (6).
5. The on-line liquid analyzer test assembly of claim 1, wherein: a filter (8) is arranged in the first through hole (4) between the laser element (2) and the bypass hole (5).
6. The on-line liquid analyzer test assembly of claim 1, wherein: the prism refraction element (3) comprises an installation body (31) connected with the first through hole (4) and a refraction body (32) arranged on the installation body (31) in a penetrating mode, and the refraction body (32) can extend into the first through hole (4).
7. The on-line liquid analyzer test assembly of claim 6, wherein: the mounting body (31) is connected with the first through hole (4) through threads, and two blind holes (9) are formed in the side face, far away from the laser element (2), of the mounting body (31).
8. The on-line liquid analyzer test assembly of claim 6 or 7, wherein: be equipped with first hole shoulder (10) in first through-hole (4), installation body (31) can be located in first through-hole (4), is equipped with first sealing washer (11) between the terminal surface of installation body (31) and first hole shoulder (10).
9. The on-line liquid analyzer test assembly of claim 1, wherein: and a second hole shoulder (12) is arranged in the first through hole (4), and a second sealing ring (13) is arranged between the end surface of the laser element (2) and the second hole shoulder (12).
10. The on-line liquid analyzer test assembly of claim 1, wherein: the shell (1) is a cylinder, the first through hole (4) penetrates through the center of the middle shaft of the shell (1), and grooves (14) for limiting sealing rings are formed in the outer surfaces of the two ends of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911132036.4A CN110849771A (en) | 2019-11-19 | 2019-11-19 | Online liquid analyzer detection assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911132036.4A CN110849771A (en) | 2019-11-19 | 2019-11-19 | Online liquid analyzer detection assembly |
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| Publication Number | Publication Date |
|---|---|
| CN110849771A true CN110849771A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911132036.4A Pending CN110849771A (en) | 2019-11-19 | 2019-11-19 | Online liquid analyzer detection assembly |
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| CN (1) | CN110849771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117269080A (en) * | 2023-09-20 | 2023-12-22 | 秦皇岛卓安科技有限公司 | Organic matter detects laser sensor |
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2019
- 2019-11-19 CN CN201911132036.4A patent/CN110849771A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117269080A (en) * | 2023-09-20 | 2023-12-22 | 秦皇岛卓安科技有限公司 | Organic matter detects laser sensor |
| CN117269080B (en) * | 2023-09-20 | 2024-04-05 | 秦皇岛卓安科技有限公司 | Organic matter detects laser sensor |
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