CN211014006U - Liquid detection device - Google Patents
Liquid detection device Download PDFInfo
- Publication number
- CN211014006U CN211014006U CN201921919071.6U CN201921919071U CN211014006U CN 211014006 U CN211014006 U CN 211014006U CN 201921919071 U CN201921919071 U CN 201921919071U CN 211014006 U CN211014006 U CN 211014006U
- Authority
- CN
- China
- Prior art keywords
- light
- liquid
- pipeline
- pipe
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Optical Measuring Cells (AREA)
Abstract
The utility model relates to the technical field of liquid detection, in particular to a liquid detection device, which comprises a shell, a liquid circulation pipeline is arranged in the shell, a liquid test light path is arranged on the liquid circulation pipeline, the liquid test light path comprises a light inlet pipeline and a light outlet pipeline, the light inlet pipeline and the light outlet pipeline are symmetrically arranged at two sides of the liquid circulation pipeline, a light source is arranged in the light inlet pipeline along the direction from a front port to a rear port in sequence, convex lens, first spotlight optic fibre are equipped with the spotlight cup in the light-emitting pipeline, and the light-emitting window of spotlight cup connects second spotlight optic fibre, and second spotlight optic fibre is connected with detection module, and first light trap has been seted up with the junction of advancing the light-emitting pipeline to the liquid circulation pipeline, and the second light trap has been seted up with the junction of light-emitting pipeline to the liquid circulation pipeline, and first light trap and second light trap department are all sealed to be equipped with the lens that passes through entirely, the utility model discloses the design of detection light path has reduced the light source loss and has improved the detection precision.
Description
Technical Field
The utility model relates to a liquid detects technical field, concretely relates to liquid detection device.
Background
The spectroscopic technique is widely applied to the fields of scientific research, high and new technology, industrial production and the like as an effective means for detecting the substance components. The spectrum method only measures the absorption quantity of the substance to the light, so the spectrum method is slightly influenced by the measured wavelength and the particle size distribution and is suitable for measuring solids, liquids and gases. The liquid detection device has the advantages of wide measurement range, no need of special sample pretreatment, nondestructive measurement, less sample consumption, high detection sensitivity and the like, and the existing liquid detection device has certain loss of a light source in a detection light path due to the problem of light path design and has certain influence on the actual detection precision.
SUMMERY OF THE UTILITY MODEL
For solving the problem that valve ball and disk seat change exist among the prior art, the utility model provides a liquid detection device.
The utility model discloses a following technical scheme realizes:
a liquid detection device comprises a shell, wherein a liquid circulation pipeline is arranged in the shell, a liquid test light path is arranged on the liquid circulation pipeline and comprises a light inlet pipeline and a light outlet pipeline, and the light inlet pipeline and the light outlet pipeline are symmetrically arranged on two sides of the liquid circulation pipeline;
the light inlet pipeline comprises a front port and a rear port, the rear port of the light inlet pipeline is connected with the liquid circulation pipeline, and a light source, a convex lens and a first light-gathering optical fiber are sequentially arranged in the light inlet pipeline along the direction from the front port to the rear port;
the light-emitting pipeline comprises a front port and a rear port, the front port of the light-emitting pipeline is connected with the liquid circulation pipeline, a light-gathering cup is arranged in the light-emitting pipeline, a light outlet of the light-gathering cup is connected with a second light-gathering optical fiber, and the second light-gathering optical fiber is connected with the detection module;
a first light transmission hole is formed at the joint of the liquid circulation pipeline and the light inlet pipeline, a second light transmission hole is formed at the joint of the liquid circulation pipeline and the light outlet pipeline, and full-transmission lenses are hermetically arranged at the first light transmission hole and the second light transmission hole;
the convex lens, the first light gathering optical fiber, the first light hole, the second light hole, the light gathering cup and the second light gathering optical fiber are arranged on a straight line to form a liquid detection light path, and the central axes of the convex lens, the first light gathering optical fiber, the first light hole, the second light hole, the light gathering cup and the second light gathering optical fiber are located on the same straight line.
Furthermore, the liquid circulation pipeline comprises a liquid inflow pipe and a liquid outflow pipe, the liquid inflow pipe and the liquid outflow pipe are arranged in the shell in parallel, the length of the liquid inflow pipe is greater than that of the liquid outflow pipe, the upper port of the liquid inflow pipe is connected with the liquid supply device, and the upper port of the liquid outflow pipe is connected with the liquid recovery device;
the lower port of the liquid inflow pipe is connected with one port of the slow flow pipe in a sealing and through way, the caliber of the slow flow pipe is 1/3-1/2 of the caliber of the liquid inflow pipe, and the liquid testing light path is arranged on the slow flow pipe;
the other port of the slow flow pipe is connected with the upper flow pipe in a sealing and through way, the included angle between the slow flow pipe and the upper flow pipe is 35-45 degrees, the other port of the upper flow pipe is connected with the lower port of the liquid outflow pipe through a diversion pipeline, and the caliber of the upper flow pipe is 3/4-1 of that of the slow flow pipe.
Furthermore, the upper ports of the liquid inflow pipe and the liquid outflow pipe are respectively provided with internal threads, the liquid inflow pipe is in threaded connection with a liquid supply pipeline of the liquid supply device, and the liquid outflow pipe is in threaded connection with a liquid recovery pipeline of the liquid recovery device.
Furthermore, the shell is made of corrosion-resistant transparent materials, a liquid circulation pipeline is arranged in the shell, the pipeline part at the joint of the liquid circulation pipeline and the liquid testing light path is made of non-light-transmitting materials, and the light inlet pipeline and the light outlet pipeline are made of non-light-transmitting materials.
The beneficial effects of the utility model reside in that, the utility model discloses the design of detection light path has reduced the light source loss and has improved the detection precision, in addition, the further design of liquid circulation pipeline is through the diameter of reducing the unhurried current pipe, and the contained angle between further design unhurried current pipe and the upper stream pipe is 35-45, reduce the velocity of flow of liquid in detection light path department, the detection precision has further been improved, additionally, the liquid inflow pipe, the last port of liquid outflow pipe passes through internal thread and external pipe threaded connection, the leakproofness of whole detection return circuit has been improved, additionally, set for shell material and be corrosion-resistant, non-transparent material, and form the liquid circulation pipeline through the processing of becoming more meticulous on the casing, make the whole liquid circulation pipeline realize visual and the visualizaiton.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the detection light path of the present invention;
reference numerals: 1: liquid inflow pipe, 2: liquid outflow pipe, 3: light inlet pipeline, 4: light-emitting pipeline, 5: convex lens, 6: first light-collecting fiber, 7: light source, 8: light-gathering cup, 9: second light-condensing optical fiber, 10: a housing, 11: choke tube, 12: up flow pipe, 13: a diversion pipeline.
Detailed Description
The present invention is further described in conjunction with the following embodiments, which are only a part of the embodiments of the present invention, but not all embodiments, and other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention all belong to the protection scope of the present invention.
A liquid detection device comprises a shell 10, wherein the shell 10 is made of a corrosion-resistant transparent material, a liquid inflow pipe 1 and a liquid outflow pipe 2 are arranged in the shell 10, the liquid inflow pipe 1 and the liquid outflow pipe 2 are arranged in the shell 10 in parallel, the length of the liquid inflow pipe 1 is greater than that of the liquid outflow pipe 2, the upper port of the liquid inflow pipe 1 and the upper port of the liquid outflow pipe 2 are positioned on the same horizontal plane, internal threads are arranged at the upper ports of the liquid inflow pipe 1 and the liquid outflow pipe 2, the liquid inflow pipe 1 is in threaded connection with a liquid supply pipeline of a liquid supply device, and the liquid outflow pipe 2 is in threaded connection with a liquid recovery pipeline of the liquid recovery device;
the lower port of the liquid inflow pipe 1 is connected with one port of the slow flow pipe 11 in a sealing and through manner, the caliber of the slow flow pipe 11 is 1/3-1/2 of the caliber of the liquid inflow pipe 1, a liquid test light path is arranged on the slow flow pipe 11, the pipeline part at the connection part of the slow flow pipe 11 and the liquid test light path is made of non-light-transmitting materials, the liquid test light path comprises a light inlet pipeline 3 and a light outlet pipeline 4, the light inlet pipeline 3 and the light outlet pipeline 4 are symmetrically arranged on two sides of the slow flow pipe 11, and the light inlet pipeline 3 and the light outlet pipeline 4 are made of non-light-transmitting materials;
the light inlet pipeline 3 comprises a front port and a rear port, the rear port of the light inlet pipeline 3 is connected with the slow flow pipe 11, and a light source 7, a convex lens 5 and a first light-gathering optical fiber 6 are sequentially arranged in the light inlet pipeline 3 along the direction from the front port to the rear port;
the light-emitting pipeline 4 comprises a front port and a rear port, the front port of the light-emitting pipeline 4 is connected with the slow flow pipe 11, a light-gathering cup 8 is arranged in the light-emitting pipeline 4, a light outlet of the light-gathering cup 8 is connected with a second light-gathering optical fiber 9, and the second light-gathering optical fiber 9 is connected with the detection module;
a first light-transmitting hole is formed at the joint of the slow flow tube 11 and the light inlet pipeline 3, a second light-transmitting hole is formed at the joint of the slow flow tube 11 and the light outlet pipeline 4, full-transmission lenses are hermetically arranged at the first light-transmitting hole and the second light-transmitting hole, the diameter of the first light-transmitting hole is equal to that of the first light-gathering optical fiber 6, and the diameter of the second light-transmitting hole is equal to that of a light inlet of the light-gathering cup 8;
the light source 7, the convex lens 5, the first light-gathering optical fiber 6, the first light hole, the second light hole, the light-gathering cup 8 and the second light-gathering optical fiber 9 are arranged on the same straight line to form a liquid detection light path, and the central axes of the light source 7, the convex lens 5, the first light-gathering optical fiber 6, the first light hole, the second light hole, the light-gathering cup 8 and the second light-gathering optical fiber 9 are positioned on the same straight line;
the other port of the slow flow pipe 11 is connected with the upper flow pipe 12 in a sealing and through mode, the included angle between the slow flow pipe 11 and the upper flow pipe 12 is 35-45 degrees, the other port of the upper flow pipe 12 is connected with the lower port of the liquid outflow pipe 2 through the diversion pipeline 13, and the caliber of the upper flow pipe 12 is 3/4-1 of the caliber of the slow flow pipe 11.
When adopting the utility model discloses liquid detection device detects liquid composition, liquid flows through liquid inflow pipe 1 in proper order by liquid supply device's liquid supply pipeline, unhurried current pipe 11, upper flow tube 12, diversion pipeline 13, and flow back to liquid recovery pipeline by liquid outflow pipe 2, retrieve by liquid recovery unit, when liquid flows through unhurried current pipe 11, the liquid test light path that sets up on unhurried current pipe 11 detects liquid, the detection light that light source 7 launches is via convex lens 5, 6 spotlight backs of first spotlight optic fibre, pass liquid, again by spotlight cup 8, 9 spotlight transmission of second spotlight optic fibre to detection module, the formation liquid detection information that awaits measuring.
The above embodiments are only the technical conception and the characteristics of the present invention, and the protection scope of the present invention cannot be limited thereby, and all equivalent changes or decorations made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. A liquid detection device comprises a shell (10), a liquid circulation pipeline is arranged in the shell (10), a liquid test light path is arranged on the liquid circulation pipeline, and the liquid detection device is characterized in that,
the liquid testing light path comprises a light inlet pipeline (3) and a light outlet pipeline (4), and the light inlet pipeline (3) and the light outlet pipeline (4) are symmetrically arranged on two sides of the liquid circulation pipeline;
the light inlet pipeline (3) comprises a front port and a rear port, the rear port of the light inlet pipeline (3) is connected with the liquid circulation pipeline, and a light source (7), a convex lens (5) and a first light-gathering optical fiber (6) are sequentially arranged in the light inlet pipeline (3) along the direction from the front port to the rear port;
the light-emitting pipeline (4) comprises a front port and a rear port, the front port of the light-emitting pipeline (4) is connected with the liquid circulation pipeline, a light-gathering cup (8) is arranged in the light-emitting pipeline (4), a light-emitting port of the light-gathering cup (8) is connected with a second light-gathering optical fiber (9), and the second light-gathering optical fiber (9) is connected with the detection module;
a first light-transmitting hole is formed at the joint of the liquid circulation pipeline and the light inlet pipeline (3), a second light-transmitting hole is formed at the joint of the liquid circulation pipeline and the light outlet pipeline (4), and full-transmission lenses are hermetically arranged at the first light-transmitting hole and the second light-transmitting hole;
convex lens (5), first spotlight optic fibre (6), first light trap, second light trap, spotlight cup (8), second spotlight optic fibre (9) are arranged and are constituteed liquid and detect the light path on a straight line, and the central axis of convex lens (5), first spotlight optic fibre (6), first light trap, second light trap, spotlight cup (8), second spotlight optic fibre (9) is located same straight line.
2. A liquid detection device as claimed in claim 1,
the liquid circulation pipeline comprises a liquid inflow pipe (1) and a liquid outflow pipe (2), the liquid inflow pipe (1) and the liquid outflow pipe (2) are arranged in the shell (10) in parallel, the length of the liquid inflow pipe (1) is greater than that of the liquid outflow pipe (2), the upper port of the liquid inflow pipe (1) is connected with a liquid supply device, and the upper port of the liquid outflow pipe (2) is connected with a liquid recovery device;
the lower port of the liquid inflow pipe (1) is in sealed through connection with one port of the slow flow pipe (11), the caliber of the slow flow pipe (11) is 1/3-1/2 of the caliber of the liquid inflow pipe (1), and a liquid test light path is arranged on the slow flow pipe (11);
the other port of the slow flow pipe (11) is connected with the upper flow pipe (12) in a sealing and through mode, the included angle between the slow flow pipe (11) and the upper flow pipe (12) is 35-45 degrees, the other port of the upper flow pipe (12) is connected with the lower port of the liquid outflow pipe (2) through a diversion pipeline (13), and the caliber of the upper flow pipe (12) is 3/4-1 of the caliber of the slow flow pipe (11).
3. A liquid detection device as claimed in claim 2,
the upper ports of the liquid inflow pipe (1) and the liquid outflow pipe (2) are respectively provided with an internal thread, the liquid inflow pipe (1) is in threaded connection with a liquid supply pipeline of a liquid supply device, and the liquid outflow pipe (2) is in threaded connection with a liquid recovery pipeline of a liquid recovery device.
4. A liquid detection device as claimed in claim 1,
casing (10) are made by corrosion-resistant transparent material, offer the liquid circulation pipeline in casing (10), and the pipeline part of liquid circulation pipeline and liquid test light path junction is made by non-printing opacity material, advances light pipe way (3), light-emitting pipeline (4) and is made by non-printing opacity material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921919071.6U CN211014006U (en) | 2019-11-08 | 2019-11-08 | Liquid detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921919071.6U CN211014006U (en) | 2019-11-08 | 2019-11-08 | Liquid detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211014006U true CN211014006U (en) | 2020-07-14 |
Family
ID=71477133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921919071.6U Active CN211014006U (en) | 2019-11-08 | 2019-11-08 | Liquid detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211014006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384029A (en) * | 2021-12-20 | 2022-04-22 | 南京菘大仪表有限公司 | Hydrogen peroxide solution hydrogenation efficiency on-line measuring device |
-
2019
- 2019-11-08 CN CN201921919071.6U patent/CN211014006U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384029A (en) * | 2021-12-20 | 2022-04-22 | 南京菘大仪表有限公司 | Hydrogen peroxide solution hydrogenation efficiency on-line measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100504350C (en) | Sandwiched liquid core waveguide structure detection pond | |
| CN202372439U (en) | Online crude oil water content detector employing infrared image photometry | |
| US10126229B2 (en) | Optical measurement device | |
| CN1825089A (en) | Flow-thru tank of flow photometric analyzing | |
| CN104458540B (en) | Blood analyser flow chamber | |
| US3619068A (en) | Refractometer | |
| CN211014006U (en) | Liquid detection device | |
| CN110531013A (en) | A kind of detection cell being axially totally reflected using capillary wall | |
| CN203310744U (en) | Liquid core waveguide food detector | |
| CN205719927U (en) | Multichannel many light paths integrated form flow cell group | |
| CN210146035U (en) | Multichannel micro-fluidic chip clamping system for SPR detector | |
| CN205426776U (en) | LSPR sensor device based on ag nano particles | |
| CN101226144A (en) | On-line refractometer index meter based on surface plasma resonance technique | |
| US4501969A (en) | Photometric apparatus and process | |
| CN207336344U (en) | A kind of liquid core waveguide flow cell | |
| CN203929616U (en) | A kind of flow cell with optical fiber interface | |
| CN208013064U (en) | A kind of absorption pool structure of ultraviolet difference gas analysis using y-type optical fiber | |
| CN210146037U (en) | Single-channel micro-fluidic chip clamping system for SPR detector | |
| CN102620760A (en) | Optical fiber probe and composite type liquid optical fiber concentration meter employing optical fiber probe | |
| CN205844292U (en) | A kind of chromatographic detector with cone light-guiding pillar | |
| CN104062366B (en) | A kind of multiparameter integration chromatogram flow cell | |
| CN203643419U (en) | Online UV detector of high-flow flow cell | |
| CN201203575Y (en) | Delustring pool and optical analytic instrument equipped with the same | |
| CN103048119B (en) | Detection method and device for gas filling rate of hollow optical fiber | |
| CN203337551U (en) | Novel fluorescent optical fiber sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201221 Address after: Room 105, building 30 (C3), Zhongguancun Software Park, Xinwu District, Wuxi City, Jiangsu Province, 214135 Patentee after: Wuxi dijiayang Technology Co.,Ltd. Address before: 214029 ground floor, building B, No. 208, Chengnan Road, New District, Wuxi City, Jiangsu Province Patentee before: Wuxi jiaheyang Precision Machinery Co.,Ltd. |