CN111122405A - Particle sensor probe and particle sensor - Google Patents
Particle sensor probe and particle sensor Download PDFInfo
- Publication number
- CN111122405A CN111122405A CN202010137305.2A CN202010137305A CN111122405A CN 111122405 A CN111122405 A CN 111122405A CN 202010137305 A CN202010137305 A CN 202010137305A CN 111122405 A CN111122405 A CN 111122405A
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- Prior art keywords
- probe
- particle sensor
- pipeline
- rod piece
- sensor probe
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- 239000000523 sample Substances 0.000 title claims abstract description 77
- 239000002245 particle Substances 0.000 title claims abstract description 51
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 230000007797 corrosion Effects 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 239000013307 optical fiber Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 9
- 239000013618 particulate matter Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 claims description 3
- 230000007774 longterm Effects 0.000 claims description 2
- 238000011897 real-time detection Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a particle sensor probe which can be arranged in a pipeline in a high-temperature and high-corrosion environment and is used for detecting the concentration value of particles in the pipeline in real time. A particle sensor is also disclosed, which comprises the particle sensor probe. The particle sensor probe has the advantages of high temperature resistance, corrosion resistance, capability of being arranged on the wall of a pipeline in a unilateral mounting mode, capability of reflecting a double-fiber laser channel of a unilateral joint by utilizing an internal reflecting surface, novel thought, simple structure, convenience in assembly and disassembly and cost reduction.
Description
Technical Field
The invention belongs to the technical field of particulate matter sensors, and particularly relates to a particulate matter sensor probe and a particulate matter sensor, which can be applied to a smoke exhaust pipeline with high temperature, high pollution and high corrosivity and a fuel vehicle, a power plant, a restaurant kitchen and the like needing to detect the concentration value of particulate matter in exhaust gas in real time.
Background
The traditional sensor for detecting the concentration of particulate matters generally adopts a filter membrane weighing method and a smoke intensity method, the weighing method is accurate but the instrument is heavy, the measuring time is long, the cost is high, and the traditional smoke intensity method is not suitable for common users.
Therefore, to the above technical problem, it is necessary to provide a particle sensor probe and a particle sensor for solving the disadvantages of the prior art that the particle concentration cannot be measured in real time and the measurement operation is complicated, and the probe and the particle sensor have lower manufacturing and use costs, are more convenient and faster to install, can be more conveniently disassembled and maintained, and are more economical and practical.
Disclosure of Invention
The invention aims to provide a particle sensor probe to solve the problems that the concentration of particles cannot be measured in real time, the measurement operation is complex, the disassembly and the assembly are inconvenient, and pollution and corrosion are not polluted in the prior art.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
in one embodiment, a particle sensor probe is provided, which can be installed in a pipeline in a high-temperature, high-pollution and high-corrosion environment and is used for detecting the concentration value of particles in the pipeline in real time.
Furthermore, the middle of the base is of a through hole structure, one end of the base is provided with a boss and can be installed on the wall of the pipeline in a unilateral mode, the other end of the base is provided with a thread structure and used for fixing the probe rod piece, and one side of the thread structure is provided with a pin groove at least used for limiting the installation position and the angle of the probe rod piece;
the probe rod piece is provided with a channel for the gas to be detected to pass through, and a through hole is formed in the axial direction of the rod piece and is used for the detection laser to pass through;
the laser can be red, blue, white and colorless laser;
the side of the probe rod piece, which faces the outside of the pipeline, is used for installing the double optical fiber connector, meanwhile, the side is provided with a positioning hole for installing the positioning pin, and one end of the probe rod piece, which is positioned at the inside of the pipeline, is provided with the nut with the reflecting surface;
one end of the fastening nut is provided with a through hole smaller than the inner diameter of the thread, and the fastening nut is matched with the base to fix the probe rod piece;
the positioning pin is matched with the pin groove on the base and the positioning hole on the probe rod piece and at least used for limiting the installation position and the angle of the probe rod piece;
the double-optical-fiber connector is detachably arranged at the top end of the probe rod piece positioned on the outer side of the pipeline, and two optical fiber lines are arranged in the double-optical-fiber connector and at least used for transmitting and receiving laser signals.
Furthermore, the surface of the nut with the reflecting surface, which faces one side of the double optical fiber joint, can be used as the reflecting surface of laser and at least used for reflecting the laser signal back to the receiving end, the reflecting surface is made of special materials, the nut has the characteristics of high temperature resistance, corrosion resistance and no waste gas pollution after being used for a long time, and the nut with the reflecting surface is detachably fixed at one end of the probe rod piece.
Furthermore, the particle sensor probe is made of high-temperature-resistant materials, the inner surface and the outer surface of the particle sensor probe are specially treated, the particle sensor probe at least has the effects of high temperature resistance, corrosion resistance and no influence on a detection result caused by tail gas pollution, and can be conveniently disassembled, assembled and maintained.
Optionally, the base and the probe rod piece can also be in a flange surface matching structure, the fastening nut can be changed into a clamp, and the probe rod piece can be detachably fixed on the base in a clamp connection mode.
The application also provides a particle sensor, which comprises the particle sensor probe.
Compared with the prior art, the particle sensor probe can be arranged in a pipeline in a high-temperature, high-pollution and high-corrosion environment, is high-temperature resistant and corrosion resistant, can detect the concentration value of particles in the pipeline to be detected in real time, can be arranged on the wall of the pipeline in a unilateral mounting mode and go deep into the pipeline, is convenient to mount and dismount and maintain, utilizes the internal reflecting surface to reflect the double-fiber laser channel of the unilateral joint, detects the concentration of the particles in the mode, is novel in thought and simple in structure, provides a simpler and more convenient method for the mounting mode, and reduces the cost.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a particle sensor probe and sensor installation and use according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a particle sensor probe according to an embodiment of the present disclosure;
FIG. 3 is a schematic illustration of a position of a locating pin of a particle sensor probe according to an embodiment of the present application.
In the figure, a pipeline 1, a base 2, a probe rod 3, a fastening nut 4, a positioning pin 5, a double-optical-fiber joint 6, a nut 7 with a reflecting surface and a sensor control module 8 are arranged.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
Referring to fig. 1 and 2, the invention provides a particle sensor probe, which can be installed in a pipeline 1 in a high-temperature, high-pollution and high-corrosion environment, and is used for detecting a concentration value of particles in the pipeline 1 in real time, the particle sensor probe is installed on the wall of the pipeline 1 in a unilateral installation manner, extends into the pipeline 1, is provided with a channel for gas to pass through, and reflects a double-fiber laser channel of a unilateral joint by using an internal reflection surface, so as to detect the concentration value of the particles in the pipeline 1, and the particle sensor probe comprises a base 2, a probe rod 3, a fastening nut 4, a positioning pin 5, a double-fiber joint 6 and a nut 7 with a reflection surface.
Furthermore, the middle of the base 2 is of a through hole structure, one end of the base is provided with a boss and can be installed on the wall of the pipeline 1 on one side, the other end of the base is provided with a thread structure and used for fixing the probe rod piece 3, and one side of the thread structure is provided with a pin groove and at least used for limiting the installation position and the angle of the probe rod piece 3;
the probe rod piece 3 is provided with a channel for the gas to be detected to pass through, and a through hole is formed in the rod piece in the axial direction and is used for the detection laser to pass through;
the laser can be red, blue, white and colorless laser;
the side of the probe rod 3 facing the outside of the pipeline 1 is used for installing the dual optical fiber connector 6, meanwhile, the side is provided with a positioning hole for installing the positioning pin, and the end of the probe rod located at the inside of the pipeline 1 is provided with the nut 7 with the reflecting surface;
one end of the fastening nut 4 is provided with a through hole smaller than the inner diameter of the thread, and the fastening nut is matched with the base 2 to fix the probe rod piece 3;
the positioning pin 5 is matched with the pin slot on the base 2 and the positioning hole on the probe rod piece 3 and at least used for limiting the installation position and angle of the probe rod piece 3;
the double-optical-fiber connector 6 is detachably arranged at the top end of the probe rod piece 3 positioned at the outer side of the pipeline 1, and two optical fiber lines are arranged in the double-optical-fiber connector and at least used for transmitting and receiving laser signals.
Furthermore, the surface of the nut 7 with the reflecting surface facing the side of the dual optical fiber joint 6 can be used as a reflecting surface of laser, and at least used for reflecting the laser signal back to a receiving end, the reflecting surface is made of special materials, and has the characteristics of high temperature resistance, corrosion resistance and no waste gas pollution after long-term use, and the nut 7 with the reflecting surface is detachably fixed at one end of the probe rod piece 3.
Furthermore, the particle sensor probe is made of high-temperature-resistant materials, the inner surface and the outer surface of the particle sensor probe are specially treated, the particle sensor probe at least has the effects of high temperature resistance, corrosion resistance and no influence on a detection result caused by tail gas pollution, and can be conveniently disassembled, assembled and maintained.
Optionally, the base 2 and the probe rod 3 may also be of a flange surface fit structure, the fastening nut 4 may be a clamp, and the probe rod 3 may be detachably fixed to the base 2 in a clamp connection manner.
In this embodiment, the particle sensor probe is cylindrical and can be made of metal.
In other embodiments, the particle sensor probe can be square, hexagonal, diamond, or other shapes.
The structure of the clamp is prior art and will not be further described in the structure.
The particle sensor probe has the advantages that the particle sensor probe can be arranged in a pipeline in a high-temperature, high-pollution and high-corrosion environment, is high-temperature resistant and corrosion resistant, can detect the concentration value of particles in the pipeline to be detected in real time, can be arranged on the wall of the pipeline in a unilateral mounting mode and extends into the pipeline, is convenient to mount and dismount and maintain, utilizes the internal reflecting surface to reflect the double-fiber laser channel of the unilateral joint, detects the concentration of the particles in the mode, is novel in thought and simple in structure, provides a simpler and more convenient method for the mounting mode, and reduces the cost.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a particulate matter sensor probe, can install in high temperature, high pollution, high corrosive environment's pipeline for the concentration value of particulate matter in this pipeline of real-time detection, its characterized in that, particulate matter sensor probe adopt the mode of unilateral installation arrange the pipeline wall in, go deep inside the pipeline to be equipped with the passageway that the gas passed, utilize inside plane of reflection to reflect with the two optical fiber laser channel of unilateral joint, thereby detect the particulate matter concentration value in the pipeline, including base, probe rod piece, fastening nut, locating pin, two optical fiber joint, the nut that has the plane of reflection.
2. The particle sensor probe as claimed in claim 1, wherein the base has a through hole structure in the middle, one end of the base has a boss for one-sided installation on the pipe wall, the other end has a screw structure for fixing the probe rod, and one side of the screw structure has a pin slot at least for limiting the installation position and angle of the probe rod;
the probe rod piece is provided with a channel for the gas to be detected to pass through, and a through hole is formed in the axial direction of the rod piece and is used for the detection laser to pass through;
the laser can be red, blue, white and colorless laser;
the side of the probe rod piece, which faces the outside of the pipeline, is used for installing the double optical fiber connector, meanwhile, the side is provided with a positioning hole for installing the positioning pin, and one end of the probe rod piece, which is positioned at the inside of the pipeline, is provided with the nut with the reflecting surface;
one end of the fastening nut is provided with a through hole smaller than the inner diameter of the thread, and the fastening nut is matched with the base to fix the probe rod piece;
the positioning pin is matched with the pin groove on the base and the positioning hole on the probe rod piece and at least used for limiting the installation position and the angle of the probe rod piece;
the double-optical-fiber connector is detachably arranged at the top end of the probe rod piece positioned on the outer side of the pipeline, and two optical fiber lines are arranged in the double-optical-fiber connector and at least used for transmitting and receiving laser signals.
3. The particle sensor probe of claim 1, wherein the surface of the nut with the reflecting surface facing the dual fiber connector can be used as a laser reflecting surface at least for reflecting laser signals back to the receiving end, the reflecting surface is made of special materials and has the characteristics of high temperature resistance, corrosion resistance and no waste gas pollution after long-term use, and the nut with the reflecting surface is detachably fixed at one end of the probe rod.
4. The particle sensor probe according to claim 1, wherein the particle sensor probe is made of a high temperature resistant material, and the inner surface and the outer surface of the particle sensor probe are specially treated, so that the particle sensor probe at least has the effects of high temperature resistance, corrosion resistance, no influence on a detection result due to pollution of tail gas, and can be conveniently disassembled, assembled and maintained.
5. The particle sensor probe of claim 1, wherein said base and probe shaft are flange surface engaging structures, and said fastening nut is adapted to be a clamp, and said probe shaft is removably secured to said base by a clamp connection.
6. A particle sensor, comprising the particle sensor probe of any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010137305.2A CN111122405A (en) | 2020-03-03 | 2020-03-03 | Particle sensor probe and particle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010137305.2A CN111122405A (en) | 2020-03-03 | 2020-03-03 | Particle sensor probe and particle sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111122405A true CN111122405A (en) | 2020-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010137305.2A Pending CN111122405A (en) | 2020-03-03 | 2020-03-03 | Particle sensor probe and particle sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111122405A (en) |
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 |
-
2020
- 2020-03-03 CN CN202010137305.2A patent/CN111122405A/en active Pending
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 |
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