CN214794342U - Sensor probe and sensor - Google Patents
Sensor probe and sensor Download PDFInfo
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- CN214794342U CN214794342U CN202120196971.3U CN202120196971U CN214794342U CN 214794342 U CN214794342 U CN 214794342U CN 202120196971 U CN202120196971 U CN 202120196971U CN 214794342 U CN214794342 U CN 214794342U
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Abstract
The utility model discloses a sensor probe is fixed in the blast pipe or detects the detection in the pipeline, include: the gas flow channel is arranged in the radial direction of the detection rod in a penetrating mode, the first channel is arranged in the axial direction of the detection rod in a penetrating mode, and the first channel is communicated with the gas flow channel; the laser assembly is arranged at one end of the detection rod, and transmits and receives detection light rays to the first channel; the connecting seat is arranged between the detection rod and the laser assembly, and a second channel communicated with the first channel is arranged in the connecting seat in a penetrating manner; and the reflector component is arranged at the other end of the detection rod, is fixed in the first channel and is used for reflecting the detection light emitted by the laser component back to the laser component. The utility model has the characteristics of simple structure, simple to operate, detection precision are high.
Description
Technical Field
The utility model belongs to the technical field of the sensor, concretely relates to sensor probe and sensor for detecting particulate matter concentration.
Background
With the rapid development of economy in China and the improvement of the living standard of people, people pay more and more attention to environmental problems and health problems, and the air quality condition receives more and more attention.
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, in view of the above technical problems, there is a need for a sensor probe and a sensor for detecting the concentration of particulate matter, which are easy to install and simple in structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sensor probe and sensor to solve the problem among 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 sensor probe is provided, which is fixed in an exhaust pipe or a pipe to be detected, and includes:
the gas flow channel is arranged in the radial direction of the detection rod in a penetrating mode, the first channel is arranged in the axial direction of the detection rod in a penetrating mode, and the first channel is communicated with the gas flow channel;
the laser assembly is arranged at one end of the detection rod, and transmits and receives detection light rays to the first channel;
the connecting seat is arranged between the detection rod and the laser assembly, and a second channel communicated with the first channel is arranged in the connecting seat in a penetrating manner;
and the reflector component is arranged at the other end of the detection rod, is fixed in the first channel and is used for reflecting the detection light emitted by the laser component back to the laser component.
As a further improvement of the utility model, the connecting seat is equipped with a connecting portion, connecting portion inlay and locate in the feeler lever, with feeler lever fixed connection.
As a further improvement, the connecting seat is made of non-metal high temperature resistant material.
As a further improvement of the present invention, the detecting rod is formed with a first step portion and a second step portion in the recess of one end of the connecting seat in sequence, and the connecting portion is fixed on the first step portion.
As a further improvement of the present invention, a lens is further disposed between the connecting seat and the detecting rod.
As a further improvement, the lens are located on the second step portion for focus on detecting light and block the flue gas particulate matter in the gas flow channel, prevent that it from causing the pollution to the laser subassembly, improve and detect the precision.
As a further improvement of the present invention, the laser module includes:
the laser mounting seat is provided with a connecting part and a mounting part, and the connecting part is embedded in the second channel;
the laser emitter is arranged on the mounting part of the laser mounting seat and used for emitting detection light to the first channel and the second channel;
the laser receiver is arranged on the mounting part of the laser mounting seat and used for receiving reflected detection light;
and a light path through hole which is matched with the laser transmitter and the laser receiver and used for conducting detection light is formed in the laser mounting seat.
As a further improvement, the light path through-hole is equipped with two, two the light path through-hole is respectively certainly laser emitter with laser receiver place to first passageway is close to the extension mutually, be provided with optic fibre in the light path through-hole, improve the focusing precision of lens to detecting light, further improve detection efficiency, this design also can prevent to interfere with each other between the optic fibre.
As a further improvement of the present invention, the mirror assembly includes a mirror and a mirror press block, the mirror is fixed to the first passage through the mirror press block, the mirror may be a prism, and it has a reflecting surface.
As a further improvement of the utility model, the reflector with still be equipped with the gasket between the reflector briquetting, play shock attenuation protection efficiency to the prism.
In one embodiment, a sensor is provided, comprising the sensor probe described above.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a sensor probe and sensor, can make the gas flow passageway just to flue gas or particulate matter direction of flowing through with sensor probe ann in high temperature, high pollution, in the pipeline of high corrosive environment, high temperature resistant, resistant vibration, it is corrosion-resistant, can real-time detection await measuring the concentration value of interior particulate matter of pipeline, the pipeline wall is arranged in to the mode of accessible unilateral installation, go deep into inside the pipeline, simple to operate, utilize inside plane of reflection to reflect the laser beam, the method that utilizes optical focusing improves the precision and the accuracy that detect, detect particulate matter concentration through this kind of mode, the thinking is novel, moreover, the steam generator is simple in structure, the mounting means is more simple and convenient, and the cost is reduced.
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 perspective view of a sensor probe according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of a sensor probe in an embodiment of the present application.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.
Referring to fig. 1 and 2, the embodiment provides a sensor probe, including feeler lever 1, connecting seat 2, laser assembly 3, reflector assembly 4 and lens 5, connecting seat 2 install in feeler lever 1 one end and with the feeler lever between threaded connection, laser assembly 3 threaded connection is on connecting seat 2, reflector assembly is fixed in the other end of feeler lever 1, lens 5 sets up in the junction of feeler lever 1 and connecting seat 2.
The detection rod 1 is a main rod body of the sensor probe, and needs to penetrate through an exhaust pipe (or a pipe to be detected) and be welded or fixed in other modes. The detection rod 1 is constructed into a cylindrical structure, a gas circulation channel 11 for gas to pass through is arranged in the middle of the detection rod along the radial direction of the detection rod, a first channel 12 is arranged in the detection rod 1 along the axial direction of the detection rod in a penetrating mode, the first channel 12 is communicated with the gas circulation channel 11, and a first step portion 13 and a second step portion 14 are sequentially formed at one end of the detection rod 1 in an inwards concave mode and used for installing the connecting seat 2 and the lens 5.
The connecting seat 2 is embedded in one side end part of the detection rod 1, the connecting seat 2 is also in a cylindrical shape, a second channel 21 which axially penetrates is arranged on the connecting seat 2, and the second channel 21 is horizontally communicated with the first channel 12; one end of the connecting base 2 is a connecting portion 22 matched with the first step portion, the connecting portion 22 is fixed on the first step portion 13 and can be connected with the detecting rod 1 through threads, and the connecting base 2 is made of a non-metal high-temperature-resistant material capable of dissipating heat quickly.
The laser component 3 is arranged at the other end of the connecting seat 2, and emits and receives detection light to the second channel 21 and the first channel 12; the laser assembly 3 includes a laser mounting seat 31, a laser emitter 32 and a laser receiver 33, the laser mounting seat 31 has a mounting seat connecting portion 311 and a mounting portion 312, the mounting seat connecting portion 311 is embedded in the second channel 21 of the connecting seat 2, and can be fixed by screw connection.
The mounting portion 312 has a mounting plate 3121, the mounting plate 3121 is respectively fixed with a laser transmitter 32 and a laser receiver 33, the laser transmitter 32 is used for emitting detection light to the first channel 12 and the second channel 21; the laser receiver 33 is used for receiving the reflected detection light.
Wherein, set up in the laser instrument mount pad 31 and cooperate with laser emitter 32 and laser receiver 33 and be used for conducting the light path through-hole 313 that detects light, light path through-hole 313 is equipped with two, two light path through-holes 313 are close to each other to first passageway 12 and second passageway 21 to the place of laser emitter 32 and laser receiver 33 respectively and extend, are provided with optic fibre in the light path through-hole 313 for the conduction detects light, improve the focus precision of lens to detecting light, further improve detection efficiency.
The reflector assembly 4 is disposed at the other end of the probe rod 1 and fixed in the first channel 12, and is configured to reflect the detection light emitted by the laser assembly 3 back into the laser assembly. The reflector assembly 4 includes a reflector 41 and a reflector pressing block 42, the reflector 41 is fixed in the first channel 12 through the reflector pressing block 42, the reflector 41 may be a prism and has a reflecting surface, and a gasket is further disposed between the reflector 41 and the reflector pressing block 42 to absorb shock and protect the prism.
In one embodiment, a sensor is provided, comprising the sensor probe described above.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a sensor probe and sensor, can make the gas flow passageway just to flue gas or particulate matter direction of flowing through with sensor probe ann in high temperature, high pollution, in the pipeline of high corrosive environment, high temperature resistant, resistant vibration, it is corrosion-resistant, can real-time detection await measuring the concentration value of interior particulate matter of pipeline, the pipeline wall is arranged in to the mode of accessible unilateral installation, go deep into inside the pipeline, simple to operate, utilize inside plane of reflection to reflect the laser beam, the method that utilizes optical focusing improves the precision and the accuracy that detect, detect particulate matter concentration through this kind of mode, the thinking is novel, moreover, the steam generator is simple in structure, the mounting means is more simple and convenient, and the cost is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 (10)
1. A sensor probe is fixed in an exhaust pipe or a pipeline to be detected, and is characterized by comprising:
the gas flow channel is arranged in the radial direction of the detection rod in a penetrating mode, the first channel is arranged in the axial direction of the detection rod in a penetrating mode, and the first channel is communicated with the gas flow channel;
the laser assembly is arranged at one end of the detection rod, and transmits and receives detection light rays to the first channel;
the connecting seat is arranged between the detection rod and the laser assembly, and a second channel communicated with the first channel is arranged in the connecting seat in a penetrating manner;
and the reflector component is arranged at the other end of the detection rod, is fixed in the first channel and is used for reflecting the detection light emitted by the laser component back to the laser component.
2. The sensor probe of claim 1, wherein the connecting base has a connecting portion embedded in the probe rod and fixedly connected to the probe rod.
3. The sensor probe of claim 2, wherein the probe rod is formed with a first step portion and a second step portion recessed in one end of the connecting seat, and the connecting portion is fixed to the first step portion.
4. The sensor probe of claim 3, wherein a lens is further disposed between the connecting socket and the probe rod.
5. The sensor probe of claim 4, wherein the lens is disposed on the second stepped portion.
6. The sensor probe of claim 1, wherein the laser assembly comprises:
the laser mounting seat is provided with a connecting part and a mounting part, and the connecting part is embedded in the second channel;
the laser emitter is arranged on the mounting part of the laser mounting seat and used for emitting detection light to the first channel and the second channel;
the laser receiver is arranged on the mounting part of the laser mounting seat and used for receiving reflected detection light;
and a light path through hole which is matched with the laser transmitter and the laser receiver and used for conducting detection light is formed in the laser mounting seat.
7. The sensor probe of claim 6, wherein there are two of the light path through holes, the two light path through holes respectively extend from the laser transmitter and the laser receiver to the first channel and are provided with optical fibers therein.
8. The sensor probe of claim 1, wherein the mirror assembly comprises a mirror and a mirror block, the mirror being secured within the first channel by the mirror block.
9. The sensor probe of claim 8, wherein a spacer is further disposed between the mirror and the mirror press block.
10. A sensor comprising a sensor probe according to any one of claims 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020233168165 | 2020-12-31 | ||
| CN202023316816 | 2020-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214794342U true CN214794342U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120196971.3U Active CN214794342U (en) | 2020-12-31 | 2021-01-25 | Sensor probe and sensor |
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| CN (1) | CN214794342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235655A (en) * | 2021-12-17 | 2022-03-25 | 数量级(上海)信息技术有限公司 | Novel laser PM sensor and method for monitoring PM in field to be measured |
-
2021
- 2021-01-25 CN CN202120196971.3U patent/CN214794342U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235655A (en) * | 2021-12-17 | 2022-03-25 | 数量级(上海)信息技术有限公司 | Novel laser PM sensor and method for monitoring PM in field to be measured |
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