CN211955202U - Integrated gas detection probe based on laser spectrum absorption - Google Patents
Integrated gas detection probe based on laser spectrum absorption Download PDFInfo
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- CN211955202U CN211955202U CN202020766300.1U CN202020766300U CN211955202U CN 211955202 U CN211955202 U CN 211955202U CN 202020766300 U CN202020766300 U CN 202020766300U CN 211955202 U CN211955202 U CN 211955202U
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Abstract
The utility model discloses an integrative gas test probe based on laser spectrum absorption, including detecting the casing, equal fixedly connected with intake pipe on the lateral wall around the detection casing, fixedly connected with annular frame on the intake pipe inner wall, and fixedly connected with filter screen on the inner wall of annular frame, trapezoidal opening has all been seted up on the lateral wall about the detection casing, fixedly connected with detection circuitry in the trapezoidal opening, two electrically conductive posts with external power source intercommunication of fixedly connected with on detection circuitry's the lateral wall, two baffles of fixedly connected with on the inner wall of detection casing, and form the cavity, two between baffle and the detection circuitry all be provided with the laser detection mechanism with outside gas contact in the cavity. The utility model discloses can carry out the experiment of two sets of gaseous detections simultaneously to two sets of experiments mutual independence, each other do not influence, and the result that detects moreover can contrast, has increased the accuracy nature of testing result.
Description
Technical Field
The utility model relates to a gaseous detection technology field especially relates to gaseous test probe of integration based on laser spectrum absorption.
Background
In recent years, with the increasing importance of the country on environmental protection, the development of optical non-contact gas detection technology is rapid. The gas measurement technology based on tunable laser absorption spectrum has the advantages of no need of pretreatment, quick response, accurate data, simultaneous detection of multiple parameters and the like, and becomes one of the representative technologies of the current real-time online gas detection.
Most of existing gas detection probes can only detect airflow in one direction singly, and lack of contrast detection, accuracy of detection results is relatively reduced, and in addition, the existing laser spectrum detection probes are complex in structure and increase in use cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcomings existing in the prior art, and providing an integrated gas detection probe based on laser spectrum absorption.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
integrative gas test probe based on laser spectrum absorption, including detecting the casing, equal fixedly connected with intake pipe on the lateral wall around the detection casing, fixedly connected with annular frame on the intake pipe inner wall, and fixedly connected with filter screen on the inner wall of annular frame, trapezoidal opening has all been seted up on the lateral wall about the detection casing, fixedly connected with detection circuitry in the trapezoidal opening, two and external power source intercommunication of fixedly connected with lead electrical pillar on detection circuitry's the lateral wall, two baffles of fixedly connected with on the inner wall of detection casing, and form the cavity, two between baffle and the detection circuitry all be provided with the laser detection mechanism with external gas contact in the cavity.
Preferably, the front side wall and the rear side wall of the detection shell are fixedly connected with rectangular installation blocks, the upper ends of the rectangular installation blocks are provided with installation holes which are communicated up and down, and fastening bolts fixed with an external structure can be connected in the installation holes.
Preferably, the side wall of the air inlet pipe opposite to the detection shell is fixedly sleeved with an annular supporting piece, and the annular supporting piece is fixedly connected with the detection shell through a plurality of bolts.
Preferably, the laser detection mechanism includes the laser instrument of fixed connection on detecting shells inner wall, two spinal branch poles of fixedly connected with on the relative lateral wall of baffle and laser instrument, and two spinal branch poles keep away from the first reflector of fixedly connected with and second reflector respectively on the lateral wall of baffle, first reflector sets up with the laser instrument relatively, and the second reflector sets up with first reflector relatively, fixedly connected with and the photoelectric circuit board that the second reflector is relative on detecting the inner wall of casing.
Preferably, the gas detection detector is fixedly connected to the side wall of the photoelectric circuit board, a plurality of exhaust holes are formed in the side wall of the partition plate, the exhaust pipe is fixedly connected to the lower end of the detection shell and communicated with the exhaust holes, and an exhaust valve is fixedly connected to the side wall of the exhaust pipe.
Preferably, the laser and the photoelectric circuit board are electrically connected with the detection circuit by wires respectively.
Compared with the prior art, the beneficial effects of the utility model are that: this practicality is through all being provided with the intake pipe in both sides around detecting the casing, and then can carry out the experiment that two sets of gases detected simultaneously to two sets of experiments mutual independence, each other do not influence, and the result that detects moreover can contrast, has increased the accuracy nature of testing result, and this practicality in addition can carry out preliminary detection to gas under laser detection mechanism's use, and detection circuitry can be connected with outside display device, and the efficiency of detection is guaranteed to the structure that timely reaction detected.
Drawings
Fig. 1 is a schematic diagram of an external structure of an integrated gas detection probe based on laser spectrum absorption according to the present invention;
fig. 2 is a cross-sectional view of the overlooking structure of the integrated gas detection probe based on laser spectrum absorption provided by the present invention;
fig. 3 is an external overlook structure diagram of the integrated gas detection probe based on laser spectrum absorption according to the present invention.
In the figure: the device comprises a detection shell 1, an air inlet pipe 2, a filter screen 3, a detection circuit 4, a conductive column 5, a partition board 6, a rectangular mounting block 7, an annular support 8, a laser 9, a support rod 10, a first reflective mirror 11, a second reflective mirror 12, a photoelectric circuit board 13 and an exhaust pipe 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, integrative gas detection probe based on laser spectrum absorption, including detecting casing 1, equal fixedly connected with intake pipe 2 on the front and back lateral wall of detecting casing 1, intake pipe 2 has fixed the cup joint annular support piece 8 on the lateral wall relative with detecting casing 1, by a plurality of bolt fixed connection between annular support piece 8 and the detecting casing 1, be convenient for intake pipe 2 and the dismouting between the detecting casing 1, fixedly connected with annular frame on the 2 inner walls of intake pipe, and fixedly connected with filter screen 3 on the inner wall of annular frame, can filter outside solid impurity, guarantee the quality that detects.
Wherein, the left and right side walls of the detecting shell 1 are both provided with trapezoidal openings, the trapezoidal openings are internally and fixedly connected with a detecting circuit 4, the outer side wall of the detecting circuit 4 is fixedly connected with two conductive posts 5 communicated with an external power supply, the inner wall of the detecting shell 1 is fixedly connected with two clapboards 6, a cavity is formed between the clapboards 6 and the detecting circuit 4, two cavities are internally and respectively provided with a laser detecting mechanism contacted with external gas, the laser detecting mechanism comprises a laser 9 fixedly connected on the inner wall of the detecting shell 1, the side wall of the clapboard 6 opposite to the laser 9 is fixedly connected with two support rods 10, the side wall of the two support rods 10 far away from the clapboard 6 is respectively and fixedly connected with a first reflective mirror 11 and a second reflective mirror 12, the first reflective mirror 11 is arranged opposite to the laser 9, the second reflective mirror 12 is arranged opposite to the first reflective mirror 11, the inner wall of the detecting shell 1 is fixedly connected with a photoelectric circuit board 13 opposite, laser instrument 9 and photoelectric circuit board 13 and detection circuitry 4 between by wire electric connection respectively, it is further, the gaseous detector that detects of fixedly connected with on the lateral wall of photoelectric circuit board 13, a plurality of exhaust holes have all been seted up on two 6 lateral walls of baffle, and detect the blast pipe 14 of lower extreme fixedly connected with and exhaust hole intercommunication of casing 1, fixedly connected with discharge valve on the lateral wall of blast pipe 14, under laser detection mechanism's use, can carry out preliminary detection to gas, and detection circuitry can be connected with outside display device, and this detection circuitry is prior art product, no longer describe herein.
Wherein, detect equal fixedly connected with rectangle installation piece 7 on the lateral wall around casing 1, and the mounting hole of intercommunication about the upper end of rectangle installation piece 7 is seted up, can be connected with the fastening bolt who fixes with the exterior structure in the mounting hole, be convenient for detect casing 1 and exterior structure's fixed and dismantlement, increased test probe's application scope.
The utility model discloses a both sides all are provided with intake pipe 2 around detecting casing 1, and then can carry out the experiment that two sets of gases detected simultaneously to two sets of experiments mutual independence, each other do not influence, and the result that detects moreover can contrast, has increased the accuracy nature of testing result, in addition the utility model discloses under laser detection mechanism's use, can carry out preliminary detection to gas to detection circuitry 4 can be connected with outside display device, and the efficiency of detection is guaranteed to the structure that timely reaction detected.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An integrated gas detection probe based on laser spectrum absorption comprises a detection shell (1), it is characterized in that the front side wall and the rear side wall of the detection shell (1) are both fixedly connected with an air inlet pipe (2), the inner wall of the air inlet pipe (2) is fixedly connected with an annular frame, and the inner wall of the annular frame is fixedly connected with a filter screen (3), the left side wall and the right side wall of the detection shell (1) are both provided with a trapezoidal opening, a detection circuit (4) is fixedly connected in the trapezoidal opening, two conductive posts (5) communicated with an external power supply are fixedly connected on the outer side wall of the detection circuit (4), two clapboards (6) are fixedly connected on the inner wall of the detection shell (1), and a cavity is formed between the partition plate (6) and the detection circuit (4), and laser detection mechanisms which are in contact with external gas are arranged in the two cavities.
2. The integrated gas detection probe based on laser spectrum absorption according to claim 1, wherein the front and rear side walls of the detection housing (1) are fixedly connected with rectangular mounting blocks (7), the upper ends of the rectangular mounting blocks (7) are provided with mounting holes which are communicated up and down, and the mounting holes can be connected with fastening bolts which are fixed with external structures.
3. The integrated gas detection probe based on laser spectrum absorption according to claim 1, wherein an annular support member (8) is fixedly sleeved on the side wall of the gas inlet pipe (2) opposite to the detection shell (1), and the annular support member (8) is fixedly connected with the detection shell (1) through a plurality of bolts.
4. The integrated gas detection probe based on laser spectrum absorption according to claim 1, wherein the laser detection mechanism comprises a laser (9) fixedly connected to the inner wall of the detection housing (1), two support rods (10) are fixedly connected to the side wall of the partition (6) opposite to the laser (9), a first reflective mirror (11) and a second reflective mirror (12) are respectively fixedly connected to the side walls of the two support rods (10) far away from the partition (6), the first reflective mirror (11) is arranged opposite to the laser (9), the second reflective mirror (12) is arranged opposite to the first reflective mirror (11), and a photoelectric circuit board (13) opposite to the second reflective mirror (12) is fixedly connected to the inner wall of the detection housing (1).
5. The integrated gas detection probe based on laser spectrum absorption according to claim 4, wherein the sidewall of the photoelectric circuit board (13) is fixedly connected with a gas detection detector, the sidewalls of the two partition plates (6) are respectively provided with a plurality of exhaust holes, the lower end of the detection shell (1) is fixedly connected with an exhaust pipe (14) communicated with the exhaust holes, and the sidewall of the exhaust pipe (14) is fixedly connected with an exhaust valve.
6. The integrated gas detection probe based on laser spectral absorption according to claim 4, characterized in that the laser (9) and the photoelectric circuit board (13) are electrically connected with the detection circuit (4) through wires respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766300.1U CN211955202U (en) | 2020-05-11 | 2020-05-11 | Integrated gas detection probe based on laser spectrum absorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766300.1U CN211955202U (en) | 2020-05-11 | 2020-05-11 | Integrated gas detection probe based on laser spectrum absorption |
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| Publication Number | Publication Date |
|---|---|
| CN211955202U true CN211955202U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020766300.1U Active CN211955202U (en) | 2020-05-11 | 2020-05-11 | Integrated gas detection probe based on laser spectrum absorption |
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|---|---|
| CN (1) | CN211955202U (en) |
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2020
- 2020-05-11 CN CN202020766300.1U patent/CN211955202U/en active Active
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