CN212207078U - Laser oxygen analysis air chamber - Google Patents
Laser oxygen analysis air chamber Download PDFInfo
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- CN212207078U CN212207078U CN202020865575.0U CN202020865575U CN212207078U CN 212207078 U CN212207078 U CN 212207078U CN 202020865575 U CN202020865575 U CN 202020865575U CN 212207078 U CN212207078 U CN 212207078U
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Abstract
The utility model discloses a laser oxygen analysis air chamber, including laser instrument transmitting end support, laser instrument transmitting end fixed plate, first biconvex focusing mirror support, second biconvex focusing mirror support, laser oxygen chamber, laser receiving end support, laser receiving end and laser receiving end fixed plate, laser instrument transmitting end support, laser oxygen chamber and laser receiving end set gradually from left to right, install first transmitting end nitrogen gas inlet joint and second transmitting end nitrogen gas outlet joint above the laser instrument transmitting end support, one side that laser instrument transmitting end fixed plate keeps away from laser instrument transmitting end support is installed components and parts oxygen laser, lets in the oxygen sample gas that needs the measurement on the laser oxygen chamber to accomplish the measurement of sample gas, the maintenance is simple and easy on the product maintenance, and the maintenance cycle is long, and the light path structure is simple, the dimming is easy, the calibration and verification can be carried out on site, and the limitation of site installation conditions is avoided.
Description
Technical Field
The utility model relates to an analytical instrument, optical device technical field especially relate to a laser oxygen analysis air chamber.
Background
Along with the improvement of various requirements of safety production in the industrial environment and the production and processing environment, the safety monitoring of the environment such as methane, carbon monoxide and hydrogen which are easy to appear in the production process is required, such as: the monitoring precision of oxygen becomes an indispensable important component of safety production in environmental monitoring of steel mills, coal gasification and biomass gasification, and various monitoring instruments for oxygen concentration are continuously technically innovated.
The existing market uses various imported and domestic developed and produced measuring systems, but the measuring systems can not meet the actual use requirements better at present, and the existing market mainly comprises electrochemical measuring methods, zirconia measuring methods, paramagnetic oxygen measuring methods and the like.
For existing electrochemical measurements. The zero point is easy to drift, the instrument needs to be calibrated continuously, the inaccuracy of measurement is easy to send out safety accidents, and meanwhile, the electrochemical measurement method is easy to lose efficacy and short in service life, which is one of the defects of the method; the defects of the zirconia measurement method and the electrochemical measurement method are similar, the zero point is easy to drift, and the instrument needs to be calibrated ceaselessly. In paramagnetic oxygen measurement, although the zero drift is not large, the requirement on the flow of the measured sample gas is very high, the flow of the sample gas must be very stable, the pressure of the sample gas is required to be higher, the requirement on use is higher, and the sample gas is easy to damage and difficult to maintain.
Therefore, the measurement of oxygen available on the market can meet the measurement requirement, but the measurement is more or less inconvenient in use and operation, so that unnecessary production accidents are easy to occur, and various threats exist to the lives of various workers in production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the laser oxygen analysis gas chamber is provided for solving the problems that zero points are easy to drift, high requirements on users and the environment are high, and the service life is short.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a laser oxygen analysis air chamber comprises a laser transmitting end support, a laser transmitting end fixing plate, a first biconvex focusing mirror support, a second biconvex focusing mirror support, a laser oxygen chamber, a laser receiving end support, a laser receiving end and a laser receiving end fixing plate, wherein the laser transmitting end fixing plate, the laser transmitting end support, the laser oxygen chamber and the laser receiving end are sequentially arranged from left to right, the laser transmitting end support is provided with a first transmitting end nitrogen gas inlet connector and a second transmitting end nitrogen gas outlet connector, one side of the laser transmitting end fixing plate, which is far away from the laser transmitting end support, is provided with an oxygen laser, the laser oxygen chamber is used for connecting the laser transmitting end support and the laser receiving end support, the laser oxygen chamber is provided with a first oxygen sample gas inlet connector and a second oxygen sample gas outlet connector, install first receiving terminal nitrogen gas inlet joint and second receiving terminal nitrogen gas joint of giving vent to anger above the laser instrument receiving terminal, the laser receiving terminal fixed plate is kept away from one side of laser instrument receiving terminal support and is installed the oxygen receiver, install first biconvex focusing mirror on the first biconvex focusing mirror support, and first biconvex focusing mirror support mounting is between laser oxygen chamber and laser instrument transmitting terminal support, install the second biconvex focusing mirror on the second biconvex focusing mirror support, and the second biconvex focusing mirror support mounting is between laser oxygen chamber and laser instrument receiving terminal support.
Preferentially, the oxygen laser and the laser transmitting end fixing plate are in sealing connection, and the laser transmitting end fixing plate is in sealing connection with the laser transmitting end support through a first O-shaped sealing ring after the oxygen laser is installed.
Preferentially, a first focusing mirror locking nut and a third O-shaped sealing ring are arranged between the first biconvex focusing mirror support and the laser oxygen chamber, and the first focusing mirror locking nut presses the first biconvex focusing mirror to seal the third O-shaped sealing ring after pressing the third O-shaped sealing ring.
Preferably, the first biconvex focusing mirror support is connected with the laser emission end support in a sealing manner through a second O-shaped sealing ring after the first biconvex focusing mirror is installed on the first biconvex focusing mirror support.
Preferably, the oxygen receiver and the laser receiving end fixing plate are in sealing connection, and the laser receiving end fixing plate is in sealing connection with the laser receiving end support through a fourth O-shaped sealing ring after the oxygen receiver is installed.
Preferably, a second focusing lens locking nut and a sixth O-shaped sealing ring are arranged between the second biconvex focusing lens support and the laser oxygen chamber, and the second focusing lens locking nut presses the sixth O-shaped seal and then presses the second biconvex focusing lens to seal the second biconvex focusing lens.
Preferably, the second biconvex focusing mirror support is connected with the laser receiving end support in a sealing manner through a fifth O-shaped sealing ring after the second biconvex focusing mirror is mounted on the second biconvex focusing mirror support.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, install the left side at laser oxygen chamber with laser oxygen transmitting terminal, the right side at laser oxygen chamber is installed to laser oxygen receiving terminal, laser oxygen analysis air chamber is to the nitrogen gas of installing respectively of laser oxygen receiving terminal and laser oxygen transmitting terminal when appearance gas measurement lets out the joint and lets in nitrogen gas respectively, the oxygen of remaining in the air of laser oxygen transmitting terminal and laser oxygen receiving terminal when cleaing away the installation, it needs the measuring oxygen appearance gas to let in on the laser oxygen chamber, thereby accomplish the measurement of appearance gas, it is simple and easy to maintain on the product maintenance, the maintenance cycle length, light path simple structure, it is easy to adjust luminance, can on-the-spot mark verify, do not receive the restriction of on-the-spot.
Drawings
FIG. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the laser oxygen chamber of the present invention;
illustration of the drawings:
1.1, an oxygen laser; 1.2, fixing a laser transmitting end plate; 1.3, a first O-shaped sealing ring; 1.4, a laser transmitting end support; 1.5, a nitrogen gas inlet joint at a first emission end; 1.6, a nitrogen gas outlet joint of a second emission end; 1.7, a second O-shaped sealing ring; 1.8, a first biconvex focusing mirror support; 1.9, a first biconvex focusing mirror; 1.10, a third O-shaped sealing ring; 1.11, a first focusing mirror locking nut; 2.1, laser oxygen chamber; 2.2, a first oxygen sample gas inlet joint; 2.3, a second oxygen sample gas outlet joint; 3.1, an oxygen receiver; 3.2, fixing a laser receiving end plate; 3.3, a fourth O-shaped sealing ring; 3.4, a laser receiving end support; 3.5, a nitrogen gas inlet joint of a first receiving end; 3.6, a nitrogen gas outlet joint of a second receiving end; 3.7, a fifth O-shaped sealing ring; 3.8, a second double-convex focusing lens support; 3.9, a second biconvex focusing mirror; 3.10, a sixth O-shaped sealing ring; 3.11, second focusing lens lock nut.
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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a laser oxygen analysis air chamber comprises a laser emitting end support 1.4, a laser emitting end fixing plate 1.2, a first biconvex focusing lens support 1.8, a second biconvex focusing lens support 3.8, a laser oxygen chamber 2.1, a laser receiving end support 3.4, a laser receiving end 3.1 and a laser receiving end fixing plate 3.2, the laser emitting end fixing plate 1.2, the laser emitting end support 1.4, the laser oxygen chamber 2.1 and the laser receiving end 3.1 are sequentially arranged from left to right, a first emitting end nitrogen inlet connector 1.5 and a second emitting end nitrogen outlet connector 1.6 are arranged on the laser emitting end support 1.4, an oxygen laser 1.1 is arranged on one side of the laser emitting end fixing plate 1.2, which is far away from the laser emitting end support 1.4, the laser oxygen chamber 2.1 is used for connecting the laser emitting end support 1.4 with the laser receiving end support 3.4, a first oxygen sample inlet connector 2.2 and a second oxygen sample connector 2.2 are arranged on the laser chamber 2.1, a first receiving end nitrogen gas inlet joint 3.5 and a second receiving end nitrogen gas outlet joint 3.6 are installed on the laser receiving end 3.1, an oxygen receiver 3.1 is installed on one side, far away from the laser receiving end support 3.4, of the laser receiving end fixing plate 3.2, a first biconvex focusing mirror 1.9 is installed on the first biconvex focusing mirror support 1.8, the first biconvex focusing mirror support 1.8 is installed between the laser oxygen chamber 2.1 and the laser transmitting end support 1.4, a second biconvex focusing mirror 3.9 is installed on the second biconvex focusing mirror support 3.8, and the second biconvex focusing mirror support 3.8 is installed between the laser oxygen chamber 2.1 and the laser receiving end support 3.4.
Specifically, the oxygen laser 1.1 and the laser emitting end fixing plate 1.2 are in sealing connection, and the laser emitting end fixing plate 1.2 is in sealing connection with the laser emitting end support 1.4 through the first O-shaped sealing ring 1.3 after the oxygen laser 1.1 is installed.
Specifically, a first focusing lens locking nut 1.11 and a third O-shaped sealing ring 1.10 are arranged between a first biconvex focusing lens support 1.8 and a laser oxygen chamber 2.1, and the first focusing lens locking nut 1.11 presses the third O-shaped sealing ring 1.10 and then presses a first biconvex focusing lens 1.9 to seal the third biconvex focusing lens.
Specifically, the first biconvex focusing lens support 1.8 is hermetically connected with the laser emission end support 1.4 through a second O-ring seal 1.7 after the first biconvex focusing lens 1.9 is mounted.
Specifically, the oxygen receiver 3.1 and the laser receiving end fixing plate 3.2 are in sealing connection, and the laser receiving end fixing plate 3.2 is in sealing connection with the laser receiving end support 3.4 through the fourth O-shaped sealing ring 3.3 after the oxygen receiver 3.1 is installed.
Specifically, a second focusing lens locking nut 3.11 and a sixth O-shaped sealing ring 3.10 are arranged between the second double-convex focusing lens support 3.8 and the laser oxygen chamber 2.1, and the second focusing lens locking nut 3.11 presses the sixth O-shaped seal 3.10 and then presses the second double-convex focusing lens 3.9 to seal the second double-convex focusing lens.
Specifically, the second double-convex focusing lens support 3.8 is hermetically connected with the laser receiving end support 3.4 through a fifth O-ring 3.7 after the second double-convex focusing lens 3.9 is mounted.
The working principle is as follows: when in use, oxygen sample gas to be measured is introduced into a first oxygen sample gas inlet joint 2.2 arranged on a laser oxygen chamber 2.1, nitrogen is introduced into a first transmitting end nitrogen gas inlet joint 1.5 and a first receiving end nitrogen gas inlet joint 3.5 at the same time, then pipelines are correspondingly connected with the first oxygen sample gas outlet joint 2.3, a second transmitting end nitrogen gas outlet joint 1.6 and a second receiving end nitrogen gas outlet joint 3.6, redundant oxygen and nitrogen are discharged, after the gases are connected, an oxygen laser 1.1 is electrified, an optical signal emitted by the oxygen laser 1.1 is condensed by a first biconvex focusing mirror 1.9 and then irradiated to a second biconvex focusing mirror 3.9, then the optical signal is transmitted to an oxygen receiver 3.1 from the second biconvex focusing mirror 3.9, the optical signal is converted into an electrical signal by the oxygen receiver 3.1 after the optical signal is received, and the concentration of the oxygen to be measured in the laser oxygen chamber 2.1 is calculated to obtain required data, accomplish and calculate, the utility model discloses the product is maintained simply on maintaining, maintains the cycle length, and light path simple structure to reach accurate measurement.
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 (7)
1. The utility model provides a laser oxygen analysis air chamber, includes laser instrument transmitting end support (1.4), laser instrument transmitting end fixed plate (1.2), first biconvex focusing mirror support (1.8), second biconvex focusing mirror support (3.8), laser oxygen chamber (2.1), laser receiving end support (3.4), laser receiving end (3.1) and laser receiving end fixed plate (3.2), its characterized in that: the laser transmitting end fixing plate (1.2), the laser transmitting end support (1.4), the laser oxygen chamber (2.1) and the laser receiving end (3.1) are sequentially arranged from left to right, a first transmitting end nitrogen gas inlet connector (1.5) and a second transmitting end nitrogen gas outlet connector (1.6) are installed on the laser transmitting end support (1.4), one side, away from the laser transmitting end support (1.4), of the laser transmitting end fixing plate (1.2) is provided with an oxygen laser (1.1), the laser oxygen chamber (2.1) is used for connecting the laser transmitting end support (1.4) and the laser receiving end support (3.4), a first oxygen sample gas inlet connector (2.2) and a second oxygen sample gas outlet connector (2.3) are installed on the laser oxygen chamber (2.1), a first nitrogen gas inlet connector (3.5) and a second nitrogen gas outlet connector (3.6) are installed on the laser receiving end (3.1), oxygen receiver (3.1) are installed to one side that laser receiving end support (3.4) was kept away from in laser receiving end fixed plate (3.2), install first biconvex focusing mirror (1.9) on first biconvex focusing mirror support (1.8), and install between laser oxygen chamber (2.1) and laser instrument transmitting end support (1.4) first biconvex focusing mirror support (1.8), install second biconvex focusing mirror (3.9) on second biconvex focusing mirror support (3.8), and second biconvex focusing mirror support (3.8) is installed between laser oxygen chamber (2.1) and laser instrument receiving end support (3.4).
2. A laser oxygen analysis gas cell according to claim 1, wherein: adopt sealing connection between oxygen laser instrument (1.1) and laser instrument transmitting end fixed plate (1.2), laser instrument transmitting end fixed plate (1.2) is through first O type sealing washer (1.3) sealing connection between having installed oxygen laser instrument (1.1) back and laser instrument transmitting end support (1.4).
3. A laser oxygen analysis gas cell according to claim 1, wherein: be equipped with first focusing mirror lock nut (1.11) and third O type sealing washer (1.10) between first biconvex focusing mirror support (1.8) and laser oxygen chamber (2.1), first focusing mirror lock nut (1.11) is suppressed first biconvex focusing mirror (1.9) and is sealed it after pushing down third O type sealing washer (1.10).
4. A laser oxygen analysis gas cell according to claim 1, wherein: the first biconvex focusing lens support (1.8) is connected with the laser emission end support (1.4) in a sealing mode through a second O-shaped sealing ring (1.7) after the first biconvex focusing lens (1.9) is installed.
5. A laser oxygen analysis gas cell according to claim 1, wherein: the oxygen receiver (3.1) and the laser receiving end fixing plate (3.2) are in sealing connection, and the laser receiving end fixing plate (3.2) is in sealing connection with the laser receiving end support (3.4) through a fourth O-shaped sealing ring (3.3) after the oxygen receiver (3.1) is installed.
6. A laser oxygen analysis gas cell according to claim 1, wherein: a second focusing lens locking nut (3.11) and a sixth O-shaped sealing ring (3.10) are arranged between the second double-convex focusing lens support (3.8) and the laser oxygen chamber (2.1), and the second focusing lens locking nut (3.11) presses the sixth O-shaped seal (3.10) and then presses the second double-convex focusing lens (3.9) to seal the second double-convex focusing lens.
7. A laser oxygen analysis gas cell according to claim 1, wherein: and the second double-convex focusing lens support (3.8) is hermetically connected with the laser receiving end support (3.4) through a fifth O-shaped sealing ring (3.7) after the second double-convex focusing lens (3.9) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020865575.0U CN212207078U (en) | 2020-05-21 | 2020-05-21 | Laser oxygen analysis air chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020865575.0U CN212207078U (en) | 2020-05-21 | 2020-05-21 | Laser oxygen analysis air chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212207078U true CN212207078U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020865575.0U Active CN212207078U (en) | 2020-05-21 | 2020-05-21 | Laser oxygen analysis air chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212207078U (en) |
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2020
- 2020-05-21 CN CN202020865575.0U patent/CN212207078U/en active Active
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