CN214251988U

CN214251988U - Novel gas chamber

Info

Publication number: CN214251988U
Application number: CN202021878756.3U
Authority: CN
Inventors: 于志伟; 杨凤琴; 郭杰
Original assignee: Hangzhou Chunlai Technology Co Ltd
Current assignee: Hangzhou Chunlai Technology Co Ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-09-21
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a novel gas chamber, including the room body, be provided with measuring cell, speculum and collimation module on the room body, the speculum sets up in measuring the pond, the collimation module sets up on the lateral wall of gas chamber, be provided with the optical fiber splice who is used for connecting the light source on the collimation module, be provided with parabolic reflector in the collimation module and be used for adjusting parabolic reflector's adjusting part, parabolic reflector is used for carrying out the focus collimation to the light source of kicking into or jet out the measuring cell. The utility model discloses have the effectual and less beneficial effect of energy loss of focus.

Description

Novel gas chamber

Technical Field

The utility model relates to a gaseous detection area especially relates to a novel gas chamber.

Background

Among the current environment-friendly analyzer based on spectrum technique, the gas chamber is an indispensable subassembly, and the gas chamber mainly used holds the gas that awaits measuring, is that the environment-friendly analyzer carries out data acquisition's device. However, in the prior art, the detection light generated by the light source is directly emitted into the gas chamber through the optical fiber, which easily causes the unsatisfactory light-gathering effect of the detection light and easily causes energy loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel gas chamber that focusing effect is good and energy loss is few.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a novel gas chamber, includes the room body, is provided with measuring cell, speculum and collimation module on the room body, the speculum sets up in measuring the pond, the collimation module sets up on the lateral wall of gas chamber, be provided with the optical fiber splice who is used for connecting the light source on the collimation module, be provided with parabolic reflector in the collimation module and be used for adjusting parabolic reflector's adjusting part, parabolic reflector is used for carrying out the focus collimation to the light source of kicking into or jet out the measuring cell.

Preferably, the collimating module comprises a substrate, a first channel and a second channel which are communicated with each other are formed in the substrate, the parabolic reflector is arranged in the second channel, and the optical fiber connector is arranged in the first channel.

Preferably, the axial line of the first channel is perpendicular to the axial line of the second channel.

Preferably, the number of the adjusting assemblies is two, the two adjusting assemblies are respectively a first adjusting assembly and a second adjusting assembly, the first adjusting assembly penetrates through the upper end face of the base body from top to bottom and abuts against the upper surface of the parabolic reflector, and the second adjusting assembly penetrates through the lower end face of the base body from bottom to top and abuts against the lower surface of the parabolic reflector.

Preferably, the first adjusting component is a first adjusting screw, a first mounting groove is formed in the upper end face of the base body, a first sealing cover is arranged on the first mounting groove in a covering mode, a first adjusting screw is arranged at the bottom of the first mounting groove, and the first adjusting screw penetrates through the base body and abuts against the surface of the parabolic reflector.

Preferably, the second adjusting component is a second adjusting screw, a second mounting groove is formed in the upper end face of the base body, a second sealing cover covers the second mounting groove, a second adjusting screw is arranged at the bottom of the second mounting groove, and the second adjusting screw penetrates through the base body and abuts against the surface of the parabolic reflector.

Preferably, a third mounting groove is formed in the base body, a fixing plate is arranged in the third mounting groove, a set screw is arranged on the fixing plate, and the set screw penetrates through the fixing plate and is in threaded connection with the parabolic reflector.

Preferably, a third sealing cover is arranged on the third mounting groove in a covering manner.

Preferably, a sealing ring is arranged between the base body and the chamber body.

Preferably, three groups of reflectors with adjustable angles are arranged in the measuring cell.

Compared with the prior art, the utility model discloses be provided with the collimation module on the well gas chamber, be provided with the optical fiber splice who links to each other with optic fibre on the collimation module, the detection light that optic fibre produced like this jets into in the measuring cell after focusing through the parabolic mirror in the collimation module, has guaranteed the focusing effect of detecting the light, has also reduced the loss of detection light energy simultaneously, improves the accuracy of testing result.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of a collimating module according to a preferred embodiment of the present invention;

fig. 3 is a cross-sectional view of a collimating module in a preferred embodiment of the present invention;

fig. 4 is another cross-sectional view of a collimating module in a preferred embodiment of the present invention;

the names of the components marked in the figures are as follows:

1. a chamber body; 11. a measuring cell; 12. a mirror; 2. a collimation module; 21. a substrate; 22. a first channel; 23. a second channel; 3. a parabolic reflector; 4. an optical fiber splice; 5. a first adjusting screw; 51. a first mounting groove; 52. a first sealing cover; 6. a second adjusting screw; 61. a second mounting groove; 62. a second sealing cover; 7. a third mounting groove; 71. a fixing plate; 72. tightening the screw; 73. a third sealing cover; 8. and (5) sealing rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings 1 to 4 and the embodiments.

The utility model provides a novel gas chamber, includes the room body 1, is provided with measuring cell 11, speculum 12 and collimation module 2 on the room body 1, speculum 12 sets up in measuring cell 11, collimation module 2 sets up on the lateral wall of gas chamber, be provided with the optical fiber splice 4 that is used for connecting the light source on the collimation module 2, be provided with parabolic reflector 3 in the collimation module 2 and be used for adjusting parabolic reflector 3's adjusting part, parabolic reflector 3 is used for carrying out the focus collimation to the light source of kicking into or jet out measuring cell 11, and the benefit that sets up like this lies in, improves the light intensity of kicking into or jet out the light source, improves the accuracy of testing result.

Preferably, a groove for accommodating the collimating module 2 is formed in the outer side wall of the measuring cell 11 in a concave manner, an optical window through which a light source passes is formed in the side wall of the groove, when the collimating module 2 is arranged in the groove, detection light emitted by the light source passes through the optical window after being converged by the parabolic reflector 3 and then enters the measuring cell 11, and after being reflected for multiple times by the reflector 12 in the measuring cell 11, the detection light returns back through the original path after being converged by the parabolic reflector 3, so that the detection light is converged by the parabolic reflector 3, the loss of light intensity of the detection light when entering or exiting the measuring cell 11 is reduced, and the accuracy of a detection result is improved.

Further, when base member 21 sets up in the recess, be provided with sealing washer 8 between base member 21 and the room body 1 the two, the setting of sealing washer 8 is used for preventing that dust or impurity from falling into parabolic mirror 3 surface, causes the damage and influences the production of its normal use phenomenon to parabolic mirror 3.

Further, collimation module 2 includes base member 21, has seted up the first passageway 22 and the second passageway 23 that the intercommunication set up in base member 21, parabolic reflector 3 sets up in second passageway 23, optical fiber splice 4 sets up in first passageway 22, and is concrete, the axial lead of first passageway 22 and the axial lead of second passageway 23 set up perpendicularly, and the benefit that sets up like this lies in, parabolic reflector 3 has the detection light with different wave bands and assembles to same focus play, thereby enlarges the utility model discloses a practical scope, and detect light from optical fiber splice's incident angle and through both perpendicular of parabolic reflector 3 back outgoing angle, have the effect of assembling that improves parabolic reflector 3, reduce the production of detecting light energy dissipation phenomenon.

Further, a third mounting groove 7 is formed in the base body 21, a fixing plate 71 is arranged in the third mounting groove 7, a set screw 72 is arranged on the fixing plate 71, and the set screw 72 penetrates through the fixing plate 71 and is in threaded connection with the parabolic reflector 3, so that the stability of the mounting position of the parabolic reflector 3 is guaranteed.

Further, a third sealing cover 73 covers the third mounting groove 7, and the third sealing cover 73 is arranged to reduce dust or impurities falling into the third mounting groove 7 in the practical process.

Preferably, the number of the adjusting components is two, and the two adjusting components are respectively arranged on the upper end face and the lower end face of the parabolic reflector 3, so that an operator can finely adjust the angle of the parabolic reflector 3 through the two adjusting components.

Further, two sets of adjusting part are first adjusting part and second adjusting part respectively, and is specific, first adjusting part top-down passes base member 21 up end and supports and lean on in parabolic mirror 3 upper surface, second adjusting part passes base member 21 down the terminal surface from bottom to top and supports and support and lean on in parabolic mirror 3 lower surface, sets up like this and has made things convenient for operating personnel to carry out the angle fine setting to parabolic mirror 3.

Further, a first mounting groove 51 is formed in the upper end face of the base 21, a first sealing cover 52 is covered on the first mounting groove 51, a first adjusting screw 5 is arranged at the bottom of the first mounting groove 51, the first adjusting screw 5 penetrates through the base 21 and abuts against the surface of the parabolic reflector 3, and an operator can adjust the angle of the parabolic reflector 3 by rotating the first adjusting screw 5.

Further, a second mounting groove 61 has been seted up at the lower terminal surface of base member 21, second mounting groove 61 upper cover is equipped with the sealed lid 62 of second, second mounting groove 61 bottom is provided with second adjusting screw 6, second adjusting screw 6 passes base member 21 and supports and lean on in parabolic mirror 3 surface, and operating personnel can adjust parabolic mirror 3's angle through rotating first adjusting screw 5 and second adjusting screw 6 like this, has enlarged the utility model discloses a application range.

Preferably, at least three groups of reflectors 12 with adjustable angles are arranged in the measuring cell 11, and the arrangement of the reflectors 12 increases the optical path of the detection light between the measuring cell 11 and can realize the return of the detection light along the original path, thereby improving the accuracy of the detection result.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent changes and modifications made according to the present invention are covered by the scope of the claims of the present invention, which is not illustrated herein.

Claims

1. The utility model provides a novel gas chamber, its characterized in that, includes the room body, is provided with measuring cell, speculum and collimation module on the room body, the speculum sets up in measuring the pond, the collimation module sets up on the lateral wall of gas chamber, be provided with the fiber splice who is used for connecting the light source on the collimation module, be provided with parabolic reflector in the collimation module and be used for adjusting parabolic reflector's adjusting part, parabolic reflector is used for carrying out the focus collimation to the light source of kicking into or jet out the measuring cell.

2. The novel gas cell as claimed in claim 1, wherein the collimating module comprises a base body, a first channel and a second channel are formed in the base body, the first channel and the second channel are connected, the parabolic reflector is disposed in the second channel, and the optical fiber connector is disposed in the first channel.

3. A novel gas cell as claimed in claim 2 wherein the axis of the first passageway is perpendicular to the axis of the second passageway.

4. The novel gas chamber as claimed in claim 2, wherein the number of the adjusting components is two, and the two adjusting components are a first adjusting component and a second adjusting component respectively, the first adjusting component passes through the upper end surface of the base from top to bottom and abuts against the upper surface of the parabolic reflector, and the second adjusting component passes through the lower end surface of the base from bottom to top and abuts against the lower surface of the parabolic reflector.

5. The novel gas chamber as claimed in claim 4, wherein the first adjusting component is a first adjusting screw, a first mounting groove is formed on the upper end surface of the base, a first sealing cover is covered on the first mounting groove, a first adjusting screw is arranged at the bottom of the first mounting groove, and the first adjusting screw passes through the base and abuts against the surface of the parabolic reflector.

6. The novel gas chamber as claimed in claim 4, wherein the second adjusting component is a second adjusting screw, a second mounting groove is formed on the upper end surface of the base, a second sealing cover is covered on the second mounting groove, a second adjusting screw is arranged at the bottom of the second mounting groove, and the second adjusting screw passes through the base and abuts against the surface of the parabolic reflector.

7. A novel gas cell as claimed in claim 2 wherein a third mounting groove is provided in the base, a retaining plate is provided in the third mounting groove and a set screw is provided in the retaining plate, the set screw passing through the retaining plate and being threadedly connected to the parabolic reflector.

8. The novel gas cell as claimed in claim 7, wherein a third sealing cover is provided on the third mounting groove.

9. A novel gas cell as claimed in claim 2 wherein a sealing ring is provided between the base and the cell body.

10. A novel gas cell as claimed in claim 1 wherein three sets of angularly adjustable mirrors are provided in the measuring cell.