CN209215211U

CN209215211U - Multiple reflections measuring chamber

Info

Publication number: CN209215211U
Application number: CN201821863888.1U
Authority: CN
Inventors: 施林辉; 李玲
Original assignee: Hangzhou Zhongling Technology Co Ltd
Current assignee: Hangzhou Zhongling Technology Co Ltd
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2019-08-06
Anticipated expiration: 2028-11-13

Abstract

The utility model relates to technical field of optical detection, and disclose multiple reflections measuring chamber, including xenon source, measuring chamber is fixedly connected on the right side of the xenon source, the inside of the measuring chamber is connected with the first reflecting module far from the side of xenon source, and the screw top of first reflecting module is connected with the first adjusting screw, the second adjusting screw and third and adjusts screw.The multiple reflections measuring chamber, it is emitted beam by xenon source, it is mapped to measuring chamber back warp and crosses the first reflecting module again to the second reflecting module, most Zhongdao receiving end joint, user can adjust the irradiation position of light according to the result of measurement, measuring chamber is projected to will not influence light, while to ensure that equal energy, increase optical path, and then ultraviolet optical absorbance is improved, the lower limit of detection is more low, and the concentration of measurement indoor gas is obtained using ultraviolet difference absorption spectrum, that detects is high-efficient, user-friendly.

Description

Multiple reflections measuring chamber

Technical field

The utility model relates to technical field of optical detection, specially a kind of multiple reflections measuring chamber.

Background technique

National Development and Reform Committee, State Ministry of Environmental Protection, National Energy Board dispatch a joint document " about printing and distributing " coal electricity energy-saving and emission-reduction in recent years Upgrading with transformation action plan " " notice request coal fired power generation group implement Air Pollutant Emission concentration basically reach combustion gas wheel Group emission limit transformation.For " action plan ", domestic thermoelectricity electricity power group proposes " ultra-clean discharge ", " near-zero release ", " surpasses The similar slogan such as low emission ", " green power generation ".

Current gas concentration monitoring device is mostly wide range detection, measuring chamber light path is short, and there are accuracies of measurement low, line Sexual deviation is big, fluctuates the problems such as obvious, is badly in need of a measuring instrument to match with minimum discharge of exploitation, to improve apparatus measures Accuracy reduces the problems such as measurement fluctuation, while also needing to take into account the indexs such as detection gas loss is low, the response time is fast, so mention A kind of multiple reflections measuring chamber greatly increases measuring chamber light path to solve the above problems out.

Utility model content

(1) the technical issues of solving

For the deficiency of the existing gas monitor apparatus measurement technologies such as light path is short, the utility model provides a kind of repeatedly anti- Measuring chamber is penetrated, the response time for having detection gas is fast, and easy to detect, the loss of gas is very low, solves testing result standard The problems such as exactness is low, deviation from linearity is big, fluctuation is obvious.

(2) technical solution

Concentration to realize above-mentioned detection gas is high-efficient, and easy to detect, the loss of gas is very low, more environmentally-friendly mesh , the utility model provides the following technical solutions: multiple reflections measuring chamber, including xenon source, the right side of the xenon source It is fixedly connected with measuring chamber, the inside of the measuring chamber is connected with the first reflecting module, institute far from the side of xenon source The screw top for stating the first reflecting module is connected with the first adjusting screw, second adjusts screw and third and adjust screw, and described the The side of one reflecting module close to xenon source is fixedly connected with reflecting mirror, and the inside of the measuring chamber is close to the one of xenon source Side is connected with the second reflecting module, and the screw top of second reflecting module is connected with the 4th adjusting screw, the 5th tune It saves screw and the 6th and adjusts screw, be fixedly connected with reception end connector on the right side of the measuring chamber.

Preferably, the back side of the xenon source is fixedly connected with power connection, the junction of xenon source and measuring chamber Light-transmitting opening is offered, light-transmitting opening runs through the side wall of measuring chamber, is fixedly connected with high transparent glass in light-transmitting opening.

Preferably, the measuring chamber is cuboid, and the inside of measuring chamber offers reflection recess, and the top of measuring chamber is fixed It is connected with the cover board to match with measuring chamber, the side of measuring chamber is fixedly connected with air inlet pipe and an air outlet pipe.

Preferably, first reflecting module and the second reflecting module are provided with limit far from the side of measuring chamber side wall Block, limited block are fixedly connected on the bottom of measuring chamber.

Preferably, the first adjusting screw, the second adjusting screw and third adjust screw and are distributed in isosceles triangle The top of first reflecting module, the described 4th adjusts screw, the 5th adjusting screw and the 6th adjusts screw in isosceles triangle point Cloth is at the top of the second reflecting module.

Preferably, the second adjusting screw and the 5th adjusting screw are located at the first reflecting module and the second reflection mould The middle part of block.

Preferably, the side of the second reflecting module close to first reflecting module is fixedly connected with reflecting mirror, and described The horizontal position of one reflecting module and the second reflecting module mutually staggers.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of multiple reflections measuring chamber, have it is following the utility model has the advantages that

The multiple reflections measuring chamber, is emitted beam by xenon source, is mapped to measuring chamber back warp and is crossed the first reflecting module again To the second reflecting module, most Zhongdao receiving end joint, wherein the first reflecting module is to adjust screw, the second adjusting by first Screw and third adjust screw and adjust, and it is the position for adjusting horizontal direction light that the first adjusting screw and third, which adjust screw, and second Adjusting screw is the position for adjusting vertical direction light, and similarly the second reflecting module is to adjust screw, the 5th adjusting spiral shell by the 4th Nail and the 6th adjusting screw are adjusted, and user can adjust the irradiation position of light according to the result of measurement, thus will not It influences light and projects measuring chamber, so that optical path is increased, and then improve ultraviolet optical absorbance while ensure that equal energy, The lower limit of detection is more low, so that detection range is more extensive, obtains measurement indoor gas using ultraviolet difference absorption spectrum Concentration, high-efficient, the good airproof performance of detection, gas will not be revealed, user-friendly.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model structural upright schematic diagram.

In figure: 1 xenon source, 2 measuring chambers, 3 first reflecting modules, 4 first adjust screws, 5 second adjust screws, 6 the Three adjust screws, 7 reflecting mirrors, 8 second reflecting modules, 9 the 4th adjust screws, 10 the 5th adjust screws, 11 the 6th adjust screws, 12 receive end connector.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Multiple reflections measuring chamber referring to FIG. 1-2, including xenon source 1, since discharging substance is inert gas xenon in lamp Gas, excitation potential and ionization potential difference are smaller, and xenon lamp radiation spectral power distribution is close with daylight, xenon source 1 Right side is fixedly connected with measuring chamber 2, and the back side of xenon source 1 is fixedly connected with power connection, xenon source 1 and measuring chamber 2 Junction offers light-transmitting opening, and light-transmitting opening runs through the side wall of measuring chamber 2, is fixedly connected with high transparent glass, measuring chamber 2 in light-transmitting opening For cuboid, the inside of measuring chamber 2 offers reflection recess, and the top of measuring chamber 2 is fixedly connected with to match with measuring chamber 2 Cover board, the side of measuring chamber 2 are fixedly connected with air inlet pipe and an air outlet pipe, and the inside of measuring chamber 2 is living far from the side of xenon source 1 Dynamic to be connected with the first reflecting module 3, the screw top of the first reflecting module 3 is connected with the first adjusting screw 4, second and adjusts screw 5 and third adjust screw 6, the side of the first reflecting module 3 close to xenon source 1 is fixedly connected with reflecting mirror 7, measuring chamber 2 The side of inside close to xenon source 1 is connected with the second reflecting module 8, and the second reflecting module 8 is close to the first reflecting module 3 Side be fixedly connected with reflecting mirror 7, the horizontal position of the first reflecting module 3 and the second reflecting module 8 mutually staggers, and first is anti- It penetrates module 3 and the second reflecting module 8 and the side of 2 side wall of measuring chamber is provided with limited block, limited block is fixedly connected on measurement The bottom of room 2, the screw top of the second reflecting module 8 are connected with the 4th adjusting screw the 9, the 5th and adjust screw 10 and the 6th adjusting Screw 11, the first adjusting screw 4, second adjusts screw 5 and third adjusts screw 6 and is distributed in the first reflection mould in isosceles triangle The top of block 3, the 4th adjusting screw the 9, the 5th adjust screw 10 and the 6th adjusting screw 11 and are distributed in second in isosceles triangle The top of reflecting module 8, the second adjusting screw 5 and the 5th adjusting screw 10 are located at the first reflecting module 3 and the second reflection The middle part of module 8, the right side of measuring chamber 2, which is fixedly connected with, receives end connector 12.

In conclusion the multiple reflections measuring chamber, is emitted beam by xenon source 1, it is mapped to 2 back warp of measuring chamber and crosses first Reflecting module 3 is again to the second reflecting module 8, at most Zhongdao receiving end connector 12, wherein the first reflecting module 3 is adjusted by first It saves screw 4, second and adjusts screw 5 and the third adjusting adjusting of screw 6, it is to adjust water that the first adjusting screw 4 and third, which adjust screw 6, Square to the position of light, the second adjusting screw 5 is the position for adjusting vertical direction light, and similarly the second reflecting module 8 is by the Four adjusting screws the 9, the 5th adjust screw 10 and the 6th adjusting screw 11 is adjusted, and user can be according to the result tune of measurement The irradiation position of whole light, so that will not influence light projects measuring chamber 2, to increase while ensure that equal energy Optical path, and then ultraviolet optical absorbance is improved, the lower limit of detection is more low, so that detection range is more extensive, utilizes ultraviolet difference Absorption spectrum obtains the concentration of gas in measuring chamber 2, high-efficient, the good airproof performance of detection, and gas will not be revealed, convenient for users to Use.

It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element Process, method, article or equipment in there is also other identical elements.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. multiple reflections measuring chamber, including xenon source (1), it is characterised in that: be fixedly connected on the right side of the xenon source (1) Have measuring chamber (2), the inside of the measuring chamber (2) is connected with the first reflecting module far from the side of xenon source (1) (3), the screw top of first reflecting module (3) is connected with the first adjusting screw (4), the second adjusting screw (5) and third It adjusts screw (6), the side of the first reflecting module (3) close to the xenon source (1) is fixedly connected with reflecting mirror (7), described The side of the inside of measuring chamber (2) close to xenon source (1) is connected with the second reflecting module (8), the second reflection mould The screw top of block (8) is connected with the 4th adjusting screw (9), the 5th adjusting screw (10) and the 6th adjusts screw (11), described It is fixedly connected on the right side of measuring chamber (2) and receives end connector (12).

2. multiple reflections measuring chamber according to claim 1, it is characterised in that: the back side of the xenon source (1) is fixed It is connected with power connection, the junction of xenon source (1) and measuring chamber (2) offers light-transmitting opening, and light-transmitting opening runs through measuring chamber (2) Side wall, be fixedly connected with high transparent glass in light-transmitting opening.

3. multiple reflections measuring chamber according to claim 1, it is characterised in that: the measuring chamber (2) is cuboid, measurement The inside of room (2) offers reflection recess, and the cover board to match with measuring chamber (2) is fixedly connected at the top of measuring chamber (2), surveys The side of amount room (2) is fixedly connected with air inlet pipe and an air outlet pipe.

4. multiple reflections measuring chamber according to claim 1, it is characterised in that: first reflecting module (3) and second Reflecting module (8) is provided with limited block far from the side of measuring chamber (2) side wall, and limited block is fixedly connected on the bottom of measuring chamber (2) Portion.

5. multiple reflections measuring chamber according to claim 1, it is characterised in that: described first adjusts screw (4), the second tune Section screw (5) and third adjust the top that screw (6) are distributed in the first reflecting module (3) in isosceles triangle, and the described 4th adjusts Section screw (9), the 5th adjust screw (10) and the 6th adjusting screw (11) and are distributed in the second reflecting module (8) in isosceles triangle Top.

6. multiple reflections measuring chamber according to claim 1, it is characterised in that: described second adjusts screw (5) and the 5th Adjust the middle part that screw (10) are located at the first reflecting module (3) and the second reflecting module (8).

7. multiple reflections measuring chamber according to claim 1, it is characterised in that: second reflecting module (8) is close to The side of one reflecting module (3) is fixedly connected with reflecting mirror (7), first reflecting module (3) and the second reflecting module (8) Horizontal position mutually staggers.