CN207074174U - A kind of air quality detector - Google Patents
A kind of air quality detector Download PDFInfo
- Publication number
- CN207074174U CN207074174U CN201720931364.0U CN201720931364U CN207074174U CN 207074174 U CN207074174 U CN 207074174U CN 201720931364 U CN201720931364 U CN 201720931364U CN 207074174 U CN207074174 U CN 207074174U
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- Prior art keywords
- detection container
- syringe
- ascending pipe
- air quality
- quality detector
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Abstract
The utility model discloses a kind of air quality detector, including detection container and syringe, detection container side is provided with an opening, opening passes through a rubber stopper seal, syringe penetrates in detection container from rubber stopper and squeezes into developer in water sample, the sealing of water sample is remained in experimentation, avoid influence of the surrounding air to experiment, and the injection developer that can be quantified using syringe, reduced in the absence of developer addition or many experiments addition not etc. the problem of, effectively increase the accuracy of detection and the reappearance of experiment.In addition, by the way that ascending pipe is communicated into detection container bottom position so that the developer very first time of syringe injection contacts mixing with water sample, further improves the accuracy of detection.
Description
Technical field
The utility model belongs to surrounding air detection field, and in particular to a kind of air quality detector.
Background technology
Sulfur dioxide is most common oxysulfide, and toxic gas that is colourless, having intense irritation, is that air mainly pollutes
One of thing, sulfur dioxide can be formed in many industrial processes, and because coal and oil generally all contain sulphur compound, because
Sulfur dioxide can be formed during this burning.After sulfur dioxide is soluble in water, then sulfuric acid (main component of acid rain) can be formed, sternly
Ghost image rings eco-environmental quality.
For quality of preserving the ecological environment, on the one hand need to reduce the discharge to sulfur dioxide, on the other hand then need through
The content of sulfur dioxide, to know environmental quality signal in time, makes necessary counter-measure in perseverance detection environment.
At present, determination of the environment sulfur dioxide content in air is using methanol buffer solution absorption-Pararosaniline point
Light photometry, principle are as follows：By sampling equipment extraction environment air sample, sulfur dioxide is by raw after methanol buffer solution absorption
Into stable methylol sulfonic acid additive compound, addition sodium hydroxide decomposes additive compound in sample solution, discharges
Sulfur dioxide and Pararosaniline, formaldehyde act on, generate aubergine compound, surveyed with spectrophotometer at wavelength 577nm
Measure absorbance.The assay method is influenceed by many factors at present, and wherein influence of the mode of operation to experiment is most important.Such as figure
Shown in 1, at present when being measured experiment, mainly put samples into a colorimetric cylinder, developer (i.e. above-mentioned sodium hydroxide etc.
Compound) it is located in another colorimetric cylinder, in mixing, developer is accurately poured into sample rapidly, dripped after toppling over
It is dry several seconds, in order to avoid influence the accuracy of measure.But nonetheless, still have a small amount of developer and remain in colorimetric cylinder, make
The amount that developer in sample must be added reduces, and measurement accuracy is low.Moreover, sample needs sealed set, needed in mixing by sample
This opening is to add developer, sample and air contact in the process, and the part sulfur dioxide in sample can be discharged into air
In, cause the content of sulfur dioxide that subsequent measurements go out to reduce, the content of accurate sulfur dioxide in surrounding air, essence can not be drawn
Exactness is poor, and many experiments are different by external action, cause experimental result also different, influences to test reappearance.
Therefore, in view of problem above, it is necessary to propose a kind of inspection that can accurately detect content of sulfur dioxide in surrounding air
Instrument is surveyed, improves accuracy of detection and the reappearance of experiment.
Utility model content
In view of this, the utility model provides a kind of air quality detector, by using syringe can quantify to
Developer is injected in water sample, the sealing of sample is remained in experimentation, avoids influence of the surrounding air to experiment, effectively
Improve the accuracy of detection and the reappearance of experiment.
A kind of air quality detector proposed according to the purpose of this utility model, to detect titanium dioxide in surrounding air
The content of sulphur, the air quality detector include a sealing detection container, shape after the buffered solution of surrounding air sample absorbs
Into water sample, the water sample is placed in the detection container and sealed, and the side of detection container is provided with an opening, opening
By a rubber stopper seal, the air quality detector also includes a syringe, and developer, the injection are provided with syringe
Device penetrates in detection container from rubber stopper and squeezes into developer in water sample.
Preferably, the detection container side is outward extended with an ascending pipe, ascending pipe and phase inside the detection container
Connection, the mouth of pipe of ascending pipe form the opening, and the rubber stopper is arranged at the nozzle position of the ascending pipe, and syringe is certainly
Penetrated at rubber stopper in detection container, at least the needle of syringe stretches out ascending pipe into water sample, and developer is squeezed into
In water sample.
Preferably, the ascending pipe is inclined upwardly setting, and the entrance point of the ascending pipe is set higher than water sample liquid level, institute
The port of export for stating ascending pipe is set less than the liquid level of water sample.
Preferably, the ascending pipe is communicated to the detection container bottom position.
Preferably, the ascending pipe is integrally formed with the detection container, the internal connection of ascending pipe and detection container
Rounding.
Preferably, the ascending pipe is provided separately with detection container, and detection container side is provided with through hole, and ascending pipe certainly should
In through hole insertion detection container, inject between pipe outer wall and the through hole and sealing ring is set to seal fixation.
Preferably, the detection container is colorimetric cylinder, and it is close to be detachably provided with one at the top nozzle of the colorimetric cylinder
Capping.
Preferably, the external syringe pump of the syringe, the output end of the syringe pump and the piston of the syringe connect
Connect.
Preferably, the air quality detector also includes a fixed support, and the detection container is placed in the fixed branch
On frame, the fixed support includes base and the pallet being arranged above base, and downward indent forms on the base
Standing groove, the bottom of the detection container are placed in the standing groove, and the top of the detection container passes through pallet with spacing.
Preferably, the base edge opening position is protruding upward forms to the spacing bottom baffle in bottom.
Compared with prior art, it is the advantages of air quality detector disclosed in the utility model：
Detection container side of the present utility model is provided with an opening, and opening is by a rubber stopper seal, and syringe is certainly
Penetrated at rubber stopper in detection container and squeeze into developer in water sample, the sealing of water sample is remained in experimentation, is kept away
Exempt from influence of the surrounding air to experiment, and the injection developer that can be quantified using syringe, subtract in the absence of developer addition
Less or many experiments addition not etc. the problem of, effectively increase the accuracy of detection and the reappearance of experiment.
In addition, by the way that ascending pipe is communicated into detection container bottom position so that the developer first of syringe injection
Time contacts mixing with water sample, further improves the accuracy of detection.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is experiment method figure of the prior art.
Fig. 2 is the structural representation of detector embodiment 1 disclosed in the utility model.
Fig. 3 is the structural representation of detector embodiment 2 disclosed in the utility model.
Fig. 4 is the support bracket fastened structural representation of detector.
The title of digital or alphabetical representative corresponding component in figure：
1st, detection container 2, closure 3, rubber stopper 4, ascending pipe 5, syringe 6, syringe pump 7, fixed support
71st, base 72, support 73, pallet 74, standing groove 75, bottom baffle
Embodiment
Just as described in the background section, it is necessary to which developer is poured into by a container in conventional air quality determination experiment
In another container for filling water sample, have a small amount of developer and remain in container, influence measurement accuracy.Moreover, mistake herein
Sample and air contact in journey, the part sulfur dioxide in sample can be discharged into air, cause the titanium dioxide at subsequent measurements
Sulfur content reduces, and many experiments are different by external action, influences to test reappearance.
The utility model is directed to deficiency of the prior art, there is provided a kind of air quality detector, by using injection
What device can quantify injects developer into water sample, and the sealing of sample is remained in experimentation, avoids surrounding air to reality
The influence tested, effectively increase the accuracy of detection and the reappearance of experiment.
The technical solution of the utility model will be clearly and completely described by embodiment below.Obviously,
Described embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belong to the scope of the utility model protection.
It is empty to detect content of sulfur dioxide in surrounding air the utility model discloses a kind of air quality detector
Gas mass detecting instrument includes a sealing detection container 1, and the buffered solution of surrounding air sample forms water sample, water sample after absorbing
It is placed in detection container 1, the open top of detection container is sealed by a closure 2, avoids water sample from being contacted with external environment condition.
The side of detection container 1 is provided with an opening, and opening is sealed by a rubber stopper 3.Air quality detector also includes a note
Emitter 5, syringe is interior to be provided with developer, and syringe 5 penetrates in detection container 1 from rubber stopper 3 developer squeezing into water sample
It is interior.The detection container used in the utility model is colorimetric cylinder.
By using the detector of said structure, the sealing of water sample is remained in experimentation, avoids surrounding air
Influence to experiment, and the injection developer that can be quantified using syringe, reduced in the absence of developer addition or repeatedly real
The problem of addition does not wait is tested, effectively increases the accuracy of detection and the reappearance of experiment.
Embodiment 1
Referring to accompanying drawing 2, as illustrated, the side of detection container 1 is outward extended with an ascending pipe 4, ascending pipe 4 and detection container
It is connected inside 1, the mouth of pipe of ascending pipe 4 forms above-mentioned opening, and rubber stopper 3 is arranged at the nozzle position of ascending pipe 4, will note
Enter pipe 4 to seal, syringe 5 is penetrated from rubber stopper 3 in detection container 1, and at least the needle of syringe 5 stretches out ascending pipe 4
Into water sample, developer is directly squeezed into water sample so that the developer very first time of syringe injection connects with water sample
Mixing is touched, further improves the accuracy of detection.
Preferably, ascending pipe 4 is communicated to the bottom position of detection container 1.The design can ensure that syringe self seeding pipe enters
It can directly be contacted after entering in detection container with the water sample of bottom, improve the accuracy of detection.
Preferably, ascending pipe 4 is integrally formed with detection container 1, to simplify the structure of detector.Ascending pipe and detection container
Internal connection rounding, prevent junction residual solution, cause to mix uneven.
Preferably, the external syringe pump 6 of syringe 5, the output end of syringe pump 6 are connected with the piston of syringe 5.By setting
Syringe pump is put, the amount for the developer for needing to be pumped into every time can be set, many experiments amount of being pumped into is consistent, avoids manual injection from operating production
Raw error, improve the degree of accuracy of detection.
Operation principle of the present utility model is as follows：
By sampling equipment extraction environment air sample, sulfur dioxide is generated stable hydroxyl after methanol buffer solution absorption
Pyrovinic acid additive compound is above-mentioned water sample, and water sample is arranged in detection container 1, and the closure 2 at top is close
Envelope, to avoid water sample from contacting external environment condition.Sealed at the ascending pipe of the side of detection container 1 by rubber stopper 3., will during experiment
The syringe needle of syringe 5 is penetrated from rubber stopper 3 in detection container 1, is connected with detection container 1, and setting needs the developer injected
Amount, start syringe pump 6, syringe pump 6 drive syringe 5 piston movement, quantitative developer is driven into water sample, and
It is sufficiently mixed with water sample, mixed solution generates aubergine compound, is measured using spectrophotometer at wavelength 577nm
Absorbance, the final content for determining sulfur dioxide in surrounding air.
Embodiment 2
As shown in figure 3, remaining is same as Example 1, difference is, ascending pipe 4 is inclined upwardly setting, ascending pipe 4
Entrance point set higher than water sample liquid level, the port of export of ascending pipe 4 is set less than the liquid level of water sample.On the one hand injection is caused
Developer in device can be mixed timely with water sample, on the other hand be avoided in the case where sealing is poor, water sample is noted certainly
Enter and spilt at pipe.
In other embodiment, ascending pipe 4 can be also provided separately with detection container 1, and the side of detection container 1 is provided with through hole
(not shown), ascending pipe 4 inject between pipe outer wall and through hole from through hole insertion detection container 1 and set sealing ring to seal
It is fixed, facilitate and cleaning storage respectively is removed on ascending pipe self-test xylometer, convenient use operation.
In addition, the air quality detector also includes a fixed support, detection container 1 is placed on fixed support 7, to fixed
Position detection container 1.Fixed support 7 includes base 71 and is arranged at the pallet 73 of the top of base 71, interior downwards on base 71
Recessed to form standing groove 74, the bottom of detection container 1 is placed in standing groove 74 carries out spacing, detection to the bottom of detection container 1
The top of container 1 is spacing by pallet 73.
When detection container 1 is positioned on fixed support 7, often occurs that detection container tilts from bottom margin and drop
The problem of, therefore, the utility model is protruding upward at the marginal position of base 71 to form bottom baffle 75, is limited to bottom
Position, ensure the stability that detection container is placed.
To sum up, the utility model discloses a kind of air quality detector, including detection container and syringe, detection container
Side is provided with an opening, and for opening by a rubber stopper seal, syringe is penetrated from rubber stopper in detection container will colour developing
Agent is squeezed into water sample, and the sealing of water sample is remained in experimentation, avoids influence of the surrounding air to experiment, and adopt
The injection developer that can be quantified with syringe, reduced in the absence of developer addition or many experiments addition not etc. the problem of,
Effectively increase the accuracy of detection and the reappearance of experiment.
In addition, by the way that ascending pipe is communicated into detection container bottom position so that the developer first of syringe injection
Time contacts mixing with water sample, further improves the accuracy of detection.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
- A kind of 1. air quality detector, to detect the content of sulfur dioxide in surrounding air, it is characterised in that the air Mass detecting instrument includes a sealing detection container, and the buffered solution of surrounding air sample forms water sample, the water sample after absorbing Originally be placed in the detection container and seal, the side of detection container is provided with an opening, opening by a rubber stopper seal, The air quality detector also includes a syringe, is provided with developer in syringe, the syringe penetrates from rubber stopper Developer is squeezed into water sample in detection container.
- 2. air quality detector according to claim 1, it is characterised in that the detection container side is outward extended with One ascending pipe, ascending pipe inside the detection container with being connected, and the mouth of pipe of ascending pipe forms the opening, and the rubber stopper is set It is placed at the nozzle position of the ascending pipe, syringe is penetrated in detection container from rubber stopper, at least the needle end of syringe Ascending pipe stretches out into water sample in portion, and developer is squeezed into water sample.
- 3. air quality detector according to claim 2, it is characterised in that the ascending pipe is inclined upwardly setting, institute The entrance point for stating ascending pipe is set higher than water sample liquid level, and the port of export of the ascending pipe is set less than the liquid level of water sample.
- 4. air quality detector according to claim 2, it is characterised in that the ascending pipe, which is communicated to the detection, to be held Device bottom position.
- 5. air quality detector according to claim 2, it is characterised in that the ascending pipe and the detection container one It is body formed, the internal connection rounding of ascending pipe and detection container.
- 6. air quality detector according to claim 2, it is characterised in that the ascending pipe is separately set with detection container Put, detection container side is provided with through hole, and ascending pipe is from through hole insertion detection container, injection pipe outer wall and the through hole Between sealing ring is set to seal fixation.
- 7. air quality detector according to claim 1, it is characterised in that the detection container is colorimetric cylinder, described A closure is detachably provided with the top nozzle of colorimetric cylinder.
- 8. air quality detector according to claim 1, it is characterised in that the external syringe pump of syringe, institute The output end for stating syringe pump is connected with the piston of the syringe.
- 9. air quality detector according to claim 1, it is characterised in that the air quality detector also includes one Fixed support, the detection container are placed on the fixed support, and the fixed support includes base and is arranged on base The pallet of side, indent forms standing groove downwards on the base, and the bottom of the detection container is placed in the standing groove, The top of the detection container is through pallet with spacing.
- 10. air quality detector according to claim 9, it is characterised in that the base edge opening position is convex Go out to form to the spacing bottom baffle in bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720931364.0U CN207074174U (en) | 2017-07-28 | 2017-07-28 | A kind of air quality detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720931364.0U CN207074174U (en) | 2017-07-28 | 2017-07-28 | A kind of air quality detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207074174U true CN207074174U (en) | 2018-03-06 |
Family
ID=61522772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720931364.0U Expired - Fee Related CN207074174U (en) | 2017-07-28 | 2017-07-28 | A kind of air quality detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN207074174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738424A (en) * | 2018-12-31 | 2019-05-10 | 北京科泰特科技发展有限公司 | A kind of air real-time detection method |
-
2017
- 2017-07-28 CN CN201720931364.0U patent/CN207074174U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738424A (en) * | 2018-12-31 | 2019-05-10 | 北京科泰特科技发展有限公司 | A kind of air real-time detection method |
| CN109738424B (en) * | 2018-12-31 | 2022-02-01 | 北京科泰特科技发展有限公司 | Air real-time detection method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 Termination date: 20200728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |