CN204314281U - A kind of novel odor concentration analyzer - Google Patents
A kind of novel odor concentration analyzer Download PDFInfo
- Publication number
- CN204314281U CN204314281U CN201420868083.1U CN201420868083U CN204314281U CN 204314281 U CN204314281 U CN 204314281U CN 201420868083 U CN201420868083 U CN 201420868083U CN 204314281 U CN204314281 U CN 204314281U
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- China
- Prior art keywords
- sensing chamber
- switch
- solenoid valve
- odor concentration
- concentration analyzer
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- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000001276 controlling effect Effects 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 230000000875 corresponding Effects 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000010790 dilution Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- 206010022114 Injury Diseases 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009297 electrocoagulation Methods 0.000 description 1
- 210000000750 endocrine system Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000000607 poisoning Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000035812 respiration Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008786 sensory perception of smell Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to a kind of novel odor concentration analyzer, comprise sensing chamber, be positioned at the display screen of sensing chamber's outer wall and be positioned at the detection module of sensing chamber inside, display screen and detection module are all connected with external power source, the left side of sensing chamber is provided with a sample feeding mouth, sample feeding mouth place is provided with first switch, the top of sensing chamber is also provided with odorless gas entrance and exhausr port, odorless gas entrance place is provided with one for controlling to enter without odour the second switch of described sensing chamber, described exhaust ports is provided with the 3rd switch, described exhausr port is connected with a vacuum extractor by described 3rd switch.The utility model not only structure is simple, and easy to operate, cost of manufacture is low, and measurement result is accurate, and its practicality is very strong simultaneously.
Description
Technical field
The utility model relates to gas analyzer, especially relates to the instrument analyzed odor concentration used in a kind of environment measuring process.
Background technology
Odor pollution is pollution more common in atmospheric pollution, it is the odor air medium in the materials such as air, water, solid waste, act on the sense of smell thinking of people and perceived a kind of odor contamination, wherein commercial production, municipal wastewater, Treatment of Sludge and refuse disposal facility etc. are the main sources of foul gas.Odorant is of a great variety, wide material sources, murder by poisoning in various degree all can be caused to human body respiration, digestion, cardiovascular, endocrine and nervous system, wherein aromatics such as benzene, toluene, styrene etc. can also make human body produce distortion, canceration, and in the environmental pollution complaint of citizen's report, it is also higher that odor pollution is complained.The detection of traditional odor concentration realizes by manually smelling to debate, and this detection method not only result is inaccurate, and larger to the injury of human body.In addition, generally strong detection department is all provided with odor pollution monitoring experiment room, and wherein the environment in laboratory has certain requirements, and the instrument and equipment buying expenses measured is expensive, can not realize applying widely.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of structure simple, and easy to operate, especially cost of manufacture is low, and measurement result novel odor concentration analyzer accurately.
A kind of novel odor concentration analyzer, comprise sensing chamber, be positioned at the display screen of described sensing chamber outer wall and be positioned at the detection module of described sensing chamber inside, described display screen and described detection module are all connected with external power source, described detection module comprises sensor group, described sensor group comprises one or more gas sensor, each gas sensor is all corresponding connects a power amplifier, each power amplifier is all corresponding connects a D/A converter module, each digital to analog converter is all corresponding with described display screen to be connected, the left side of described sensing chamber is provided with a sample feeding mouth, described sample feeding mouth place is provided with first switch, the top of described sensing chamber is also provided with odorless gas entrance and exhausr port, described odorless gas entrance place is provided with one for controlling to enter without odour the second switch of described sensing chamber, described second switch is first solenoid valve, one end of described first solenoid valve is connected with sensing chamber, the other end of described first solenoid valve is connected with one end of first piston formula volume pump, the other end of described first piston formula volume pump is connected with without odour apparatus for placing, described exhaust ports is provided with the 3rd switch, described exhausr port is connected with a vacuum extractor by described 3rd switch.
Further, describedly comprise reduction valve and nitrogen cylinder without odour apparatus for placing, described nitrogen cylinder is connected by the other end of described reduction valve with described first piston formula volume pump.
Further, described first switch is the second solenoid valve, and one end of described second solenoid valve is connected with described sensing chamber, and the other end of described second solenoid valve is sample input.
Further, the other end of described second solenoid valve is connected with the second piston metering pump, and described second piston metering pump is also connected with a sample holding chamber.
Further, the gas sensor in described sensor group is arranged on the inwall of described sensing chamber equably.
Further, described gas sensor is metal oxide sensor.
Further, described sensor group comprises these hydrogen sulfide gas sensor and ammonia gas sensor.
The beneficial effects of the utility model are as follows: this product structure is simple, and cost of manufacture is low, and security performance is high, and it is not only easy to operate, and the measurement result drawn is accurate; This product can also reduce labor workload, reduce the physical impairment to testing staff in testing process, and its practicality is very strong, can be widely used in atmospheric surveillance field.
Accompanying drawing explanation
Fig. 1 is the structure intention of the better embodiment of a kind of novel odor concentration analyzer of the utility model.
Accompanying drawing illustrates: 1, sensing chamber; 11, sample feeding mouth; 12, odorless gas entrance; 13, exhausr port; 2, display screen; 3, detection module; 31, sensor group; 311, gas sensor; 41, the first switch; 42, second switch; 43, the 3rd switch; 51, first piston formula volume pump; 52, the second piston metering pump; 53, sample holding chamber; 6, without odour apparatus for placing; 61, reduction valve; 62, nitrogen cylinder; 7, vacuum extractor.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
Refer to Fig. 1, the present embodiment relates to a kind of novel odor concentration analyzer, comprise sensing chamber 1, be positioned at the display screen 2 of sensing chamber 1 outer wall and be positioned at the detection module 3 of sensing chamber 1 inside, display screen 2 and detection module 3 are all connected with external power source, detection module 3 comprises sensor group 31, sensor group 31 comprises one or more gas sensor 311, each gas sensor 311 is all corresponding connects a power amplifier, each power amplifier is all corresponding connects a D/A converter module, each digital to analog converter is all corresponding with display screen 2 to be connected, the left side of sensing chamber 1 is provided with a sample feeding mouth 11, sample feeding mouth 11 place is provided with first switch 41, the top of sensing chamber 1 is also provided with odorless gas entrance 12 and exhausr port 13, odorless gas entrance 12 place is provided with one for controlling to enter without odour the second switch 42 of sensing chamber 1, second switch 42 is first solenoid valve, one end of first solenoid valve is connected with sensing chamber 1, the other end of the first solenoid valve is connected with one end of first piston formula volume pump 51, the other end of first piston formula volume pump 51 is connected with without odour apparatus for placing 6, exhausr port 13 place is provided with the 3rd switch 43, exhausr port 13 is connected with a vacuum extractor 7 by the 3rd switch 43.
When detecting beginning, first switch 41 of this novel odor concentration analyzer and second switch 42 all closed, namely sample feeding mouth 11 and odorless gas entrance 12 are all in sealing state, now the 3rd switch 43 is opened, vacuum extractor 7 pairs of sensing chamber 1 vacuumize, when sensing chamber 1 is in certain vacuum state, close the 3rd switch 43, open the first switch 41 again, and a certain amount of detected sample is sent into sensing chamber 1, now close the first switch 41, then second switch 42 is opened, also open first piston formula volume pump 51 simultaneously thus input without odour, these without odour can be filter after air also can be that other follow testing sample without the gas that can not pollute detected sample reacted to each other, according to the dilution ratio of prior determination, determine the odorless gas flow needing input, namely we judge without odour according to the data of display on first piston formula volume pump 51 input quantity, when input a certain amount of without odour after, then close first piston formula volume pump 51 and second switch 42, after mixing without odour and detected sample, connect external power source, detection module 3 is started working, namely when sensor group 31 detect diluted after mixed gas time can send signal, and time on this Signal aspects to display screen, then stop detecting, and open the 3rd switch 43, start vacuum extractor 7, process is vacuumized to sensing chamber 1.Determine a dilution ratio larger than dilution ratio last time subsequently again, calculate required detected sample amount and the input quantity without odour, and then proceed to detect by above-mentioned steps, as long as sensor group 31 can detect signal and be shown in display screen 2, larger dilution ratio is then again selected to detect, until sensor group 31 can't detect signal, then stop detecting.
As detected sample is diluted three times, then dilution ratio is three, then to input three parts without odour, when detected sample is diluted after three times, if sensor group 31 can detect signal while input a detection sample, then by above-mentioned detection mode, row detects the detection sample after dilution five times again, if sensor group 31 can't detect signal, then stops detecting, obtain a result, then be converted into the concentration value of foul smell.
Wherein, be better than above-described embodiment, comprise reduction valve 61 and nitrogen cylinder 62 without odour apparatus for placing 6, nitrogen cylinder 62 to be connected with the other end of first piston formula volume pump 51 by reduction valve 61.Can be cost-saving without odour use nitrogen, and it is easy to use, and nitrogen not easily reacts with extraneous gas simultaneously, is more suitable for for the dilution to detected sample.
Be better than above-described embodiment, the first switch 41 is the second solenoid valve, and one end of the second solenoid valve is connected with sensing chamber 1, the other end of the second solenoid valve is sample input.The other end of the second solenoid valve is connected with the second piston metering pump 52, second piston metering pump 52 and is also connected with a sample holding chamber 53.Second piston metering pump 52 can make the input quantity of detected sample more accurate.
In above embodiment, the gas sensor 311 in sensor group 31 is arranged on the inwall of sensing chamber 1 equably, can certainly be arranged in different shapes according to actual conditions.In addition, gas sensor 311 can be metal oxide sensor, also can be the sensor of other types, as galvanochemistry type sensor, conduction electrocoagulation compound type sensor.Meanwhile, sensor group 31 comprises these hydrogen sulfide gas sensor and ammonia gas sensor, certainly can also comprise the gas sensor to other foul gas sensitivities.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the utility model claim.
Claims (7)
1. a novel odor concentration analyzer, it is characterized in that: comprise sensing chamber, be positioned at the display screen of described sensing chamber outer wall and be positioned at the detection module of described sensing chamber inside, described display screen and described detection module are all connected with external power source, described detection module comprises sensor group, described sensor group comprises one or more gas sensor, each gas sensor is all corresponding connects a power amplifier, each power amplifier is all corresponding connects a D/A converter module, each digital to analog converter is all corresponding with described display screen to be connected, the left side of described sensing chamber is provided with a sample feeding mouth, described sample feeding mouth place is provided with first switch, the top of described sensing chamber is also provided with odorless gas entrance and exhausr port, described odorless gas entrance place is provided with one for controlling to enter without odour the second switch of described sensing chamber, described second switch is first solenoid valve, one end of described first solenoid valve is connected with sensing chamber, the other end of described first solenoid valve is connected with one end of first piston formula volume pump, the other end of described first piston formula volume pump is connected with without odour apparatus for placing, described exhaust ports is provided with the 3rd switch, described exhausr port is connected with a vacuum extractor by described 3rd switch.
2. novel odor concentration analyzer as claimed in claim 1, is characterized in that: describedly comprise reduction valve and nitrogen cylinder without odour apparatus for placing, and described nitrogen cylinder is connected by the other end of described reduction valve with described first piston formula volume pump.
3. novel odor concentration analyzer as claimed in claim 1, it is characterized in that: described first switch is the second solenoid valve, one end of described second solenoid valve is connected with described sensing chamber, and the other end of described second solenoid valve is sample input.
4. novel odor concentration analyzer as claimed in claim 3, it is characterized in that: the other end of described second solenoid valve is connected with the second piston metering pump, described second piston metering pump is also connected with a sample holding chamber.
5. novel odor concentration analyzer as claimed in claim 1, is characterized in that: the gas sensor in described sensor group is arranged on the inwall of described sensing chamber equably.
6. novel odor concentration analyzer as claimed in claim 1, is characterized in that: described gas sensor is metal oxide sensor.
7. novel odor concentration analyzer as claimed in claim 1, is characterized in that: described sensor group comprises these hydrogen sulfide gas sensor and ammonia gas sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868083.1U CN204314281U (en) | 2014-12-29 | 2014-12-29 | A kind of novel odor concentration analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868083.1U CN204314281U (en) | 2014-12-29 | 2014-12-29 | A kind of novel odor concentration analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204314281U true CN204314281U (en) | 2015-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420868083.1U Active CN204314281U (en) | 2014-12-29 | 2014-12-29 | A kind of novel odor concentration analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204314281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290477A (en) * | 2016-03-30 | 2017-10-24 | 北京盈盛恒泰科技有限责任公司 | A kind of vehicular odor concentration monitoring system |
| CN110780015A (en) * | 2018-07-31 | 2020-02-11 | 西安市宇驰检测技术有限公司 | Detection device and detection method for non-methane total hydrocarbons |
-
2014
- 2014-12-29 CN CN201420868083.1U patent/CN204314281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290477A (en) * | 2016-03-30 | 2017-10-24 | 北京盈盛恒泰科技有限责任公司 | A kind of vehicular odor concentration monitoring system |
| CN110780015A (en) * | 2018-07-31 | 2020-02-11 | 西安市宇驰检测技术有限公司 | Detection device and detection method for non-methane total hydrocarbons |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel odor concentration analyzer Effective date of registration: 20190606 Granted publication date: 20150506 Pledgee: Panyu Branch of Guangzhou Bank Co., Ltd. Pledgor: Guangzhou Jingcheng Inspection Technology Co.,Ltd. Registration number: 2019440000207 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200622 Granted publication date: 20150506 Pledgee: Panyu Branch of Guangzhou Bank Co.,Ltd. Pledgor: GUANGZHOU JINGCHENG TEST TECHNOLOGY Co.,Ltd. Registration number: 2019440000207 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 201, No. 6, Yiheng West Road, Dongsha village, Donghuan street, Panyu District, Guangzhou, Guangdong 511402 Patentee after: State inspection and testing holding group Jingcheng Testing Co.,Ltd. Address before: Room 201, No. 6, Yiheng West Road, Dongsha village, Donghuan street, Panyu District, Guangzhou, Guangdong 519175 Patentee before: GUANGZHOU JINGCHENG TEST TECHNOLOGY CO.,LTD. |