CN206378484U - A kind of odor concentration analyzer - Google Patents
A kind of odor concentration analyzer Download PDFInfo
- Publication number
- CN206378484U CN206378484U CN201621449460.3U CN201621449460U CN206378484U CN 206378484 U CN206378484 U CN 206378484U CN 201621449460 U CN201621449460 U CN 201621449460U CN 206378484 U CN206378484 U CN 206378484U
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- Prior art keywords
- sensing chamber
- sensor
- sealed end
- odor concentration
- detection case
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a kind of odor concentration analyzer, including:Detection case, the detection case top is provided with gasmetry pipeline, two admission lines provided with an outlet pipe, side provided with two admission lines side by side, bottom and is equipped with intake valve；Sensing chamber in detection case, the sensing chamber is hollow form cylinder barrel, and the detection interior is provided with piston, and described sensing chamber one end is provided with recess, the recess for the sealed end inside sealed end and sensing chamber and is provided with sensor assembly；Control circuit.Measuring pump on the utility model gasmetry pipeline can accurately measure the volume for adding gas, odor concentration can be detected according to foul smell and uncontaminated gases volume ratio, measurement result is accurate, and it is low to technical requirements, it is simple to operate, it is adapted to various foul smell detections, can be widely applied for air detection field.
Description
Technical field
The utility model is related to gas analysis technology field, more particularly to a kind of odor concentration analyzer.
Background technology
Odor pollution is relatively common pollution in atmosphere pollution, and it is different in the materials such as big gas and water, solid waste
Taste air dielectric, act on people smell thinking and a kind of perceived odor contamination, wherein industrial production, municipal wastewater, dirt
Mud processing and refuse disposal facility etc. are the main sources of foul gas.Odorant species is various, and wide material sources are exhaled human body
Inhale, digest, cardiovascular, endocrine and nervous system can all cause different degrees of murder by poisoning, wherein aromatic compound such as benzene, first
Benzene, styrene etc. can also be such that human body produces in distortion, canceration, and the environmental pollution complaint of citizen's report, and odor pollution is complained
It is also that comparison is high.The detection of traditional odor concentration realized by manually smelling to debate, and not only result is not or not this detection method
Accurately, it is and larger to the injury of human body.
Chinese patent, Authorization Notice No.：The U of CN 205353054, patent name is a kind of Portable stink detector, skill
Art feature includes：Stench sensor assembly；The stench sensor assembly is used to gather various foul gas, output collection letter
Number；Signal conditioning circuit；Signal conditioning circuit and stench the sensor assembly electrical connection, for being filtered to collection signal
And amplification；Heater circuit；The heater circuit is used to heat stench sensor assembly；Feedback circuit；The feedback circuit and plus
Heater circuit is electrically connected, the operating current for feedback heater circuit；And microprocessor；Microprocessor and the signal condition electricity
Road is electrically connected, analysis collection signal；The microprocessor is electrically connected with heater circuit and feedback circuit respectively, according to feedback letter
Number, produce control signal control heater circuit.It has the disadvantage not measuring the foul smell of designated volume, and measurement accuracy needs
Improve, and the higher foul smell detection of concentration gets up cumbersome, is not easy to detection.
Chinese patent, Authorization Notice No.：The U of CN 204314281, patent name is a kind of novel odor concentration analyzer,
Technical characteristic includes sensing chamber, display screen and the detection mould inside the sensing chamber positioned at the detection chamber outer wall
Block, the display screen and the detection module are connected with external power source, and the detection module includes sensor group, the biography
Sensor group includes one or more gas sensor, and each gas sensor corresponds to one power amplifier of connection,
Each power amplifier corresponds to one D/A converter module of connection, each digital analog converter phase corresponding with the display screen
Even, the left side of the sensing chamber is provided with a sample feeding mouthful, the sample feeding mouthful provided with a first switch, the inspection
Survey to be additionally provided with the top of room at odorless gas entrance and exhaust outlet, the odorless gas entrance is used to control provided with one
Enter the second switch of the sensing chamber without odour, the second switch is first magnetic valve, first magnetic valve
One end be connected with sensing chamber, the other end of first magnetic valve is connected with one end of first piston formula measuring pump, described
The other end of one piston type metering pump is connected with without odour apparatus for placing, and the exhaust ports are provided with one the 3rd switch, institute
Exhaust outlet is stated by the described 3rd switch with a vacuum extractor to be connected.It has the disadvantage to need elder generation when detecting indoor detection gas
Vacuumize and then mixed gas is detected, vacuumize to technical requirements height, when not vacuumizing completely, detection knot
Fruit is big with regard to error.
Utility model content
The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality
It is to propose a kind of odor concentration analyzer with a new purpose, measurement result is accurate and low to technical requirements, operation letter
It is single, it is adapted to various foul smell detections, can be widely applied for air detection field.
According to a kind of odor concentration analyzer of the utility model embodiment, including:
Detection case, the detection case top is provided with two admission lines side by side, bottom provided with outlet pipe, a side
Provided with gasmetry pipeline, intake valve is equipped with two admission lines, one of admission line is foul smell air inlet pipe
Road, another admission line are uncontaminated gases admission line, and the outlet pipe is provided with outlet valve, the gasmetry
Pipeline is provided with LED display and control panel provided with measurement valve and measuring pump, the detection case one side；
Sensing chamber in detection case, the sensing chamber is hollow form cylinder barrel, and the detection interior is provided with piston, institute
Sensing chamber one end is stated to be provided with recess, the recess provided with sensor assembly, institute for the sealed end inside sealed end and sensing chamber
State sensing chamber's other end with gasmetry pipeline to be connected, be connected above the sensing chamber close to sealed end with two admission lines,
It is connected below the sensing chamber close to sealed end with outlet pipe；
Circuit, including sensor assembly and microprocessor are controlled, the sensor assembly passes sequentially through filter circuit and put
Big circuit is electrically connected with microprocessor, and the microprocessor is electrically connected with LED display and control panel respectively.
In some embodiments of the present utility model, the sensor assembly includes metal oxide sensor, semiconductor
Sensor, electrochemical sensor and optic ionized sensor.
In other embodiments of the present utility model, the metal oxide sensor, semiconductor transducer, electrochemistry
The probe of sensor and optic ionized sensor is equably arranged in sealed end provided with recess.
In other embodiments of the present utility model, the length of the piston is more than two admission line both sides side by side
The distance between.
In the utility model, the measuring pump on gasmetry pipeline can accurately measure the volume for adding gas, can
Odor concentration is detected according to foul smell and uncontaminated gases volume ratio, measurement result is accurate, and low to technical requirements, behaviour
Make simple, be adapted to various foul smell detections, can be widely applied for air detection field.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 be the utility model proposes a kind of odor concentration analyzer structural representation；
Fig. 2 is the structural representation of sensing chamber；
Fig. 3 is detection case internal circuit schematic diagram；
In figure：1- detection cases, 2- two admission line side by side, 21- foul smell admission line, 22- uncontaminated gases air inlets
Pipeline, 211- foul smell intake valve, 221- uncontaminated gases intake valve, 3- outlet pipes, 31- outlet valves, 4- gasmetry pipes
Road, 41- measurement valve, 42- measuring pumps, 5-LED display screens, 6- control panels, 7- sensing chamber, 8- pistons, 9- sensor assemblies,
10- recesses.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.
The example of the embodiment is shown in the drawings, wherein same or similar label represents identical or class from beginning to end
As element or the element with same or like function.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the utility model, and it is not intended that to limitation of the present utility model.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
Reference picture 1-3, a kind of odor concentration analyzer, including:
Detection case 1, the top of detection case 1 is provided with two admission lines 2 side by side, bottom provided with outlet pipe 3, a side
Provided with gasmetry pipeline 4, intake valve is equipped with two admission lines, one is foul smell intake valve 211, another is pollution-free
Gas inlet valve 221, one of admission line is that foul smell admission line 21, another admission line are uncontaminated gases air inlet
Pipeline 22, outlet pipe 3 is provided with outlet valve 31, and the gasmetry pipeline 4 is provided with measurement valve 41 and measuring pump 42, inspection
The one side of measuring tank 1 is provided with LED display 5 and control panel 6；
Sensing chamber in detection case 1, sensing chamber 7 is that piston 8, sensing chamber are provided with hollow form cylinder barrel, sensing chamber 7
7 one end are that the sealed end inside sealed end and sensing chamber 7 is provided with recess 10, recess 10 provided with sensor assembly 9, sensing chamber 7
The other end is connected with gasmetry pipeline 4, and the top of sensing chamber 7 is connected close to sealed end with two admission lines, the lower section of sensing chamber 7
It is connected close to sealed end with outlet pipe 3；
Circuit, including sensor assembly 9 and microprocessor are controlled, sensor assembly 9 passes sequentially through filter circuit and amplification
Circuit is electrically connected with microprocessor, and microprocessor is electrically connected with LED display 5 and control panel 6 respectively.
Sensor assembly 9 includes metal oxide sensor, semiconductor transducer, electrochemical sensor and photoionization
Sensor, metal oxide sensor, semiconductor transducer, electrochemical sensor and optic ionized sensor probe equably
Sealed end is arranged in provided with recess 10, the length of piston 8 is more than the distance between two admission line both sides side by side.
Provided with battery for being powered to circuit in detection case 1.
Sensor assembly 9 includes metal oxide sensor, semiconductor transducer, electrochemical sensor and photoionization
Sensor.Metal oxide sensor model CO-PFF, semiconductor transducer model MQ-4, electrochemical sensor model
ME3-NO2, optic ionized sensor model 17124975-R English Cisco MX6.
Microprocessor model is MPC8347E.
Filter circuit is used to filter off the ripple in rectifier output voltage, is made up of reactance component, at load resistance two ends simultaneously
Join capacitor C, or with load in series inductor L, and by electric capacity, the various compound filter circuits of inductance composition, are normal
Advise circuit.
Amplifying circuit is conventional amplifying circuit, can by a device, (core is by a faint ac small signal
Triode, FET), obtain that a waveform is similar, but the output of the much larger big signal of exchange of amplitude.
Operating method：Circuit power is opened, is then turned on the measurement valve and foul smell admission line on gasmetry pipeline
Intake valve, foul smell is then passed through by foul smell admission line, at this moment piston moves right, measuring pump will show sensing chamber arrange
Go out the volume V1 of gas, the intake valve at this moment closed on foul smell admission line opens the air inlet on uncontaminated gases admission line
Valve, is passed through uncontaminated gases (air after main selection nitrogen or filtering), at this moment measuring pump will show that sensing chamber discharges
Measurement valve on the volume V2 of total gas, the intake valve being then shut off on uncontaminated gases admission line and gasmetry pipeline,
After uniform etc. gas mixing, detection setting is carried out to gas by control panel, at this moment detects that number Ju can be shown in LED display
On, gas ratio is adjusted according to the above method and detected, adjustment gas ratio causes foul smell ratio to decline every time, until detection
Untill less than pernicious gas content in foul smell, the concentration of gas thus can be more accurately measured.Opening after having surveyed every time
Outlet valve on outlet pipe, is then passed through gas by gasmetry pipeline, piston is moved to the inside, discharge measurement gas
Body.Gas volume ratio is foul smell/cumulative volume=V1/V2.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (4)
1. a kind of odor concentration analyzer, it is characterised in that：Including:
Detection case, the detection case top is provided with provided with two admission lines side by side, bottom provided with outlet pipe, a side
Intake valve is equipped with gasmetry pipeline, two admission lines, one of admission line is foul smell admission line, separately
One admission line is uncontaminated gases admission line, and the outlet pipe is provided with outlet valve, the gasmetry pipeline
Provided with measurement valve and measuring pump, the detection case one side is provided with LED display and control panel；
Sensing chamber in detection case, the sensing chamber is hollow form cylinder barrel, and the detection interior is provided with piston, the inspection
It is that the sealed end inside sealed end and sensing chamber is provided with recess, the recess provided with sensor assembly, the inspection to survey room one end
Survey the room other end with gasmetry pipeline to be connected, be connected above the sensing chamber close to sealed end with two admission lines, it is described
It is connected below sensing chamber close to sealed end with outlet pipe；
Circuit, including sensor assembly and microprocessor are controlled, the sensor assembly passes sequentially through filter circuit and amplification electricity
Road is electrically connected with microprocessor, and the microprocessor is electrically connected with LED display and control panel respectively.
2. a kind of odor concentration analyzer according to claim 1, it is characterised in that：The sensor assembly includes metal
Oxide sensor, semiconductor transducer, electrochemical sensor and optic ionized sensor.
3. a kind of odor concentration analyzer according to claim 2, it is characterised in that：The metal oxide sensor,
The probe of semiconductor transducer, electrochemical sensor and optic ionized sensor is equably arranged in sealed end provided with recess.
4. a kind of odor concentration analyzer according to claim 1, it is characterised in that：The length of the piston is more than two
The distance between admission line both sides side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621449460.3U CN206378484U (en) | 2016-12-27 | 2016-12-27 | A kind of odor concentration analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621449460.3U CN206378484U (en) | 2016-12-27 | 2016-12-27 | A kind of odor concentration analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206378484U true CN206378484U (en) | 2017-08-04 |
Family
ID=59407345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621449460.3U Active CN206378484U (en) | 2016-12-27 | 2016-12-27 | A kind of odor concentration analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206378484U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739274A (en) * | 2018-12-12 | 2019-05-10 | 修水县畜牧水产局 | A kind of gas concentration lwevel control device and control method, terminal |
| WO2021176931A1 (en) * | 2020-03-05 | 2021-09-10 | 新東工業株式会社 | Gas measurement device |
-
2016
- 2016-12-27 CN CN201621449460.3U patent/CN206378484U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739274A (en) * | 2018-12-12 | 2019-05-10 | 修水县畜牧水产局 | A kind of gas concentration lwevel control device and control method, terminal |
| WO2021176931A1 (en) * | 2020-03-05 | 2021-09-10 | 新東工業株式会社 | Gas measurement device |
| JP2021139768A (en) * | 2020-03-05 | 2021-09-16 | 新東工業株式会社 | Gas measurement device |
| JP7278548B2 (en) | 2020-03-05 | 2023-05-22 | 新東工業株式会社 | gas measuring instrument |
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