CN102879534A - Multi-sniffing-position intelligent stench determinator - Google Patents
Multi-sniffing-position intelligent stench determinator Download PDFInfo
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- CN102879534A CN102879534A CN2012104100419A CN201210410041A CN102879534A CN 102879534 A CN102879534 A CN 102879534A CN 2012104100419 A CN2012104100419 A CN 2012104100419A CN 201210410041 A CN201210410041 A CN 201210410041A CN 102879534 A CN102879534 A CN 102879534A
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Abstract
A multi-sniffing-position intelligent stench determinator comprises a dynamic diluting device and a sniffing experiment table, the dynamic diluting device comprises a measurement and control gas circuit and a control system, the measurement and control gas circuit comprises a reference-gas gas circuit, gas mixture gas circuit and a detected-gas gas circuit, and the sniffing experiment table comprises six groups of gas pipelines and six groups of steering gas outlet devices. Each group of steering gas outlet devices comprises a motor, a disk and three sniffing cups, an output shaft of the motor is perpendicularly connected with the corresponding disk, one sniffing cup serves as a stench diluting outlet and is connected with the detected-gas gas circuit, the other two sniffing cups serve as clean gas outlets and are connected with the reference-gas gas circuit, the sniffing cups are arranged on the disk at uniform intervals, and the motor drives the disk to rotate clockwise or anticlockwise so that the sniffing cups on the disk rotate randomly. The multi-sniffing-position intelligent stench determinator can be used for six sniffers to carry out sniffing experiments simultaneously and to respond independently without mutual interference, and more effectively conform to the standards of a triangle odor bag method in China.
Description
Technical field
The present invention relates to a kind of odor measurement instrument, particularly a kind of smell distinguished an Intelligent odor tester more.
Background technology
At present odor pollution occupy second in the world's seven large public hazards, for a lot of industries that produce peculiar smell such as petrochemical complex, pharmacy and rubber, usually need intensity and the concentration of stench or gas with foreign flavor are tested.About the method for stench test, what China, Japan and Korea S. used at present is the static dilution process of same, and American-European countries then adopts the dynamic dilution method.The stench method of testing of China adopts 3 comparison expression experimental techniques introducing from Japan, the method by dewater, filtration and taste removal obtain pure air, dilute the stench sample to the extension rate that needs by static distribution, give 6 groups of distinguishing of smelling of smelling the person of distinguishing composition and judge that foul smell has or not, obtain the individual odor threshold that each smells the person of distinguishing, again according to the odor concentration of formula calculation sample.Illustrate about static air distributing method: the foul smell sample that uses volume required syringe to extract certain volume injects 3 liters of Experimental bags that pure air is housed, and carries out the static state dilution and mixes, and this method is present general method.China has formulated the national proposed standard method of this stench test in 1994.
What the experimental apparatus of present national odor pollution field tests generally adopted is the static dilution series product that Tianjin City Environment Protection Science Inst.'s design provides, experimental technique Main Basis national standard (the mensuration triangle odor bag method of GB/T14675-93 air quality stench).
The inventor finds to exist at least in the prior art following shortcoming and defect in realizing process of the present invention:
1) each step in the existing measuring all adopts manually operation, has the error of precision and stability;
2) present domestic publication number is CN201965123U, and open day is in the patent on September 7th, 2011: only provide one to smell and distinguish the position, so that smell the judgement that the person of distinguishing can only have or not at the enterprising promoting the circulation of qi flavor of instrument separately, carry out the flow of personnel experiment, each other existence interference;
3) published publication number is CN201464457U, and open day is in the patent on May 12nd, 2010: only have a gas outlet, do not have 3 comparison expression methods, can not use and force to select.
Summary of the invention
The invention provides a kind of smell more and distinguish an Intelligent odor tester, improved precision and the stability of dynamic air-distributing; Smell the person of distinguishing for six and test simultaneously, and use steering exhausting device and forced choice approach can better meet domestic triangle odor bag method, see for details hereinafter and describe:
A kind of smell distinguished an Intelligent odor tester more, and comprising: the dynamic dilution device is distinguished experiment table with smelling, and described dynamic dilution device comprises observing and controlling gas circuit and control system; The observing and controlling gas circuit comprises reference gas gas circuit, mixed gas gas circuit and tested gas gas circuit; Smell and distinguish that experiment table comprises: six groups of gas pipings and six groups of steering exhausting devices,
Described reference gas gas circuit connects the first pressure maintaining valve by pipeline by the source of the gas access port, described the first pressure maintaining valve connects respectively the first variable valve and the second variable valve, the first solenoid valve of described the first variable valve order of connection parallel connection, the second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 5th solenoid valve and the 6th solenoid valve, the 7th solenoid valve of described the second variable valve order of connection parallel connection, the 8th solenoid valve, the 9th solenoid valve, the tenth solenoid valve, the 11 solenoid valve and the 12 solenoid valve;
Described mixed gas gas circuit by pipeline by described source of the gas access port be linked in sequence the second pressure maintaining valve, the first mass rate control meter and venturi mixed flow tube, the 13 solenoid valve, the 14 solenoid valve, the 15 solenoid valve, the 16 solenoid valve, the 17 solenoid valve and the 18 solenoid valve of the parallel connection of the described venturi mixed flow tube order of connection;
Described tested gas gas circuit connects the 3rd pressure maintaining valve by tested gas piping by described source of the gas access port, again by tested gas circuit connector Bonding pressure container, in the described pressure vessel sampler bag is housed, described sampler bag connects tested gas interface by described pressure vessel, behind the second mass rate control meter, the 3rd mass rate control meter and the 4th mass rate control meter by the parallel connection of the described tested gas interface order of connection, connect described venturi mixed flow tube again;
Every group of steering exhausting device comprises a motor, disk and three smell cup, the output shaft of described motor links to each other with described disk is vertical, smelling cup for one links to each other with tested gas gas circuit as foul smell dilution outlet, two other smells cup, and outlet links to each other with the reference gas gas circuit as clean gas, smell cup and be each other evenly spaced and be arranged on the described disk, the described disk of described driven by motor carries out clockwise or counterclockwise rotation makes glass Random-Rotation position of smelling on the described disk;
Described control system links to each other by control line with 6 motors with 18 solenoid valves, 4 mass rate control meters; Every group of gas piping is connected to described smelling by the gas piping connector by described dynamic dilution device and distinguishes in the experiment table desktop.
First group of gas piping is connected to first on the disk by the first motor respectively by described the first solenoid valve, described the 7th solenoid valve, described the 13 solenoid valve and smells cup, second and smell cup and the 3rd and smell cup; Second group of gas piping is connected to the 4th on the disk by the second motor respectively by described the second solenoid valve, described the 8th solenoid valve, described the 14 solenoid valve and smells cup, the 5th and smell cup and the 6th and smell cup; The 3rd group of gas piping is connected to the 7th on the disk by the 3rd motor respectively by described the 3rd solenoid valve, described the 9th solenoid valve, described the 15 solenoid valve and smells cup, the 8th and smell cup and the 9th and smell cup; The 4th group of gas piping is connected to the tenth on the disk by the 4th motor respectively by described the 4th solenoid valve, described the tenth solenoid valve, described the 16 solenoid valve and smells cup, the 11 and smell cup, the 12 and smell cup; The 5th group of gas piping is connected to the 13 on the disk by the 5th motor respectively by described the 5th solenoid valve, the 11 solenoid valve, the 17 solenoid valve and smells cup, the 14 and smell cup and the 15 and smell cup; The 6th group of gas piping is connected to the 16 on the disk by the 6th motor respectively by described the 6th solenoid valve, described the 12 solenoid valve and described the 18 solenoid valve and smells cup, the 17 and smell cup and the 18 and smell cup.
Described smelling distinguishes that experiment table also comprises: laboratory table, the table leg of described laboratory table is detachable.
Adjacent smelling distinguish dividing plate be installed between the position, and described smelling distinguished that experiment table distinguishes that according to smelling the position has been separated into six independent workspaces.
Described every group of steering exhausting device smell the supporting LCDs that is provided with in glass position, by described LCDs experimental result is fed back.
Described dynamic dilution device also comprises: the cable connector is connected to described dynamic dilution device by described cable connector with described motor and described LCDs.
The beneficial effect of technical scheme provided by the invention is:
The present invention has adopted the control panels such as solenoid valve, mass rate control meter, directly controls by workstation software, and dilution has realized robotization, and has improved dilution precision and stability; This instrument dilution range be 10-100000 doubly, and derivative pre-dilution can reach 1,000,000 times, increases work efficiency, and reduces human error, is being converted into controlled equipment factor by uncontrollable human factor aspect the experimental bias analysis;
The present invention has adopted smart random steering exhausting device, carry out clockwise or counterclockwise rotation by the driven by motor disk and make glass Random-Rotation position of smelling on the disk, the random rotational stability of disk is good, foul gas and clean gas divide three pipelines, work alone, basic solve the problem that foul gas pollutes all pipelines, and use forced choice approach allow to smell the person of distinguishing directly to smell news at the rim of a cup place foul smell sample is carried out experimental judgment odor concentration, odor strength and other foul smell indexs;
The present invention is divided into the dynamic dilution device and distinguishes experiment table two parts with smelling, and wherein smells and distinguishes that experiment table is designed to rectangle and two kinds of forms of regular hexagon, convenient heteroid experimental situation use; The table leg of laboratory table and dividing plate are Activities Design, and disassembly and assembly are simple, are convenient to the instrument carrying, Installation and Debugging and later maintenance;
Of the present invention smelling distinguishes that experiment table has designed six and smelt and distinguish the position, adjacent smelling distinguished dividing plate is installed between the position, experiment table is distinguished that according to smelling the position has been separated into six independent workspaces, smelling the person of distinguishing for six smells simultaneously and distinguishes experiment, independently answer, do not interfere with each other, better meet the standard of China's triangle odor bag method.Each is smelt on the desktop of distinguishing the position correspondence steering exhausting device and touch liquid crystal display screen all is installed, the steering exhausting device to smell glass position corresponding with the picture of LCDs, answer fed back to workstation after distinguishing experiment end for smelling the person of distinguishing smelling, have good man-machine interaction, make the stench test convenient, quick.
Description of drawings
Fig. 1 is the contour structures schematic diagram of dynamic dilution device;
Fig. 2 is the contour structures schematic diagram of experiment table pattern 1;
Fig. 3 is the contour structures schematic diagram of experiment table pattern 2;
Fig. 4 is the connection diagram between all parts;
Fig. 5 is the connection diagram between control system and each parts.
Shown in components listed is listed as follows in the accompanying drawing:
1: the first motor; 2: the second motors;
3: the three motors; 4: the four motors;
5: the five motors; 6: the six motors;
7: the first variable valve; 8: the second variable valve;
9: the first pressure maintaining valves; 10: the second pressure maintaining valves;
11: the three pressure maintaining valves; 12: pressure vessel;
13: sampler bag; 14: the second mass rate control meters;
15: the three mass rates control meters; 16: the four mass rates control meters;
17: the first mass rate control meters; 18: the venturi mixed flow tube;
19: the first solenoid valves; 20: the second solenoid valves;
21: the three solenoid valves; 22: the four solenoid valves;
23: the five solenoid valves; 24: the six solenoid valves;
25: the seven solenoid valves; 26: the eight solenoid valves;
27: the nine solenoid valves; 28: the ten solenoid valves;
29: the 11 solenoid valves; 30: the 12 solenoid valves;
31: the 13 solenoid valves; 32: the 14 solenoid valves;
33: the 15 solenoid valves; 34: the 16 solenoid valves;
35: the 17 solenoid valves; 36: the 18 solenoid valves;
Smelt cup in 37: the 16; Smelt cup in 38: the 17;
Smelt cup in 39: the 18; Smelt cup in 40: the 13;
Smelt cup in 41: the 14; Smelt cup in 42: the 15;
Smelt cup in 43: the ten; Smelt cup in 44: the 11;
Smelt cup in 45: the 12; Smelt cup in 46: the seven;
Smelt cup in 47: the eight; Smelt cup in 48: the nine;
Smelt cup in 49: the four; Smelt cup in 50: the five;
Smelt cup in 51: the six; Smell cup at 52: the first;
Smell cup at 53: the second; Smelt cup in 53: the three;
56: tested gas interface; 57: tested gas connector;
58: the source of the gas access port; 60: power switch;
61: the gas piping connector; 62: the cable connector.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
For precision and the stability that improves dynamic air-distributing; Smelling the person of distinguishing for six tests simultaneously, and use steering exhausting device and forced choice approach to better meet domestic triangle odor bag method, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the embodiment of the invention has proposed a kind of smell more and has distinguished an Intelligent odor tester, comprise: the dynamic dilution device is distinguished experiment table 64 with smelling, and the dynamic dilution device comprises observing and controlling gas circuit and control system; The observing and controlling gas circuit comprises reference gas gas circuit, mixed gas gas circuit and tested gas gas circuit; Smell and distinguish that experiment table 64 comprises: six groups of gas pipings and six groups of steering exhausting devices,
The reference gas gas circuit connects the first pressure maintaining valve 9 by pipeline by source of the gas access port 58, the first pressure maintaining valve 9 connects respectively the first variable valve 7 and the second variable valve 8, the 7th solenoid valve 25, the 8th solenoid valve 26, the 9th solenoid valve 27, the tenth solenoid valve 28, the 11 solenoid valve 29 and the 12 solenoid valve 30 of the first solenoid valve 19 of the first variable valve 7 order of connection parallel connections, the second solenoid valve 20, the 3rd solenoid valve 21, the 4th solenoid valve 22, the 5th solenoid valve 23 and 8 order of connection parallel connections of the 6th solenoid valve 24, the second variable valve;
The mixed gas gas circuit by pipeline by source of the gas access port 58 be linked in sequence the second pressure maintaining valve 10, the first mass rate control meter 17 and venturi mixed flow tube 18, the 13 solenoid valve 31, the 14 solenoid valve 32, the 15 solenoid valve 33, the 16 solenoid valve 34, the 17 solenoid valve 35 and the 18 solenoid valve 36 of 18 order of connection parallel connections of venturi mixed flow tube;
Tested gas gas circuit connects the 3rd pressure maintaining valve 11 by tested gas piping by source of the gas access port 58, again by tested gas circuit connector 57 Bonding pressure containers 12, sampler bag 13 is housed in the pressure vessel 12, sampler bag 13 connects tested gas interface 56 by pressure vessel 12, behind the second mass rate control meter the 14, the 3rd mass rate control meter the 15 and the 4th mass rate control meter 16 by tested gas interface 56 order of connection parallel connections, connect venturi mixed flow tube 18 again;
Every group of gas piping is connected to smell by the dynamic dilution device by gas piping connector 61 to be distinguished in the experiment table desktop;
Control system links to each other by control line with 6 motors with 18 solenoid valves, 4 mass rate control meters;
Every group of steering exhausting device comprises a motor M, disk 67 and three smell cup, the output shaft of motor M and 67 vertical linking to each other of disk, smelling cup for one links to each other with tested gas gas circuit as foul smell dilution outlet, two other smells cup, and outlet links to each other with the reference gas gas circuit as clean gas, smell cup and be each other 120 ° of evenly spaced being arranged on the disk 67, motor M drives disk 67 and carries out clockwise or counterclockwise rotation and make glass Random-Rotation position of smelling on the disk 67.
Wherein, first group of gas piping is connected to first on the disk 67 by the first motor 1 respectively by the first solenoid valve 19, the 7th solenoid valve 25, the 13 solenoid valve 31 and smells cup 52, second and smell cup the 53 and the 3rd and smell cup 54; Second group of gas piping is connected to the 4th on the disk 67 by the second motor 2 respectively by the second solenoid valve 20, the 8th solenoid valve 26, the 14 solenoid valve 32 and smells cup the 49, the 5th and smell cup the 50 and the 6th and smell cup 51; The 3rd group of gas piping is connected to the 7th on the disk 67 by the 3rd motor 3 respectively by the 3rd solenoid valve 21, the 9th solenoid valve 27, the 15 solenoid valve 33 and smells cup the 46, the 8th and smell cup the 47 and the 9th and smell cup 48; The 4th group of gas piping is connected to the tenth on the disk 67 by the 4th motor 4 respectively by the 4th solenoid valve 22, the tenth solenoid valve 28, the 16 solenoid valve 34 and smells cup the 43, the 11 and smell cup the 44 and the 12 and smell cup 45; The 5th group of gas piping is connected to the 13 on the disk 67 by the 5th motor 5 respectively by the 5th solenoid valve 23, the 11 solenoid valve 29, the 17 solenoid valve 35 and smells cup the 40, the 14 and smell cup the 41 and the 15 and smell cup 42; The 6th group of gas piping is connected to the 16 on the disk 67 by the 6th motor 6 respectively by the 6th solenoid valve 24, the 12 solenoid valve 30 and the 18 solenoid valve 36 and smells cup the 37, the 17 and smell cup the 38 and the 18 and smell cup 39.
During specific implementation, smell and distinguish that experiment table 64 also comprises laboratory table, in order to make things convenient for the dismounting of laboratory table, preferred table leg is detachable.
Wherein, smell and distinguish that experiment table 64 has designed six and smelt and distinguish the position, smell the impact of distinguishing between the position for fear of adjacent, distinguish in adjacent smelling dividing plate 66 is installed between the position, will smell and distinguish that experiment table 64 distinguishes that according to smelling the position has been separated into six independent workspaces.During specific implementation, smell and distinguish that experiment table 64 is designed to rectangle and two kinds of forms of regular hexagon, convenient heteroid experimental situation is used, and can also be designed to other shapes, satisfies the multiple needs in the practical application.
Distinguish after experiment finishes answer fed back to workstation smelling in order conveniently to smell the person of distinguishing, every group of steering exhausting device smell the supporting LCDs 65 that is provided with in glass position, by LCDs 65 experimental result is fed back; LCDs 65 links to each other with control system by control line.
For outward appearance is beautified, the dynamic dilution device also comprises: cable connector 62 is connected to the dynamic dilution device by cable connector 62 with motor and LCDs 65.
During actual the use, only can't distinguish three by profile and position and smell cup, drive disk 67 by motor M and carry out clockwise or counterclockwise rotation and make glass Random-Rotation position of smelling on the disk 67, and use forced choice approach allow to smell the person of distinguishing directly to smell news at the rim of a cup place foul smell sample is carried out experimental judgment odor concentration, odor strength and other foul smell indexs.
The below is described smelling principle of work and the method for work of distinguishing an Intelligent odor tester more:
The oil-free air compressor pressure gas becomes clean gas through surge tank after the filter set, use as the pure air source of the gas.After the pure air source of the gas enters pipeline by source of the gas access port 58, be divided into three road air-flows: the reference gas gas circuit is by behind the first pressure maintaining valve 9 steady pressures, be divided into two air-flow A, B makes steady air current by the first variable valve 7 and the second variable valve 8 respectively, the A road is by the first solenoid valve 19, the second solenoid valve 20, the 3rd solenoid valve 21, the 4th solenoid valve 22, the 5th solenoid valve 23 and the 6th solenoid valve 24 control air flow switch make it pass through the first motor 1, the second motor 2, the 3rd motor 3, the 4th motor 4, the 5th motor 5 and the 6th motor 6 are smelt cup 52 by first on the disk 67, the 4th smells cup 49, the 7th smells cup 46, the tenth smells cup 43, the 13 smells cup the 40 and the 16 smells cup 37 discharges; The B road is by the 7th solenoid valve 25, the 8th solenoid valve 26, the 9th solenoid valve 27, the tenth solenoid valve 28, the 11 solenoid valve 29 and the 12 solenoid valve 30 control air flow switch, makes it smell cup the 53, the 5th by the first motor 1, the second motor 2, the 3rd motor 3, the 4th motor 4, the 5th motor 5 and the 6th motor 6 by second on the disk 67 and smells cup the 50, the 8th and smell cup the 47, the 11 and smell cup the 44, the 12 and smell cup the 41 and the 17 and smell cup 38 and discharge; After the mixed gas gas circuit is regulated pressure by the second pressure maintaining valve 10, set flow through the first mass rate control meter 17 and enter venturi mixed flow tube 18, the pipe in and foul gas negative pressure mixed flow, and by the 13 solenoid valve 31, the 14 solenoid valve 32, the 15 solenoid valve 33, the 16 solenoid valve 34, the 17 solenoid valve 35 and the 18 solenoid valve 36 control air flow switch make it pass through the first motor 1, the second motor 2, the 3rd motor 3, the 4th motor 4, the 5th motor 5 and the 6th motor 6 are smelt cup 54 by the 3rd on the disk 67, the 6th smells cup 51, the 9th smells cup 48, the 12 smells cup 45, the 15 smells cup the 42 and the 18 smells cup 39 discharges; Foul smell sample gas circuit is by behind the 3rd pressure maintaining valve 11, from tested gas circuit connector 57, derive cut-in pressure container 12, pressure vessel 12 interior accumulation malleations are with sampler bag 13 interior foul smell extruding discharge pressure containers 12, the second mass rate control meter 14 of foul smell sample by being connected in parallel, the 3rd mass rate control meter the 15 and the 4th mass rate control meter 16 synergy control foul smell flow, form enter venturi mixed flow tube 18 and the clean gas of gas circuit two mix behind the needed foul smell flow after, by the 13 solenoid valve 31, the 14 solenoid valve 32, the 15 solenoid valve 33, the 16 solenoid valve 34, the 17 solenoid valve 35 and the 18 solenoid valve 36 control air flow switch make it pass through the first motor 1, the second motor 2, the 3rd motor 3, the 4th motor 4, the 5th motor 5 and the 6th motor 6 are smelt cup 54 by the 3rd on the disk 67, the 6th smells cup 51, the 9th smells cup 48, the 12 smells cup 45, the 15 smells cup the 42 and the 18 smells cup 39 discharges.
Above-mentioned three gas circuits connect smells cup, one group of the composition of per three different gas circuits, be divided into six groups, place on the disk 67 of corresponding rotation air-out apparatus, smell the person of distinguishing for six and directly smell news at the rim of a cup place foul smell sample is carried out experimental judgment odor concentration, odor strength and other foul smell indexs, answer and answer is fed back to workstation by touch liquid crystal display screen 65.
Experiment condition: the laboratory must ventilate, and keeps the odorless environment, and provides ozone for smelling the person of distinguishing, the volumetric concentration of carbon dioxide is less than 0.15%.In the test process, fluctuations in indoor temperature is no more than ± and 3 ℃, room temperature is the highest 25 ℃.
1, sampler bag 13 is installed in the pressure vessel 12, connects compressor, each bar pipeline of filtration unit and instrument.
2, start oil-free gas compressor, regulate pressure, treat that pressure satisfies in order to using.
3, start the power supply 60 of dynamic dilution device 55, namely started the first mass rate control meter the 17, second mass rate control meter the 14, the 3rd mass rate control meter the 15 and the 4th mass rate control meter 16, and preheating 30 minutes.Instrument is opened notebook computer and workstation software after starting.
4, every to smell the person of distinguishing in place.
When 5, treating that pressure in the pressure vessel 12 meets the demands, according to foul smell properties of samples choice experiment classification.
6, be the Initial dilution multiple according to the selected a certain extension rate of odor concentration national standard method of testing, open the first pressure maintaining valve 9, the second pressure maintaining valve 10, the 3rd pressure maintaining valve 11 and the first mass rate control meter 17, and the control of the second mass rate in parallel control meter the 14, the 3rd mass rate is counted in the 15 and the 4th mass rate control meter 16 any one, gas is extruded foul smell sample in the sampler bag 13 through pressure vessel 12 enter the mass rate control meter of opening in parallel, clean gas is finished with the i.e. dilution after venturi mixed flow tube 18 mixes of foul smell sample.
7, after the wait dilute concentration is stablized, only open with first group and rotate the first solenoid valve 19, the 7th solenoid valve 25, the 13 solenoid valve 31 that air-out apparatus is connected, close all the other solenoid valves in parallel, foul gas is smelt cup 52, second by corresponding first and is smelt cup the 53 and the 3rd and smell cup 54 and discharge after reference gas and the dilution, steering exhausting device Random-Rotation is smelt a glass position, smell the person of distinguishing and directly to smell at the rim of a cup place to hear the foul smell sample tested and judge odor concentration, odor strength and other foul smell indexs, and answer is fed back to workstation by touch liquid crystal display screen 65.All the other five groups by that analogy, finishes until this takes turns experiment.
8, workstation software is processed smelling the person's of distinguishing judged result according to the experiment classification, calculates the next time extension rate of circulation.
9, repeating step 6-8 carries out many smelling of extension rate of group and distinguishes experiment, testing time per sample difference and difference.
10, wait smell distinguish that experiment is complete after, workstation software calculates individual odor threshold, odor concentration etc. automatically, and uses pure air auto-flushing foul smell pipeline, in case odorant remains in the pipeline.
The present invention self extension rate can reach 100000 times, and derivative pre-extension rate can be to 1,000,000 times.Less than 0.20, repeated quality standard is less than 0.05 in the accuracy of 100000 times of (containing 100000 times) following extension rates.Can smell the person of distinguishing for six and smell simultaneously and distinguish experiment, the raising conventional efficient better meets the standard of China's triangle odor bag method.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the invention described above embodiment sequence number does not represent the quality of embodiment just to description.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. smelling one kind more distinguish an Intelligent odor tester, comprising: the dynamic dilution device is distinguished experiment table with smelling, and described dynamic dilution device comprises observing and controlling gas circuit and control system; The observing and controlling gas circuit comprises reference gas gas circuit, mixed gas gas circuit and tested gas gas circuit; It is characterized in that, smell and distinguish that experiment table comprises: six groups of gas pipings and six groups of steering exhausting devices,
Described reference gas gas circuit connects the first pressure maintaining valve by pipeline by the source of the gas access port, described the first pressure maintaining valve connects respectively the first variable valve and the second variable valve, the first solenoid valve of described the first variable valve order of connection parallel connection, the second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 5th solenoid valve and the 6th solenoid valve, the 7th solenoid valve of described the second variable valve order of connection parallel connection, the 8th solenoid valve, the 9th solenoid valve, the tenth solenoid valve, the 11 solenoid valve and the 12 solenoid valve;
Described mixed gas gas circuit by pipeline by described source of the gas access port be linked in sequence the second pressure maintaining valve, the first mass rate control meter and venturi mixed flow tube, the 13 solenoid valve, the 14 solenoid valve, the 15 solenoid valve, the 16 solenoid valve, the 17 solenoid valve and the 18 solenoid valve of the parallel connection of the described venturi mixed flow tube order of connection;
Described tested gas gas circuit connects the 3rd pressure maintaining valve by tested gas piping by described source of the gas access port, again by tested gas circuit connector Bonding pressure container, in the described pressure vessel sampler bag is housed, described sampler bag connects tested gas interface by described pressure vessel, behind the second mass rate control meter, the 3rd mass rate control meter and the 4th mass rate control meter by the parallel connection of the described tested gas interface order of connection, connect described venturi mixed flow tube again;
Every group of steering exhausting device comprises a motor, disk and three smell cup, the output shaft of described motor links to each other with described disk is vertical, smelling cup for one links to each other with tested gas gas circuit as foul smell dilution outlet, two other smells cup, and outlet links to each other with the reference gas gas circuit as clean gas, smell cup and be each other evenly spaced and be arranged on the described disk, the described disk of described driven by motor carries out clockwise or counterclockwise rotation makes glass Random-Rotation position of smelling on the described disk;
Described control system links to each other by control line with 6 motors with 18 solenoid valves, 4 mass rate control meters; Every group of gas piping is connected to described smelling by the gas piping connector by described dynamic dilution device and distinguishes in the experiment table desktop.
2. a kind of smell according to claim 1 distinguished an Intelligent odor tester more, it is characterized in that, first group of gas piping is connected to first on the disk by the first motor respectively by described the first solenoid valve, described the 7th solenoid valve, described the 13 solenoid valve and smells cup, second and smell cup and the 3rd and smell cup; Second group of gas piping is connected to the 4th on the disk by the second motor respectively by described the second solenoid valve, described the 8th solenoid valve, described the 14 solenoid valve and smells cup, the 5th and smell cup and the 6th and smell cup; The 3rd group of gas piping is connected to the 7th on the disk by the 3rd motor respectively by described the 3rd solenoid valve, described the 9th solenoid valve, described the 15 solenoid valve and smells cup, the 8th and smell cup and the 9th and smell cup; The 4th group of gas piping is connected to the tenth on the disk by the 4th motor respectively by described the 4th solenoid valve, described the tenth solenoid valve, described the 16 solenoid valve and smells cup, the 11 and smell cup, the 12 and smell cup; The 5th group of gas piping is connected to the 13 on the disk by the 5th motor respectively by described the 5th solenoid valve, the 11 solenoid valve, the 17 solenoid valve and smells cup, the 14 and smell cup and the 15 and smell cup; The 6th group of gas piping is connected to the 16 on the disk by the 6th motor respectively by described the 6th solenoid valve, described the 12 solenoid valve and described the 18 solenoid valve and smells cup, the 17 and smell cup and the 18 and smell cup.
3. a kind of smell according to claim 1 distinguished an Intelligent odor tester more, it is characterized in that, described smelling distinguishes that experiment table also comprises: laboratory table, the table leg of described laboratory table is detachable.
4. a kind of smell according to claim 3 distinguished an Intelligent odor tester more, it is characterized in that, adjacent smelling distinguish dividing plate is installed between the position, and described smelling distinguished that experiment table distinguishes that according to smelling the position has been separated into six independent workspaces.
5. a kind of smell according to claim 1 distinguished an Intelligent odor tester more, it is characterized in that, described every group of steering exhausting device smell the supporting LCDs that is provided with in glass position, by described LCDs experimental result is fed back.
6. a kind of smell according to claim 5 distinguished an Intelligent odor tester more, it is characterized in that, described dynamic dilution device also comprises: the cable connector is connected to described dynamic dilution device by described cable connector with described motor and described LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104100419A CN102879534A (en) | 2012-10-24 | 2012-10-24 | Multi-sniffing-position intelligent stench determinator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104100419A CN102879534A (en) | 2012-10-24 | 2012-10-24 | Multi-sniffing-position intelligent stench determinator |
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| Publication Number | Publication Date |
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| CN102879534A true CN102879534A (en) | 2013-01-16 |
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| CN108169416A (en) * | 2017-12-08 | 2018-06-15 | 广州广电计量检测股份有限公司 | A kind of Odor Evaluations device and method |
| CN109633088A (en) * | 2018-12-10 | 2019-04-16 | 蓝亚技术服务（深圳）有限公司 | A kind of automotive upholstery gas concentration smells the method for distinguishing |
| CN109946430A (en) * | 2019-04-18 | 2019-06-28 | 山东农业大学 | A kind of instrument cases and method measuring odor threshold |
| CN111239341A (en) * | 2020-02-11 | 2020-06-05 | 北京知天地环境科技有限公司 | Intelligent stink smell distinguishing system |
| CN113984953A (en) * | 2021-08-26 | 2022-01-28 | 天津市生态环境科学研究院(天津市环境规划院、天津市低碳发展研究中心) | Rapid determination method for intelligent odor determination instrument and intelligent odor determination instrument |
| CN114354314A (en) * | 2021-12-31 | 2022-04-15 | 四川铸创安全科技有限公司 | Gas mixing and conveying device and sniffing system |
| CN114910614A (en) * | 2022-06-22 | 2022-08-16 | 浙江环境监测工程有限公司 | Olfaction-discrimination experiment platform |
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| CN108169416A (en) * | 2017-12-08 | 2018-06-15 | 广州广电计量检测股份有限公司 | A kind of Odor Evaluations device and method |
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| CN109946430A (en) * | 2019-04-18 | 2019-06-28 | 山东农业大学 | A kind of instrument cases and method measuring odor threshold |
| CN111239341A (en) * | 2020-02-11 | 2020-06-05 | 北京知天地环境科技有限公司 | Intelligent stink smell distinguishing system |
| CN113984953A (en) * | 2021-08-26 | 2022-01-28 | 天津市生态环境科学研究院(天津市环境规划院、天津市低碳发展研究中心) | Rapid determination method for intelligent odor determination instrument and intelligent odor determination instrument |
| CN113984953B (en) * | 2021-08-26 | 2024-05-28 | 天津市生态环境科学研究院(天津市环境规划院、天津市低碳发展研究中心) | Rapid determination method for intelligent malodor determination instrument and intelligent malodor determination instrument |
| CN114354314A (en) * | 2021-12-31 | 2022-04-15 | 四川铸创安全科技有限公司 | Gas mixing and conveying device and sniffing system |
| CN114910614A (en) * | 2022-06-22 | 2022-08-16 | 浙江环境监测工程有限公司 | Olfaction-discrimination experiment platform |
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