CN106355986A - Device capable of simulating human walking to cause suspension of ground particulate matters - Google Patents
Device capable of simulating human walking to cause suspension of ground particulate matters Download PDFInfo
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- CN106355986A CN106355986A CN201610835885.6A CN201610835885A CN106355986A CN 106355986 A CN106355986 A CN 106355986A CN 201610835885 A CN201610835885 A CN 201610835885A CN 106355986 A CN106355986 A CN 106355986A
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- air
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
Disclosed is a device capable of simulating human walking to cause suspension of ground particulate matters. The device comprises an experimental chamber and a mechanical foot combination used with the experimental chamber. The experimental chamber is in the shape of a cuboid consisting of a top face, a bottom face, a left face, a right face, a front face and a back face which enclose to form a closed space jointly, wherein each of the left face and the right face is provided with a plurality of air vents which are connected with an air treatment device. The inner bottom of the experimental chamber is divided into an experimental area and a non-experimental area, different ground materials or particulate matters different in density can be paved in the experimental area, and a dust testing instrument and a high-speed camera are mounted in the experimental chamber. The mechanical foot combination comprises foot models, hydraulic devices, a rotating device and a base, wherein the upper ends of the foot models are arranged on a rotating shaft through the hydraulic devices in a sleeving manner, the foot models can move up and down and rotate, and the base is mounted on a fixing device or a movable trolley in the experimental chamber.
Description
Technical field
The present invention relates to a kind of simulation people's walking causes the device of the secondary suspension of ground particulate, belong to flooring granule
Thing settling flux rate field of measuring technique.
Background technology
Indoor accelerated test is one of major pollutants of room air, and epidemiological study shows, is exposed to granule for a long time
Among thing, the pulmonary to human body and cardiovascular health will have a negative impact.The particulate matter larger to human influence mainly may be used
Suck particulate matter (equivalent aerodynamic diameter is less than 10 μm, i.e. pm10), in pm10, especially account for thin of more than 60%
Grain thing (equivalent aerodynamic diameter is less than 2.5 μm, i.e. pm2.5).Respiratory system disease may be caused, reduce immunologic function
And increase the mortality rate of respiratory system disease and heart disease etc..Particulate matter in room air mostlys come from indoor and outdoors,
About between 0.01～100 μm, smoking, culinary art, mankind's activity etc. all can lead to the concentration of indoor accelerated test to increase to its particle diameter
Plus.Mankind's walking indoors can cause the secondary suspension of particulate matter on ground, thus increasing the granule density of in the air, the U.S.
Peccia of the qian of Clarkson University (clarkson university) and Yale University (yale university) etc.
The commentary article that scholar is published in " atmospheric environment " in 2014 2 months further identifies indoor people
The particle size of body walking settling flux is predominantly located at pm10 particle size interval, and thinks that the granule settling flux that walking causes is indoor
Human body package is in one of the most important source of pm10 particulate matter.Make a general survey of domestic and international research situation, how quantitatively to measure people's walking
Under cause particulate matter settling flux on ground still to have very big difficulty and challenge, so lead to the knowledge of regularity of settling flux be not
Very comprehensively and deep.
Research both domestic and external at present is to be walked about inside a room using people's reality mostly, the then settling flux to granule
Measuring, so very labor intensive and material resources, even if having used the research of pedipulator, also not forming complete laboratory table.
The present invention innovatively devises one and applies mechanically pedipulator to imitate the actual walking of people secondary to measure the ground particulate that causes of walking
The complete experimental provision of the system suspending, the research for the secondary suspension of indoor accelerated test under human body walking is provided high by the present invention
Effect, accurately method.
Content of the invention
Manpower and materials in order to overcome the existing measuring method to granule settling flux to exist consume big defect, and the present invention carries
Cause the device of the secondary suspension of ground particulate for a kind of simulation people's walking.
The technical solution used in the present invention is:
Simulation people's walking causes the device of the secondary suspension of ground particulate, includings Laboratory Module it is characterised in that: also include and
The mechanical foot of Laboratory Module mating reaction；
Described Laboratory Module be cuboid, described cuboid include top surface, bottom surface, left surface, right flank, leading flank with
And trailing flank, described top surface, bottom surface, left surface, right flank, leading flank and trailing flank jointly enclose and constitute airtight sky
Between；Some air vents are offered on described left and right side, described air vents are connected with air processor,
In order to blow and air draft；
Bottom in described Laboratory Module is divided into trial zone and non-test area, is equipped with binding dust in described non-test area
Pad, can lay the earth material of unlike material or the particulate matter that density is different in the described trial zone being；
Dust Testing Instrument and the high-speed camera instrument for shooting Particles Moving situation are installed in described Laboratory Module；
Described mechanical foot includes foot model, hydraulic means, tumbler and base, and described tumbler is one turn
Axle, one end of described rotating shaft is installed on base by bearing；The upper end of described foot model is set in by hydraulic means
In described rotating shaft and can be around described axis of rotation, described foot model can move up and down and rotate；Described floor installation
Fixed position in Laboratory Module or the dolly being arranged on motion.
Described air processor includes high efficiency particulate air(filter), and air is filtered with described efficiency particulate air
The air intake of device connects, and the air outlet slit of described high efficiency particulate air(filter) passes sequentially through valve, pressure gauge and stream
Gauge is connected with air vents.
Described Laboratory Module is incubated with external insulation, and adopts anti-static grounding, and described Laboratory Module adopts antistatic
Material is made.
The equal scalable of the height of described Dust Testing Instrument and high-speed camera instrument and position.
Described earth material is floor, ceramic tile or carpet.
When the present invention uses, air enters from air intake, through the filtration of high efficiency particulate air(filter), filters out sky
Particulate matter in gas, wherein valve can control the flow of gas, cause granule to human body walking under the different wind conditions of research
The secondary impact being suspended in of thing, pressure gauge is used for measuring air pressure.The multiple purpose of vent setting is can be in different positions
Air intake, the different vent position of research causes the impact of the secondary suspension of particulate matter to human body walking.
The material of unlike material, during experiment, can be laid on the ground of pilot region, such as: floor, ceramic tile, carpet etc.
Deng.The impact that Different Ground material causes the secondary suspension of particulate matter to human body walking can be studied.Pilot region can also be sowed
The particulate matter of different densities, the different impact to experimental result for the particle density of research.
The base of mechanical foot may be mounted at fixing position, and so mechanical foot just can only move up and down and rotate, and also may be used
To be arranged on movable dolly, so add the upper and lower of foot and swing it is possible to simulate the walking feelings of real people
Condition.To simulate the walking enhanced convenience of people, quick with mechanical foot, equally can take the dust dropping with human body, skin
The impact to experimental result for the bits.
Beneficial effects of the present invention are embodied in: can simulate the walking situation of real people, to simulate people with pedipulator
Walking enhanced convenience, quick, equally can take the dust dropping with human body, the impact to experimental result for the scurf.
Brief description
Fig. 1 is the structural representation of Laboratory Module of the present invention.
Fig. 2 is the structural representation of present invention machinery foot.
Specific embodiment
See figures.1.and.2, simulation people's walking causes the device of the secondary suspension of ground particulate, including Laboratory Module 1, also wraps
Include the mechanical foot with Laboratory Module 1 mating reaction；
Described Laboratory Module 1 is cuboid, and described cuboid includes top surface, bottom surface, left surface, right flank, leading flank
And trailing flank, described top surface, bottom surface, left surface, right flank, leading flank and trailing flank jointly enclose and constitute airtight sky
Between；Some air vents 2 are offered on described left and right side, described air vents 2 are with air processor 3 even
Connect, in order to blow and air draft；
Bottom in described Laboratory Module 1 is divided into trial zone and non-test area, is equipped with viscous in described non-test area
Dirt pad, can lay the earth material of unlike material or the particulate matter that density is different in the described trial zone being；
Dust Testing Instrument 4 and the high-speed camera instrument 5 for shooting Particles Moving situation are installed in described Laboratory Module 1；
Described mechanical foot includes foot model 6, hydraulic means 7, tumbler 8 and base 9, described tumbler 8
For a rotating shaft, one end of described rotating shaft is installed on base 9 by bearing；The upper end of described foot model 6 is filled by hydraulic pressure
Put 7 to be set in described rotating shaft and can be around described axis of rotation, described foot model 6 can move up and down and rotate；Described
The fixed position that is arranged in Laboratory Module of base 9 or the dolly being arranged on motion.
Described air processor 3 includes high efficiency particulate air(filter), air and described efficiency particulate air mistake
The air intake 31 of filter connects, and the air outlet slit of described high efficiency particulate air(filter) passes sequentially through valve 32, pressure gauge
33 and effusion meter 34 be connected with air vents 2.
Described Laboratory Module 1 and external insulation insulation, and adopt anti-static grounding, described Laboratory Module adopts antistatic
Material is made.
The equal scalable of the height of described Dust Testing Instrument 4 and high-speed camera instrument 5 and position.
Described earth material is floor, ceramic tile or carpet.
When the present invention uses, air enters from air intake, through the filtration of high efficiency particulate air(filter), filters out sky
Particulate matter in gas, wherein valve can control the flow of gas, cause granule to human body walking under the different wind conditions of research
The secondary impact being suspended in of thing, pressure gauge is used for measuring air pressure.The multiple purpose of vent setting is can be in different positions
Air intake, the different vent position of research causes the impact of the secondary suspension of particulate matter to human body walking.
The material of unlike material, during experiment, can be laid on the ground of pilot region, such as: floor, ceramic tile, carpet etc.
Deng.The impact that Different Ground material causes the secondary suspension of particulate matter to human body walking can be studied.Pilot region can also be sowed
The particulate matter of different densities, the different impact to experimental result for the particle density of research.
The base of mechanical foot may be mounted at fixing position, and so mechanical foot just can only move up and down and rotate, and also may be used
To be arranged on movable dolly, so add the upper and lower of foot and swing it is possible to simulate the walking feelings of real people
Condition.To simulate the walking enhanced convenience of people, quick with mechanical foot, equally can take the dust dropping with human body, skin
The impact to experimental result for the bits.
In the present embodiment, described Laboratory Module length, width and height are respectively 6m × 2.5m × 2m.Described air processor can
To be blown with optional two and to discharge wind, in the case of carrying out different air-supplies, the particulate matter that indoor human body walking causes
The research of secondary suspension.
Described highefficiencyparticlefilter filter efficiency reaches 99.99%.Described air processor can control its stream
Amount, pressure, create suitable condition for experiment.
Content described in this specification embodiment is only enumerating of the way of realization to inventive concept, the protection of the present invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention is also and in art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (5)
1. simulation people walking causes the device of the secondary suspension of ground particulate, includings Laboratory Module it is characterised in that: also include and reality
The mechanical foot of hatch checking mating reaction；
Described Laboratory Module be cuboid, described cuboid include top surface, bottom surface, left surface, right flank, leading flank and after
Side, described top surface, bottom surface, left surface, right flank, leading flank and trailing flank jointly enclose and constitute airtight space；Institute
Some air vents are offered on the left and right side stated, described air vents are connected with air processor, in order to send
Wind and air draft；
Bottom in described Laboratory Module is divided into trial zone and non-test area, is equipped with sticky mats in described non-test area,
The earth material of unlike material or the particulate matter that density is different can be laid in the described trial zone being；
Dust Testing Instrument and the high-speed camera instrument for shooting Particles Moving situation are installed in described Laboratory Module；
Described mechanical foot includes foot model, hydraulic means, tumbler and base, and described tumbler is a rotating shaft,
One end of described rotating shaft is installed on base by bearing；The upper end of described foot model is set in described by hydraulic means
Rotating shaft on and can be around described axis of rotation, described foot model can move up and down and rotate；Described floor installation is in reality
Fixed position in hatch checking or the dolly being arranged on motion.
2. as claimed in claim 1 simulation people walking cause the secondary suspension of ground particulate device it is characterised in that: described
Air processor include high efficiency particulate air(filter), the air intake of air and described high efficiency particulate air(filter)
Connect, the air outlet slit of described high efficiency particulate air(filter) passes sequentially through valve, pressure gauge and effusion meter and air leads to
Air port connects.
3. as claimed in claim 2 simulation people walking cause the secondary suspension of ground particulate device it is characterised in that: described
Laboratory Module and external insulation be incubated, and adopt anti-static grounding, described Laboratory Module is made using anti-static material.
4. as claimed in claim 3 simulation people walking cause the secondary suspension of ground particulate device it is characterised in that: described
Dust Testing Instrument and high-speed camera instrument the equal scalable of height and position.
5. as claimed in claim 4 simulation people walking cause the secondary suspension of ground particulate device it is characterised in that: described
Earth material be floor, ceramic tile or carpet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835885.6A CN106355986A (en) | 2016-09-21 | 2016-09-21 | Device capable of simulating human walking to cause suspension of ground particulate matters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835885.6A CN106355986A (en) | 2016-09-21 | 2016-09-21 | Device capable of simulating human walking to cause suspension of ground particulate matters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106355986A true CN106355986A (en) | 2017-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610835885.6A Pending CN106355986A (en) | 2016-09-21 | 2016-09-21 | Device capable of simulating human walking to cause suspension of ground particulate matters |
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| CN (1) | CN106355986A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272746A (en) * | 2018-06-07 | 2021-01-26 | 皇家飞利浦有限公司 | Air quality control system and method |
| CN112986066A (en) * | 2021-02-08 | 2021-06-18 | 清华大学 | Experimental device for be used for studying dust particle resuspension law |
Citations (6)
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|---|---|---|---|---|
| CN2695075Y (en) * | 2004-05-13 | 2005-04-27 | 吕玉林 | Walking toy mechanical machine core |
| CN203211418U (en) * | 2013-04-27 | 2013-09-25 | 东莞市华虹电子有限公司 | Multifunctional all-terrain bionic robot |
| CN104677794A (en) * | 2015-01-30 | 2015-06-03 | 常州大学 | Device and method for measuring transient resuspension rate of PM10 on indoor ground under human body walking |
| CN204791644U (en) * | 2015-03-31 | 2015-11-18 | 北京维尔森科技发展有限公司 | Prevent trampling experience trainer |
| WO2016016345A1 (en) * | 2014-07-30 | 2016-02-04 | F. Hoffmann - La Roche Ag | Automated system for processing particles |
| CN206524097U (en) * | 2016-09-21 | 2017-09-26 | 浙江工业大学 | Simulation people's walking causes the device of the secondary suspension of ground particulate |
-
2016
- 2016-09-21 CN CN201610835885.6A patent/CN106355986A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2695075Y (en) * | 2004-05-13 | 2005-04-27 | 吕玉林 | Walking toy mechanical machine core |
| CN203211418U (en) * | 2013-04-27 | 2013-09-25 | 东莞市华虹电子有限公司 | Multifunctional all-terrain bionic robot |
| WO2016016345A1 (en) * | 2014-07-30 | 2016-02-04 | F. Hoffmann - La Roche Ag | Automated system for processing particles |
| CN104677794A (en) * | 2015-01-30 | 2015-06-03 | 常州大学 | Device and method for measuring transient resuspension rate of PM10 on indoor ground under human body walking |
| CN204791644U (en) * | 2015-03-31 | 2015-11-18 | 北京维尔森科技发展有限公司 | Prevent trampling experience trainer |
| CN206524097U (en) * | 2016-09-21 | 2017-09-26 | 浙江工业大学 | Simulation people's walking causes the device of the secondary suspension of ground particulate |
Non-Patent Citations (1)
| Title |
|---|
| IMAN GOLDASTEH等: "《Human induced flow field and resultant particle resuspension and transport during gait cycle》", 《BUILDING AND ENVIRONMENT》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272746A (en) * | 2018-06-07 | 2021-01-26 | 皇家飞利浦有限公司 | Air quality control system and method |
| CN112272746B (en) * | 2018-06-07 | 2022-08-30 | 皇家飞利浦有限公司 | Air quality control system and method |
| CN112986066A (en) * | 2021-02-08 | 2021-06-18 | 清华大学 | Experimental device for be used for studying dust particle resuspension law |
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Application publication date: 20170125 |
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