CN109444008A - Dust environment simulation equipment and dust transmitting device and its dust transmission method - Google Patents
Dust environment simulation equipment and dust transmitting device and its dust transmission method Download PDFInfo
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- CN109444008A CN109444008A CN201811364708.XA CN201811364708A CN109444008A CN 109444008 A CN109444008 A CN 109444008A CN 201811364708 A CN201811364708 A CN 201811364708A CN 109444008 A CN109444008 A CN 109444008A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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Abstract
The invention discloses a dust environment simulation equipment and dust generator and its dust transmission methods, the wherein dust transmitting device, including a dust transmission unit and an even flat main body, wherein the dust transmission unit includes a transmission main body, wherein the transmission main body includes a load-carrying unit, the load-carrying unit can be moved by driving, to transmit a dust, wherein the even flat main body includes at least one even horizontal member, the even horizontal member is held in above the load-carrying unit of the transmission main body, and the even horizontal member even can put down the dust.
Description
Technical field
The present invention relates to a test device, in particular to a dust environment simulation equipment and dust transmitting device and its dust
Transmission method.
Background technique
In recent years, global air pollution is gradually serious, and the concentration value of the PM2.5 in air becomes the one of evaluation air quality
A important indicator, wherein PM2.5 refers to particulate matter of the aerodynamics equivalent diameter less than or equal to 2.5 in air, also referred to as
Fine particle.A large amount of PM2.5 can not only swim in air, cause it is stuffy, and PM2.5 be easy it is subsidiary toxic, harmful
Substance, such as microorganism and heavy metal.In addition, people, during breathing, PM2.5 is easily accessible in the alveolar of human body,
Or dissolution is in blood, or combines in the intracorporal hemoglobin of people, seriously threatens the health of people, and be easy to draw
Send out respiratory disease, cardiovascular disease etc. various.
Various dust sensors, such as PM2.5 sensor are gradually applied to daily life and industrial production
In, for detecting the concentration of the fine particle in air, the air in local environment can be understood in real time in order to user
Quality.For example, since the pollutants such as dust particles, vehicle exhaust in vapour outside air are able to enter the inside of automobile
In space, interior secondhand smoke can also be stayed in for a long time in the inner air of automobile, and the interior decoration of automobile is being exposed to the sun
Harmful substance can be also given out afterwards, and the even bacterium on the dust of air conditioning for automobiles mouth, dust mite and steering wheel can all rest on
In the inner space of automobile, the health of user is influenced, by the way that PM2.5 sensor application is empty to detect automotive interior in automobile
Interior gaseous mass, being conducive to user in time improves interior environment, to meet user to the sky in environment inside car
The requirement of makings amount.
In order to ensure that PM2.5 sensor can meet the use demand of user for a long time, need in manufacture PM2.5 sensing
During device, the quality and service life of PM2.5 sensor are detected, and ensure that PM2.5 sensor can be pre- one
It normally works in section of fixing time.In particular it is necessary to PM2.5 sensor is placed in a simulating dust environment, and in real time
The working condition of PM2.5 sensor is monitored, to grasp the service life of PM2.5 sensor relatively accurately to avoid finished product
PM2.5 sensor is unable to reach the life cycle of manufacturer's promise after being sold by and reduces the usage experience and satisfaction of client
Degree.In actual detection process, it is permanent that the simulating dust environment needs to reach constant temperature, moisture constant and dust concentration
Fixed condition can relatively accurately determine detected PM2.5 sensor whether can within the predetermined time normal work
Make.Once the temperature of the simulating dust environment, humidity and the variation of dust concentration relevant parameter can all influence test result.
The amount for the dust being especially added in the simulating dust environment not only influences whether the concentration in the dust atmosphere, also can
Humidity in the simulating dust environment is had an impact, therefore accurately controls the inlet of dust, is conducive to analog temperature
Constant, moisture constant and the constant simulating dust environment of dust concentration.But it is passed in existing analog detection PM2.5
During the simulating dust environment in the service life of sensor, dust is directly artificially added to the simulating dust environment
In, dust can not make the dust concentration in the simulating dust environment be difficult to evenly into the simulating dust environment
Controlled and be maintained at a predetermined concentration, in turn result in the accuracy of the testing result of the service life to PM2.5 sensor compared with
It is low.
Summary of the invention
It is an object of the present invention to provide a dust environment simulation equipments and dust transmitting device and its dust to transmit
Method a, wherein dust can be transmitted in a test space by the dust transmitting device, in the test space internal model
Quasi- detection environment, for detecting the service life of a dust sensor.
It is an object of the present invention to provide a dust environment simulation equipments and dust transmitting device and its dust to transmit
Method, wherein the dust can be uniformly transferred to the test space by the dust transmitting device, in favor of subsequent
The constant detection environment of a dust concentration is simulated, and then improves the accuracy of the dust environment simulation equipment test.
It is another object of the present invention to provide a dust environment simulation equipments and dust transmitting device and its dust to pass
Transmission method, wherein the dust can be maintained uniformly in the dust transmitting device, in favor of in the test space
The detection environment of simulating dust constant concentration.
It is another object of the present invention to provide a dust environment simulation equipments and dust transmitting device and its dust to pass
Transmission method, wherein the dust is put down by even in the dust transmitting device during transmission.
It is another object of the present invention to provide a dust environment simulation equipments and dust transmitting device and its dust to pass
Transmission method, wherein the dust transmitting device of the dust transmitting device includes a transmission main body, wherein the transmission main body has
At least one it is even rise as high as the banks, the dust can be maintained uniformly in it is described it is even rise as high as the banks in.
It is another object of the present invention to provide a dust environment simulation equipments and dust transmitting device and its dust to pass
Transmission method, wherein the dust transmitting device of the dust transmitting device includes an even flat main body, wherein the even flat main body can
So that the dust be maintained uniformly in it is described it is even rise as high as the banks in.
It is another object of the present invention to provide a dust environment simulation equipments and dust transmitting device and its dust to pass
Transmission method, wherein the even flat main body of the dust transmitting device includes at least one even horizontal member, the even horizontal member is held in
The top of one load-carrying unit of the transmission main body, so that being piled up in the dust of the load-carrying unit can be put down by even,
For that can be transmitted to uniform sequentially in the test space in the subsequent dust for being carried on the load-carrying unit.
It is another object of the present invention to provide a dust environment simulation equipments and dust transmitting device and its dust to pass
Transmission method, wherein the even flat main body of the dust transmitting device includes two even horizontal member, the even horizontal member is set by compartment of terrain
It sets, and can be even twice flat to the dust progress in the transmission main body is fallen within, to guarantee the dust by even flat, Jin Erbao
Barrier dust can be uniformly transferred in the test space, in favor of building the constant detection environment of dust concentration.
It is another object of the present invention to provide a dust environment simulation equipments and dust transmitting device and its dust to pass
Transmission method, wherein the dust transmitting device includes that main body occurs for a dust, the dust occurs main body and enables to dust equal
The transmission main body is fallen to evenly.
It is another object of the present invention to provide a dust environment simulation equipments and dust transmitting device and its dust to pass
Transmission method, wherein the dust transmitting device includes a flow-control module, wherein the flow-control module includes a negative pressure generator, institute
It states negative pressure generator and is placed on the transmission main body dust by way of forming negative pressure and be transmitted in the test space.
It is another object of the present invention to provide a dust environment simulation equipments and dust transmitting device and its dust to pass
Transmission method, wherein the negative pressure generator can control the flow of the dust into the test space.
According to an aspect of the present invention, the present invention further provides a dust transmitting devices comprising:
One dust transmission unit, wherein the dust transmission unit includes a transmission main body, wherein the transmission main body packet
A load-carrying unit is included, the load-carrying unit can be moved by driving, to transmit a dust；With
One even flat main body, wherein the even flat main body includes at least one even horizontal member, the even horizontal member is held in the biography
Above the load-carrying unit of defeated main body, and the even horizontal member even can put down the dust.
According to one embodiment of present invention, the transmission main body have at least one it is even rise as high as the banks, the even horizontal member is kept
In the even top risen as high as the banks.
According to one embodiment of present invention, the transmission main body includes a filtration members, and the filtration members have at least one
Through-hole, the filtration members are arranged at the load-carrying unit, and between the load-carrying unit and the filtration members described in formation
It is even to rise as high as the banks.
According to one embodiment of present invention, the filtration members are removable installed in the load-carrying unit.
According to one embodiment of present invention, even rise as high as the banks is formed in the load-carrying unit.
According to one embodiment of present invention, multiple even rise as high as the banks are formed in the load-carrying unit uniform sequentially.
According to one embodiment of present invention, even rises as high as the banks circumferentially is formed in the load-carrying unit.
According to one embodiment of present invention, the load-carrying unit is a disk, and the load-carrying unit can be by driving water
Level land rotation.
According to one embodiment of present invention, the load-carrying unit is one band-like, and the load-carrying unit can be driven in
Horizontally and vertically periodically move.
According to one embodiment of present invention, the even horizontal member has an even plane and extends a bottom of the even plane
Face, the bottom surface of the even horizontal member are affixed on the transmission main body.
According to one embodiment of present invention, the even horizontal member has an even plane, the even plane of the even horizontal member
It can deformation occurs and is affixed on the transmission main body.
According to one embodiment of present invention, deformation occurs with the even horizontal member contact portion for the load-carrying unit.
According to one embodiment of present invention, the quantity of the even horizontal member is two, and two even horizontal member are spaced apart from each other
Ground is held in the top of the load-carrying unit.
According to one embodiment of present invention, the dust transmitting device further comprises a negative pressure generator, wherein
The negative pressure generator has one first transmission channel and one second transmission channel, wherein described in second transmission channel connection
First transmission channel and exterior space, and second transmission channel be located at the load-carrying unit and first transmission pipeline it
Between, negative pressure is capable of forming in first transmission channel.
According to one embodiment of present invention, the negative pressure generator include one first transfer tube, one second transfer tube with
And one negative pressure main body occurs, first transmission channel and second transmission channel are arranged at the negative pressure and main body occur,
Wherein first transmission channel is formed in first transfer tube, and the transmission channel is formed in second transfer tube, institute
Stating negative pressure generation main body can guide gas to flow in first transmission pipeline.
According to one embodiment of present invention, second transfer tube is set to first transfer tube perpendicular to ground.
According to another aspect of the present invention, the present invention further provides a dust environment simulation equipment, spy includes:
One dust transmission unit, an even flat main body and a negative pressure generator, wherein the dust transmission unit includes one
Main body is transmitted, wherein the transmission main body includes a load-carrying unit, the load-carrying unit can be moved by driving, to transmit a powder
Dirt；Wherein the even flat main body includes at least one even horizontal member, and the even horizontal member is held in the carrying of the transmission main body
Above element, and the even horizontal member even can put down the dust, the negative pressure generator have one first transmission channel be connected to
First transmission channel described in one second transmission channel of first transmission channel is located above the load-carrying unit, and described first
Negative pressure is capable of forming in transmission channel；And
One test device, wherein the test device has a test space, wherein the test space be connected to it is described
First transmission channel of negative pressure generator.
Other side under this invention, the present invention further provides the dust transmission method of a dust transmitting device,
Described in transmission method include the following steps:
(a) an even flat dust is in a load-carrying unit；With
(b) dust is transmitted in a test space.
According to one embodiment of present invention, before the step (a), the transmission method further comprises walking as follows
It is rapid:
The dust is fallen in the load-carrying unit；With
The load-carrying unit is rotated, it is even to put down the powder with during the load-carrying unit drives the dust mobile
Dirt is in the load-carrying unit.
According to one embodiment of present invention, the dust is fallen before the load-carrying unit described, the transmission side
Method further comprises step: the dust that vibration is contained in an accommodating chamber.
According to one embodiment of present invention, it in the step (a.1), is connect by even rise as high as the banks of the load-carrying unit
Receive the dust.
According to one embodiment of present invention, even flat by an even horizontal member blocking dust in the step (a)
The dust.
According to one embodiment of present invention, in the above-mentioned methods, further comprise step:
(c.1) by the even flat primary dust of one first even horizontal member；With
(c.2) dust is put down by one second even horizontal member is even again.
Detailed description of the invention
Fig. 1 is the schematic perspective view of a dust environment simulation equipment of a preferred embodiment of the invention.
Fig. 2A is the dust transmission of the dust environment simulation equipment of above-mentioned preferred embodiment according to the present invention
Device transmits a stage schematic diagram of a dust.
Fig. 2 B is the dust transmitting device of the dust transmitting device of above-mentioned preferred embodiment according to the present invention
Transmit a stage schematic diagram of the dust.
Fig. 2 C is the dust transmitting device of the dust transmitting device of above-mentioned preferred embodiment according to the present invention
Transmit a stage schematic diagram of the dust.
Fig. 2 D is the dust transmitting device of the dust transmitting device of above-mentioned preferred embodiment according to the present invention
Transmit a stage schematic diagram of the dust.
Fig. 3 A is the dust transmission of the dust environment simulation equipment of above-mentioned preferred embodiment according to the present invention
One variant embodiment schematic diagram of one load-carrying unit of one transmission main body of the dust transmission unit of device.
Fig. 3 B is the dust transmission of the dust environment simulation equipment of above-mentioned preferred embodiment according to the present invention
One variant embodiment schematic diagram of the load-carrying unit of the transmission main body of the dust transmission unit of device.
Fig. 4 A is the dust transmission of the dust environment simulation equipment of above-mentioned preferred embodiment according to the present invention
Another variant embodiment schematic diagram of the load-carrying unit of the transmission main body of the transmission unit of device.
Fig. 4 B is the dust transmission of the dust environment simulation equipment of above-mentioned preferred embodiment according to the present invention
Another variant embodiment schematic diagram of the load-carrying unit of the transmission main body of the transmission unit of device.
Fig. 5 A is the dust transmission of the dust environment simulation equipment of another preferred embodiment according to the present invention
The schematic diagram of device.
Fig. 5 B is the dust transmission of the dust environment simulation equipment of another preferred embodiment according to the present invention
The schematic diagram of device.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description
Basic principle of the invention can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back
Other technologies scheme from the spirit and scope of the present invention.
It will be understood by those skilled in the art that in exposure of the invention, term " longitudinal direction ", " transverse direction ", "upper",
The orientation of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore above-mentioned art
Language is not considered as limiting the invention.
It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment,
The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no
It can be interpreted as the limitation to quantity.
Referring to Figure of description 1 to Fig. 2 D, a dust environment simulation equipment 100 according to the present invention will be retouched next
Be set forth in stating, wherein the dust environment simulation equipment 100 can simulate a constant temperature and humidity and dust concentration it is constant one
Environment is detected, with the service life for detecting an at least dust sensor 200.Specifically, the dust atmosphere simulation is set
Standby includes a dust transmitting device 300 and a test device 400, wherein the dust transmitting device 300 can obtain a dust
500, and the dust 500 is uniformly transferred to a test space 401 of the test device 400, in favor of in the survey
The detection environment that simulation dust concentration is constant in space 401 is tried, is detected to improve the dust environment simulation equipment 100
The accuracy of the service life of the dust sensor.
It is noted that the type of the dust 500 is unrestricted, the dust 500 be may be implemented as but unlimited
In the ultra-fine experiment scheme design of A1, the fine experiment scheme design of A2, A3 middle rank experiment scheme design, A4 crude test dust or those skilled in the art
Known other kinds of dust etc..In addition, the type of the dust sensor 200 is also unrestricted, the dust sensing
Device 200 may be implemented as but be not limited to PM2.5 sensor.The concrete type of the dust 500 and the dust sensor 200
It is merely exemplary, it can't be the limitation to the contents of the present invention and range.
Further, referring to figs. 1 to Fig. 2 D, the dust transmitting device 300 includes a dust generating unit 10 and a powder
Dirt transmission unit 20, wherein the dust generating unit 10 has an accommodating chamber 11, for accommodating particulate matter etc. for subsequent
The substance of the dust 500 is formed, and the dust phonation unit 10 can will be housed inside the particle of the accommodating chamber 11
The production of the substances such as object makes through but not limited to the modes such as smashing, grinding, filter in the dust 500, and the dust transmission is singly
Member 20 includes a transmission main body 21, wherein the transmission main body 21 includes a load-carrying unit 211, the dust 500 can be from institute
The upper end opening 111 for stating accommodating chamber 11 enters in the accommodating chamber 11, and the dust 500 can be under gravity from institute
State the load-carrying unit 211 that the transmission main body 21 is dropped down onto the lower ending opening 112 of accommodating chamber 11.That is, the appearance
Receive chamber 11 the lower ending opening 112 correspond to it is described transmission main body 21 the load-carrying unit 211, thus work as the dust
When dust generating unit 10 described in 500 112 threshing of the lower ending opening from the accommodating chamber 11, the dust 500 can be according to
The load-carrying unit 211 of the transmission main body 21 is automatically dropped down by gravity principle.
Preferably, the load-carrying unit 211 is discoid, and the load-carrying unit 211, which is driven, horizontally to be rotated to transmit
The dust 500.It should be understood that the load-carrying unit 211 also may be implemented as other shapes, such as polygon or ellipse
Shape etc., referring to figs. 1 to Fig. 2 D.
Optionally, referring to Fig. 3 A, the load-carrying unit 211 be it is band-like, the load-carrying unit 211 is with being driven to back
It both horizontally and vertically moves, that is, the transmission main body 21 is crawler type transmission structure, and the load-carrying unit 21 can
It is driven in and horizontally and vertically periodically moves.For example, the transmission main body 21 includes two rollers, described
Load-carrying unit 211 is circumferentially set to the roller, and the roller is held in the load-carrying unit both ends with being respectively separated,
The rollers roll is able to drive the rotation of load-carrying unit 211 and transmits the dust 500.
Optionally, referring to Fig. 3 B, the load-carrying unit 211 is band-like, and the load-carrying unit 211 can be received in rolls
It receives, and 211 horizontal ground motion of the load-carrying unit transmits the dust 500.For example, the transmission main body 21 is further wrapped
Two roller bearings and two transition axises are included, two transition axises are held between two roller bearings, and the transition axis is kept
Above the roller bearing, one end of the load-carrying unit 211 is set around the roller bearing in left side, that is, the load-carrying unit 211
It is set to the roller bearing in left side in rolls, one end of the load-carrying unit 211 is successively passed through two roller bearings and set
It is placed in the roller bearing on right side, two roller bearings are rotated by driving and drive the rolling of the load-carrying unit 211 from left side
Axis moves to the roller bearing on right side, while constantly horizontally transmitting the dust 500, and the load-carrying unit 211 continues
Ground is accommodated in the roller bearing on right side in rolls, when the load-carrying unit 211 for the roller bearing for being incorporated in left side is complete
After expansion, the load-carrying unit 211 that right side is stored in rolls is replaced to left side, and then continues to transmit the dust 500.
Referring to Fig. 2A to Fig. 2 D, according to a preferred embodiment of the present invention, the transmission main body 21 further has one to pass
Defeated slot 212, the transmission slot 212 are connected to the accommodating chamber 11 of the dust transmitting device 10, the institute in the accommodating chamber 11
Stating dust 500 can fall under gravity in the transmission slot 212.Specifically, the transmission main body 21 is further
Including enclosing 213 and an outer enclosing 214 in one, the interior enclosing 213 and the outer enclosing 214 are positioned apart from and are held in described
Element 211 is carried, and then forms the biography between the interior enclosing 213, the outer enclosing 214 and the load-carrying unit 211
Defeated slot 212.Preferably, the load-carrying unit 211, the interior enclosing 213 and the outer enclosing 214 of the transmission main body 21 are
Integral structure.
Further, the dust 500 in the accommodating chamber 11 can equably fall in the described of transmission main body 21 and hold
It carries on element 211.Specifically, the dust generating unit 10 includes a blanking main body 12 and a material controlling mechanism 13, wherein institute
It states accommodating chamber 11 and is formed in the blanking main body 12, the material controlling mechanism 13 is held in the accommodating chamber 11, the material controlling
Mechanism 13, which can control 500 particle size of the dust in the accommodating chamber 11 and control the dust 500, drops down onto the biography
The amount of the load-carrying unit 211 of defeated main body 21.Preferably, the material controlling mechanism 13 can be carried out stirring motor, pass through control
The revolving speed of stirring motor processed can control 500 particle size of dust and control drops down onto the described of the dust transmission unit 20
The amount of the dust 500 on load-carrying unit 211, and then ensure that the dust 500 can equably drop down onto the dust transmission
The load-carrying unit 211 of unit 20 is conducive to that the dust 500 test device can be uniformly transferred to subsequent
In 400 test space 401.
Preferably, the blanking main body 12 is funnel-shaped, that is, the area of the cross section of the lower part of the blanking main body 12 is small
Area in the cross section on the top of the blanking main body 12 is conducive to the appearance that guidance is housed inside the blanking main body 12
Receive chamber 11 the dust 500 in an orderly manner into the dust transmission unit 20 the transmission main body 21 the transmission slot
212, it is jammed in the accommodating chamber 11 to avoid dust.
In addition, the dust generating unit 10 includes a support frame 14, the blanking main body 12 is arranged at the support
Frame 14, and the blanking main body 12 is held stably in the top of the load-carrying unit 211, and the accommodating chamber 11
The lower ending opening 112 is connected to the accommodating chamber 11 and the transmission slot 212.
Further, the dust generating unit 10 includes a vibration component 15, and the vibration component 15 is arranged at institute
Support frame 14 is stated, the vibration component 15 can generate vibration and support frame as described above 14 is vibrated, and drive the blanking master
Body 12 vibrates, so be housed inside the blanking main body 12 the accommodating chamber 11 the dust 500 in the receiving
It is shaken in chamber 11 and falls within the load-carrying unit 211 in an orderly manner, blocked in the accommodating chamber 11 to avoid the dust 500.
Preferably, the vibration component 15 may be implemented as vibrating motor.Preferably, the vibration component 15 is held in the branch
The lower section of support 14.
Referring to Figure of description 2A to Fig. 2 D, in one embodiment of this invention, the dust transmission unit 20 includes one
Even flat main body 22, the even flat main body 22 can be even flat by the dust 500 for being piled up in the load-carrying unit 211, so that
The dust 500 can be maintained uniformly on the load-carrying unit 211.Further, the transmission main body 20 is described
Load-carrying unit 211 can be moved by driving and relative to the even flat main body 22, so that dropping down onto the load-carrying unit 211
The dust 500 is during transmission by even flat.
Referring to Figure of description 2A to Fig. 2 D, an embodiment according to the present invention, the even flat main body 22 includes at least one
Even horizontal member 221, the even horizontal member 221 are held in the top of the load-carrying unit 211, will pass through the even horizontal member 221
The dust 500 is even flat.Preferably, the even horizontal member 221 is arranged at the load-carrying unit 211 with the transmission main body 21
There are a predetermined vertical ranges, so as to the load-carrying unit 211 for transmitting main body 21 is carried on during being transmitted,
The dust 500 is shakeout by the even horizontal member 221 in the load-carrying unit 211, so that by described in the load-carrying unit 211
Dust 500 is held in a preset thickness.It should be understood that in some embodiments of the invention, the even horizontal member 221 with
The predetermined vertical range between the load-carrying unit 211 determines the even horizontal member 221 by the even flat main body 22
The preset thickness of the dust 500 afterwards.
Preferably, the particular number of the even horizontal member 221 is implemented as two, referring to Fig. 2A to Fig. 2 C, defines two institutes
Stating even horizontal member 221 is respectively one first even horizontal member 2211 and a second even horizontal member 2212, first even 2211 He of horizontal member
The second even horizontal member 2212 is set to the top of the load-carrying unit 211 of the transmission main body 21 spaced reciprocally, and
Between the first even horizontal member 2211 and the second even horizontal member 2212 and the load-carrying unit 211 there are it is described it is predetermined it is vertical away from
From so that the dust 500 for being piled up in the load-carrying unit 211 can be by the described first even horizontal member 2211 and described
Two even horizontal member 2212 are even flat.It is described when being fallen within from the accommodating chamber 11 of the dust generating unit 10 referring to Fig. 2A and Fig. 2 B
Load-carrying unit 211, the dust 500 for falling within the load-carrying unit 211 is moved towards the described first even horizontal member 2211, by institute
When stating the first even horizontal member 2211, the dust 500 is put down by even for the first time, to avoid the dust 500 accumulation.Referring to Fig. 2 C, institute
It states dust 500 to continue to move towards the described second even horizontal member 2212, and even flat by second, and then the dust 500 is transmitting
During by the even flat main body 22 it is even it is flat twice, further keep the dust 500 that can be maintained uniformly in described
Load-carrying unit 211.It should be understood that the particular number of the even horizontal member 221 of the even flat main body 22 is unrestricted, it is described
Even horizontal member 221 may be implemented as one or multiple so that the dust 500 by it is primary or repeatedly it is even it is flat after
It is transferred in the test space 401 of the test device 400, in favor of the analog temperature in the test space 401
Constant, moisture constant and the constant detection environment of dust concentration.
Referring to Fig. 2A to Fig. 2 D, further, the transmission main body 21 of the dust transmission unit 20 has at least one
Even to rise as high as the banks 215, even 215 connections of the rising as high as the banks transmission slot 212, the even flat main body 22, which is held in, described even rises as high as the banks 215
Top, the accommodating chamber 11 of even 215 connections of the rising as high as the banks dust generating unit 10, the dust 500 can be from institute
State directly fallen in accommodating chamber 11 it is described it is even rise as high as the banks in 215, and the dust 500 for dropping down onto transmission main body 20 can be by described even
Flat main body 22 is even put down in it is described it is even rise as high as the banks in 215, and be held stably in it is described it is even rise as high as the banks in 215, and then ensure the powder
Dirt 500 can be transmitted in a manner of being equably held in the load-carrying unit 211, to prevent the dust 500 from accumulating, favorably
In the subsequent test space 401 for being uniformly transferred to the test device 400 of the dust 500.
Referring to Fig. 2A to Fig. 2 D, in a preferred embodiment of the invention, the transmission main body 21 further comprises a mistake
Part 216 is filtered, wherein the filtration members 216 have an at least through-hole 2161, the filtration members 216 are set to the transmission main body 21
The transmission slot 212 in, the through-hole 2161 is connected to the transmission slot 212, and the filtration members 216 are to be bonded the carrying
The mode on the surface of element 211 is held in the load-carrying unit 211, and then in the filtration members 216 and the load-carrying unit
It is formed between 211 and described even rises as high as the banks 215.
Further, the even horizontal member 221 of the even flat main body 22 can be affixed on the surface of the filtration members 216,
And make the even horizontal member 221 be held in it is described it is even rise as high as the banks 215 top, and the even horizontal member 221 can cover it is described even
Rise as high as the banks 215 opening so that by dust 500 described in the even horizontal member 221 can fill up just it is described it is even rise as high as the banks 215, into
One step is conducive to ensure the test space 401 that the dust 500 is uniformly transferred to the test device 400.
Preferably, the filtration members 216 may be implemented as a strainer.It is highly preferred that the filtration members 216 are detachable
Ground is held in the load-carrying unit 211, in order to be individually replaced or safeguard the filtration members 216, to ensure the transport master
The service life of body 21.In other embodiments of the invention, the different filtration members 216 have the institute of different sizes
Through-hole 2161 is stated, installing has the filtration members 216 of different size of through-hole 2161 in the load-carrying unit 211, described
Even rise as high as the banks formed between filtration members 216 and the load-carrying unit 211 215 can have a different capacity, and then use
Person can adjust the demand to dust in the detection process by replacing different filtration members 216.
Preferably, even rise as high as the banks 215 is formed in the load-carrying unit 211, that is, the surface of the load-carrying unit 211 to
Sunken inside formed it is described it is even rise as high as the banks 215, referring to Fig. 4 A and Fig. 4 B.Optionally, the load-carrying unit 212 is made of metal, e.g.,
Copper, iron, stainless steel etc., even rise as high as the banks 215 can be made through the stamping process.
Referring to Fig. 4 A, it is preferable that it is described it is even rise as high as the banks 215 quantity be it is multiple, even rise as high as the banks 215 is distributed uniform sequentially
In the load-carrying unit 211, so that the dust 500 can be maintained uniformly in the load-carrying unit 211, and subsequent
It can equably be transferred in the test space 401 of the test device 400.
Referring to Fig. 4 B, optionally, even 215 quantity of rising as high as the banks may be implemented as one, and one described even to rise as high as the banks 215
Circumferentially it is formed in the load-carrying unit 211, the dust control amount of even 215 connections of the rising as high as the banks dust generating unit 10
Chamber 11.Preferably, the low side of the even flat main body 22 be held in it is described it is even rise as high as the banks 215 aperture position, that is, the even flat master
The low side of body 22 and even 211 opening of rising as high as the banks are held in same plane, when the load-carrying unit 211 is relative to described even flat
During main body 22 rotates, be piled up in it is described it is even rise as high as the banks in 215 and be more than it is described it is even rise as high as the banks 215 aperture position the powder
Dirt 500 can be stopped by the even flat main body 221 and be shakeout, and then ensure that the dust 500 can be equably held in
The load-carrying unit 211.
According to a preferred embodiment of the present invention, the even horizontal member 221 has an even plane 2201 and extends described even
One bottom surface 2202 of plane 2201, the even horizontal member 221 are affixed on the load-carrying unit 211 and described even flat with the bottom surface 2202
The mode of face 2201 towards the dust generating unit 10 is held in the top of the load-carrying unit 211, when the carrying member
Part 211 is by driving and during moving, and the bottom surface 2202 and the load-carrying unit 211 can generate friction, and when accumulation
When the even plane 2201 of the dust 500 Jing Guo the even horizontal member 221, the even plane 2201 of the even horizontal member 221
It can stop the dust 500, the load-carrying unit 211 continues to rotate, and the dust 500 can be from the institute of the even horizontal member 221
It states and passes through between bottom surface 2202 and the surface of the load-carrying unit 211, and be maintained uniformly in the load-carrying unit 211.It answers
The understanding, in other embodiments, the bottom surface 2202 of the even horizontal member 221 is affixed on the surface of the filtration members 216, institute
Stating dust 500 can pass through between the bottom surface 2202 and the filtration members 216 of the even horizontal member 221.
Referring to Fig. 5 A, it is preferable that the even horizontal member 221 can be held in the load-carrying unit in such a way that deformation occurs
211 top.Preferably, the even horizontal member 221 can be stopped by the load-carrying unit 211 and the filtration members 216 and be occurred
Deformation, the even plane 2201 of the even horizontal member 221 is towards the dust generating unit 10, and the even horizontal member 221 is with institute
State even plane 2201 deformation occurs and part be covered in it is even rise as high as the banks 215 upper end opening, the mode of the load-carrying unit 211 protected
It is held in the top of the load-carrying unit 211.The even plane 2201 of the even horizontal member 221 can stop the dust of accumulation
500, during the load-carrying unit 211 is moved by driving, the dust 500 of accumulation is by the described even of the even horizontal member 221
Plane 2201 be equably bulldozed in it is described it is even rise as high as the banks 215, and then be maintained uniformly in the carrying of the transmission main body 22
Element 211.Such as the even horizontal member 221 may be implemented as but be not limited to rubber, silica gel or plastics etc. other with bullet
Property substance be made, and the load-carrying unit 211 use but be not limited to metal, ceramics, stone material, glass or other materials system
?.Preferably, the even horizontal member 221 may be implemented as hairbrush.
In other embodiments of the invention, the load-carrying unit 211 also be may be implemented as with portion by institute
Even horizontal member 221 is stated to stop and the mode that deforms is held in the lower section of the even horizontal member 221, and 221 energy of even horizontal member
Enough cover even 215, such as Fig. 5 B of rising as high as the banks.When the load-carrying unit 211 passes through the even horizontal member during rotation
When 221, the load-carrying unit 211 corresponds to the position of the bottom surface 2202 of the even horizontal member 221, and deformation occurs, accumulation
Stopped in the dust 500 of the load-carrying unit 211 by the even plane 2201 of the even horizontal member 221 and shakeouts.It is preferred that
The bottom surface 2202 on ground, the even horizontal member 221 has radian, and makes the load-carrying unit by the even horizontal member 221
211 can gently restore deformation, avoid the load-carrying unit 211 restoring to make during deformation by the even flat powder
Dirt 500 is shaken, and then ensures that the dust 500 is maintained uniformly in the load-carrying unit 211.
The even flat main body 22 further comprises an at least support base 222, and the support base 222 is fixed in the carrying
Platform 211, the even horizontal member 221 are arranged at the support base 222, and the even horizontal member 221 is made to be held in described hold
Carry 211 top of element.
Referring to Fig. 2A to Fig. 2 D, according to a preferred embodiment of the present invention, the dust transmitting device 100 includes a flow control
Unit 30, wherein the flow-control module 30 will can equably be held in the load-carrying unit 211 of the transmission main body 21
The dust 500 is transmitted in the test space 401 of the test device 400.Specifically, the flow-control module 30 is wrapped
A negative pressure generator 31 is included, wherein the negative pressure generator 31 has one first transmission channel 311 and one second transmission channel
312, wherein second transmission channel 312 is connected to the transmission of first transmission channel 311 and the transmission main body 21
Slot 212, that is, the opening of second transmission channel 312 is located at 211 top of load-carrying unit.31 energy of negative pressure generator
Enough an air-flow 600 is transmitted to according to a predetermined flow rate from first transmission channel 311 of the negative pressure generator 31 described
The test space 401 of test device 400.Further, when the air-flow 600 according to the predetermined flow rate in the negative pressure
In first transmission channel 311 of generator 31 during flowing, so that the gas pressure in first transmission channel 311
It is less than second transmission channel 312 and outside pressure by force, so that a subnormal ambient is formed in the negative pressure generator 31, and
So that the dust 500 for being carried on the load-carrying unit 211 is inhaled into second transmission channel 312, and then the powder
Dirt 500 enter first transmission channel 311 in, and by first transmission channel 311 the air-flow 600 carry and by
It is transmitted in the test space 401 of the test device 400.
Further, the negative pressure generator 31 is negative including one first transfer tube 313, one second transfer tube 314 and one
Main body 315 is given birth in pressure, and first transmission channel 313 and second transmission channel 314 are arranged at the negative pressure and lead
Body 315, wherein first transmission channel 311 is formed in first transfer tube 313, the transmission channel 312 is formed in institute
The second transfer tube 314 is stated, second transfer tube 314 is arranged at first transfer tube 313, and second transfer tube
314 are located at the load-carrying unit 211 of the transmission main body 21 of first transfer tube 313 and the dust transmission unit 20
Between, first transfer tube 313 can be connected to the test device 400, and main body 315, which occurs, for the negative pressure to drive
The air-flow 600 enters the detection of the test device 400 according to the predetermined flow rate from first transmission channel 311
In space 401.Make the load-carrying unit 211 for being equably carried on the transmission main body 21 by the negative pressure generator 31
The dust 500 successively by the negative pressure generator 31 first transfer tube 313 and second transfer tube 314 and
Into the test space 401 of the test device 400.Preferably, second transfer tube 314 is perpendicular to described first
The mode of transfer tube 313 is arranged at first transfer tube 313, and then is conducive to the dust 500 swimmingly into described
In first transmission channel 311.
Further, main body 315, which occurs, for the negative pressure of the negative pressure generator 31 can adjust the institute of the air-flow 600
Predetermined flow rate, and then the gas pressure intensity in first circulation passage 311 of the change negative pressure generator 31 are stated, to change
The suction size of negative pressure generator 31 is stated, and then controls the amount of the dust 500 entered in first transmission channel 311,
The dust concentration in the detection space 401 to ensure the test device 400.
Preferably, referring to Fig.1, the flow-control module 30 further comprises a flow monitor 32.The flow monitor
32 are communicatively connected in a network the negative pressure generation main body 315 in the negative pressure generator 31, and the flow monitor 32 can
Detection enters from the mixed airflow in the detection space 401 that first transmission channel 311 enters the test device 400
Amount, and then the flow monitor 32 can be cooperated with the negative pressure generator 31 to control into the detection space
Dust Capacity in 401, and then ensure that the dust concentration in the detection space 401 meets testing requirement, to ensure the dust
Environmental simulation equipment detects the accuracy in the service life of the dust sensor 200.Preferably, the mixed gas flow is to refer to A2 powder
The air of dirt and room temperature 8%RH humidity.Preferably, the flow monitor 32 may be implemented as but be not limited to float metering
Device.
Further, the transmission main body 21 includes a support base 217, wherein the transmission main body 21 can be driven
And it is rotated relative to the support base 217, and the load-carrying unit 211 can be along the even flat main body 22 towards the negative pressure
Second transfer tube 314 of generator 31 moves, and then will be transmitted continuously to the flow control by the even flat dust 500
The negative pressure generator 31 of unit 30.
Further, the transmission main body 21 includes a driving element 218, and the driving element 218 is arranged at described
Load-carrying unit 211, the driving element 218 can be accurately controlled the rotation speed of the load-carrying unit 211.Preferably, institute
It states driving element 218 and is installed in the support base 217.Preferably, the driving element 218 is implemented as a driving progress
Motor is precisely controlled the load-carrying unit 211 and accurately controlling the size of the output power for driving progress motor
The speed of rotation, and then the transmission speed of the dust 500 is controlled, so that control is by described in the negative pressure generator 31
The amount of dust 500.
Further, referring to Fig.1, the dust transmitting device 300 includes a shell 40, and the shell 40 has one to accommodate
Chamber 41 and a feeding inlet 42, wherein the feeding inlet 42 is connected to the accommodating chamber 41, the dust generating unit 10, the dust
Transmission unit 20 and the flow-control module 30 are housed inside the shell 40, and the dust 400 can be from the feeding inlet 42
It is added in the material controlling chamber 11 of the dust generating unit 10.Specifically, the shell 40 includes a shell main body 43
With a cover board 44, the cover board 44 is movably disposed in the shell main body 43 so that the accommodating chamber 41 and it is described enter
Material mouth 42 can be closed, to avoid the dust 400 is overflowed from the feeding inlet 42 and pollutes environment.Preferably, the shell
Main body 43 and/or the cover board 44 are transparent, and then can be observed by the shell main body 43 and/or the cover board 44 described
Situation in accommodation space 41 can especially observe the institute of the dust generating unit 10 at any time by the cover board 44
The surplus of the dust 500 in material controlling chamber 11 is stated, to add the dust 500 in time, to ensure that it is single that the dust occurs
Always there is the sufficient dust 500 in the material controlling chamber 11 of member 10.
Further, the dust transmitting device 300 includes a power supply unit 50, and said supply unit 50 is housed inside institute
It states in the accommodating chamber 41 of shell 40, said supply unit 50 is electrically connected to the driving of the dust transmission unit 20
Element 218, the material controlling mechanism 13 of the dust generating unit 10, the vibration component 15, the flow-control module 30 institute
Negative pressure generator 31 and the flow monitor 32 are stated, and provides electric energy supply for it.
The present invention further provides a dust transmission methods of the dust transmitting device 300, wherein the dust transmits
Method includes the following steps:
In this stage shown in attached drawing, it is single that the dust 500 drops down onto the dust transmission from the accommodating chamber 11
The load-carrying unit 211 of the transmission main body 21 of member 20.Preferably, it is vibrated by a vibration component 15 and drives the powder
Dirt 500 is shaken in the accommodating chamber 11 of the dust generating unit 10 and is fallen from the lower ending opening 112 of the accommodating chamber 11
In the load-carrying unit 211.Preferably, the dust 500 is controlled in an orderly manner from the accommodating chamber 11 by an agitating member 13
Lower ending opening 112 falls within the load-carrying unit 211.
In this stage shown in attached drawing, the dust 500 is put down by the even flat main body 22 is even.Specifically, it revolves
Turning the load-carrying unit 211, the load-carrying unit 211 is moved from the dust generating unit 10 towards the even flat main body 22,
The dust 500 by the even flat main body 22 has a predetermined thickness.Preferably, equably keep the dust at least
One it is described it is even rise as high as the banks in 215, specifically, fall within the even dust 500 risen as high as the banks in 215 and described even rise as high as the banks 215
Opening maintain an equal level.
In this stage shown in attached drawing, negative pressure is formed to suck the dust in first transmission channel 311.
Further, the dust 500 in first transmission channel 311 is transferred to the test of the test device 400
In space 401.
It will be appreciated by those skilled in the art that above embodiments are only for example, wherein the feature of different embodiments
It can be combined with each other, with the reality that the content disclosed according to the present invention is readily conceivable that but is not explicitly pointed out in the accompanying drawings
Apply mode.
It should be understood by those skilled in the art that foregoing description and the embodiment of the present invention shown in the drawings are only used as illustrating
And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.Function and structural principle of the invention exists
It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.
Claims (13)
1. a dust transmitting device characterized by comprising
One dust transmission unit, wherein the dust transmission unit includes a transmission main body, wherein the transmission main body includes one
Load-carrying unit, the load-carrying unit can be moved by driving, to transmit a dust；With
One even flat main body, wherein the even flat main body includes at least one even horizontal member, the even horizontal member is held in the transmission master
Above the load-carrying unit of body, and the even horizontal member even can put down the dust.
2. dust transmitting device according to claim 1, wherein the transmission main body have at least one it is even rise as high as the banks, it is described even
Horizontal member is held in the even top risen as high as the banks.
3. dust transmitting device according to claim 2, wherein the transmission main body includes a filtration members, the filtration members
With an at least through-hole, the filtration members are arranged at the load-carrying unit, and the load-carrying unit and the filtration members it
Between form described even rise as high as the banks.
4. dust transmitting device according to claim 3, wherein the filtration members are removable installed in the carrying
Element；Or the filtration members are integrally formed in the load-carrying unit.
5. dust transmitting device according to claim 4, wherein the even quantity risen as high as the banks be it is multiple, it is multiple described even flat
Slot is formed in the load-carrying unit uniform sequentially；Or the even quantity risen as high as the banks is one, one described even to rise as high as the banks circumferentially
It is formed in the load-carrying unit.
6., wherein the load-carrying unit is a disk, the carrying is first according to claim 1 to dust transmitting device described in 5
Part can horizontally be rotated by driving；Or the load-carrying unit is one band-like, the load-carrying unit can be driven in level side
It is periodically moved to vertical direction；Or the even horizontal member has an even plane and extends a bottom surface of the even plane,
The bottom surface of the even horizontal member, which is affixed on the transmission main body or the even horizontal member, has an even plane, the even horizontal member it is described
Even plane can deformation occurs and is affixed on the transmission main body；Or shape occurs for the load-carrying unit and the even horizontal member contact portion
Become.
7. dust transmitting device according to any one of claims 1 to 6, wherein the quantity of the even horizontal member is two, two
The even horizontal member is held in the top of the load-carrying unit spaced reciprocally.
8. dust transmitting device according to any one of claims 1 to 7 further comprises a negative pressure generator, wherein described
Negative pressure generator has one first transmission channel and one second transmission channel, wherein second transmission channel connection described first
Transmission channel and exterior space, and second transmission channel is between the load-carrying unit and first transmission pipeline,
Negative pressure is capable of forming in first transmission channel.
9. a dust environment simulation equipment characterized by comprising
The dust transmitting device according to any one of claims 1 to 8；With
One test device, wherein the test device has a test space, wherein the test space is connected to the negative pressure
First transmission channel of generator.
10. the dust transmission method of a dust transmitting device, which is characterized in that the transmission method includes the following steps:
(a) an even flat dust is in a load-carrying unit；With
(b) dust is transmitted in a test space.
11. transmission method according to claim 10, wherein the transmission method is further before the step (a)
Include the following steps:
The dust is fallen in the load-carrying unit；With
Rotate the load-carrying unit, with during the load-carrying unit drives the dust mobile, it is even put down the dust in
The load-carrying unit.
12. transmission method described in 0 or 11 according to claim 1, wherein in the step (a), by the transmission main body
Even rise as high as the banks receive the dust；It is even by an even horizontal member blocking dust to put down the powder or in the step (a)
Dirt；Or in the step (a), stops the dust by an even horizontal member and make the dust enter even rise as high as the banks and even flat
The dust.
13. transmission method according to claim 12, wherein further comprising step in the above-mentioned methods:
(c.1) by the even flat primary dust of one first even horizontal member；With
(c.2) dust is put down by one second even horizontal member is even again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364708.XA CN109444008A (en) | 2018-11-16 | 2018-11-16 | Dust environment simulation equipment and dust transmitting device and its dust transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364708.XA CN109444008A (en) | 2018-11-16 | 2018-11-16 | Dust environment simulation equipment and dust transmitting device and its dust transmission method |
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| CN109444008A true CN109444008A (en) | 2019-03-08 |
Family
ID=65554482
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811364708.XA Pending CN109444008A (en) | 2018-11-16 | 2018-11-16 | Dust environment simulation equipment and dust transmitting device and its dust transmission method |
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| CN110595844A (en) * | 2019-09-11 | 2019-12-20 | 深圳国技仪器有限公司 | Control system and testing device of electromagnetic oscillation dust distribution device |
| CN110595845A (en) * | 2019-09-11 | 2019-12-20 | 深圳国技仪器有限公司 | Electromagnetic oscillation dust distribution and distribution device for testing atmosphere sampling equipment and testing device |
| CN110595957A (en) * | 2019-10-14 | 2019-12-20 | 徐州市质量技术监督综合检验检测中心 | Experimental device and method for simulating dust motion characteristics in complex environment |
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