CN206470147U - PM2.5 mass concentration standard set-ups - Google Patents
PM2.5 mass concentration standard set-ups Download PDFInfo
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- CN206470147U CN206470147U CN201621463146.0U CN201621463146U CN206470147U CN 206470147 U CN206470147 U CN 206470147U CN 201621463146 U CN201621463146 U CN 201621463146U CN 206470147 U CN206470147 U CN 206470147U
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Abstract
The utility model is related to air quality monitoring technical field, more particularly, to a kind of PM2.5 mass concentrations standard set-up, including casing, and the sampling front filter stocking mechanism that is internally provided with of casing is used to store the filter membrane before sampling；Filter membrane transfer device is used to shift the filter membrane before sampling, and for shifting the filter membrane after sampling；Electronic balance is used to weigh to the filter membrane before sampling, and for being weighed to the filter membrane after sampling；Filter membrane stocking mechanism is used to store the filter membrane after sampling after sampling；Filter membrane sampling mechanism, for making the filter membrane before sampling sample the outside air of the outside of casing；The inside of casing is additionally provided with temperature-adjusting device and humidity control apparatus, and temperature-adjusting device is used for the temperature for adjusting the inside of casing, and humidity control apparatus is used for the humidity for adjusting the inside of casing.The utility model greatly reduces transfer and transports the possibility that the filter membrane caused is stained, so as to improve the accuracy of measurement.
Description
Technical field
The utility model is related to air quality monitoring technical field, is filled more particularly, to a kind of PM2.5 mass concentrations standard
Put.
Background technology
PM2.5 particulate matters are to cause one of important Atmospheric components of haze weather, are strengthened recently as country to PM2.5
The monitoring and improvement of particulate matter, occur in that a variety of PM2.5 monitoring instruments successively.Conventional PM2.5 monitoring instruments press its work at present
Three classes are broadly divided into as principle：β ray methods, concussion sedimentation balance method and gravimetric method.Wherein first two method has been mainly foreign
The technology of shaping, belongs to on-line monitoring method, but due to domestic and international application environment and the difference of the scope of application, there is certain survey
Measure error.The fundamental measurement principle of gravimetric method is that the air of determined volume is extracted with constant speed, dynamics amount in air is worked as diameter
Less than 2.5 μm Atmospheric particulates, are trapped on the filter membrane of constant weight.According to the filter membrane after the quality of the filter membrane before sampling and sampling
Quality difference, calculate dynamics amount when diameter be less than 2.5 μm Atmospheric particulates concentration.
At present, the PM2.5 monitoring instruments based on gravimetric method, it is necessary to the filter after sampling after filter membrane is to particle sampling
Film carries out the transfer transport of long period, and shifts in transportation, easily causes being stained for filter membrane, it is accurate that reduction is measured
Property.
Utility model content
The purpose of this utility model is to provide a kind of PM2.5 mass concentrations standard set-up, to solve to deposit in the prior art
In transfer transportation, easily cause being stained for filter membrane, reduce the technical problem of the accuracy of measurement.
The utility model provides a kind of PM2.5 mass concentrations standard set-up, including casing, and the inside of the casing is set
Filter membrane stocking mechanism, filter membrane sampling mechanism and electronic balance after filter membrane transfer device, sampling front filter stocking mechanism, sampling；Institute
Stating sampling front filter stocking mechanism is used to store the filter membrane before sampling；The filter membrane transfer device is used to shift described before sampling
Filter membrane, and for shifting the filter membrane after sampling；The electronic balance is used to weigh to the filter membrane before sampling,
And for being weighed to the filter membrane after sampling；Filter membrane stocking mechanism is used to store described after sampling after the sampling
Filter membrane；
The filter membrane sampling mechanism, for making the filter membrane before sampling carry out the outside air of the outside of the casing
Sampling；
The inside of the casing is additionally provided with temperature-adjusting device and humidity control apparatus, and the temperature-adjusting device is used for
The temperature of the inside of the casing is adjusted, the humidity control apparatus is used for the humidity for adjusting the inside of the casing.
Further, the temperature-adjusting device includes heat-producing machine and refrigerator.
Further, the humidity control apparatus includes humidifier and dehumidifier.
Further, being internally provided with for the casing up-samples pipeline and down-sampling pipeline；Filter membrane before the sampling
Between the thief hatch of the up-sampling pipeline and the thief hatch of the down-sampling pipeline.
Further, it is provided with first pressure sensor in the up-sampling pipeline.
Further, it is provided with second pressure sensor in the down-sampling pipeline.
Further, in addition to filter membrane sampling mechanism, for making the filter membrane before sampling to the outside of the casing
Outside air is sampled.
Further, the filter membrane sampling mechanism includes filter membrane support base, and the filter membrane support base is located at the up-sampling
Between the thief hatch of the thief hatch of pipeline and the down-sampling pipeline, for supporting the filter membrane before sampling.
Further, the filter membrane transfer device includes the first motor, bearing, the second motor and filter membrane supporting rotary arm；Institute
The output shaft for stating the first motor is connected with leading screw, and the bearing is driven with the threads of lead screw, and the bearing can be along described
The length direction of leading screw moves up and down；Second motor is fixed on the bearing；The filter membrane supporting rotary arm and described the
The output shaft of two motors is fixedly connected, and the axle of the length direction of the filter membrane supporting rotary arm and the output shaft of second motor
Line is obliquely installed.
Further, in addition to the filter membrane component, for carrying the filter membrane；
The filter membrane component includes plastic stent and filter membrane support, and the filter membrane passes through the filter membrane support and the plastic stent
It is fixed.
The utility model additionally provides a kind of PM2.5 mass concentrations standard set-up, including casing, and the inside of the casing is set
Put filter membrane stocking mechanism, filter membrane sampling mechanism and electronic balance after filter membrane transfer device, sampling front filter stocking mechanism, sampling；
The sampling front filter stocking mechanism is used to store the filter membrane before sampling；The filter membrane transfer device is used to shift the filter before sampling
Film, and for shifting the filter membrane after sampling；The electronic balance is used to weigh to the filter membrane before sampling, with
And for being weighed to the filter membrane after sampling；Filter membrane stocking mechanism is used to store the filter after sampling after the sampling
Film；
The filter membrane sampling mechanism, for making the filter membrane before sampling carry out the outside air of the outside of the casing
Sampling；
The inside of the casing is additionally provided with temperature-adjusting device and humidity control apparatus, and the temperature-adjusting device is used for
The temperature of the inside of the casing is adjusted, the humidity control apparatus is used for the humidity for adjusting the inside of the casing；
The inside of the casing is additionally provided with ion blower, for entering in the electronic balance to the filter membrane after sampling
Before row is weighed, electrostatic is gone to the filter membrane after sampling.
Compared with prior art, the beneficial effects of the utility model are：
The PM2.5 mass concentration standard set-ups that the utility model is provided, can make the filter membrane before sampling and the filter after sampling
Film carries out constant weight and weighing in same casing by electronic balance；And the filter membrane sampling mechanism set makes the filter membrane pair before sampling
The sampling of outside air is also carried out in the inside of casing, so as to reduce the transfer haulage time to the filter membrane after sampling, and
And the filter membrane before by filter membrane transfer device can taking sampling from sampling front filter stocking mechanism, and transfer them to electronics day
Flat place is weighed to it, and the filter membrane before the sampling after weighing can also be transferred at filter membrane sampling mechanism by filter membrane transfer device, and
Filter membrane after sampling can also be transferred at electronic balance and be weighed；To sum up, the PM2.5 mass concentrations that the utility model is provided
Standard set-up greatly reduces transfer and transports the possibility that the filter membrane caused is stained, so as to improve the accuracy of measurement.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart for the PM2.5 mass concentration standard set-ups that the utility model embodiment one is provided；
Fig. 2 is the structural representation of filter membrane transfer device in the utility model embodiment one；
Fig. 3 is the front view of filter membrane component in the utility model embodiment one；
Fig. 4 is the top view of filter membrane component in the utility model embodiment one；
Fig. 5 is the structural representation of filter membrane sampling mechanism in the utility model embodiment one；
Fig. 6 is the structured flowchart for the PM2.5 mass concentration standard set-ups that the utility model embodiment two is provided.
In figure：100- filter membrane transfer devices；101- sampling front filter stocking mechanisms；Filter membrane stocking mechanism after 102- samplings；
103- filter membrane samplings mechanism；104- electronic balances；105- temperature-adjusting devices；106- humidity control apparatus；107- plastic stents；
108- filter membrane supports；The motors of 109- first；The motors of 110- second；111- fixed mounts；112- bearings；113- filter membrane supporting rotary arms；
114- leading screws；115- guide rods；116- forks；117- ion blowers；118- up-samples pipeline；119- down-sampling pipelines；120-
Filter membrane support base；121- displacement transducers；122- casings；123- filter membranes.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment one
Referring to shown in Fig. 1 to Fig. 5, the utility model embodiment one provides a kind of PM2.5 mass concentrations standard set-up, bag
Casing 122 is included, the inside of casing 122 sets filter membrane after filter membrane transfer device 100, sampling front filter stocking mechanism 101, sampling to store up
Deposit mechanism 102, filter membrane sampling mechanism 103 and electronic balance 104；Front filter stocking mechanism 101 of sampling is used to store before sampling
Filter membrane；Filter membrane transfer device 100 is used to shift the filter membrane before sampling, and for shifting the filter membrane after sampling；Electronic balance 104
For being weighed to the filter membrane before sampling, and for being weighed to the filter membrane after sampling；Filter membrane stocking mechanism after sampling
102 are used to store the filter membrane after sampling；Filter membrane sampling mechanism 103, for making the filter membrane before sampling to the external world of the outside of casing
Air is sampled；The inside of casing is additionally provided with temperature-adjusting device 105 and humidity control apparatus 106, temperature-adjusting device
The temperature of 105 inside for adjusting casing, humidity control apparatus 106 is used for the humidity for adjusting the inside of casing.
Specifically, filter membrane stocking mechanism 102, filter membrane sampling mechanism 103 after sampling front filter stocking mechanism 101, sampling
Set with electronic balance 104 along three side walls of casing, wherein filter membrane storage machine after sampling front filter stocking mechanism 101, sampling
Structure 102 is arranged at a side-walls of electronic balance 104；And filter membrane sampling mechanism 103 and electronic balance 104 are respectively arranged at case
Two other side-walls of body, and filter membrane sampling mechanism 103 and electronic balance 104 be oppositely arranged, i.e., two other side wall is phase
To two side walls；The middle part of the bottom surface of the casing of filter membrane transfer device 100, after so sample front filter stocking mechanism 101, sampling
Filter membrane stocking mechanism 102, filter membrane sampling mechanism 103 and electronic balance 104 are distributed around filter membrane transfer device 100.
The PM2.5 mass concentration standard set-ups that the embodiment is provided, can make the filter membrane before sampling and the filter membrane after sampling
Constant weight and weighing are carried out by electronic balance 104 in same casing；And the filter membrane sampling mechanism 103 set makes the filter before sampling
Sampling for air is also carried out film in the inside of casing to external world, so as to reduce during the transport of the transfer to the filter membrane after sampling
Between, and by filter membrane transfer device 100 can from sampling front filter stocking mechanism 101 take sampling before filter membrane, and by its
It is transferred at electronic balance 104 and it is weighed, the filter membrane before the sampling after weighing can also be transferred to filter by filter membrane transfer device 100
At film sampling mechanism 103, and the filter membrane after sampling can also be transferred at electronic balance 104 and weighed；To sum up, the implementation
PM2.5 mass concentration standard set-ups in example greatly reduce transfer and transport the possibility that the filter membrane caused is stained, so as to improve
The accuracy of measurement.
In the embodiment, PM2.5 mass concentrations standard set-up also includes control device, and temperature-adjusting device 105 includes system
Hot device and refrigerator.Refrigerator and refrigerator are electrically connected with control device respectively, and temperature-adjusting device 105 also includes TEMP
Device, temperature sensor is electrically connected with control device, by temperature sensor detect casing inside temperature, by refrigerator come
The temperature of the inside of casing is reduced, the temperature of the inside of casing is improved by heat-producing machine, so as to realize the inside for maintaining casing
Temperature stabilization；
In the embodiment, humidity control apparatus 106 includes humidifier and dehumidifier.Humidity control apparatus 106 also includes wet
Sensor is spent, humidifier, dehumidifier and humidity sensor are electrically connected with control device, and casing is detected by humidity sensor
Inside humidity, the humidity of the inside of high casing is provided by humidifier, the inside of casing is reduced by dehumidifier
Humidity, so as to realize the stabilization of the humidity of the inside of casing.
In the embodiment, the humidity that the inside of casing is capable of by temperature-adjusting device 105 and humidity control apparatus 106 is protected
Card is at 15 DEG C~30 DEG C, and continuously adjustabe, temperature-controlled precision ± 1 DEG C, humidity range is controlled in 50%RH ± 5%RH.Blank filter membrane, dirt
Film and weighing system are entirely located in this constant-temperature constant-humidity environment.Therefore, blank filter membrane and dirt film ensure that under identical environment
Carry out constant weight, while balance also ensure that identical environment lower-weighing so that reduce to greatest extent due to environmental difference to
Measure the error brought.It should be noted that in the embodiment, blank filter membrane is the filter membrane before sampling, dirt film is sampling
Filter membrane afterwards.
In the embodiment, the inside of casing is additionally provided with the pressure that the 3rd pressure sensor is used to detect the inside of casing.
In the embodiment, being internally provided with for casing up-samples pipeline 118 and down-sampling pipeline 119；Filter membrane before sampling
Between the thief hatch of up-sampling pipeline 118 and the thief hatch of down-sampling pipeline 119；The is provided with up-sampling pipeline 118
One pressure sensor；Second pressure sensor is provided with down-sampling pipeline 119.First pressure sensor and second pressure sensing
Device is electrically connected with control device respectively；When thief hatch and down-sampling pipeline that front filter of sampling is installed on to up-sampling pipeline 118
After between 119 thief hatch, pressure difference is detected by first pressure sensor and second pressure sensor, it can be determined that filter membrane
Whether complete, whether air-tightness meets the requirements.
In the embodiment, filter membrane sampling mechanism 103 includes filter membrane support base 120, and filter membrane support base 120 is located at up-sampling and managed
Between the thief hatch on road 118 and the thief hatch of down-sampling pipeline 119, for supporting the filter membrane before sampling.Specifically, filter membrane is adopted
Model machine structure 103 also includes upper motion and lower motion, and upper motion is used to move downwardly to up-sampling pipeline 118
At filter membrane support base 120, lower motion is used to make down-sampling pipeline 119 move upward at filter membrane support base 120, upper motion
Mechanism and lower motion include stepper motor, screw mandrel and sliding block；Stepper motor drives screw mandrel to rotate, sliding block and wire rod thread
Transmission, so sliding can move along the length direction of screw mandrel, pass through the move distance of the accurate control slide block of stepper motor；Upper fortune
Sliding block in motivation structure is fixedly connected with up-sampling the mouth of pipe folder of pipeline 118, and slide block movement drives the mouth of pipe of up-sampling pipeline 118
Folder motion；Sliding block in lower motion is fixedly connected with the mouth of pipe folder of down-sampling pipeline 119, and slide block movement drives down-sampling pipe
The mouth of pipe folder motion on road 119；Connect so as to which the thief hatch for realizing up-sampling pipeline 118 is relative with the thief hatch of down-sampling pipeline 119,
And filter membrane support base 120 and filter membrane is located between the thief hatch of up-sampling pipeline 118 and the thief hatch of down-sampling pipeline 119.
Referring to shown in Fig. 3 and Fig. 4, shown in wherein Fig. 3 and Fig. 4, filter membrane has been installed on filter membrane component；The implementation
In example, PM2.5 mass concentrations standard set-up also includes filter membrane component, for carrying filter membrane；Filter membrane component includes plastic stent 107
With filter membrane support 108, filter membrane 123 is fixed by filter membrane support 108 and plastic stent 107.Specifically, the weight of filter membrane component
And the weight sum of filter membrane is 4.5g~5.2g；Hole is equipped with filter holder, to mitigate weight；Filter membrane uses whatman companies
TeFlon filter membranes or staplex high-purity quartz filter membranes；Plastic stent 107 and filter membrane support 108 are in a ring；Filter membrane support 108
Be circumferentially provided with neck, the interior ring edge of plastic stent 107 is snap-fited into the neck of filter membrane support 108；During specifically used, filter
Film is covered in filter membrane support 108, and in the neck that filter membrane support 108 is snap-fited into by the interior ring edge of plastic stent 107, filter membrane is consolidated
It is fixed.Filter membrane is carried with filter membrane component in the process and the process weighed of sampling, when that is to say sampling, filter membrane is fixed on
In filter membrane component, in weighing process, filter membrane and filter membrane component are weighed.
In the embodiment, filter membrane transfer device 100 includes the first motor 109, bearing 112, the second motor 110 and filter membrane branch
Support pivoted arm 113；The output shaft of first motor 109 is connected with leading screw 114, bearing 112 and the screw-driven of leading screw 114, and bearing 112
It can be moved up and down along the length direction of leading screw 114；Second motor 110 is fixed on bearing 112；Filter membrane supporting rotary arm 113 with
The output shaft of second motor 110 is fixedly connected, and the output shaft of the length direction of filter membrane supporting rotary arm 113 and the second motor 110
Axis be obliquely installed.
Specifically, filter membrane transfer device 100 also includes fixed mount 111, and the casing of the first motor 109 is fixed on fixed mount
On 111, the first motor 109 and the second motor 110 are stepper motor；The length direction of filter membrane supporting rotary arm 113 and the second electricity
Angle between the axis of the output shaft of machine 110 is 90 degree, during the output shaft rotation of such second motor 110, and filter membrane support turns
Arm 113 is rotated in the horizontal plane；Displacement transducer 121 is set on bearing 112, for detecting the displacement that bearing 112 moves up and down；
Filter membrane supporting rotary arm 113 has fork 116, and during use, fork 116 supports plastic stent 107, so whole filter membrane group
Part is just as filter membrane supporting rotary arm 113 is rotated, that is to say, that plastic stent is located at the top of fork, and whole fork holds up filter membrane
Component.Guide rod 115 is additionally provided with fixed mount 111, guide rod 115 is located on bearing 112, such bearing 112 is above and below
During motion, bearing 112 just will not send out the axis rotation around leading screw 114.Displacement transducer 121 is linear displacement transducer.
Filter membrane support base 120 is provided with the first photoelectric sensor, for detecting that the fork 116 of filter membrane supporting rotary arm 113 is
It is no to rotate in place；Sampling front filter stocking mechanism 101 is provided with the second photoelectric sensor, for detecting filter membrane supporting rotary arm 113
Fork 116 whether rotate in place, filter membrane stocking mechanism 102 is provided with the 3rd photoelectric sensor after sampling, for detecting filter membrane
Whether the fork 116 of supporting rotary arm 113 rotate in place；The 4th photoelectric sensor is provided with electronic balance 104, for detecting filter
Whether the fork 116 of film supporting rotary arm 113 rotate in place；In the embodiment, filtered after sampling front filter stocking mechanism 101 and sampling
During film stocking mechanism 102 is existing technology, embodiment, do not make improvements, therefore its concrete structure is no longer specific
Illustrate.
In the embodiment, the operation principle of PM2.5 mass concentration standard set-ups is：
Membrane process is taken at sampling front filter stocking mechanism 101：The output of second motor 110 of filter membrane transfer device 100
Axle is rotated, and rotates filter membrane support arm, and detects whether filter membrane support arm rotate in place by the second photoelectric sensor, works as filter membrane
After support arm rotate in place, the second motor 110 is stopped, and the output shaft rotation of the first motor 109 rotates leading screw 114, silk
Thick stick 114, which is rotated, makes the motion upwards of bearing 112, and detects whether the fork 116 of filter membrane support arm rises by displacement transducer 121
To sampling front filter stocking mechanism 101 take at film and take film success.
Filter membrane support arm is taken after film success, and motion is set after distance filter membrane support arm upwards again, turns to electronic balance 104
Top, then filter membrane support arm is moved downward, and the filter membrane and filter membrane component before sampling are positioned at electronic balance 104,
Then after the filter membrane and filter membrane component before 104 pairs of samplings of electronic balance are weighed together；After weighing, in the repetition of filter membrane support arm
Rise and rotary motion, the filter membrane and filter membrane component before sampling be positioned on the filter membrane support base 120 of filter membrane sampling mechanism 103,
Then the thief hatch of the thief hatch and down-sampling pipeline 119 of up-sampling pipeline 118 is mutually closed, and the filter membrane before sampling is just proceeded by
Sampling；After when sampling 24 is small, the filter membrane and filter membrane component after sampling are transferred to electronic balance 104 by filter membrane transfer device 100
Place, weighs after being sampled, is the PM2.5 particulate matter qualities of sampling by the difference calculated after weighing.Need explanation
, PM10 cutters and PM2.5 cutters are additionally provided with up-sampling pipeline 118, ambient atmosphere first passes through PM10 cuttings
Device passes through PM2.5 cutters again, then the filter membrane before flow direction sampling.
Embodiment two
During PM2.5 mass concentration standard set-ups in the present embodiment are the improvement on the basis of embodiment one, embodiment one
Disclosed technology contents not repeated description, the disclosure of embodiment one falls within the present embodiment disclosure.
Shown in Figure 6, in the embodiment, the inside of casing is additionally provided with ion blower 117, in electronic balance
Before filter membrane after 104 pairs of samplings is weighed, electrostatic is gone to the filter membrane after sampling, to eliminate the influence that electrostatic is weighed to filter membrane.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.Although in addition, it will be appreciated by those of skill in the art that some implementations described herein
Example includes some features rather than further feature included by other embodiments, but the combination of the feature of be the same as Example is not anticipated
Taste within the scope of the utility model and forms different embodiments.For example, in the following claims, institute
The one of any of claimed embodiment mode can use in any combination.
Claims (10)
1. a kind of PM2.5 mass concentrations standard set-up, it is characterised in that including casing, the inside of the casing sets filter membrane to turn
Filter membrane stocking mechanism, filter membrane sampling mechanism and electronic balance after telephone-moving structure, sampling front filter stocking mechanism, sampling；The sampling
Front filter stocking mechanism is used to store the filter membrane before sampling；The filter membrane transfer device is used to shift the filter membrane before sampling,
And for shifting the filter membrane after sampling；The electronic balance is used to weigh to the filter membrane before sampling, and
For being weighed to the filter membrane after sampling；Filter membrane stocking mechanism is used to store the filter after sampling after the sampling
Film；
The filter membrane sampling mechanism, for making the filter membrane before sampling adopt the outside air of the outside of the casing
Sample；
The inside of the casing is additionally provided with temperature-adjusting device and humidity control apparatus, and the temperature-adjusting device is used to adjust
The temperature of the inside of the casing, the humidity control apparatus is used for the humidity for adjusting the inside of the casing.
2. PM2.5 mass concentrations standard set-up according to claim 1, it is characterised in that the temperature-adjusting device bag
Include heat-producing machine and refrigerator.
3. PM2.5 mass concentrations standard set-up according to claim 1, it is characterised in that the humidity control apparatus bag
Include humidifier and dehumidifier.
4. the PM2.5 mass concentration standard set-ups according to any one of claim 1-3, it is characterised in that the casing
Be internally provided with up-sampling pipeline and down-sampling pipeline；Filter membrane before the sampling is located at the thief hatch of the up-sampling pipeline
Between the thief hatch of the down-sampling pipeline.
5. PM2.5 mass concentrations standard set-up according to claim 4, it is characterised in that set in the up-sampling pipeline
It is equipped with first pressure sensor.
6. PM2.5 mass concentrations standard set-up according to claim 4, it is characterised in that set in the down-sampling pipeline
It is equipped with second pressure sensor.
7. PM2.5 mass concentrations standard set-up according to claim 6, it is characterised in that filter membrane sampling mechanism bag
Filter membrane support base is included, the filter membrane support base is located at the thief hatch of the thief hatch and the down-sampling pipeline of the up-sampling pipeline
Between, for supporting the filter membrane before sampling.
8. the PM2.5 mass concentration standard set-ups according to any one of claim 1-3, it is characterised in that the filter membrane
Transfer device includes the first motor, bearing, the second motor and filter membrane supporting rotary arm；The output shaft of first motor is connected with silk
Thick stick, the bearing is driven with the threads of lead screw, and the bearing can move up and down along the length direction of the leading screw；It is described
Second motor is fixed on the bearing；The filter membrane supporting rotary arm is fixedly connected with the output shaft of second motor, and institute
The axis for stating the length direction and the output shaft of second motor of filter membrane supporting rotary arm is obliquely installed.
9. the PM2.5 mass concentration standard set-ups according to any one of claim 1-3, it is characterised in that also including filter
Membrane module, for carrying the filter membrane；
The filter membrane component includes plastic stent and filter membrane support, and the filter membrane is engaged by the filter membrane support and the plastic stent
It is fixed.
10. a kind of PM2.5 mass concentrations standard set-up, it is characterised in that including casing, the inside of the casing sets filter membrane to turn
Filter membrane stocking mechanism, filter membrane sampling mechanism and electronic balance after telephone-moving structure, sampling front filter stocking mechanism, sampling；The sampling
Front filter stocking mechanism is used to store the filter membrane before sampling；The filter membrane transfer device is used to shift the filter membrane before sampling, and
For shifting the filter membrane after sampling；The electronic balance is used to weigh to the filter membrane before sampling, and is used for
The filter membrane after sampling is weighed；Filter membrane stocking mechanism is used to store the filter membrane after sampling after the sampling；
The filter membrane sampling mechanism, for making the filter membrane before sampling adopt the outside air of the outside of the casing
Sample；
The inside of the casing is additionally provided with temperature-adjusting device and humidity control apparatus, and the temperature-adjusting device is used to adjust
The temperature of the inside of the casing, the humidity control apparatus is used for the humidity for adjusting the inside of the casing；
The inside of the casing is additionally provided with ion blower, for claiming in the electronic balance to the filter membrane after sampling
Before weight, electrostatic is gone to the filter membrane after sampling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621463146.0U CN206470147U (en) | 2016-12-28 | 2016-12-28 | PM2.5 mass concentration standard set-ups |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621463146.0U CN206470147U (en) | 2016-12-28 | 2016-12-28 | PM2.5 mass concentration standard set-ups |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844869A (en) * | 2018-06-06 | 2018-11-20 | 山西省环境科学研究院 | A kind of flue dust on-line sampling and weighing device and method |
| CN108956359A (en) * | 2018-07-17 | 2018-12-07 | 沧州海固安全防护科技有限公司 | A kind of dust discharge weight testing method |
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2016
- 2016-12-28 CN CN201621463146.0U patent/CN206470147U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844869A (en) * | 2018-06-06 | 2018-11-20 | 山西省环境科学研究院 | A kind of flue dust on-line sampling and weighing device and method |
| CN108844869B (en) * | 2018-06-06 | 2024-04-12 | 山西省生态环境监测和应急保障中心(山西省生态环境科学研究院) | Online smoke dust sampling and weighing device and method |
| CN108956359A (en) * | 2018-07-17 | 2018-12-07 | 沧州海固安全防护科技有限公司 | A kind of dust discharge weight testing method |
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