CN101886988B - Tri-channel atmosphere particulate matter sampler - Google Patents
Tri-channel atmosphere particulate matter sampler Download PDFInfo
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- CN101886988B CN101886988B CN2010102083496A CN201010208349A CN101886988B CN 101886988 B CN101886988 B CN 101886988B CN 2010102083496 A CN2010102083496 A CN 2010102083496A CN 201010208349 A CN201010208349 A CN 201010208349A CN 101886988 B CN101886988 B CN 101886988B
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- flowmeter
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- vacuum pump
- circuit board
- sampling head
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Abstract
The invention discloses a tri-channel atmosphere particulate matter sampler, which comprises a sampling bracket, a control cabinet, a control panel, rubber tubes and a base, wherein the sampling bracket is composed of a vertical bar, a horizontal bar and a sampling head; the horizontal bar is a radial shape and is hinged with the vertical bar; the sampling head is arranged on the horizontal bar; the control cabinet is composed of a vacuum pump, a flowmeter and a circuit board which are arranged in the control cabinet; an air suction port of the vacuum pump is provided with a shunt; the flowmeter is provided with a sensor; the control panel is arranged on the external surface of the control cabinet; the base is a rectangular frame and the bottom part of the base is provided with a roller wheel; the bottom end of the vertical bar of the sampling bracket is fixed on the top of the control cabinet; the control cabinet is fixed on the base; and the rubber tubes are respectively arranged between the sampling head and the inlet of the flowmeter and between the outlet of the flowmeter and the shunt. The invention has the characteristics of large collecting flow and capability of collecting atmosphere suspended matter with different particulate grades at the same time, and has simple structure, and convenient carrying and use.
Description
Technical field
The present invention relates to atmospheric environment science, environmental monitoring technology field, a kind of tri-channel atmosphere particulate matter sampler of especially gathering suspended particulate substance in the atmosphere, carrying out atmosphere environment supervision.
Background technology
By the difference of field of employment, existing atmosphere particulate matter sampler can be divided into environment sampling thief, indoor sampling thief and pollution source sampling thief, in addition, also has specific use to gather the sampling thief of gas and particulate matter simultaneously.The atmosphere particulate matter sampler of prior art generally is made up of sampling head, flowmeter and power system three parts of bleeding.Can be divided into by the type of service difference: a) portable mono, binary channels atmosphere particulate matter sampler; B) big or middle flow atmosphere particulate matter sampler; C) Atmospheric particulates multistage sampling device.In many models and various types of atmosphere particulate matter sampler, part all comes with some shortcomings: a) sampling flow is little, sample size is few for type, is not suitable for the defective in the intensive regional sampling near surface of personnel; Type b) big, the Heavy Weight of volume is unfavorable for carrying and carrying, and sampling head can not go up and down, and can't regulate height of sampling; Type c) when multistage impacting type cutter is gathered the atmosphere suspended particle of size fractionated simultaneously,, can't accomplish the aerosol of in a sampling head, gathering the size fractionated that comprises TSP simultaneously owing to receive the influence that particle suspends again.
Summary of the invention
A kind of tri-channel atmosphere particulate matter sampler that the objective of the invention is to be directed against the deficiency of prior art and provide; This sampling thief gather flow big, can gather the aerosol of size fractionated simultaneously; And the sampling head adjustable height, have simple in structure, be easy to carry, advantage easy to use.
The concrete technical scheme that realizes the object of the invention is:
A kind of tri-channel atmosphere particulate matter sampler, its characteristics comprise sampling support, control box, control panel, sebific duct and base, and said sampling support is made up of montant, horizon bar and sampling head; Horizon bar is the top that three, one of which end are articulated in montant radially; Sampling head is located at the other end of horizon bar, and control box is taken into account circuit board group by vacuum pump, flow, and vacuum pump, flow are taken into account circuit board and all be located in the control box; The air entry of vacuum pump is provided with shunt; Flowmeter is provided with sensor, and control panel is located on the outside surface of control box, and base is that rectangular frame, its bottom are provided with roller; The montant bottom of said sampling support is fixed on the case top of control box, and control box is fixed on the base, and sebific duct is located between sampling head and flowmeter inlet and flowmeter outlet and the shunt;
Described control panel is provided with voltage table, reometer, counter, flowmeter, power switch, run switch and time switch; Said voltage table, reometer are connected with circuit board; Power switch, run switch and time switch are connected with vacuum pump through circuit board; Flowmeter is connected with the sensor of flowmeter through circuit board, and counter is connected with time switch;
The gas outlet of described vacuum pump is provided with exhaust box; Described montant is socketed to form by pipe fitting; Described circuit board is provided with earth leakage protective device.
The present invention have gather flow big, can gather the aerosol of size fractionated simultaneously, have simple in structure, be easy to carry, characteristics easy to use.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is a user mode synoptic diagram of the present invention
Embodiment
Consult Fig. 1, Fig. 2, the present invention includes sampling support 1, control box 2, control panel 3, sebific duct 4 and base 5, said sampling support 1 is made up of montant 11, horizon bar 12 and sampling head 13; Horizon bar 12 is the top that three, one of which end are articulated in montant 11 radially; Sampling head 13 is located at the other end of horizon bar 12, and control box 2 is made up of vacuum pump 21, flowmeter 22 and circuit board 25, and vacuum pump 21, flowmeter 22 and circuit board 25 all are located in the control box 2; The air entry of vacuum pump 21 is provided with shunt 24; Flowmeter 22 is provided with sensor 23, and control panel 3 is located on the outside surface of control box 2, and base 5 is provided with roller 51 for rectangular frame, its bottom; Montant 11 bottoms of said sampling support 1 are fixed on the case top of control box 2, and control box 2 is fixed on the base 5, and sebific duct 4 is located between sampling head 13 and flowmeter 22 inlets and flowmeter 22 outlets and the shunt 24.
Described control panel 3 is provided with voltage table 31, reometer 32, counter 33, flowmeter 34, power switch 35, run switch 36 and time switch 37; Said voltage table 31, reometer 32 are connected with circuit board 25; Power switch 35, run switch 36 and time switch 37 are connected with vacuum pump 21 through circuit board 25; Flowmeter 34 is connected with the sensor 23 of flowmeter 22 through circuit board 25, and counter 33 is connected with time switch 37.
The gas outlet of described vacuum pump 21 is provided with exhaust box 26; Described montant 11 is socketed to form by pipe fitting; Described circuit board 25 is provided with earth leakage protective device 27.
The present invention uses like this:
Consult Fig. 1, on the horizon bar 12 of sampling support 1, be provided with as: overall suspended pellet (TSP), particle diameter are less than 10 micron particles thing (PM
10), particle diameter is less than 2.5 micron particles thing (PM
2.5) sampling head 13 of impacting type cutter of size fractionated, each horizon bar 12 sets up separately with 120 ° of angles, and between sampling head 13 and corresponding flow meter 22 inlets, is connected sebific duct 4 respectively; Turn on the power switch 35 energized; Open run switch 36, make vacuum pump 21 work through circuit board 25, vacuum pump 21 begins to bleed; The negative-pressure gas of vacuum pump 21 passes through shunt 24, flowmeter 22 through sebific duct 4 to sampling head 13; Atmosphere around the sampling head 13 and suspended particulate substance are under the effect of suction, and TSP (overall suspended pellet) is directly caught PM through sampling head by filter membrane
10(particle diameter is less than 10 micron particles things), PM
2.5After (particle diameter is less than 2.5 micron particles things) separation through sampling head 13 impacting type cutters, fine particle is caught by filter membrane.Through sampling after a while, take out filter membrane and promptly obtain sample.
Timing controlled: open time switch 37, both can be set the on time and the unused time of time switch 37 to the control of realization of the present invention time; Arrive the unused time, power switch 35, run switch 36 are closed voluntarily, obtain sampling and last, but counter 33 recorded streams are through the air volume of each sampling head 13, for sample report provides data.
The present invention can be through flowmeter 22 each channel gas flow of control; The gas outlet of vacuum pump 21 is provided with exhaust box 26, is used to reduce the noise of complete machine; Heat emission fan is equipped with at the top of vacuum pump 21, is beneficial to heat radiation; Circuit board 25 is provided with earth leakage protective device 27, can prevent that electric leakage from getting an electric shock, assurance safety.
Consult Fig. 2, montant 11 is socketed to form by pipe fitting, through regulating the height of montant 11 scalable sampling heads 13;
Technical parameter of the present invention:
Vacuum pump: JSZ100-A type, volume flow 100L/min, final vacuum-0.088MPa, noise≤40 decibel
Sampling head flow: 420L/h~600L/h
Sampling head is suitable for filter membrane: the 50mm miillpore filter
Can be equipped with cutter type: impacting type
Gather the particle level: overall suspended pellet (TSP), particle diameter are less than 10 micron particles thing (PM
10), particle diameter is less than 2.5 micron particles thing (PM
2.5)
TSP、PM10、PM2.5
The minimum continuous sampling time: 48 hours
Power supply: interchange, 220V, 50Hz
Power: 500W
Time switch: DH48J series presets the counting number relay
Weight: about 100kg
Cabinet material: stainless steel
Height of sampling: 1.2~2m, scalable
The present invention also can install other sampling head, unites use with other sampling thief; Sampling support manually folding, the sampling head height is easy to adjust, is easy to carry and installs; The bottom of base is provided with roller, is convenient to closely move.
Claims (3)
1. tri-channel atmosphere particulate matter sampler; It is characterized in that it comprises sampling support (1), control box (2), control panel (3), sebific duct (4) and base (5); Said sampling support (1) is made up of montant (11), horizon bar (12) and sampling head (13); Montant (11) is socketed to form by pipe fitting, horizon bar (12) be an end of three, every be articulated in montant (11) the top radially, sampling head (13) for the impacting type cutter sampling head of size fractionated, be located at the other end of horizon bar (12); Control box (2) is made up of vacuum pump (21), flowmeter (22) and circuit board (25); Vacuum pump (21), flowmeter (22) and circuit board (25) all are located in the control box (2); The air entry of vacuum pump (21) is provided with shunt (24), and flowmeter (22) is provided with sensor (23); Control panel (3) is located on the outside surface of control box (2); Base (5) is that rectangular frame, its bottom are provided with roller (51); Control box (2) top is fixed in montant (11) bottom of sampling support (1), and control box (2) is fixed on the base (5), and sebific duct (4) is located at respectively between sampling head (13) and flowmeter (22) inlet and flowmeter (22) outlet and the shunt (24); Said control panel (3) is provided with voltage table (31), reometer (32), counter (33), flowmeter (34), power switch (35), run switch (36) and time switch (37); Voltage table (31), reometer (32) are connected with circuit board (25); Power switch (35), run switch (36) and time switch (37) are connected with vacuum pump (21) through circuit board (25); Flowmeter (34) is connected with the sensor (23) of flowmeter (22) through circuit board (25), and counter (33) is connected with time switch (37).
2. tri-channel atmosphere particulate matter sampler according to claim 1 is characterized in that the gas outlet of vacuum pump (21) is provided with exhaust box (26).
3. tri-channel atmosphere particulate matter sampler according to claim 1 is characterized in that circuit board (25) is provided with earth leakage protective device (27).
Priority Applications (1)
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CN2010102083496A CN101886988B (en) | 2010-06-24 | 2010-06-24 | Tri-channel atmosphere particulate matter sampler |
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CN2010102083496A CN101886988B (en) | 2010-06-24 | 2010-06-24 | Tri-channel atmosphere particulate matter sampler |
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CN101886988A CN101886988A (en) | 2010-11-17 |
CN101886988B true CN101886988B (en) | 2012-03-07 |
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CN2010102083496A Expired - Fee Related CN101886988B (en) | 2010-06-24 | 2010-06-24 | Tri-channel atmosphere particulate matter sampler |
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Families Citing this family (11)
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CN102445366B (en) * | 2011-10-11 | 2013-06-19 | 山东大学 | Semi-automatic continuous single particle sampling device |
CN102818905B (en) * | 2012-09-11 | 2014-04-16 | 河北先河环保科技股份有限公司 | Automatic two-channel atmospheric particulate monitoring device |
CN104568520A (en) * | 2014-12-30 | 2015-04-29 | 青岛恒远科技发展有限公司 | Portable sampling device for pollution source dilution tunnel particles |
CN105928731A (en) * | 2016-04-29 | 2016-09-07 | 北京倍肯恒业科技发展股份有限公司 | Aseptic multi-point sampling apparatus |
CN107588992A (en) * | 2016-07-07 | 2018-01-16 | 天津双允环保科技有限公司 | One kind is improved to wait Powered Air sampling head device |
CN106370481B (en) * | 2016-10-24 | 2023-07-18 | 张家港朗亿机电设备有限公司 | Remote filter membrane automatic sampling device and dust concentration monitoring method thereof |
CN106680427A (en) * | 2016-12-05 | 2017-05-17 | 浙江海洋大学 | Oil/gas leakage alarming/prewarning system design |
CN107101920B (en) * | 2017-05-08 | 2019-12-03 | 西南科技大学 | Ambient air particulate matter monitoring method in closed type domestic animal house |
CN108444772A (en) * | 2018-03-29 | 2018-08-24 | 中国环境科学研究院 | The miniature cutting head of atmospheric sampling |
CN109060460A (en) * | 2018-06-28 | 2018-12-21 | 陈键 | A kind of sampling collection device for dust pollution monitoring |
CN110160842B (en) * | 2019-06-14 | 2021-11-30 | 重庆渝佳环境影响评价有限公司 | Atmospheric sampling detector |
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Publication number | Priority date | Publication date | Assignee | Title |
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US20070068284A1 (en) * | 2005-09-26 | 2007-03-29 | Alonso Castro | Airborne sampler array |
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2010
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