CN205138963U - Virtual impinger and gas circuit system thereof - Google Patents

Virtual impinger and gas circuit system thereof Download PDF

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Publication number
CN205138963U
CN205138963U CN201520850046.2U CN201520850046U CN205138963U CN 205138963 U CN205138963 U CN 205138963U CN 201520850046 U CN201520850046 U CN 201520850046U CN 205138963 U CN205138963 U CN 205138963U
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China
Prior art keywords
gas circuit
solenoid valve
main gas
nozzle pipe
main
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CN201520850046.2U
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Chinese (zh)
Inventor
邓楠
孙雷
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Con M De Runda (wuxi) Measuring Technology Co Ltd
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Con M De Runda (wuxi) Measuring Technology Co Ltd
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Abstract

The utility model provides a virtual impinger and gas circuit system thereof, including main gas circuit, gas circuit, main gas circuit and main gas circuit are given vent to anger the blast tube and are connected, are connected with thick effect filter, first solenoid valve in the main gas circuit, gas circuit divide into first gas circuit, a second gas circuit, and first, a second gas circuit is given vent to anger blast tube, main gas circuit with a gas circuit respectively and is given vent to anger the blast tube and is connected, and two are propped up gas circuits and pass and be connected with second binary channels solenoid valve, photometer, air cleaner, second solenoid valve behind the first binary channels solenoid valve jointly, the output of gas circuit and main gas circuit is connected with flowmeter, aspirator pump, slightly imitates the filter, second binary channels solenoid valve still is connected with air cleaner, effectively separating less than or equal to PM2.5 and being greater than PM2.5 to less than or equal to PM10 particulate matter, binary channels solenoid valve and two gas circuits form 2 solitary conversion gas circuits, and the realization photometer adopts the humidity offset technique to the detection of PM2.5 and PM10 particulate matter, guarantees that detecting element's measured value is more accurate.

Description

A kind of virtual impact device and air-channel system thereof
Technical field
The utility model relates generally to atmospheric environment science, environmental monitoring technology field, particularly relates to a kind of virtual impact device and air-channel system thereof.
Background technology
Virtual impact device is installed on enclosure top and connects air intake duct, virtual inertia is clashed into sampling thief and is made up of two coaxial up and down nozzles, top nozzle is accelerating jet, and lower nozzle is for closing up, accelerated after air-flow enters nozzle, then air-flow is at a high speed divided into two, wherein a part of air-flow, accounts for 90% of total air flow, and 90 ° of break-ins occur, enter next stage, this fraction is called main flow; Another part air-flow, accounts for 10% of total air flow, directly enters closing in, and this fraction is called time stream. the particle that particle diameter is little, and inertia is little, easily follows air-flow and moves together; And the large particle inertia of particle diameter is large, easily depart from break-in air-flow, therefore, the particle that particle diameter is little in virtual impact sampling thief is divided into two along with air-flow, and major part enters next stage with main flow, and fraction flows to into closing in secondary; And the large particle of particle diameter departs from main flow because inertia can not be inhaled into main road, flow to into closing in secondary, therefore enter only having of main gas circuit less and lighter≤PM2.5 particle, what enter a gas circuit is larger PM2.5 to PM10 particle.
Utility model content
The utility model provides a kind of virtual impact device and air-channel system thereof, can realize for being less than or equal to PM2.5 and being greater than PM2.5 and being separated to being less than or equal to the effective of PM10 particle, in order to achieve the above object, the utility model is by the following technical solutions: the utility model comprises virtual impact device 1, main gas circuit 15, prop up gas circuit 16, described gas circuit 16 is the passage gas circuit of PM2.5-10, described main gas circuit 15 is for being not more than the passage gas circuit of the particle of PM2.5, described virtual impact device 1 comprises: top air inlet part 3, bottom outlet gas part 6, described top air inlet part 3 is provided with nozzle of air supply pipe 2,
Described bottom outlet gas part 6 is provided with: main gas circuit outgassing nozzle pipe 8, a gas circuit outgassing nozzle pipe 9;
Described main gas circuit 15 is connected with described main gas circuit outgassing nozzle pipe 8, described main gas circuit 15 is also connected with low efficient filter 12, first solenoid valve 17 in turn;
Described gas circuit 16 is divided into first gas circuit, 161, second gas circuit 162 two gas circuit, described first gas circuit 161 is connected with described gas circuit outgassing nozzle pipe 9, described second gas circuit 162 is connected with main gas circuit outgassing nozzle pipe 8, described first gas circuit 161, second gas circuit 162 is connected with the first double-channel solenoid valve 11 simultaneously
Described gas circuit 16 is also connected with the second double-channel solenoid valve 18, photometer 10, air strainer 20, second solenoid valve 19 in turn;
The output terminal of described gas circuit 16 is connected with the output terminal of main gas circuit 15, and is connected with flowmeter 13, asepwirator pump 14, low efficient filter 12 in turn;
Described second double-channel solenoid valve 18 is also connected with air strainer 20 preferably, and described top air inlet part 3 is fixed by nut with described bottom outlet gas part 6, is also lined with O type circle 5 between described top air inlet part 3 and described bottom outlet gas part 6.
Preferably, described main gas circuit outgassing nozzle pipe 8 is respectively arranged with screen pack 4 with the upper pipe end place of described gas circuit outgassing nozzle pipe 9, and to be nested with the lower pipe end of described gas circuit outgassing nozzle pipe 9 at main gas circuit outgassing nozzle pipe 8 and to seal rainproof pad 7.
Preferably, described photometer 10 is connected with temperature control equipment, overheat protector.
The beneficial effects of the utility model: the utility model is by being less than or equal to PM2.5 by using virtual impact device and arranging main gas circuit and air mass flow realization corresponding to gas circuit and being greater than PM2.5 and being separated to being less than or equal to the effective of PM10 particle, and form 2 independent solenoid valves by double-channel solenoid valve and first gas circuit, second gas circuit and change gas circuit, realize the detection of photometer to PM2.5 and PM10 particle, adopt humidity compensate technology, ensure that the measured value of detecting unit is more accurate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model virtual impact device;
Fig. 3 is the partial schematic diagram of the utility model virtual impact device bottom outlet gas part;
Fig. 4 is the simple and easy flow graph of the utility model inner air path;
Fig. 5 is the partial schematic diagram of the cut-open view of nozzle of air supply pipe in the utility model;
Fig. 6 is the partial schematic diagram of the cut-open view of a gas circuit outgassing nozzle pipe 9 in the utility model;
Fig. 7 is the vertical view sealing rainproof pad in the utility model;
In figure, 1, virtual impact device; 2, nozzle of air supply pipe; 3, top air inlet part; 4, screen pack;
5, O type circle; 6, bottom outlet gas part; 7, rainproof pad is sealed; 8, main gas circuit outgassing nozzle pipe;
9, gas circuit outgassing nozzle pipe is propped up; 10, photometer; 11, the first double-channel solenoid valve; 12, low efficient filter; 13, flowmeter;
14, asepwirator pump; 15, main gas circuit; 16, gas circuit is propped up, 161, first gas circuit, 162, second gas circuit; 17, the first solenoid valve; 18, the second double-channel solenoid valve; 19, the second solenoid valve; 20, air strainer.
Embodiment
Shown in Fig. 1, Fig. 2, the utility model comprises virtual impact device 1, main gas circuit 15, a gas circuit 16, described gas circuit 16 is the passage gas circuit of PM2.5-10, described main gas circuit 15 is for being not more than the passage gas circuit of the particle of PM2.5, described virtual impact device 1 comprises: top air inlet part 3, bottom outlet gas part 6, described top air inlet part 3 is provided with nozzle of air supply pipe 2, and described nozzle of air supply pipe 2 as shown in Figure 5;
Known as shown in Figure 3, described bottom outlet gas part 6 is provided with: main gas circuit outgassing nozzle pipe 8, a gas circuit outgassing nozzle pipe 9, and described gas circuit outgassing nozzle pipe 9 as shown in Figure 6;
Described main gas circuit 15 is connected with described main gas circuit outgassing nozzle pipe 8, described main gas circuit 15 is connected with filter core 12, first solenoid valve 17 in turn;
Described gas circuit 16 is divided into first gas circuit, 161, second gas circuit 162 two gas circuit, described first gas circuit 161 is connected with described gas circuit outgassing nozzle pipe 9, described second gas circuit 162 is connected with main gas circuit outgassing nozzle pipe 8, described first gas circuit 161, second gas circuit 162 is connected with the first double-channel solenoid valve 11 simultaneously
Described gas circuit 16 is also connected with the second double-channel solenoid valve 18, photometer 10, air strainer 20, second solenoid valve 19 in turn;
The output terminal of described gas circuit 16 is connected with the output terminal of main gas circuit 15, and is connected with flowmeter 13, asepwirator pump 14, low efficient filter 12 in turn;
Described second double-channel solenoid valve 18 is also connected with air strainer 20.
Preferably, described top air inlet part 3 is fixed by nut with described bottom outlet gas part 6, is also lined with O type circle 5 between described top air inlet part 3 and described bottom outlet gas part 6.
Preferably, described main gas circuit outgassing nozzle pipe 8 is respectively arranged with screen pack 4 with the upper pipe end place of described gas circuit outgassing nozzle pipe 9, and to be nested with the lower pipe end of described gas circuit outgassing nozzle pipe 9 at main gas circuit outgassing nozzle pipe 8 and to seal rainproof pad 7, the rainproof pad 7 of described sealing as shown in Figure 7.
Preferably; described photometer 10 and temperature control equipment; described photometer 10 is installed in a heat-insulating box body to eliminate the dependence of detecting unit signal to temperature; and by can carrying out heating and make temperature control 40 degrees Celsius by heated aluminum block; and overheat protector is equipped with; and adopt humidity compensate algorithm, avoid, owing to absorbing detecting unit measurement result that moisture causes when aerosol particle thing is heated a little more than truly, making the measurement of detecting unit more accurate.
Above-described embodiment is the principle of illustrative present patent application and effect thereof only, but not for limiting present patent application.Any person skilled in the art scholar all under the spirit and category of present patent application, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that present patent application discloses, the claim must asked by this patent contained.

Claims (4)

1. a virtual impact device and air-channel system thereof, comprise virtual impact device (1), main gas circuit (15), a gas circuit (16), it is characterized in that: described virtual impact device (1) comprising: top air inlet part (3), bottom outlet gas part (6), described top air inlet part (3) is provided with nozzle of air supply pipe (2);
Described bottom outlet gas part (6) is provided with: main gas circuit outgassing nozzle pipe (8), a gas circuit outgassing nozzle pipe (9);
Described main gas circuit (15) is connected with described main gas circuit outgassing nozzle pipe (8), described main gas circuit (15) is also connected with low efficient filter (12), the first solenoid valve (17) in turn;
Described gas circuit (16) is divided into first gas circuit (161), second gas circuit (162) two gas circuits, described first gas circuit (161) is connected with described gas circuit outgassing nozzle pipe (9), described second gas circuit (162) is connected with main gas circuit outgassing nozzle pipe (8), described first gas circuit (161), second gas circuit (162) are connected with the first double-channel solenoid valve (11) simultaneously
Described gas circuit (16) is also connected with the second double-channel solenoid valve (18), photometer (10), air strainer (20), the second solenoid valve (19) in turn;
The output terminal of described gas circuit (16) is connected with the output terminal of main gas circuit (15), and is connected with flowmeter (13), asepwirator pump (14), low efficient filter (12) in turn;
Described second double-channel solenoid valve (18) is also connected with air strainer (20).
2. a kind of virtual impact device according to claim 1 and air-channel system thereof, it is characterized in that: described top air inlet part (3) and described bottom outlet gas part (6) are fixed by nut, are also lined with O type circle (5) between described top air inlet part (3) and described bottom outlet gas part (6).
3. a kind of virtual impact device according to claim 1 and air-channel system thereof, it is characterized in that: the upper pipe end place of described main gas circuit outgassing nozzle pipe (8) and described gas circuit outgassing nozzle pipe (9) is respectively arranged with screen pack (4), and to be nested with the lower pipe end of described gas circuit outgassing nozzle pipe (9) main gas circuit outgassing nozzle pipe (8) and to seal rainproof pad (7).
4. a kind of virtual impact device according to claim 1 and air-channel system thereof, is characterized in that: described photometer (10) is connected with temperature control equipment, overheat protector.
CN201520850046.2U 2015-10-30 2015-10-30 Virtual impinger and gas circuit system thereof Active CN205138963U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520850046.2U CN205138963U (en) 2015-10-30 2015-10-30 Virtual impinger and gas circuit system thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520850046.2U CN205138963U (en) 2015-10-30 2015-10-30 Virtual impinger and gas circuit system thereof

Publications (1)

Publication Number Publication Date
CN205138963U true CN205138963U (en) 2016-04-06

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Family Applications (1)

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CN201520850046.2U Active CN205138963U (en) 2015-10-30 2015-10-30 Virtual impinger and gas circuit system thereof

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Country Link
CN (1) CN205138963U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107121264A (en) * 2017-06-20 2017-09-01 大连理工大学 Experimental system and experimental method that a kind of controllable micron particles of humiture are collided with different surfaces
CN109870329A (en) * 2019-03-25 2019-06-11 中国人民解放军军事科学院国防工程研究院工程防护研究所 A kind of artificial radioactive aerosol and the efficient partial size separating and sampling unit of naturally radioactive aerosol
CN111572820A (en) * 2020-03-31 2020-08-25 上海卫星工程研究所 Hierarchical low-power-consumption thermal control method for deep space high-speed impactor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107121264A (en) * 2017-06-20 2017-09-01 大连理工大学 Experimental system and experimental method that a kind of controllable micron particles of humiture are collided with different surfaces
CN107121264B (en) * 2017-06-20 2018-12-25 大连理工大学 A kind of experimental system and experimental method of micron particles and different surfaces collision
CN109870329A (en) * 2019-03-25 2019-06-11 中国人民解放军军事科学院国防工程研究院工程防护研究所 A kind of artificial radioactive aerosol and the efficient partial size separating and sampling unit of naturally radioactive aerosol
CN111572820A (en) * 2020-03-31 2020-08-25 上海卫星工程研究所 Hierarchical low-power-consumption thermal control method for deep space high-speed impactor
CN111572820B (en) * 2020-03-31 2021-07-30 上海卫星工程研究所 Hierarchical low-power-consumption thermal control method for deep space high-speed impactor

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