Multi-channel atmosphere sampling apparatus
An atmospheric sampling and multi-channel technology, applied in the direction of sampling devices, etc., can solve the problems of heavy weight, high power consumption, and many internal components, and achieve the effect of simple structure and low energy consumption
Active Publication Date: 2014-12-24
SHENZHEN AMAE INSTR
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Problems solved by technology
For example, the YQ-8 multi-channel gas sampler launched by Qingdao Laoshan Electronic Instrument Factory has 8 solenoid valves inside the main engine, which can realize the simultaneous collection of two-channel gas and gas circuit switching, but the setting of multiple solenoid valves causes internal components. Many, larger volume, heavier weight, higher power consumption
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[0027] Embodiments of the present invention will now be described with reference to the accompanying drawings, in which like reference numerals represent like elements. as above, as Figure 1-4 shown, as figure 1 The multi-channel atmospheric sampling device 100 provided by the illustrated embodiment includes: an air circuit switching device 10 and a control device 20, both of which are installed on the flat plate 30, and the flat plate 30 is installed on the bottom plate 60, and is formed by The casing 40 wraps.
[0028] like figure 2 , 4 As shown in FIG. and 5, the gas path switching device 10 includes: a connecting rod 132, a piston 11, a sleeve 12 and a pushing mechanism 13, one end of the sleeve 12 is provided with a cylinder opening for the piston 11 to enter and exit, and the outer wall is provided with There are air nozzles 14a, 14b, 14c, 14d communicating with the inside of the sleeve 12, and a through groove 11a is formed through one end face and side surface of...
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The invention discloses a multi-channel atmosphere sampling apparatus, wherein a gas path switching device comprises a connecting rod, a piston, a sleeve and a pushing mechanism; one end of the sleeve is sealed, and the other end of the sleeve is communicated with an external air source; an air nozzle which is communicated with the inside of the sleeve is arranged on the outer wall of the sleeve; a through groove is arranged by means of penetrating through a head face and a side face of the piston; the pushing mechanism is used for pushing the piston to slide in the sleeve through the connecting rod; an air exhaust passage is formed by the air nozzle, the through groove and the external air source when the air nozzle is aligned with the through groove; the gas path switching device further comprises a controlling device which is connected with the pushing mechanism, is used for controlling the position of the piston which is pushed by the pushing mechanism in the sleeve, and comprises an input module, a controller and a display module; the controller is connected with the input module and the display module respectively; the input module is used for inputting controlling parameters for the controller; and the controller is used for controlling the pushing mechanism to work depending on the controlling parameters. The multi-channel atmosphere sampling apparatus is simply structured and low in energy consumption.
Description
technical field [0001] The invention relates to the field of atmospheric sampling devices, in particular to a multi-channel atmospheric sampling device with simple structure and low energy consumption. Background technique [0002] With the process of human industrialization, environmental problems are becoming more and more serious. Industrial production emits a large amount of waste gas, and the content of harmful gases in the air continues to increase, which has brought serious harm to people's health. [0003] Meteorological experts and medical experts believe that the haze weather caused by fine particles is even more harmful to human health than sandstorms. Particles with a particle size of more than 10 microns will be blocked out of the human nose; particles with a particle size between 2.5 microns and 10 microns can enter the upper respiratory tract, but some can be excreted through sputum, etc. The internal fluff is blocked, and the harm to human health is relativ...
Claims
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IPC IPC(8): G01N1/24
Inventor 朱平郭冰廖海祁董宁范静宏
Owner SHENZHEN AMAE INSTR