Atmospheric composition sampling system

A technology of sampling system and gas sampler, which is applied in the direction of sampling, analyzing materials, sampling devices, etc., can solve problems such as single function, low efficiency, and limited battery energy storage strength, and achieve high sampling efficiency, multiple types of sampling, and large number of samples many effects

Active Publication Date: 2016-07-20
中国科学院遗传与发育生物学研究所农业资源研究中心 +1
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Problems solved by technology

[0004] Multi-rotor aircraft can obtain data in various aspects by carrying a variety of sensors, but the energy storage strength per unit mass of the battery is very limited, and the endurance time must be extended by increasing the number of batteries, and the weight of the battery itself greatly reduces the weight of the aircraft. Load capacity, the aircraft can only carry small cameras or sensors for short-term flight, which cannot meet the requirements of long-term flight
The patent document with the application number 201210597187.9 discloses a cable-powered multi-rotor aircraft system. Although this patent pr

Method used

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Embodiment 1

[0029] Embodiment 1, the ground mobile power supply device 5 is a crawler-type electric vehicle, which enhances the performance of overcoming obstacles and climbing slopes, and greatly increases the application range of the sampling system. The crawler-type electric vehicle is installed with a ground power supply 4, and the ground power supply 4 includes Diesel generator and DC power supply, the power output end of diesel generator and DC power supply is transmitted to the controller and the rotary gas collection mechanism through cables, the aircraft adopts a rotorcraft, and the sampling device 1 is connected to the lower end of the aircraft through the cloud platform 14, the cloud platform 14 The acquisition device can be kept in a horizontal state to prevent the vibration caused by the body. The ground mobile power supply device 5 is provided with a cable winding device 3 for cable retraction. The cable winding device 3 includes a support frame with a cable steering mechanism...

Embodiment 2

[0033] Embodiment 2, as another embodiment of the sampling device in Embodiment 1, the rotary gas collection mechanism includes a vacuum pump 7, a conversion device 8 connected to the output end of the vacuum pump 7, and an annular guide rail fixedly connected to the platform 14 The tail of the conversion device 8 is fixedly provided with a sliding seat that is slidably matched with the annular guide rail. The set of gas samplers 12 is fixedly connected with the platform 14 and is set correspondingly to the annular guide rail. The conversion device 8 is provided with a gas sampler 12 The telescoping conversion joint 13 that is plugged in at the input end, the vacuum pump 7 and the conversion device 8 are all connected to the controller.

[0034] When the rotary gas collection mechanism with the above structure is in use, the vacuum pump 7 and the telescopic conversion joint 13 rely on the preset program of the controller to perform opening and closing work. After the collection...

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Abstract

The invention relates to an atmospheric composition sampling system, and belongs to the technical field of atmospheric monitoring.The sampling system comprises a ground mobile power supply device, an aircraft and a sampling device, wherein the ground mobile power supply device and the aircraft are connected through a cable, and the sampling device is connected to the aircraft; a cable winding device used for cable winding and unwinding is arranged in the ground mobile power supply device, the sampling device comprises a controller, a rotary-type air collection mechanism which achieves positioning by means of a cradle head and a group of air samplers, the air samplers form a time-sharing and multi-parameter sampling mechanism to atmospheric compositions by means of control of the controller over the rotary-type air collection mechanism, and the air samplers have multiple types.When the sampling system works, multi-position and multi-item atmospheric composition sampling work can be achieved through one-time taking off, the efficiency is greatly improved, time intervals of sampling work between different positions are short, atmospheric composition data at different positions within a short time range can be provided, and the reference to research is good.

Description

technical field [0001] The invention belongs to the technical field of atmospheric monitoring, and in particular relates to an atmospheric composition sampling system. Background technique [0002] The atmospheric boundary layer is the vertical air layer that is most directly affected by the surface. In recent decades, due to the increasingly serious air pollution in cities, the impact of human activities on the atmospheric environment has become more and more obvious, and people have paid more and more attention to the impact of cities on the environment and the atmosphere. Thus promoting the study of the urban atmospheric boundary layer. Through the analysis of the main pollutants in the atmospheric boundary layer, such as the analysis of the concentration of total suspended particulate matter, sulfur dioxide, nitrogen oxides, etc., the pollution situation of the atmospheric boundary layer can be grasped more accurately. [0003] At present, the main method of observing a...

Claims

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Application Information

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IPC IPC(8): G01N1/22
CPCG01N1/2273G01N2001/2279
Inventor 王光伟万撒特王仕琴
Owner 中国科学院遗传与发育生物学研究所农业资源研究中心
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