CN-224203618-U - CCN counter airflow control system with high-precision flow regulation function

CN224203618UCN 224203618 UCN224203618 UCN 224203618UCN-224203618-U

Abstract

The utility model relates to the technical field of atmospheric science detection equipment, in particular to a CCN counter airflow control system with a high-precision flow regulating function, which comprises a high-precision flow regulating valve, a cloud tuberculosis counter, an optical particle counter, a gas storage bottle and a gas exhaust bottle. The utility model has the advantages that the condensation nucleus counter and the optical particle counter are arranged, and then the high-precision flow regulating valve is arranged, so that the air inlet flow can be quickly changed, different supersaturation degrees are generated, the measuring period is shortened, meanwhile, the advanced flow regulating technology and the current stabilizing device are adopted, the stability and uniformity of air flow are ensured, the measuring precision is improved, the control device is electrically connected with the flow sensor and the temperature and pressure compensating module, the control system can quickly change the air inlet flow, the response time is shortened to the second level, the measuring speed is greatly improved compared with the traditional method, the cloud condensation nucleus concentration measurement is more accurate, and more reliable data support is provided for the atmospheric science research.

Inventors

Yu Dongjia
LIU JIAXIN
WANG YUFEI
SUN QINHONG
WANG XIUJUAN
Cong Linyi
WANG TIANQI
WANG DEXIN
ZHANG XIAOQING
JIANG XIAOLING

Assignees

吉林省气象灾害防御技术中心

Dates

Publication Date: 20260505
Application Date: 20250718

Claims (6)

1. The CCN counter airflow control system with the high-precision flow regulation function is characterized by comprising a high-precision flow regulation valve, a cloud tuberculosis counter, an optical particle counter, a gas storage bottle and a gas exhaust bottle; An air inlet manifold, a metering valve, a filter and a humidifier are sequentially arranged between the high-precision flow regulating valve and the cloud condensation counter, and a flow stabilizer, a control device, a flow sensor and a temperature and pressure compensation module are sequentially arranged between the air inlet manifold and the cloud condensation counter; the air inlet manifold is communicated with the air storage bottle and the air exhaust bottle through pipelines, and electromagnetic pumps are arranged between the air storage bottle and the air exhaust bottle, between the air storage bottle and the cloud tuberculosis counter as well as between the air storage bottle and the air exhaust bottle as well as between the air exhaust bottle and the optical particle counter.
2. The CCN counter airflow control system with the high-precision flow regulating function of claim 1, wherein the high-precision flow regulating valve is arranged on an air inlet pipeline of the cloud tuberculosis counter and can accurately regulate the flow in an electric or pneumatic mode.
3. The CCN counter airflow control system with the high-precision flow regulating function according to claim 2, wherein the flow stabilizing device comprises a pressure stabilizing tank and a flow buffer, stability and uniformity of airflow are guaranteed, the control device is controlled by a microprocessor, and opening of a flow regulating valve is automatically regulated according to preset parameters.
4. The CCN counter airflow control system with the high-precision flow regulating function of claim 3, wherein a drain valve is arranged on one side of the optical particle counter, an electromagnetic pump and a filter dryer are sequentially arranged on one side of the drain valve, and one side of the filter dryer is communicated with the optical particle counter.
5. The CCN counter airflow control system with high-precision flow regulation of claim 4, wherein the flow sensor is used for monitoring flow in real time and providing feedback signals for the control device, and the temperature and pressure compensation module is electrically connected with the control device and is used for compensating environmental temperature and pressure changes.
6. The CCN counter airflow control system with the high-precision flow regulating function of claim 5, wherein a cooler, a proportional valve and an air pump are sequentially arranged on one side, far away from a cloud tuberculosis counter, of the optical particle counter, and an electromagnetic pump is arranged between the cooler and an exhaust bottle.

Description

CCN counter airflow control system with high-precision flow regulation function Technical Field The utility model relates to the technical field of atmospheric science detection equipment, in particular to a CCN counter airflow control system with a high-precision flow regulation function. Background A cloud coagulation nucleus counter (CCN) is a key instrument for measuring the ability of aerosol particles to activate as cloud coagulation nuclei, and is widely applied to atmospheric science research. The traditional cloud tuberculosis counter generally generates supersaturation degree by changing the temperature difference between the top and the bottom of the cloud chamber, and the method has long response time and is difficult to realize rapid measurement. In addition, the existing equipment has the problems of insufficient precision, poor air flow stability and the like in the aspect of flow control, and the accuracy and the efficiency of measurement are affected. Therefore, it is of great importance to develop a CCN counter airflow control system that can quickly respond and regulate flow with high accuracy. Disclosure of utility model The utility model aims to overcome the defects of the prior art, and provides a CCN counter airflow control system with a high-precision flow regulating function, which effectively solves the defects of the prior art. In order to achieve the above object, an embodiment of an aspect of the present utility model provides a CCN counter airflow control system having a high-precision flow rate adjustment function, including a high-precision flow rate adjustment valve, a cloud tuberculosis counter, an optical particle counter, a gas cylinder, and a gas cylinder; An air inlet manifold, a metering valve, a filter and a humidifier are sequentially arranged between the high-precision flow regulating valve and the cloud condensation counter, and a flow stabilizer, a control device, a flow sensor and a temperature and pressure compensation module are sequentially arranged between the air inlet manifold and the cloud condensation counter; the air inlet manifold is communicated with the air storage bottle and the air exhaust bottle through pipelines, and electromagnetic pumps are arranged between the air storage bottle and the air exhaust bottle, between the air storage bottle and the cloud tuberculosis counter as well as between the air storage bottle and the air exhaust bottle as well as between the air exhaust bottle and the optical particle counter. By any of the above schemes, it is preferable that the high-precision flow regulating valve is installed on an air inlet pipeline of the condensation nucleus counter, and the flow is precisely regulated in an electric or pneumatic mode. By any of the above schemes, preferably, the flow stabilizer comprises a surge tank and a flow buffer, stability and uniformity of air flow are ensured, and the control device adopts microprocessor control, and automatically adjusts the opening of the flow regulating valve according to preset parameters. By any of the above schemes, it is preferable that a drain valve is installed on one side of the optical particle counter, an electromagnetic pump and a filter dryer are installed on one side of the drain valve in sequence, and one side of the filter dryer is communicated with the optical particle counter. Preferably, in any of the above schemes, the flow sensor is used for monitoring flow in real time and providing feedback signals for the control device, and the temperature and pressure compensation module is electrically connected with the control device and is used for compensating for environmental temperature and pressure changes. By any of the above schemes, it is preferable that a cooler, a proportional valve and an air pump are sequentially installed on one side of the optical particle counter far away from the condensation nucleus counter, and an electromagnetic pump is installed between the cooler and the exhaust bottle. The utility model has the following advantages: According to the CCN counter airflow control system with the high-precision flow regulation function, the condensation nucleus counter and the optical particle counter are arranged, the air inlet manifold, the flow stabilizing device, the control device, the flow sensor and the temperature and pressure compensation module are respectively arranged between the condensation nucleus counter and the optical particle counter in sequence, and then the air inlet flow can be quickly changed through the arrangement of the high-precision flow regulating valve to generate different supersaturation degrees, so that the measurement period is shortened, meanwhile, the advanced flow regulating technology and the flow stabilizing device are adopted, the stability and the uniformity of the airflow are ensured, the measurement precision is improved, the control device is electrically connected with the flow sensor and the temperature and pressure