Chlorine gas concentration on-line monitoring device
A monitoring device, chlorine technology, applied in the direction of measuring device, material analysis by electromagnetic means, instrument, etc., can solve the problems of long response time, single function, poor reliability and so on
Active Publication Date: 2011-03-16
JIANGSU SHENXIANG ELECTROMECHANICAL
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the shortcomings of the existing chlorine gas concentration online monitoring device, such as low precision, poor reliability, long response time and single function, and provide a chlorine gas concentration online monitoring device based on an embedded system
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[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0016] The system structure of the chlorine concentration online monitoring device is as follows: figure 1 As shown, it includes a main controller 1, multiple chlorine gas transmitters 2 and temperature transmitters 3. The chlorine gas transmitter 2 and the temperature transmitter 3 are arranged in the monitoring area, and are connected to the main control instrument 1 through a shielded twisted pair, and the main control instrument 1 is connected to the central monitoring system 4 for signals. The chlorine gas transmitter 2 and the temperature transmitter 3 respectively collect the chlorine gas concentration and temperature information in the environment, and convert the information into a 4-20mA signal, which is transmitted to the main controller 1 through a twisted pair; the main controller 1 pairs the collected After the chlorine gas concentration ...
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The invention relates to an on-line monitoring device of chlorine concentration. The traditional monitoring method is not suitable for real-time and on-line measurement. The on-line monitoring device of chlorine concentration comprises a master controlling instrument, a plurality of chlorine transmitting instruments and a temperature transmitting instrument, wherein each chlorine transmitting instrument and each temperature transmitting instrument are connected with the master controlling instrument through a twisted pair. The master controlling instrument comprises a processor module and a data storing module, a liquid crystal displaying module, a key-pressing module, a clock module, an alarming circuit module, a communicating module and 4-20mA signal input module which are connected with the processor module respectively. The chlorine transmitting instrument comprises a chlorine sensor, a chlorine transmitting instrument amplifying module and a 4-40mA signal output module of the chlorine transmitting instrument, which are connected in sequence. The temperature transmitting instrument comprises a temperature sensor, a temperature transmitting instrument amplifying module and a 4-20mA signal output module of the temperature transmitting instrument, which are connected in sequence. By using the on-line monitoring device of chlorine concentration, the concentration of chlorine can be monitored in real time and the tested values are done with temperature compensation.
Description
technical field [0001] The invention belongs to the technical field of automatic monitoring, and relates to a gas concentration online monitoring device, in particular to a chlorine gas concentration online monitoring device. Background technique [0002] Chlorine gas is widely used in chemical production. Chlorine is a gas with extremely strong chemical affinity. Chlorine can support combustion. When chlorine is mixed with many substances, it will corrode the container and even cause an explosion. At the same time, chlorine gas under normal conditions is a highly toxic gas, which can strongly stimulate the human respiratory tract and mucous membranes of the eyes and nose, and even endanger life. In order to prevent accidents and ensure the personal safety of operators in production, it is necessary to monitor the concentration of chlorine gas in the environment online. The traditional monitoring method is the methyl alcohol colorimetric method, which requires manual sampl...
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IPC IPC(8): G01N27/00G01N35/00G08B21/14
Inventor 蒋鹏蒋路茸
Owner JIANGSU SHENXIANG ELECTROMECHANICAL