CAN bus based multi-switching point floating ball Liquid level monitoring system
A CAN bus and float level technology, which is applied in the field of multi-switch point float level monitoring systems, can solve the problems of no control function, no remote monitoring, and inability to know the liquid level of field equipment in real time. Normal operation, ensure normal work, and realize the effect of manual operation control function
Inactive Publication Date: 2016-11-23
TIANJIN XINCHENG INSTR & METER PLANT
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Problems solved by technology
Existing liquid level gauges are usually installed at the monitoring site, which only monitor liquid level information, but do not have control functions. At the same time, monitoring personnel need to conduct manual observations on site, do not have remote monitoring functions, and cannot understand the liquid level of field equipment in real time. situation, some unexpected situations cannot be dealt with in time
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[0020] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:
[0021] A multi-switch point float liquid level monitoring system based on CAN bus, such as figure 1 As shown, including multi-switch point float level monitoring devices installed on different field devices, CAN bus, monitoring center and remote mobile phone client, multiple multi-switch point float level monitoring devices are connected to the monitoring center through CAN bus The monitoring data is transmitted online, and the monitoring center is connected with multiple remote mobile phone clients through the mobile communication network and is connected to the remote mobile phone clients of the monitoring personnel to transmit the monitoring data.
[0022] like figure 2 As shown, the multi-switch point floating ball liquid level monitoring device includes an electric control device 1, a measuring cylinder 2, a flange plate 3, an upper retainin...
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The invention relates to a CAN (Controller Area Network) bus based multi-switching point floating ball liquid level monitoring system. The monitoring system is characterized by comprising multi-switching point floating ball liquid level monitoring devices, a CAN bus and a monitoring center, wherein each multi-switching point floating ball liquid level monitoring device comprises an electric control device, a measuring cylinder, a flange, upper retaining rings, switching points, magnetic floating balls and lower retaining rings, the electronic control device comprises an MCU (Microprogrammed Control Unit) module, a power module, a CAN module and a sound-light alarm module, and the MCU module is connected with a plurality of switches to measure liquid levels, connected with the sound-light alarm module to realize a sound-light alarm function, and connected with the CAN module and connected with the monitoring center through the CAN bus to transmit monitoring data. The CAN bus based multi-switching point floating ball liquid level monitoring system disclosed by the invention is connected to the monitoring center through the CAN bus to transmit the monitoring data, an operator on duty in the monitoring center can timely monitor the working state of a level gauge, and then monitoring personnel can quickly deal with abnormal situations to ensure the normal operation of industrial production.
Description
technical field [0001] The invention belongs to the technical field of liquid level monitoring, in particular to a CAN bus-based multi-switch point floating ball liquid level monitoring system. Background technique [0002] At present, liquid level gauges are widely used in petroleum, chemical and other industrial production processes. Existing liquid level gauges are usually installed at the monitoring site, which only monitor liquid level information, but do not have control functions. At the same time, monitoring personnel need to conduct manual observations on site, do not have remote monitoring functions, and cannot understand the liquid level of field equipment in real time. Some unexpected situations cannot be dealt with in time. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the existing design, and provide a CAN bus-based multi-switch point floating ball liquid level monitoring system with reasonable des...
Claims
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IPC IPC(8): G05B19/042
CPCG05B19/0428G05B2219/24024
Inventor 李智何桂春
Owner TIANJIN XINCHENG INSTR & METER PLANT