Intelligent switch cabinet online measurement and control device
A technology of measurement and control device and intelligent switch, applied in the direction of measurement device, program control, heat measurement, etc., can solve the problems of dangerous situations, switchgear cannot be operated at will, and switchgear components are numerous, and achieve the effect of eliminating potential safety hazards.
Active Publication Date: 2018-12-21
杭州施厚能源科技有限公司
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Problems solved by technology
[0004] However, although this switchgear can alarm when the temperature in the cabinet is too high, it cannot roughly detect the components that may have failed.
Under normal circumstances, operating personnel will associate high temperature with excessive load, but there are many components in the switchgear and the switchgear cannot be operated at will, and the operating personnel usually do not check the components, which leads to safety hazards that cannot be eliminated in time. It will be a matter of time before high temperatures and even dangerous situations appear again
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[0017] refer to figure 1 , an online measurement and control device for an intelligent switch cabinet, including a control terminal, a transmitter module, and a power distribution measurement module. The control terminal includes a main control module, a communication module, a switch value acquisition module, a display module, a relay output module and a processing module. The control terminal is powered by a rail-type power adapter, and the working voltage of the control terminal is 24V. The transmitter module is externally connected to 220V AC power supply. The communication module of the control terminal is an RS485 communication interface, and the transmitter module is also equipped with an RS485 communication interface. The transmitter module and the control terminal are connected through a communication bus and communicate with the Modbus-Rtu protocol. Several wireless temperature sensors are installed in the switch cabinet, and the wireless temperature sensors measur...
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The invention discloses an online measurement and control device for an intelligent switch cabinet. The device includes a control terminal, a power distribution measurement module, a wireless temperature measurement and transmission module, a power adapter and a wireless temperature sensor. The control terminal generates a waveform of temperature information according to a time axis and the waveform of the current information and compare the waveform of the temperature information with the rising and falling trends of the waveform of the current information, and generate abnormal alarm information when the rising and falling trends of the two waveforms are inconsistent, and the display module is used to display the high temperature alarm signal and the abnormal Warning message. The measurement and control device can not only monitor the temperature and humidity in the switch cabinet, but also roughly analyze whether the high temperature in the cabinet is caused by excessive load or component failure. The measurement and control device can facilitate operators to know the danger of high temperature, and can also enable the operators to know the hidden safety hazards in time, so as to eliminate the hidden safety hazards in time.
Description
technical field [0001] The invention relates to the technical field of electrical equipment, more specifically, it relates to an online measurement and control device for an intelligent switch cabinet. Background technique [0002] The switchgear is a commonly used power transmission equipment in the power transmission system. It is mainly composed of electrical components such as load switches, fuses, and electric operating mechanisms. The electric operating mechanism is used to operate the on and off of the load switch. People can remotely operate the high-voltage switchgear in the monitoring room of the high-voltage switchgear. When the equipment in the switchgear is running, because there are many heating components in the cabinet, the excessive temperature rise will cause the electrical mechanical and electrical performance to decline, and finally lead to the failure of high-voltage electrical work, and even cause serious accidents. In order to ensure the safe operatio...
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IPC IPC(8): G05B19/048G01D21/02G01K1/02G01K1/024
CPCG05B19/048G01D21/02G01K1/024
Inventor 王立
Owner 杭州施厚能源科技有限公司