High-voltage power distribution switchgear heating source overheating alarm system
A high-voltage power distribution and alarm system technology, applied in the direction of measuring heat, using electrical devices, using electromagnetic means, etc., can solve the hidden dangers of power supply accidents, the inability to monitor the heating of heat sources in real time, etc., to achieve economical and practical, simple circuit Effect
Active Publication Date: 2016-08-17
江苏创汇电气科技有限公司
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Problems solved by technology
[0002] At present, the overheat alarm device of high-voltage power distribution equipment can only monitor the air temperature around the power distribution equipment, and cannot monitor the heating conditions of fuses, load switches, busbars and other heat sources in the high-voltage power distribution switchgear in real time. Potential for accidents
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[0010] exist figure 1 , the second diode (D 2 ) the anode is externally connected to the input terminal (RTS) and output terminal (CTS) of the console control module, and the third diode (D 3 ) the anode is externally connected to the computer and data terminal (DTR) and router (DSR), the second diode (D 2 ) cathode, the third diode (D 3 ) cathode, the fourth capacitor (C 4 ) positive and 78L05 three-terminal regulator (I 3 ) connected to the 3 pins, the fourth capacitor (C 4 ) Negative pole, 78L05 three-terminal regulator (I 3 ) of the 2 feet are grounded respectively, and the 78L05 three-terminal regulator (I 3 ) of pin 1, the first capacitor (C 1 ) positive pole, the second resistor (R 2 ), one end of the first resistor (R 1 ) of one end, LM324 operational amplifier (I 1 ) of the 4-pin and CD4052B multiplexer (I 2 ) of the 11-pin, 16-pin, and 3-pin are connected, the first capacitor (C 1 ) The negative pole of the ground, the second resistor (R 2 ) and the othe...
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The invention relates to an alarm system, in particular to an alarm system for overheating of a heating source of a high-voltage power distribution switch cabinet. Its characteristics are: the output end of the FTLD type thermal cable is respectively connected to the connection end of the first resistance and the connection end of the fourth resistance and the ground end of the fifth resistance, the 13 pins of the CD4052B multiplexer are connected to the signal input end of the single-chip microcomputer, and the signal of the single-chip microcomputer The output end is connected with the signal input end of the microprocessor, the microprocessor sends alarm information to the mobile phone, and the FTLD type heat-sensitive cable is laid on the conductive tube, the fuse top cover, and the busbar. Due to the adoption of the above-mentioned technical scheme, the advantages and positive effects of the present invention are: it can monitor the heating conditions of heat sources such as fuses, load switches, and busbars in the high-voltage power distribution switch cabinet in real time, and prevent accidents caused by overload and overheating that affect the quality of power supply. To the early warning function, the circuit is simple, economical and practical.
Description
technical field [0001] The invention relates to an alarm system, in particular to an alarm system for overheating of a heating source of a high-voltage power distribution switch cabinet. Background technique [0002] At present, the overheat alarm device of high-voltage power distribution equipment can only monitor the air temperature around the power distribution equipment, and cannot monitor the heating conditions of fuses, load switches, busbars and other heat sources in the high-voltage power distribution switchgear in real time. pose a risk of accidents. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an overheating alarm system for the heating source of the high-voltage power distribution switchgear, which can send out an alarm signal when the fuses, load switches and busbar heating sources in the high-voltage power distribution switchgear are overheated. [0004] The technical scheme adopted by the presen...
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IPC IPC(8): G01K7/24
Inventor 尹俊葛宇宏
Owner 江苏创汇电气科技有限公司