Substation oil chromatography carrier gas pressure monitoring alarm and uninterrupted switching device
A switching device and oil chromatography technology, which is applied in the field of substation monitoring, can solve the problems of long gas cylinder replacement time and power failure, and achieve the effects of prolonging online running time, easy gas circuit switching, and reduced operating time
Pending Publication Date: 2022-03-11
国网河南省电力公司超高压公司 +1
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Problems solved by technology
[0005] The above two online monitoring devices both improve the efficiency of monitoring, but they improve the efficiency of monitoring by increasing the degree of automation or improving the accuracy of monitoring, and do not solve the technical problems of long gas cylinder replacement time and the need to cut off the power
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Embodiment
[0036] Such as Figure 1-3 As shown, this embodiment provides a substation oil chromatography carrier gas pressure monitoring alarm and uninterrupted switching device, including a pipeline system connected to the transformer oil chromatography on-line monitoring device, and a pressure monitoring module set on the pipeline system , a remote alarm module connected with the signal of the pressure monitoring module; the pipeline system includes a first branch and a second branch; the pressure monitoring module includes an electric contact pressure gauge; the remote alarm module includes a An alarm signal remote sending device interconnected with electric contact pressure gauge signals, and an audible and visual alarm connected to the alarm signal remote sending device.
[0037] The first branch includes a spare carrier gas bottle, which is connected to the transformer oil chromatography on-line monitoring device through a high-pressure rubber hose, and a check valve is provided at...
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The invention provides a transformer substation oil chromatography carrier gas pressure monitoring alarm and uninterrupted switching device, which belongs to the technical field of transformer substation monitoring, and comprises a pipeline system, a pressure monitoring module and a remote alarm module, the pipeline system comprises a first branch and a second branch; the pressure monitoring module comprises an electric contact pressure gauge; the remote alarm module comprises an alarm signal remote sending device in signal interconnection with the electric contact pressure gauge, and an audible and visual alarm connected with the alarm signal remote sending device. The pipeline part is designed to be a double-circuit parallel gas supply loop, the functions of real-time monitoring, alarming and uninterrupted switching of the main transformer oil chromatography carrier gas pressure are achieved, the problem of device offline caused by gas cylinder replacement is fundamentally solved by reasonably transforming a gas supply system at the front end of an oil chromatography device, and by means of real-time pressure monitoring and remote transmission alarming, the real-time pressure monitoring and remote transmission alarming are achieved. Therefore, the operation and maintenance efficiency is obviously improved, and the operation and maintenance integrated business development is facilitated.
Description
technical field [0001] The invention relates to the technical field of substation monitoring, in particular to a substation oil chromatography carrier gas pressure monitoring alarm and uninterrupted switching device. Background technique [0002] The transformer is the core equipment of the substation, and the cost of a single phase is tens of millions. If a serious failure occurs inside the transformer during operation, the maintenance cost will be high. Once a fire or explosion occurs, the direct or indirect economic losses will be immeasurable. In order to detect hidden dangers inside the transformer as early as possible, the oil chromatography online monitoring and analysis device is introduced to provide early warning, take measures in advance for abnormal conditions, contain faults in the initial stage, and avoid abnormalities causing major losses. Therefore, it is of great significance to ensure the continuous operation of the oil chromatography on-line monitoring dev...
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IPC IPC(8): G01L19/08G01L19/12G01N30/32
CPCG01L19/086G01L19/12G01N30/32G01N2030/328
Inventor 赵江锋康建准申晓春王琦郭燕燕陈浩王灵贵王宇昕杨浩
Owner 国网河南省电力公司超高压公司