Gas sample collection device for gas relay
A gas relay and acquisition device technology, applied in the direction of sampling devices, etc., can solve the problems of misjudgment of the nature of transformer faults, affecting the accuracy of chromatographic analysis, glass syringes are easy to break, etc., to achieve portability and use, avoid repeated sampling, structure simple effect
Inactive Publication Date: 2014-05-21
DALIAN POWER SUPPLY COMPANY STATE GRID LIAONING ELECTRIC POWER +2
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Problems solved by technology
This kind of device is complicated to operate during the collection process, the glass syringe is easy to break, and the collected gas sample is easy to escape and be distorted, which affects the accuracy of chromatographic analysis, thus causing misjudgment of transformer failure and its nature.
Method used
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Embodiment Construction
[0007] The present invention will be further described below in conjunction with accompanying drawing:
[0008] Such as figure 1 As shown, the present invention is mainly composed of an air storage bag 1 and a bidirectional needle tube 2. The air storage bag can be made of an aluminum foil multilayer composite film. This material will not be broken, and has low permeability, small adsorption, and chemical properties Stability and other characteristics. The air inlet of the air storage bag is provided with a rotary valve, which is composed of a valve cap 3 and a valve stem 4. The valve switch is operated by the valve stem, and the counterclockwise rotation to the end is to open, and the clockwise rotation to the end is to close. end of the rod. The valve port at the end of the valve stem is covered with a rubber cap 5, one end of the two-way needle tube is inserted into the rubber cap 5, and the other end is inserted into the rubber cap 6, and the rubber cap 6 can be set on t...
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The invention relates to a gas sample collection device for a gas relay. The gas sample collection device is characterized by mainly comprising a gas storage bag and a bidirectional needle head tube, wherein a rotary valve is arranged at a gas inlet of the gas storage bag; a valve opening is sleeved with a rubber cap; one end of the bidirectional needle head tube is inserted into the rubber cap at the valve opening of the rotary valve, and the other end of the bidirectional needle head tube is sleeved on another rubber cap at a gas outlet of the gas relay. Due to the bag-type gas storage device of the gas sample collection device, crushing can be avoided; due to the structure with the bidirectional needle head tube and the rubber caps, the gas sample collection is simple and feasible, and a gas sample can be prevented from escaping; repeated sampling is avoided; meanwhile, the gas sample collection device is simple in structure and convenient to carry and use.
Description
technical field [0001] The invention relates to an auxiliary tool for electrical detection, in particular to a gas sample collection device for a gas relay. Background technique [0002] When there is gas accumulation in the gas relay of the transformer, the gas sample should be collected for chromatographic analysis, so as to judge whether there is a fault in the transformer and the nature of the fault according to the composition and content of the gas. In order to reduce the influence of different remelting rates of different components, gas samples must be taken in the shortest possible time and analyzed as soon as possible, and the gas samples should be kept away from light to prevent the gas from changing under the action of light. The gas sampling device currently used is usually composed of three parts: a connecting rubber hose, a three-way valve and a glass syringe. After using this device to collect gas samples, first turn the direction of the three-way valve to s...
Claims
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IPC IPC(8): G01N1/22
Inventor 李雪宋方刘久传曹柏鹤
Owner DALIAN POWER SUPPLY COMPANY STATE GRID LIAONING ELECTRIC POWER