Slot type multi-point insulation detection device and method of insulated operating rod
A technology of insulating operating rods and detection devices, which is applied in the direction of measuring devices, measuring electrical variables, and high resistance measurement, etc. It can solve the problems of friction loss, difficult to form operating standards, and easy to be affected by operators, etc., to achieve extended use Longevity, improved accuracy and reliability, and the effect of avoiding friction loss
Inactive Publication Date: 2018-06-12
LISHUI POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER +2
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Problems solved by technology
[0003] The above methods all have one of the biggest disadvantages, whether it is moving horizontally or rotating the insulating operating rod, there will be friction loss between the measuring electrode and the insulating operating rod, which greatly reduces the service life of the insulating operating rod and the measuring electrode
In addition, the length of horizontal movement per unit times and the angle of rotation of the insulating operating rod are difficult to form a set of objective operating standards, and they are easily affected by the operator
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[0037] Embodiment: An insulation operating rod slot-type multi-point insulation detection device of this embodiment, such as figure 1 As shown, it includes a detection module 1 and several slotted electrodes 2, and the slotted electrodes 2 are used to hold the insulating operating rod 3;
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The invention discloses a slot type multi-point insulation detection device and method of an insulated operating rod. The device comprises a detection module and multiple slot type electrodes, and theslot type electrode is used to hold the insulated operating rod; and the detection module comprises a test power supply, a current detection unit and a microprocessor, the test power supply comprisesa DC power supply U0 and a high frequency interference resistant circuit, a voltage output by the DC power supply passes the high frequency interference resistant circuit and then a constant voltageis applied between two adjacent slot type electrodes, the current detection unit detects a current between the two adjacent slot type electrodes, and the microprocessor calculates the insulation resistance of part, between the two adjacent slot type electrodes, of the insulated operating rod according to the voltage of the DC power supply U0 and the current detected by the current detection unit.On the premise that an operator needs not to translate or rotate the insulated operating rod, insulation detection is carried out on the full surface of the insulated operating rod, and friction losscaused by measurement of the insulation resistance is avoided.
Description
technical field [0001] The invention relates to the technical field of insulation detection, in particular to an insulation operating rod slotted multi-point insulation detection device and method. Background technique [0002] Existing detection methods for insulating operating rods are mainly based on insulation resistance measurement. When the insulating coating on the surface of the insulating operating rod deteriorates, the insulation resistance decreases, and the insulating performance of the insulating operating rod can be judged by measuring the insulation resistance of the insulating operating rod. At present, the measurement methods are mainly divided into two types: the ring measuring electrode method and the slot measuring electrode method. Both measurement methods use two measuring electrodes to measure the insulation resistance of the operating rod between the electrodes to determine whether the surface insulation performance of the insulating operating rod be...
Claims
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IPC IPC(8): G01R27/08
CPCG01R27/025G01R27/08
Inventor 叶巨伟包益能汪慧杨俊飞郑维平汤剑伟严程峰蒋超俊徐利伟李冰涛
Owner LISHUI POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER
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