PIPELINE LEAK DETECTION APPARATUS AND METHOD FOR IMPROVING THE PRECISION OF MEASUREMENT OF THE LEAK LOCATION

摘要

The present invention relates to a heat pipe leak detection apparatus 200, more specifically, to correct the error caused due to the polarization in accordance with the characteristics of the fluid flowing in the isolated area or pipes of improving the measurement accuracy of the leak position which relates to a heat pipe and heat pipe leak detection method for measuring water leakage position. According to the present invention, that it is possible to measure more accurate leakage location to compensate for the leak location measurement error caused by the polarization properties of the isolated area of ​​the pipe and the fluid, it may be unnecessarily wasted in leak detection and leak location measurement process, time, it is possible to reduce the expenditure on costs. To this end, the present invention is provided with a first switch (SW1) to be extended to the ground, ground-side end portion from a power supply section 220, the power supplier 220 for supplying a predetermined voltage to the sense line 210, and detecting the buried in the insulating region between the pipe outer diameter and the inner diameter of line 210, a second switch (SW2) for leak detection point (P) and, optionally, a voltage detector 230 for leak detection is connected, through the second switch voltage for the leak detection voltage detector 230 or the leak location measurement for through (SW2) leak detection point (P) and an optional leak voltage detecting section 240 for position measurement which is connected via a third switch (SW3) calculating the data provided from the detector 240 and is selectively connected to the a / D converter 250, the a / D converter 250 for converting the analog data signal supplied from the positive voltage detector into a digital data signal processing for determining whether or not leak and the calculated leak position Microprocessor 260, a display communication unit 270, a visual informing a leak occurs and status in accordance with the command of the microprocessor (260) for transmitting data provided from the microprocessor 260 to a relay 120 ( 280), the microprocessor 260, alarm generation unit (290 notifying the leakage occurrence, and the state in accordance with a command audibly in), is controlled by the microprocessor 260, the first to eighth switch (SW8) comprising: a reference resistor (310) disposed between the control switch control unit 300, and a position and a ground portion of the conductive wire for connecting the leak detection point (P) and the second switch (SW2), the power supplier ( 220), the fifth switch (SW5) being selectively connected to the sense line 210 via a sixth switch (SW6), said first switch (SW1) ground and selectively fixed to opposite terminals of the via, and the fifth switch (SW5) comprises a seventh switch (SW7) The leak detection point (P) and is first connected to a predetermined position of the leads connecting the second switch (SW2), said sixth switch (SW6) is an eighth switch, the leak detection point (P) through (SW8) through the the second switch is coupled to a predetermined position of the leads connecting the (SW2), the reference resistor 310 is short-circuited to the fourth switch (SW4) when provided with a resistor and a fourth switch (SW4) having a predetermined value, and the leak detection the reference resistor 310, the two values ​​and by measuring the voltage between the both ends, and the indirect measure the insulation resistance (R3), compares the measured insulation resistance (R3) with a reference insulation resistance value when the steady-state over a predetermined threshold value in a state It provides a heat pipe leak detection apparatus Having determined that a large difference occurs over the pipe.