TH32511A - Pipe leak detector - Google Patents

Abstract

Pipeline leak detection devices, including high-pressure gas supply Equipment for use with gas It is connected to a high pressure gas source through a pipeline. And switching equipment installed on the pipeline For choosing to open and close the pipeline A pressure detector is installed between the equipment for use with the gas. And a switching device for detecting the gas pressure inside the pipeline Leak judgment devices are provided for Judge gas leaks when no gas is used. And when the drop of voltage is detected depending on the output from Pressure detection device While the pipeline will be opened and closed by the switching device.

Claims (9)

1.Pipe leak detection device for use on high pressure gas supply with gas inlet and pipeline connected to the gas inlet of the high pressure gas source. The device consists of a means of adjusting and supplying a pressure to be installed on the pipeline. That can be done to start gas when The gas pressure inside the pipeline has dropped to the preset supply start pressure. And to stop gas when The gas pressure in the pipeline rises to the stop pressure higher than the source pressure. Pressure sensing path to detect the gas pressure inside the pipeline. The trajectory measures the time of the drop of the pressure to output the time of the drop of the pressure. Which during which the pressure The gas is detected by the sensing method, it is reduced from the said stop pressure to the pressure. The payment started after the gas supply was stopped. Or which during which the gas pressure is detected by The pressure sensing path is reduced from one rated pressure set below the discharge stop pressure. It goes to a second rated pressure that is set above the said source pressure. Leak judgment time memory path to keep the predefined leak judgment time. Which the gas pressure inside the pipeline will drop from the said stop pressure to the starting pressure when the gas In a leaking pipeline or where the inner gas pressure of the pipeline is reduced from one such specified pressure to the Given that the second When the gas in the pipeline leaks and Leak judgment path to judge the presence of a gas leak And the signal output leak when the said pressure drop time falls within the said leakage time 2. Pipeline leak detection devices as described in Clause 1, which further comprise a volumetric memory path to store the volume inside the pipeline. And the path to calculate the leak judgment time to calculate the leak judgment time When the gas in the pipeline is leaking Which during which the gas pressure inside the pipeline Is reduced from the one specified pressure to the a given second pressure Depending on the volume It is stored in a memory path, that volume and the amount of gas leaks. Where the way to calculate time The judge of such leak will be able to act to deliver information indicating the timing of such leak. To the memory path when judging such leaks 3. Pipeline leak detection devices as described in Clause 1, which further includes a non-judgmental path to signal a gas device not used. When the gas pressure inside the pipeline Was detected by the pressure sensing method After the specified time from that specific time The gas pressure is reduced to the aforementioned secondary pressure. Or the starting pressure to supply it Will exceed that source pressure, where the path to judge the leak will determine the presence or absence of a gas leak only if A signal that the equipment for use with such gas is not being used is issued. 4. Pipeline leak detection equipment as described in Clause 1, which further follows through Alarm to issue an alarm when a number of signal leaks are output from the leak judgment path. Such amount has been exceeded within a specific period. The means to inform to provide for the notification of the alarm. Such threats by the indicator Broadcasting or wired or wireless broadcasting And cutting path Gas activated by such an alarm 5. Pipeline leak detection devices as specified in Clause 1 where the way is to be adjusted and dispensed. Such pressure will consist of High pressure side inlet Low pressure exit And through the link Contact with such high pressure side inlet And the aforementioned low pressure exit And detecting devices Leakage of such pipes continues as well. Overflow protection valve installed in an adjustable path and Supply that pressure at part of the pass that connects to the said high pressure side inlet. And the aforementioned low pressure exit 6. Pipe leak detection devices as described in Clause 1, which include: High-pressure gas source with gas inlet 7. Pipeline leak detection devices as described in Clause 1, which further comprise a volumetric memory path to store the volume inside the pipeline. And the path to calculate the leak judgment time to calculate the time to judge the leakage when the gas in the said pipeline leaks. Which during which the gas pressure inside the pipeline Will drop from the said supply stop to the said source pressure Depending on the volume collected in the path Such volume memory And the amount of gas leaks Where the method for determining the time of such leak will It can be done to send information indicating the timing of such leak to the path. The memory of the judgment of such leaks 8.Pipe leak detector for use on high pressure gas supply with gas inlet and pipe. Transmission that contacts the gas inlet of the high-pressure gas source. The device consists of an adjusting and supplying system that will be installed on the pipeline that can be operated to initiate gas distribution when The gas pressure inside the pipeline is reduced to the pre-determined supply starting pressure. And to stop gas when The high gas pressure in the pipeline increases to the stopping pressure higher than the source pressure. Switching signal path to issue a switching signal When such a way of adjusting and supplying a voltage will start and stop gas supply, the switch measures the time difference to measure the switching time between Start and stop gas supply Memory pathway when judging leaks To store a predetermined leak judgment period where the gas pressure inside the pipeline is reduced from the said stop pressure to the said discharge pressure when the gas in the pipeline leaks and the leak judgment path. To judge the presence of gas leaks and leakage signal output. When the switching period It falls within the judgment of the said leak. 9. The pipe leak detection device as described in Clause 8 continues to include: Volumetric memory trajectory to store the volume inside the pipeline. And the way to calculate the time to judge the leak To calculate the time to judge a leak when the gas in the said pipeline is leaking. Which during which the gas pressure inside the pipe The transmitter is reduced from the one specified pressure to the said second rated pressure. Depending on the volume Stored in a memory pathway. And the amount of gas leaks Where the way to calculate the time to decide Such a leak can be done to send information indicating the timing of such leak to Memory pathway when judging such leaks 1 0. Pipeline leak detection devices as described in Clause 8, which include pressure sensing pathways to detect gas pressure inside pipelines. And a non-judgmental way to issue a signal That are not used for gas equipment When the gas pressure inside the pipeline is detected by the sensing path. Such pressure After a specified time from the specific time the gas pressure drops to the The aforementioned second set, or the said supply pressure that exceeds the said supply starting pressure Where the path to judge Such a leak will determine the presence or absence of a gas leak only when a signal that is not used for use with gas is issued. 1. Pipeline leak detection devices as described in Clause 8, which further includes the Alarm to issue an alarm when a number of signal leaks are output from the leak judgment path. Such amount will be exceeded within a specific period. Method of notification to provide alarm notification. Such threats by the indicator Broadcasting Or a wired or wireless relay and gas-cut trajectory operated by the aforementioned alarms. 2. The pipe leak detection device. As set out in Clause 8, where the means of adjusting and Such supply voltage will consist of High pressure side inlet Low pressure exit And through the link Contact with such high pressure side inlet And the aforementioned low pressure exit And detecting devices Leakage of such pipes will continue with Overflow protection valve installed in an adjustable and supply way. That pressure at the part of the pass that connects to the said high pressure side and the said low pressure outlet. 3.Pipe leak detection devices described in Clause 8 continue to include. High-pressure gas source with gas inlet 1 4.Pipe leak detection devices as described in Clause 8 continue to Volumetric memory trajectory to store the volume inside the pipeline. And the way to calculate the time to judge the leak To calculate the time to judge a leak when the gas in the said pipeline is leaking. Which during which the gas pressure inside the pipe Transmitted from the said stop pressure to the said discharge pressure. Depending on the volume collected in the path Such volume memory And the amount of gas leaks Where the method of calculating the time to judge the leak It can be done to send information indicating the timing of such leak to the path. Time memory to judge such leaks 1 5.Pipe leak detection device for use on high pressure gas supply with gas inlet and pipeline. Contact with the gas inlet of the high-pressure gas source. The device consists of a means of adjusting and supplying a pressure to be installed on the pipeline. That can be done to start gas when The gas pressure inside the pipeline is reduced to a predetermined starting pressure. And to stop supplying gas When the gas pressure in the pipeline increases to the supply stop pressure higher than the source pressure. Switching signal path To issue a switching signal when such an adjustment and supply path begins to supply. Gas and stop paying Switching count measuring path to measure the number of switching signals within a specified time. Switching count memory path to store the number of switching signals Which will happen Within the aforementioned time when the gas in the pipeline is leaking, and the leak judgment path to judge the existence of the leak and the signal output when the number of The switching signal is measured by means of a measuring method. Is stored in a memory way, counting the number of such switching 1 6. Pipe leak detection devices as set out in Clause 15, which include: Volumetric memory trajectory to store the volume inside the pipeline. And the way of calculating the number of Judge the leak to calculate the range of the number of such switching signals. Within such a specified period, when the gas in the pipeline is leaking depends on the volume stored in the memory path, that volume and the amount of gas leaking. Calculation pathway to count the number of judgments on such leaks can Acts to send information indicating the said range of the said switching signal to Memory path, counting the number of such switching 1 7. Pipe Leak Detection Devices as set out in Clause 15, which include: Pressure sensing trajectory to detect the gas pressure inside the pipeline. And the way of judging the idle to leave Signs that equipment is not used for use with gas When the gas pressure inside the pipeline is detected by the Detect the said pressure After a specified time from the specific time the gas pressure is reduced to The aforementioned second rated pressure or the said supply starting pressure Exceeded the said supply voltage Where the path Judge such a leak will judge the presence or absence of a gas leak only when the signal is not used. Equipment for use with such gas comes out 1 8. Pipe Leak Detection Devices as set out in Clause 15, which include: Alarm path to issue an alarm when a number of signal leaks are output from the judgment path. The leak will exceed a certain amount within a specific time. Way of notification to arrange for the notification of the signal. Alarm such alarm by display device Broadcasting or wired or wireless broadcasting and gas cut-off devices operated by such alarms 1 9. Pipe Leak Detection Equipment as set out in Clause 15 where the way for adjustment and distribution Such pressure will consist of High pressure side inlet Low pressure exit And through the link Contact with the said high pressure inlet and the low pressure outlet. And detecting devices Leakage of such pipes continues as well. Overflow protection valve installed in an adjustable path and Supply that pressure at part of the pass that connects to the said high pressure side inlet. And such low pressure exit 2 0. Pipeline leak detection equipment as set out in Clause 15, which continues to include High-pressure gas source with gas inlet