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Water leak location detection device for large areas

A detection device, a large-area technology, applied in the direction of detecting the presence of fluid at the leak point, using liquid/vacuum to measure the liquid tightness, etc., can solve the problem of inapplicability of the water leakage detection device

Active Publication Date: 2016-04-27
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing water leakage detection device is not suitable for large area (such as: room) leakage position detection, and to provide a water leakage position detection device for large area

Method used

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  • Water leak location detection device for large areas

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specific Embodiment approach 1

[0010] Specific implementation mode one: combine figure 1 To illustrate this embodiment, the water leakage position detection device for a large area described in this embodiment includes a wire mesh 1, a voltage detection circuit 2, a DC sequential pulse transmission circuit 3, a sequential control integrated circuit 4 and a communication interface circuit 5, The wire mesh 1 is cross-braided by M horizontal wires and N vertical wires, M and N are both integers greater than 1, and each horizontal wire or vertical wire is wrapped with insulation when dry, Conductive insulating material after soaking, the endpoints on one side of the M horizontal metal wires are respectively connected to the M channels of the pulse signal output end of the DC sequential pulse transmission circuit 3, and the endpoints on one side of the N vertical metal wires are respectively connected to the voltage detection The N channels of the voltage detection signal input end of the circuit 2 are connected...

specific Embodiment approach 2

[0013] Specific implementation mode two: combination figure 1 This embodiment is described. This embodiment is a further limitation of the water leakage position detection device for a large area described in Embodiment 1. In this embodiment, the insulating material is an insulating fabric sleeve.

specific Embodiment approach 3

[0014] Specific implementation mode three: combination figure 1 Describe this embodiment. This embodiment is a further limitation of the water leakage position detection device for a large area described in Embodiment 1 or 2. In this embodiment, the voltage detection signal output terminal of the voltage detection circuit 2 The voltage detection signal input end of the communication interface circuit 5 is connected, and the pulse signal output end of the DC sequential pulse sending circuit 3 is connected with the pulse signal input end of the communication interface circuit 5 .

[0015] In this embodiment, the operator can directly obtain the timing pulse signal 6 and the voltage detection signal received by the voltage detection circuit 2 from the external data receiving device for comparison with the detection result sent by the timing control integrated circuit 4 .

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Abstract

The invention provides a water leakage position detection device for a large area and relates to a water leakage detection technique. The water leakage position detection device aims at solving the problem that the existing water leakage detection device is not suitable for detecting water leakage positions in large areas such as rooms. The water leakage position detection device for the large area is characterized in that a time sequence control integrated circuit transmits pulse signals to M longitudinal metal wires through a direct-current time sequence pulse transmitting circuit according to a time sequence, insulating materials outside the metal wires at water leakage positions are wetted and conducted, pulse signals pass through the corresponding longitudinal metal wires, and a voltage detection circuit receives voltage detection signals and then transmits the voltage detection signals to external data receiving equipment through the time sequence control integrated circuit and a communication interface circuit; a metal wire mesh forms a rectangular coordinate system and the accurate coordinates of the water leakage positions can be judged according to the detection signals. The water leakage position detection device for the large area overcomes the defect that the existing water leakage position detection device can only be used for detecting the position of a limited long strip-shaped area or a certain point, and is suitable for detection in large areas such as houses.

Description

technical field [0001] The invention relates to water leakage detection technology. Background technique [0002] Most of the existing water leakage detection products are in-line detection belts or single detection point structures, which can only judge the water leakage of a limited strip or a certain point, and it is difficult to cover the entire room area in a large area. When a water leak begins in a room, it is impossible to accurately determine where the water leak starts and how it spreads. Contents of the invention [0003] The purpose of the present invention is to solve the problem that the existing water leakage detection device is not suitable for detecting water leakage in large areas (such as rooms), and to provide a water leakage detection device for large areas. [0004] The water leakage position detection device for a large-area area according to the present invention includes a wire mesh 1, a voltage detection circuit 2, a DC sequential pulse transmiss...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M3/16
Inventor 赵威吴伟东孙绍辉张爽宫本超
Owner STATE GRID CORP OF CHINA