KR20150026314A

KR20150026314A - The piping performance measurement system of internal-flow piping

Info

Publication number: KR20150026314A
Application number: KR20130104991A
Authority: KR
Inventors: 이성현
Original assignee: 현대중공업 주식회사
Priority date: 2013-09-02
Filing date: 2013-09-02
Publication date: 2015-03-11

Abstract

The present invention relates to a plumbing performance measuring system considering the internal flow of a pipe to measure the vibration of the pipe by hydrodynamic force generated by an internal flow when internal pulsating fluid discharged from a pump flows. When fluid is supplied to a pump (200) through a water supplier (100) and fluid is supplied to a connection pipe (510) by a control of a controller (300) in the pump (200), the present invention for the forementioned has a vibration measuring device (500) to measure the vibration level of a connection pipe (510) according to the pressure and flow rate of fluid supplied to the inside of the connection pipe (510) in the connection pipe (510). The vibration measuring device (500) has the connection pipe (510) formed to be connected to a pipe (400). A measurement amount sensor (520) is formed to measure the pressure and flow rate of fluid in the connection pipe (510). A measurement module (530) is formed to receive and measure the vibration level of fluid sensed by the measurement amount sensor (520) by comparing the measured value with a set reference value.

Description

[0001] The present invention relates to a piping performance measurement system,

The present invention relates to a piping performance measuring system that takes into consideration the internal flow of piping, and more particularly, to a piping performance measuring system capable of accurately measuring the vibration of piping due to the fluid force generated by the internal flow when the internal pulsating fluid discharged from the pump flows And more particularly, to a piping performance measuring system that takes into consideration the internal flow of the piping.

Generally, ships are equipped with a number of pipes such as drinking water lines, steam lines, fire extinguishing lines, air supply lines and the like.

That is, a plurality of pipes are jointed, then valves or cocks are attached, and air is introduced into the pipes in the winter and water in the summer, and the pressure in the pipes is measured by a gauge, .

At this time, the pressure of air or water to be injected should be at least 1.5 times the working pressure so that the piping can be used without difficulty.

Korean Patent Publication No. 2011-0083952 (published on July 21, 2011) discloses a piping vibration evaluation method comprising the steps of: extracting design information or position information of a pipeline to be inspected from EDB information previously input in a memory; Measuring vibration of the pipe using the extracted information; And comparing the measured data with allowance data to evaluate the integrity of the pipe.

However, the above-described conventional Korean Patent Laid-Open Publication No. 2011-0083952 (published on July 21, 2011) extracts design information or positional information of a pipeline preliminarily input to the memory unit and measures and evaluates the vibration of the pipeline. In this case, since the vibration is measured using the information pre-inputted to the memory unit, it is not possible to precisely grasp how much the pipe is vibrated, and accordingly, the vibration measurement of the pipe is not accurately performed.

1 is a view showing an example of a fluid flow in a conventional pipe. In the conventional case, a fluid is supplied from a pump 30 to a pump 30 under the control of a control device 20 in a water supply device 10, As the discharged fluid is supplied through the pipe 40, the vibration is generated due to the pressure and the flow rate of the fluid inside the pipe 40. At this time, the vibration generated in the pipe 40 does not have a separate measuring device Can not be accurately measured.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a vibration measuring apparatus for measuring a pressure and a flow rate of a fluid, It is possible to accurately measure the vibration amount according to the pressure and the flow rate, thereby maximizing the product quality.

Second, it is possible to maximize the convenience and efficiency of the operation by automating the vibration measuring apparatus for measuring the flow of the pipe so that the measured value and the reference value can be compared and inspected.

Third, it is an object of the present invention to provide a piping performance measuring system that takes into consideration the internal flow of the piping, which maximizes measurement accuracy by forming various measurement points for measuring the fluid pressure and flow rate of the piping.

According to an aspect of the present invention, there is provided a method of controlling a flow rate of a fluid supplied to a pipe, And a vibration measuring device is formed so as to measure the vibration amount of the pipe according to the measurement result.

Wherein the vibration measuring device includes a connection pipe connected to the pipe, a measurement amount detecting sensor is formed on the connection pipe so as to measure the pressure and flow rate of the fluid, and the vibration amount of the fluid sensed by the measurement amount detecting sensor And a measurement module for comparing the measured value and the set reference value.

In addition, the measurement amount detection sensor is formed of at least two or more in order to accurately measure the vibration amount of the pipe due to the pressure of the fluid and the change of the flow rate according to the position of the connection pipe.

In addition, the vibration measuring apparatus can replace pipes of various shapes and sizes. The present invention provides a piping performance measuring system that takes into consideration the internal flow of piping.

As described above, according to the present invention, when the internal pulsating fluid discharged from the pump flows into the piping, the vibration measuring device is formed to detect and measure the vibration amount of the piping according to the pressure and the flow rate of the fluid, It is possible to accurately measure the vibration amount of the product, thereby maximizing the quality of the product and the efficiency of the operation.

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
2 is an exemplary view showing a piping performance measurement system according to the present invention.
3 is an exemplary view showing a vibration measuring apparatus according to the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is an exemplary view showing a piping performance measuring system according to the present invention, and FIG. 3 is an exemplary view showing a measuring apparatus according to the present invention.

2 to 3, the present invention is characterized in that fluid is supplied to a pump 200 from a water supply device 100 and fluid supplied to the pump 200 is supplied to the pump 200 under the control of the control device 300. [ The fluid discharged from the pump 200 is supplied to the connection pipe 510 and the pressure of the fluid discharged from the connection pipe 510 is measured in accordance with the pressure and flow rate of the fluid while being discharged from the pump 200 to the pipe 400, The vibration measuring apparatus 500 is formed to measure the vibration of the connection pipe 510 generated by the flow velocity.

The vibration measuring apparatus 500 includes a connection pipe 510 connected to the pipe 400 and a connection pipe 510 formed on the connection pipe 510 and adapted to be connected to the pipe 400 by a pressure and a flow rate of the fluid flowing into the pipe 400. [ 510), and a vibrating amount of the connection pipe (510) sensed by the measurement amount sensing sensor (520) is received And a measurement module 530 for comparing the measured reference value with the set reference value.

The connection pipe 510 is connected to the coupling part 410 of the pipe 400 and can be replaced according to various shapes and sizes.

It is preferable that the measurement amount sensing sensor 520 is formed in a number so as to accurately measure the vibration amount of the pipe 400 due to the pressure of the fluid and the change of the flow rate depending on the position of the connection pipe 510.

The operation state of the measuring system according to the present invention will be described below.

The fluid in the water supply device 100 is discharged to the pipe 400 while the pump 200 is operated under the control of the control device 300.

The fluid discharged from the pump 200 is supplied through the connection pipe 510 which is supplied in the flow direction through the pipe 400 and connected to the pipe 400. At this time, Vibration occurs in the coupling pipe 510.

When vibration is generated in the connection pipe 510 due to the pressure and flow rate of the fluid, the measurement amount detection sensor 520 formed on the connection pipe 510 senses the vibration of the connection pipe 510 .

The measurement amount of the vibration sensed by the measurement amount sensing sensor 520 is transmitted from the measurement module 530 to the measurement value of the vibration amount measured in the connection pipe 510 and the reference value preset in the measurement module 530 Will be compared.

At the same time, the measurement module 530 compares the measurement value sensed by the measurement quantity sensing sensor 520 with a reference value, and controls the speed change of the pump 200 in the control device 300.

Therefore, in the present invention, the amount of vibration of the connection pipe 510 according to the pressure and flow rate of the fluid discharged from the pump 200 is sensed by the measurement sensor 520, and the measurement module 530 senses the amount of vibration of the connection pipe 510 The vibration state of the coupling pipe 510 can be accurately measured by measuring the vibration amount.

In the present invention, a plurality of the measurement amount sensing sensors 520 are formed on the connection pipe 510, so that the inlet and outlet of the connection pipe 510 are connected to each other by the pressure and flow rate of the fluid flowing into the pipe 400. [ It is possible to continuously and precisely measure the amount of vibration generated in the stage by the measurement amount detecting sensor 520 formed in a large number.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

100: water supply
200: pump
300: Control device
400: Piping
500: Vibration measuring device
510: Connector
520: Measuring sensor
530: Measurement module

Claims

A system for measuring vibrations generated in a connection pipe according to a pressure and a flow rate of a fluid as a fluid supplied to the pump is discharged from a pump to a pipe under the control of a control device,
Wherein a vibration measuring device is formed so that the vibration of the connection pipe generated by the pressure and the flow rate of the fluid discharged from the pump to the connection pipe can be detected and measured evenly throughout the connection pipe. system.

The method according to claim 1,
Wherein the vibration measuring device comprises:
A connection pipe connected to the pipe,
A sensor for detecting the amount of vibration generated in the connection pipe by the pressure and the flow rate of the fluid flowing into the connection pipe,
And a measurement module receiving the vibration amount of the connection pipe sensed by the measurement amount sensing sensor and comparing the reference value and the measured value and measuring the measured reference value, and taking into account the internal pipe flow.

3. The method of claim 2,
Wherein the connection pipe is connected to a connection portion of the pipe, and the connection pipe is replaceable according to various shapes and sizes of the connection pipe.

3. The method of claim 2,
Wherein the measurement amount sensing sensor is formed in a plurality of pipes so as to accurately measure the vibration amount of the pipe due to the pressure of the fluid and the change of the flow rate according to the position of the connection pipe.