KR102520395B1 - Measuring device for liquid flow - Google Patents

Abstract

The present invention is a flow meter connected to a connection pipe of a fluid storage device to measure the amount of fluid supplied to the storage device, provided at one end and provided with a first valve that can be selectively opened and closed on one side to supply fluid. An inlet pipe connected to a supply device to do; a strainer connected to the rear end of the inlet pipe to filter the supplied fluid; a flow meter provided at the rear end of the strainer to check the amount of fluid supplied; an outflow pipe provided at the other end, connected to the connection pipe of the storage device, and provided with a second valve that can be selectively opened and closed at one side to supply fluid passing through the flow meter; An auxiliary pipe having one end connected to one side of the strainer and the other end connected to a pipe between the flowmeter and the outlet pipe; By providing a flow meter characterized in that it includes, it is connected to one side of a storage device for receiving and storing fluid to accurately measure the flow rate of the fluid flowing into the storage device, and parts such as a flow meter, a filter, a differential pressure gauge, and a valve They can be configured to be modularized so that the flow rate can be measured by quickly and easily connecting to the storage device. Fluid can be continuously supplied.

Description

Flow meter {MEASURING DEVICE FOR LIQUID FLOW}

The present invention relates to a flow meter, and more particularly, to a flow rate meter connected to one side of a storage device for receiving and storing fluid to accurately measure the flow rate of fluid flowing into the storage device, and, if necessary, two types of It relates to a flow rate meter capable of simultaneously supplying fluid or continuously supplying fluid using an auxiliary pipe when the pipe is closed due to a failure.

In general, several types of flow meters are known for use in industry or households. A method of measuring the flow rate by directly using the energy generated while the fluid is moving, and a method of calculating the flow rate by measuring the moving speed of the fluid from the outside This representative is widely used.

There are volume, area, differential pressure, and turbine flowmeters as flowmeters that measure the flow rate using fluid energy, and ultrasonic and mass flowmeters that calculate the flow rate by measuring the velocity of the fluid.

Among them, a turbine flowmeter configured to install a turbine or an impeller in a passage of a fluid and measure a flow rate that has passed as a rotational speed of the turbine or impeller is used in various fields.

Such a turbine flowmeter rotates a rotating body such as a turbine or an impeller while fluid is introduced through an inlet and then discharges the fluid through an outlet.

At this time, the flow rate passing through one revolution of the rotating body is calculated in advance, and the number of revolutions of the rotating body is counted to indicate the flow rate, which refers to the amount of fluid flowing in a certain unit time, as a measurement unit such as liters or gallons. do.

By the way, in such a conventional flow meter, in addition to the basic components for measuring the flow rate, various separate components such as pipes, strainers, valves, etc. are complexly assembled to measure the flow rate, so to install the flow meter to measure the flow rate There is a problem that it takes a lot of time and effort and is inconvenient.

In addition, since the conventional flow meter has a structure in which the flow meter is composed of one pipe that communicates with each other, fluid cannot be continuously supplied when the pipe is closed due to a failure of parts, and since the pipe is composed of one, two types There is a problem that the fluid of the can not be supplied at the same time.

The object of the present invention, devised in view of the above, is to be connected to one side of a storage device for receiving and storing fluid to accurately measure the flow rate of the fluid flowing into the storage device, and to connect the flow meter, filter, differential pressure gauge and valve The same parts are configured to be modularized so that the flow rate can be measured by connecting them to the storage device quickly and easily. It is to provide a flow rate meter capable of continuously supplying fluid.

A flow meter for achieving the object of the present invention as described above is a flow meter connected to a connection pipe of a fluid storage device to measure the amount of fluid supplied to the storage device, provided at one end and selectively on one side. An inlet pipe having a first valve that can be opened and closed and connected to a supply device for supplying fluid; a strainer connected to the rear end of the inlet pipe to filter the supplied fluid; a flow meter provided at the rear end of the strainer to check the amount of fluid supplied; an outflow pipe provided at the other end, connected to the connection pipe of the storage device, and provided with a second valve that can be selectively opened and closed at one side to supply fluid passing through the flow meter; An auxiliary pipe having one end connected to one side of the strainer and the other end connected to a pipe between the flowmeter and the outlet pipe; characterized by including

Here, the auxiliary pipe is formed in a 'c' shape as a whole, and a three-way valve is installed at a vertex region of the auxiliary pipe adjacent to the strainer so that the auxiliary pipe and the strainer are selectively connected, and one side of the three-way valve An external piping connected to the outside can be installed.

Further, a separate opening/closing valve may be installed at a vertex region of the auxiliary pipe close to the flowmeter to selectively connect the auxiliary pipe and the outflow pipe.

In addition, the inlet pipe, the strainer, the flow meter, and the outlet pipe may be provided to be modularized and integrally connected to each other.

In addition, a differential pressure gauge may be installed at the rear end of the strainer to compare the pressure supplied with the fluid and the pressure after the fluid passes through the strainer to determine the degree of clogging of the filter provided inside the strainer.

In addition, a separate stop valve capable of quickly stopping the supply of fluid in an emergency may be installed at the front end of the outlet pipe.

In addition, the first valve may be configured as a pneumatic valve having a limit switch installed on one side so that the degree of opening and closing can be controlled by the flow rate of the supplied fluid.

In addition, a separate junction box may be provided to supply power to the limited switch so that the limited switch operates.

As described above, the flow rate meter according to the present invention is connected to one side of a storage device for receiving and storing fluid, so that the flow rate of the fluid flowing into the storage device can be accurately measured.

In addition, components such as a flowmeter, a filter, a differential pressure gauge, and a valve are configured to be modular, so that flow rate can be measured by quickly and easily connecting to a storage device.

Also, if necessary, two types of fluids can be simultaneously supplied, or when the pipe is closed due to a failure, the fluid can be continuously supplied using an auxiliary pipe.

1 is a side view showing a structure viewed from the side of a flow meter according to an embodiment of the present invention,
2 is a plan view showing a structure looking down at a flow rate meter according to an embodiment of the present invention.

Hereinafter, a flow meter according to an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a side view showing a structure viewed from the side of a flow meter according to an embodiment of the present invention, Figure 2 is a plan view showing a structure looking down at the flow meter according to an embodiment of the present invention.

As shown in these figures, the flow meter according to one embodiment of the present invention is a flow meter connected to the connection pipe of the fluid storage device to measure the amount of fluid supplied to the storage device, provided at one end. and an inlet pipe 100 having a first valve 110 that can be selectively opened and closed on one side and connected to a supply device for supplying fluid; A strainer 200 connected to the rear end of the inlet pipe 100 to filter the supplied fluid; a flow meter 300 provided at a rear end of the strainer 200 to check the amount of fluid supplied; An outlet pipe 400 provided at the other end to be connected to the connection pipe of the storage device and provided with a second valve 410 that can be selectively opened and closed on one side so that the fluid passing through the flowmeter 300 is supplied. However, the inlet pipe 100, the strainer 200, the flowmeter 300, and the outlet pipe 400 are modularized and characterized in that they are provided to be integrally connected to each other.

The flow meter according to the present invention is connected to a supply device such as a tank lorry to measure the amount of fluid supplied when entering or leaving oil such as gasoline or diesel at a place such as an oil pipeline construction or a gas station, or by a set amount It is a device capable of supplying the fluid of

This flow meter consists of an inlet pipe 100, a strainer 200, a flow meter 300, and an outlet pipe 400, and they are modularized and provided to be integrally connected to each other, so that transportation or storage is convenient, and it is easy to use. There is an effect that can be quickly installed by connecting to the fluid supply device.

The inlet pipe 100 is provided at one end and has a first valve 110 that can be selectively opened and closed on one side and is connected to a supply device for supplying fluid to an inlet through which fluid flows into the flow meter of the present invention. play a role

In addition, it is effective that the first valve 110 is composed of a pneumatic valve having a limit switch 111 installed on one side so that the degree of opening and closing can be adjusted by the flow rate of the supplied fluid.

The limited switch 111 is a power drive device that is bonded to a machine or device to change an electronic circuit, and is a switch operated by any part or movement of the device. It operates so that the degree of opening and closing is controlled by the flow rate.

However, in case the limited switch 111 does not operate normally due to an error, a lever is provided on one side of the first valve 110 so that the inlet pipe 100 can be opened and closed manually using the lever. It is desirable to allow

In addition, a separate junction box 700 is provided on one side of the flow meter according to the present invention to supply power to the limited switch 111 so that the limited switch 111 operates.

The strainer 200 is connected to the rear end of the inlet pipe 100 and serves to filter the supplied fluid, and for this purpose, a separate filter is provided inside so that the foreign substances contained in the fluid are removed while the fluid passes through the filter do.

The flowmeter 300 is provided at the rear end of the strainer 200 and serves to check the amount of fluid supplied, through which the amount of fluid supplied to the storage device can be grasped or supplied to the storage device only as much as the set amount Afterwards, the fluid may be prevented from being supplied any more by an electrical method.

The outflow pipe 400 is provided at the other end and connected to the storage device connection pipe, and a second valve 410 that can be selectively opened and closed is provided at one side so that the fluid passing through the flowmeter 300 is supplied to the storage device. serves as a conduit for

In the case of the outlet pipe 400, as in the inlet pipe 100, a lever is provided on one side of the second valve 410 so that the outlet pipe 400 can be opened and closed manually using the lever. there is.

On the other hand, at the rear end of the strainer 200, the differential pressure gauge (500 ) is effective.

The differential pressure gauge 500 is a device for measuring the pressure difference between a plurality of points through which the fluid passes. In the case of the flow meter of the present invention, the differential pressure gauge 500 is installed at the rear end of the strainer 200 to By measuring the change in pressure before and after passage, the filter replacement time can be determined by determining the degree of clogging of the filter installed inside the strainer 200 .

The differential pressure gauge 500 is provided between the inlet pipe 100 and the outlet pipe 400 and is connected to one side of the flow pipe through which the fluid passes to measure the pressure of the fluid passing through the flow pipe, thereby measuring the measured pressure and the inlet pipe 100. ) to recognize the difference in pressure by comparing the initial pressure of the fluid flowing in.

In addition, a separate stop valve 600 capable of quickly stopping the supply of fluid in an emergency is installed at the front end of the outlet pipe 400, and the stop valve 600 is electrically connected to the junction box 700. so that it can be operated in case of an emergency.

The auxiliary pipe 800 has one end connected to one side of the strainer 200 and the other end connected to the pipe between the flowmeter 200 and the outlet pipe 400, so that the strainer 200 and the outlet pipe 400 It is a member that allows one end and the other end to be selectively connected to each other.

By installing such an auxiliary pipe 800, the fluid flows through the outlet pipe 400 in an emergency situation when devices such as the flow meter 300, the differential pressure gauge 500, or the stop valve 600 fail when the fluid enters the storage device. When it is impossible to introduce the fluid to be supplied using the auxiliary pipe 800 can be supplied to the storage device.

In addition, since one end of the auxiliary pipe 800 is installed to communicate with the outside, another fluid contained in the supply device must be supplied together using the end of the auxiliary pipe 800 communicating with the outside while supplying the fluid accommodated in the supply device to the storage device. There is an effect of simultaneously supplying the fluid to the storage device side.

This auxiliary pipe 800 is formed in a 'c' shape as a whole, and a three-way valve 810 is installed in the vertex region of the auxiliary pipe 800 close to the strainer 200, so that the auxiliary pipe 800 and the The strainer 200 is selectively connected, and one side of the three-way valve 810 is installed with an external pipe 820 connected to the outside.

That is, the auxiliary pipe 800 has one end connected to the strainer 200 and extended to a short length, bent at the end, extended to a long length, and then bent again so that the other end is connected to the flow meter 300 and the outlet pipe 400 It is connected to the pipe between them and is formed to have a 'c' shape as a whole.

A three-way valve 810 is installed in each of the vertex regions of the auxiliary pipe 800 adjacent to the strainer 200, which is the bent region on one side, and the apex of the auxiliary pipe 800 adjacent to the flowmeter 300, which becomes the bent region on the other side An on/off valve 830 is installed in the region.

In addition, one side of the three-way valve 810 is provided with an external pipe 820 connected to the outside, so that two types of fluid can be simultaneously supplied to the storage device through the inlet pipe 100 and the external pipe 820. .

In addition, by using the three-way valve 810, the external pipe 820 is closed, the strainer 200 and the auxiliary pipe 800 are connected, and the on-off valve 830 is opened so that the flowmeter 300 or the differential pressure gauge 400 ) or when the stop valve 600 is damaged and the pipe is blocked, the auxiliary pipe 800 may be used to supply the fluid to the storage device.

Referring to the process of operating the flow meter according to an embodiment of the present invention having such a configuration is as follows.

First, when oil such as gasoline or diesel is loaded or unloaded at a place such as an oil pipeline construction or a gas station, the supply pipe provided in a supply device such as a tank lorry is connected to the inlet pipe 100 of the flow rate meter according to the present invention, and the flow measurement The outflow pipe 400 of the system is connected to the connection pipe of the storage device.

In this state, when fluid is supplied from the supply device, the fluid is introduced through the inlet pipe 100, and foreign substances included in the fluid are removed while the introduced fluid passes through the strainer 200.

At this time, the first valve 110 is operated according to the flow rate at which the fluid is introduced by the pneumatic valve, which is the first valve 110 provided on one side of the inlet pipe 100, and the degree of opening and closing of the inlet pipe 100 is automatically controlled. will be regulated by

If the first valve 110 malfunctions or does not operate due to a failure, the degree of opening and closing of the inlet pipe 100 may be manually adjusted using a lever provided on the first valve 110.

The pressure of the fluid passing through the strainer 200 is measured again while passing through the differential pressure gauge 500. The difference between the pressure measured by the differential pressure gauge 500 and the pressure measured when the fluid is initially supplied is compared to ensure that the pressure is the same. In this case, it is determined that the filter provided in the strainer 200 is in a normal state, and when the pressure measured by the differential pressure gauge 500 is significantly lower than the initially measured pressure, it is determined that the filter is in an abnormal state and the filter is replaced recognize that it is

The fluid that has passed through the differential pressure gauge 500 passes through the outlet pipe 400 and is stored in the storage device. In an emergency, a separate stop valve 600 provided at the front end of the outlet pipe 400 is used to Allows the operation of the flow meter to be stopped.

On the other hand, when it is necessary to simultaneously supply other fluids, such as oil, to the storage device, adjust the three-way valve 810 to supply them through the external pipe 820 in communication with the auxiliary pipe 800 prepared separately. In a state in which the 820 and the auxiliary pipe 800 are connected, other fluids to be supplied can be supplied to the storage device through the external pipe 820.

And, if the flow meter 300, the differential pressure gauge 500, or the stop valve 600 fails when the fluid is introduced into the storage device, a situation in which the fluid cannot be introduced through the outlet pipe 400 in an emergency situation. When this occurs, the fluid to be supplied can be continuously supplied to the storage device using the auxiliary pipe 800.

The flow meter according to an embodiment of the present invention having the configuration described above is connected to one side of a storage device for receiving and storing fluid so that the flow rate of the fluid flowing into the storage device can be accurately measured, and the flow meter and the filter And components such as a differential pressure gauge and a valve are configured to be modularized so that flow rate can be measured by quickly and easily connecting to a storage device.

Since the above has only been described with respect to some of the preferred embodiments that can be implemented by the present invention, as noted, the scope of the present invention should not be construed as being limited to the above embodiments, and the scope of the present invention described above It will be said that the technical idea and the technical idea together with the root are all included in the scope of the present invention.

100: inlet pipe 110: first valve
111: limited switch 200: strainer
300: flow meter 400: outflow pipe
410: second valve 500: differential pressure gauge
600: stop valve 700: junction box
800: auxiliary pipe 810: three-way valve
820: external piping 830: on-off valve

Claims (8)

As a flow meter connected to the connection pipe of the fluid storage device to measure the amount of fluid supplied to the storage device,
An inlet pipe 100 provided at one end and having a first valve 110 that can be selectively opened and closed on one side and connected to a supply device for supplying fluid;
A strainer 200 connected to the rear end of the inlet pipe 100 to filter the supplied fluid;
a flow meter 300 provided at a rear end of the strainer 200 to check the amount of fluid supplied;
an outlet pipe 400 provided at the other end, connected to the connection pipe of the storage device, and provided with a second valve 410 selectively opened and closed at one side to supply fluid passing through the flow meter 300;
An auxiliary pipe 800 having one end connected to one side of the strainer 200 and the other end connected to a pipe between the flowmeter 300 and the outlet pipe 400; include,
The auxiliary pipe 800 is formed in a 'c' shape as a whole, and a three-way valve 810 is installed in the vertex region of the auxiliary pipe 800 close to the strainer 200 to The flow meter characterized in that the strainer 200 is selectively connected, and one side of the three-way valve 810 is installed with an external pipe 820 connected to the outside. delete According to claim 1,
A separate on-off valve 830 is installed at the apex of the auxiliary pipe 800 close to the flowmeter 300 to selectively connect the auxiliary pipe 800 and the outlet pipe 400. measuring instrument. According to claim 1,
The inlet pipe 100, the strainer 200, the flow meter 300, and the outlet pipe 400 are modularized and integrally connected to each other, characterized in that provided. According to claim 1,
A differential pressure gauge ( 500) is a flow meter, characterized in that installed. According to claim 4,
A flow meter, characterized in that a separate stop valve 600 is installed at the front end of the outlet pipe 400 to quickly stop the supply of fluid in an emergency. According to claim 1,
The first valve 110 is a flow meter, characterized in that composed of a pneumatic valve that has a limit switch 111 installed on one side so that the degree of opening and closing can be adjusted by the flow rate of the supplied fluid. According to claim 7,
A flow meter characterized in that a separate junction box 700 is provided to supply power to the limited switch 111 so that the limited switch 111 operates.

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