KR100606635B1 - Movable Watermeter Inspection Equipment - Google Patents

Abstract

The present invention relates to a mobile inspection device of a water meter, in particular, small and medium, small and small cities capable of flow inspection, pressure-tightness test, etc., mobile installation or mobile operation is not equipped with a test chamber equipped with the test equipment of water meter And it relates to a portable inspection device that can be used inexpensive and convenient in the required place.

According to the present invention, the existing water meter inspection equipment is largely complicated to overcome the limitation that the rapid inspection could not be performed due to limitation of installation space, delay of inspection time, high cost and inefficiency in operation, regardless of place and time. To ensure reliable inspection, the water from the recovery tank is recovered again from the constant pressure tank under constant pressure by the constant pressure booster pump, through the water meter that the water is to be inspected, and then through the reference area flow meter and the reference volume meter via the reference electromagnetic flow meter. The control panel is installed to configure the line leading to the tank, and to check and control the oil pressure and flow rate including the constant pressure booster pump, the water meter, the reference electromagnetic flow meter, the reference area flow meter, and the reference volume meter. Along with the inspection, the connecting line before and after the installation of the water meter includes a pressure gauge and And to install the device so as to be separate from the internal pressure tightness test.

Water meter, inspection, pressure proof test

Description

Mobile Water Meter Inspection Equipment {Movable Watermeter Inspection Equipment}

1 is a perspective view as a preferred example of the present invention;

2 is a partially cutaway front view of FIG. 1;

Figure 3 is a schematic diagram for explaining the configuration and operation of the present invention.

<Explanation of symbols for the main parts of the drawings>

1: recovery tank, 2: constant pressure booster pump,

3: constant pressure tank, 4: meter mounting part,

5: reference electromagnetic flowmeter, 6: reference area flowmeter,

7: reference volume meter, 8: control panel,

9: mobile stand, 10: handle,

40: water meter, 41, 42: front and rear connection lines,

43, 44, 61, 62, 63, 70, 72: on-off valve, 45: pressure gauge,

46: pressurization device, 64, 65, 66: line

90: movable wheel, 92: fixed installation leg,

94: table

The present invention relates to a mobile inspection device of a water meter, in particular, small and medium, small and small cities capable of flow inspection, pressure-tightness test, etc., mobile installation or mobile operation is not equipped with a test chamber equipped with the test equipment of water meter And it relates to a portable inspection device that can be used inexpensive and convenient in the required place.

In the related art, the inspection equipment for the water meter is disclosed in Korean Utility Model Publication No. 1993-0002776, Domestic Patent Publication No. 1995-0001869, Korean Patent Publication No. 2002-0072420, and the like. The production is focused on the form of test analysis centered on large-scale delivery inspection, which requires a large number of facilities, and there are many large laboratory types mainly in large cities, due to the large number of places, power, and budget required to install and maintain them. The situation is being operated.

Therefore, in most small and medium cities that do not have such a laboratory, they cannot carry out the civil affairs related to the inspection of water meters, so they have to send them to a laboratory in a large city located at a remote location to perform civil affairs. It was very time consuming and it was a wasteful factor because it required a lot of people and effort or expense to perform such a task. Especially, since the complaint process cannot be directly verified, the reliability of the test results is greatly reduced. It is occurring.

Moreover, in the case of the reference flowmeter for inspecting the water meter, since a single reference flowmeter is mainly adopted, if an abnormality occurs in the reference flowmeter, it leads to an error on the test value, which reduces the reliability of the test. In the case of the uncomfortable to be performed by using a separate test equipment, there is also a disadvantage that is inconvenient to use even in the case of the inspector because all the inspection process is made manually.

According to the present invention, the existing water meter inspection equipment is oversized and complicated to overcome the limitations due to the limitation of the installation space, the delay of the inspection time, the high cost of operation and the inefficiency, and the place and time. In order to enable reliable inspection without receiving water, the constant pressure water is introduced from the constant pressure tank, which maintains the constant pressure state by the constant pressure booster pump, and goes through the water meter to be tested. Comprising a line from the area flow meter or the reference volume meter to the recovery tank, the hydraulic pressure, flow rate, including the constant pressure booster pump, the water meter, the reference electromagnetic flow meter, the reference area flow meter and the reference volume meter Inspection of water meter by installing control panel to check and control the count Possible, and also the installation portion before the meter, after including an on-off valve yen connection line and to allow the internal pressure tightness test by installing a pressure gauge and a pressure device separately.

The present invention has been made in order to solve such a conventional problem has the following object.

The main object of the present invention is to reduce the overall weight or size, simplify the structure of the equipment, increase the operational reliability, increase the ease of use, and enable the mobile installation or mobile operation to easily move to the required place to inspect the water meter or It is intended to enable the installation and operation in small and medium cities by lowering the manufacturing cost.

Another object of the present invention is to enable the installation and operation in most small and medium cities that do not have such a laboratory to solve the inconvenience of having to carry out the civil affairs work to send to the laboratory of a large city in a long distance in the past and time and personnel It is to improve the reliability of the test results by allowing the civil complaints to directly check the inspection process if necessary while preventing waste.

Another object of the present invention is to install a reference flowmeter for inspecting the water meter over several paths, so that even if any one of the abnormality occurs, it is possible to check this and immediately take action to increase the reliability of the test, if necessary It is intended to ensure more convenient use of the inspector by enabling the pressure-tightness test to be carried out using the parallel equipment, and by checking the inspection process in a non-manual manner.

In order to achieve the above objects, the present invention includes a constant pressure tank for introducing water in a recovery tank and maintaining a constant pressure state by a constant pressure booster pump; A meter installation unit configured to install water through a front and rear lines of the water meter to be inspected by receiving water in a constant pressure state from the constant pressure tank; A reference electron flow meter connected to and installed through the meter installation unit; A reference area flow meter connected to and installed via the reference electron flow meter; A reference volume meter connected to and installed through the reference area flow meter; And a recovery tank connected to and installed through the reference volume meter, wherein the hydraulic pressure, flow rate, including the constant pressure booster pump, the water meter, the reference electron flow meter, the reference area type flow meter, and the reference volume meter, A separate control panel is installed to enable check and control of the count, and the recovery tank, the constant pressure tank, the meter installation unit, the reference electromagnetic flowmeter, the reference area type flowmeter, the reference volume meter, and the connection therewith Provided is a mobile inspection device for a water meter, including a line, installed on a mobile mount.

In addition, there is provided a portable inspection device of a manual weighing instrument, which is provided with a pressure gauge and a pressurizing device separately including an on-off valve on the connecting line before and after the meter installation unit to enable a pressure resistance leak test.

In addition, the reference area flowmeters are divided in accordance with the capacity of the plurality of valves are installed in parallel on the line on which each open and close valve is installed, the reference volume meter of the water meter which is installed in parallel or in series respectively in accordance with the capacity A mobile inspection device is provided.

Next, the inspection apparatus of the present invention made as described above will be described in detail with reference to a preferred embodiment.

As illustrated in FIGS. 1 to 3, the inspection apparatus according to the present invention includes: a constant pressure tank 3 for introducing water into the recovery tank 1 and maintaining a constant pressure state by the constant pressure booster pump 2; A meter installation unit (4) for installing the water meter (40) to be inspected by receiving water in a constant pressure state from the constant pressure tank (3) via the front and rear connection lines (41, 42), respectively; A reference electromagnetic flow meter 5 connected to and installed through the meter installation unit 4; A reference area type flow meter 6 connected to and installed via the reference electron flow meter 5; A reference volume meter (7) connected and installed via the reference area flow meter (6); And the recovery tank 1 connected to and installed through the reference volume meter 7, wherein the constant pressure booster pump 2, the water meter 40, the reference electron flow meter 5, and A separate control panel 8 is installed to check and control the hydraulic pressure, flow rate, and count including the reference area flow meter 6 and the reference volume meter 7, and the recovery tank 1 and the These configurations include a constant pressure tank (3), the meter installation unit (4), the reference electromagnetic flow meter (5), the reference area flow meter (6), the reference volume meter (7) and a line connecting them to each other. It is made by installing on the movable mount (9).

In this case, in the case of the movable mount 9, the movable wheel 90 and the fixed installation leg 92 are respectively installed at the lower portion, and the recovery tank 1 and the constant pressure booster pump 2 are installed at the inner side. On the table 94 of (9), the positive pressure tank 3, the reference electromagnetic flowmeter 5, and the meter installation part 4 can be provided, and the handle 10 can be provided on one side.

In addition, the pressure gauge 45 and the pressurizing device 46 may be separately installed at the front and rear connection lines 41 and 42 of the meter installation part 4 to include the on / off valves 43 and 44. To be done.

In addition, a plurality of the reference area flow meter (6) is installed in parallel on the line (64, 65, 66), each of the on-off valves (61, 62, 63) is installed in accordance with the capacity, the reference part According to (7), a plurality of them are installed in parallel or in series, respectively.

At this time, if necessary, the computer and peripheral devices are connected to each other in connection with the control panel 8 to install the information related to the flow rate in real time from each of the water meter 40, the flow meters 5 and 6, or the reference volume meter 7. It can be obtained by outputting or by using each data detected as an operator fee, each of the water meter 40, reference electronic flow meter (5), reference area flow meter (6), reference volume meter (7) By installing a camera on the gauge unit, the data obtained by the camera can be stored or output in the form of image data or utilized in various forms, such as utilizing to input it in the form of numerical data.

Of course, the upper part of the movable mount 9 can be provided to cover and protect the above-described various testers or to provide a separate lighting device on the upper part of the inside of the cover can be configured to be used regardless of day and night. In addition, the entire apparatus including the movable mount 9 may be installed on an upper portion of the loading box of the vehicle to ensure maneuverability more conveniently.

As reference numerals, 70 and 72 represent on-off valves, respectively.

The device of the present invention made as described above is made as follows.

First, the present invention is moved to the position or place requiring the device by using the movable wheel 90 and the handle 10 and when it reaches the correct position by using a fixed installation leg 92 mounted in a horizontal state and then the device Connect and install the power required by.

Next, the recovery tank 1 is filled with water for the test in advance or filled with water required in the field, the closing valve 43 installed in the front connection line 41 of the meter installation unit 4 is closed When the constant pressure booster pump (2) is operated in the water supply to the inside of the constant pressure tank (3) while filling it up and maintaining the required constant pressure state of the internal pressure to prepare a basic preparation for the test.

Next, the meter installation unit (4) is installed in the singular or plural meter 40 for inspection, and open and close the valve (43, 44) installed in the front and rear connection lines (41, 42) for the test inspection When the water maintaining a constant pressure is passed through the water meter 40 at a constant pressure, and then through the reference electromagnetic flow meter 5, the capacity of the opening and closing valves 61, 62, 63 of the various lines 64, 65, 66 Selecting and opening a suitable one passes through the corresponding reference area flowmeter (6), and then selects one that meets the capacity among the various reference volume meters (7) and opens the corresponding valve accordingly. After the metering is carried out in whole or in part, the water after being used is recovered to the recovery tank (1) and is repeatedly operated in the same order.

At this time, the flow rate measured and displayed in each of the water meter 40 and the flow rate measured and obtained in the reference electron flow meter 5, the reference area flowmeter 6, and the reference volume meter 7 are compared with each other. Passage of the test is determined according to whether the flow rate measurement of the water meter 40 is performed within the error range, and a test test is performed.

Of course, after the inspection is performed, the opening and closing valves 43 and 44 installed at the front and rear connection lines 41 and 42 are closed, and the water meter 40 is inspected by separating and inspecting the result of each water meter ( 40) or with separate written documents.

Next, in the case where the pressure proof test is to be performed, water is charged in the front and rear connection lines 41 and 42 in a state where the water meter 40 to be subjected to the pressure proof test is installed in the meter installation unit 4. In the closed state, the on-off valves 43 and 44 are locked, pressurized by the pressurizing device 46, pressurized until the pressure gauge 45 reaches the pressure required for the pressure-tight test, and then the required pressure is reached. If it is done by stopping the operation of the pressurizing device 46 and checking whether the internal pressure is maintained for a certain time, the test is carried out according to the test results, and after the test is performed to release the internal pressure The water meter 40 after the inspection is completed is separated.

As described above, the inventors of the present invention is to install the recovery tank (1), the positive pressure booster pump (2), the static pressure tank (3), the water meter 40 through the front and rear connecting lines (41, 42), respectively. A meter installation unit 4, a reference electromagnetic flow meter 5, a reference area flow meter 6, a reference volume meter 7, and a separate control panel 8 are installed, and the recovery tank 1 and the constant pressure tank are installed. (3), the meter mounting portion (4), the reference electromagnetic flow meter (5), the reference area flow meter (6), the reference volume meter (7) and the line connecting them to each other (9) can be achieved by dramatically improving the structure, reducing the overall weight or size, and simplify the structure of the equipment to reduce the manufacturing cost, increase the operational reliability, increase the ease of use, mobile installation It is possible to move operation and move easily to the required place You can check an amount of, it is possible to install and operate even in such a small city.

In addition, the present invention can be installed and operated in most small and medium cities that do not have a test room to solve the inconvenience of having to carry out the civil affairs work by sending to the test room of a large city in a long distance in the past. The waste of manpower can be prevented, and if necessary, the complaints can be checked directly, thereby improving the reliability of the inspection results.

Moreover, the present invention adopts the reference flowmeters (5,6) or the reference volume meter (7) at the same time to inspect the water meter, and installed over several paths so that any one of the abnormality can be confirmed and immediately take action It is possible to increase the reliability of the inspection by making it possible to perform pressure-tightness tests by using a device installed on the line, and to check the inspection process in a non-manual manner, thereby ensuring more convenient use of the inspector. It can have an excellent effect.

Claims (3)

A constant pressure tank (3) into which water in the recovery tank (1) is introduced and maintained at a constant pressure state by the constant pressure booster pump (2); A meter installation unit (4) for installing the water meter (40) to be inspected by receiving water in a constant pressure state from the constant pressure tank (3) via the front and rear connection lines (41, 42), respectively; A reference electromagnetic flow meter 5 connected to and installed through the meter installation unit 4; A reference area type flow meter 6 connected to and installed via the reference electron flow meter 5; A reference volume meter (7) connected and installed via the reference area flow meter (6); And Including the recovery tank (1) is installed via the reference volume meter (7), Check for the hydraulic pressure, flow rate, count including the constant pressure booster pump (2), the water meter 40, the reference electromagnetic flow meter (5), the reference area type flow meter (6) and the reference volume meter (7) And install a separate control panel 8 to enable control, The recovery tank (1), the constant pressure tank (3), the meter installation unit (4), the reference electromagnetic flow meter (5), the reference area type flow meter (6), the reference volume meter (7) and connected to each other Mobile inspection device for water meter, characterized in that the configuration including the line to be installed on the movable mount (9). The method of claim 1, The pressure gauge 45 and the pressurizing device 46 are separately installed on the front and rear connection lines 41 and 42 of the meter installation part 4 to enable the pressure-tightness test. Mobile inspection device of the water meter, characterized in that. The method of claim 1, The reference area flow meter (6) is provided in parallel on the line (64, 65, 66) in which each of the on-off valves (61, 62, 63) is installed in accordance with the capacity, The reference volume meter (7) is a mobile inspection device of a water meter, characterized in that a plurality of each is installed in parallel or in series according to the capacity.

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