KR101038500B1 - Wireless checking apparatus for butterfly valve's open degrees - Google Patents

Abstract

PURPOSE: A wireless monitoring apparatus for the opening and closing state of a butterfly valve is provided to obtain data about the opening degree of a disc of a butterfly valve from the outside of a manhole by transmitting the data to an external wireless communication terminal. CONSTITUTION: A wireless monitoring apparatus for the opening and closing state of a butterfly valve comprises a rotating body(3), a sensor unit(5), a transmission unit(4), and a receiving terminal. The rotating body comprises a bolt part(32) which is thread-coupled to an end of an auxiliary rotary shaft(24) and a sensing terminal(34) which is rotated together with the auxiliary rotary shaft. The sensor unit is located on the inner surface of a cover(23), separate from the rotating body, and approaches the sensing terminal to measure the rotation angle. The transmission unit transmits measured data to outside by wireless. The receiving terminal computes the data and display data on a display window so that a user can recognize the opening of the butterfly valve.

Description

WIRELESS CHECKING APPARATUS FOR BUTTERFLY VALVE'S OPEN DEGREES}

The present invention relates to a wireless confirmation device of the open / closed state of a butterfly valve, and more particularly, to measure the disk opening rate of a butterfly valve installed in a manhole, and to transmit the measured data to an external portable terminal by a wireless data transceiver. It is related to a wireless check device of the open and close state of the butterfly valve that allows the operator to easily check the open and close state on the ground without having to enter the manhole by sending it to the screen.

In general, a butterfly valve (butterfly valve) is used to supply and cut a variety of water, usually a disk-shaped disk is assembled into the shaft inside the round body to open and close the flow path of the valve.

Conventional butterfly valves, the rotary shaft is formed on both sides of the disk having a function of supplying and cutting various kinds of water by rotating the angle 90 ° in the valve seat inside the body is coupled to the inside of the valve body.

6 is a cross-sectional view showing the configuration of a conventional butterfly valve, the butterfly valve (1) has a function of supplying and cutting various kinds of water by rotating at a 90 ° angle in the valve seat inside the body (2) Inner end portions of the main rotating shaft 20 and the auxiliary rotating shaft 30 are fixed to both sides of the center surface of the disk 10 and fixed with a fixing pin 13 and an auxiliary fixing pin 14.

And each outer end of the main shaft 20 and the auxiliary rotary shaft 30 is arranged in the main shaft bearing portion 4 and the auxiliary shaft bearing portion 5 formed on both sides of the body (2), the outer of the main rotary shaft 20 The end is coupled to the reduction device 7 to receive the rotational force of the drive shaft, the outer end of the auxiliary rotary shaft 30 is sealed by the cover 8 is installed firmly.

At this time, between the main rotating shaft 20 and the main shaft bearing portion 4 and the auxiliary rotating shaft 30 and the auxiliary bearing portion 5 is combined with a waterproof member 40 for maintaining airtightness, the waterproof member 40 is It is well known that V-packing and adapters are configured.

In addition, the outer periphery of the disk 10, the sealing 11 is coupled by packing, the sealing 11 is installed while maintaining the inner periphery and airtight of the valve seat, the disk 10 is rotated vertically When it does, it completely blocks the flow of water.

On the other hand, in the conventional butterfly valve, when installed inside the manhole, that is, the basement, in order to check the opening and closing degree of the valve, the operator enters into the manhole and visually checks the open and closed states attached to the side of the reducer 7. After checking whether the disc 10 is opened or closed, there is a problem that it is inconvenient and time-consuming to check the open and close state of the butterfly valve one by one.

The present invention has been devised to solve the above-described problems, and the sensor measures the opening rate of the disk embedded in the valve, and then transmits the measured data to an external wireless communication terminal through the transmitter. The purpose of the present invention is to provide a wireless check device for the open / closed state of the butterfly valve, which enables the operator to check the opening and closing rate of the disc without opening the manhole in a percentage value so that work can be done conveniently and quickly. have.

Wireless confirmation device of the open and close state of the butterfly valve according to the present invention for solving the above problems, the center of the disk having the function of supplying and cutting various kinds of water by the rotational movement at a 90 ° angle in the valve seat inside the body The main rotating shaft and the auxiliary rotating shaft is formed on both sides of the surface is coupled to the body, and each outer end of the main rotating shaft and the auxiliary rotating shaft is installed in the butterfly valve coupled to the main shaft and the auxiliary shaft formed on both sides of the body, The bolt part is screw-mounted to an end of the auxiliary rotary shaft arranged in the auxiliary bearing unit, and a sensing terminal is formed to be rotated integrally with the auxiliary rotary shaft, and is disposed on the inner surface of the cover to be spaced apart from the rotary body. A sensor unit measuring a rotation angle in close proximity to the sensing terminal, and mounted on an outer side of the cover to measure data measured by the sensor unit And a receiving unit which receives the data transmitted from the transmitting unit and receives the data transmitted from the transmitting unit, calculates it, and displays it on the display window so that the ground operator can recognize the opening and closing of the butterfly valve through the display window. It is characterized by.

The sensor unit corresponds to the rotating body and is a ring-shaped position sensor, characterized in that the sensing section is formed on the outside close to the sensing terminal.

The transmitter includes a battery provided on the inner bottom of the main body; A converter mounted in the main body and connected to the battery and converting data measured by a sensor unit into a digital signal; A power supply mounted in the main body to stably maintain power of the battery; A first operation unit calculating a digital signal of the converter; A first display window displaying the value calculated by the first calculation unit as a recognizable number; And a wireless module for wirelessly transmitting the calculation value of the first calculation unit to an external receiving terminal.

It is characterized in that it further comprises an auxiliary power supply connected to the power supply and installed inside the manhole.

The auxiliary power supply is connected to the power supply and is installed in the manhole, the case is connected to the power supply and a power line; It includes a battery provided inside the case, it characterized in that the replacement of the battery.

The receiving terminal may include a main body having a battery pack and having a predetermined size therein and having a space therein; A wireless module for receiving data wirelessly transmitted from the transmitter; A second calculator configured to calculate data received from the wireless module; A second display window for expressing the calculated data of the second operation unit as a number; A power supply for supplying power to the second operation unit; It characterized in that it comprises an external interface formed with a port for connecting an external input means.

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According to the wireless confirmation device of the butterfly valve open and close state of the present invention, by opening the transmission rate data of the disk embedded in the butterfly valve to the external wireless communication terminal through the transmission device, without the operator from entering the manhole from the outside By opening and closing the disk and the opening rate can be confirmed by the percentage value, the work can be made conveniently and quickly.

1 is a block diagram showing a butterfly valve applied to the present invention,
2 is an enlarged view of a portion A of FIG. 1;
3 is a front view showing the "sensor part" of FIG.
4 is a view showing a "transmitter" of the butterfly valve applied to the present invention,
5 is a view showing a "receiving terminal part" of the butterfly valve applied to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the open and close state wireless confirmation device of the butterfly valve according to the present invention.

Embodiments of the present invention can be modified in various forms, the same members in each drawing are denoted by the same reference numerals, and detailed descriptions of well-known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention are omitted. It should be noted that

1 is a configuration diagram showing a butterfly valve applied to the present invention, Figure 2 is an enlarged view of the portion A of Figure 1, Figure 3 is a front view showing the "sensor portion" of Figure 2, Figure 4 FIG. 5 is a diagram showing a transmitting unit, and FIG. 5 is a diagram showing a receiving terminal.

As shown in FIG. 1, the butterfly valve 2 is rotated at an angle of 90 ° in a valve seat in the body 28 to supply and cut water in the center of the disk 26. The main rotary shaft 21 and the auxiliary rotary shaft 24 are formed on both sides of the surface and are coupled to the body 28, and each outer end of the main rotary shaft 21 and the auxiliary rotary shaft 24 is provided at both sides of the body 28. The main shaft shaft 281 and the auxiliary shaft shaft 282 are formed in the main shaft shaft 21, the driving unit 22 for providing a rotational force is coupled.

The wireless confirmation device of the open / closed state of the butterfly valve according to the present invention is installed in a conduit embedded in the manhole 100 to one side of the auxiliary bearing part 282 of the butterfly valve 2 for controlling the flow of fluid. A transmitter 4 mounted; It comprises a receiving terminal (6) receiving data from the transmitter (4) and carried by workers on the ground.

And an auxiliary power supply 7 installed inside the manhole 100 to supply power to the transmitter 4.

In addition, the bolt portion 32 is screwed to the end of the auxiliary rotary shaft 24 installed in the auxiliary bearing portion 282 and the sensing terminal 34 is formed to rotate integrally with the auxiliary rotary shaft 24 (3) The sensor unit 5 is mounted on the inner surface of the cover 23 and is spaced apart from the rotating body 3 and close to the sensing terminal 34 to measure the rotation angle.

2 and 3, the sensor unit 5 is a ring-shaped position sensor having the same diameter as the rotating body 3, and is attached to the outside through the through hole of the cover 23 (4) is connected with a cable.

In particular, the sensing section 52 is formed on the outside close to the sensing terminal 34, considering the rotation angle of the disk 26 is 0 ° ~ 90 ° intervals due to the operating characteristics of the butterfly valve (2) 52) is preferably formed in a quarter of the total circumference so as to have a distance of 0 to 90 degrees.

Therefore, since the magnetic is inserted into the sensing terminal 34, when the disk 26 rotates it can recognize the angle according to the change of the magnetic force through the sensing section 52.

The transmitter 4 is attached to the outside of the cover 23 to receive the data measured by the sensor unit 5 to transmit it to the outside wirelessly.

As shown in FIG. 4, the transmitter 4 includes a main body 40 having a predetermined size and a space formed therein; A battery 41 provided on an inner bottom surface of the main body 40; A converter 42 mounted in the main body 40 and connected to the battery 41 and converting data measured by the sensor unit 5 into a digital signal; A power supply 43 mounted in the main body 40 to stably maintain power of the battery 41; A first calculation unit 44 for calculating the digital signal of the converter 42; A first display window 45 expressing a value calculated by the first operation unit 44 as a recognizable number; And a wireless module 46 for wirelessly transmitting the calculated value of the first operator 44 to an external receiver terminal 6.

The battery 41 may be a disposable or rechargeable rechargeable battery, but in order to achieve an ultra-thin structure, a commercially available round thin lithium ion battery is preferable.

Meanwhile, when the battery 41 built in the main body 40 is exhausted, it is cumbersome to replace the battery 41, and thus the auxiliary power supply 7 is further provided to open the manhole 100 from the outside and quickly supply power.

The auxiliary power supply unit 7 is connected to the power supply 43 and is installed inside the manhole 100, and is connected to the power supply 43 by a power line; It includes a battery provided inside the case.

Of course, the battery of the auxiliary power supply 7 is preferably to be replaced.

The converter 42 is preferably an AD converter for converting an analog value into a digital value.

Therefore, since the value for the rotation angle of the disk 26 measured by the sensor unit 5 is an analog value, it is converted into a digital value.

The first operation unit 44 calculates the digital value transmitted from the converter 42 and converts the open / close state of the butterfly valve 2 into a percentage to display on the display window. The error rate should be within ± 3%.

The wireless module 46 wirelessly transmits data transmitted from the first operation unit 44 to an external receiving terminal unit 6, and a 2.4 GHz antenna 462 is mounted outside.

Specifically, the wireless module 46 is a Zigbee 2.4 GHz wireless transceiver.

The receiving terminal 6 receives the data transmitted from the transmitting unit 4, calculates it, and displays it on the second display window 63 so that a worker on the ground opens the butterfly valve 2 through the second display window 63. The opening and closing rate of can be recognized as a percentage.

As shown in FIG. 5, the receiving terminal unit 6 includes: a main body 60 having a battery pack 66 and having a predetermined size and having a space therein; A radio module (61) for receiving data wirelessly transmitted from the transmitter (4); A second calculator 62 for calculating data received by the wireless module 61; A second display window 63 for expressing the calculated data of the second operation unit 62 with numbers; A power supply 64 for supplying power to the second operation unit 62; It is configured to include an external interface 65 formed with a port for connecting an external input means.

The wireless module 61 wirelessly transmits data transmitted from the second operation unit 62 to an external receiving terminal unit 6, and a 2.4 GHz antenna 612 is mounted outside.

Specifically, the wireless module 61 is a Zigbee 2.4GHz wireless transceiver.

The second operation unit 62 is preferably a RISC processor of ARM company, but is not necessarily limited thereto.

The communication between the wireless modules 46 and 61 of the transmitter 4 and the receiver 6 is a short range wireless sensor network, based on Zigbee.

Zigbee is a technology that enables short-range wireless communication of about 10 to 20 meters in homes and offices.Zigbee's technology and other features mean that a small amount of information is communicated instead of minimizing power consumption.

It features low power, small size and low cost, and it can connect nodes at speeds of 250 kbps within a 10-20 m radius based on IEEE802.15.4.

In dual PHY mode, the frequency band uses 2.4GHz, 868 / 915MHz, modem (DS-SS), and data transmission speed is 20 ~ 250kbps.

These ZigBee technologies are widely applied in intelligent home networks, building and industrial equipment automation, logistics, environmental monitoring, human interfaces, and various ubiquitous computing environments.

In addition to the wireless module 61, an Ethernet module 67, which is a communication protocol of a local area network, is also provided.

In addition, history information such as the year of manufacture of valves, specifications, nominal pressures, rotational speeds, manufacturers, and the like are stored, and a memory device is provided to store data on opening / closing operations of the valves every hour.

The memory device is composed of a flash memory 68 and a DDR memory 69.

And the external interface 65 includes a port for connecting input means such as USB, communication cable.

Referring to the operating relationship of the present invention configured as described above are as follows.

The butterfly valve 2 is installed in the conduit in the manhole 100, and the transmission part 4 and the sensor part 5 are mounted in the auxiliary bearing part 282 of the valve body 28.

On the other hand, the auxiliary power supply 7 is installed at an appropriate position inside the manhole 100 so as to supply power to the transmitter 4 auxiliary, and is connected to the transmitter 4 by a power line.

Then, the worker on the ground turns on the receiving terminal 6 and attempts a wireless connection with the transmitting unit 4.

When the wireless connection is normally established, the data transmitted from the transmitter 4 is downloaded, calculated by the second calculator 62, and displayed as a percentage value through the second display window 63.

Therefore, the opening ratio of the butterfly valve 2 can be confirmed through the second display window 63 of the receiving terminal 6, so that the operator does not have to enter the manhole and visually check the opening and closing state of the butterfly valve. This can be greatly improved, and convenience can be increased.

On the other hand, the data stored in the memory device of the receiving terminal 6 is downloaded to the computer of the headquarters using a USB or a communication cable connected to the external interface 65 to construct, maintain, manage, edit, analyze, display, and display various geographic information. By going through the process of output, etc., you can get spatial information and help to make a decision.

That is, the data stored in the receiving terminal 6 can be usefully used to build a geographic information system (GIS).

In addition, although not shown, the present invention may be applied to a check valve installed in a conduit in the manhole 100 in addition to the butterfly valve described above.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be readily apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, all such modifications and modifications being attached It is obvious that the claims belong to the claims.

2: butterfly valve 3: rotor
4 transmitter 5 sensor
6: receiving terminal 7: auxiliary power supply
21: main shaft 22: drive unit
23: cover 24: auxiliary rotating shaft
26: disk 28: body
32: bolt part 34: sensing terminal
40, 60: body 41: battery
42: converter 43, 64: power splice
44: first operation unit 45: the first display window
46, 61: wireless module 52: sensing section
62: second operation unit 63: second display window
65: external interface 66: battery pack
67: Ethernet module 100: manhole
281: main shaft bearing 282: auxiliary shaft bearing
462, 612: antenna

Claims (5)

The inner end portions of the main rotating shaft 21 and the auxiliary rotating shaft 24 are fixed to both sides of the center surface of the disk 26 which rotates at a 90 ° angle within the valve seat inside the body 28 of the valve. 21 and the outer end of the auxiliary rotary shaft 24 is installed in the main shaft bearing portion 281 and the auxiliary bearing portion 282 formed on both sides of the body 28, the outer end of the main rotary shaft 21 is connected to the drive unit In the conventional butterfly valve that the disk 26 is rotated by the rotation of the drive unit to supply and cut various water,
The rotor 32 is screw-mounted to the end of the auxiliary rotary shaft 24 arranged in the auxiliary bearing portion 282 and the sensing terminal 34 is formed to rotate integrally with the auxiliary rotary shaft 24 (3) and,
A sensor unit 5 positioned to be spaced apart from the rotating body 3 and mounted on an inner surface of the cover 23 and measuring a rotation angle in proximity to the sensing terminal 34;
A transmitter 4 mounted on an outer side of the cover 23 and receiving data measured by the sensor unit 5 and transmitting the data wirelessly to the outside;
Receiving terminal part 6 which receives the data transmitted from the transmitter 4, calculates it, and displays it on the display window 63 so that an operator on the ground can recognize the opening and closing of the butterfly valve 2 through the display window 63. Wireless confirmation device of the open and close state of the butterfly valve, characterized in that comprises a). The method of claim 1,
The sensor unit 5 corresponds to the rotating body 3 and is a ring-shaped position sensor, and an opening and closing of a butterfly valve, characterized in that a sensing section 52 is formed on the outside and close to the sensing terminal 34. Status wireless checker. The method of claim 1,
The transmitter 4 includes a battery 41 provided on the inner bottom surface of the main body 40; A converter 42 mounted in the main body 40 and connected to the battery 41 and converting data measured by the sensor unit 5 into a digital signal; A power supply 43 mounted in the main body 40 to stably maintain power of the battery 41; A first calculation unit 44 for calculating the digital signal of the converter 42; A first display window 45 expressing a value calculated by the first operation unit 44 as a recognizable number; Wireless identification device of the butterfly valve, characterized in that it comprises a wireless module (46) for wirelessly transmitting the calculated value of the first operation unit (44) to the external receiving terminal (6). The method of claim 3,
An auxiliary power supply 7 connected to the power supply 43 and installed in the manhole 100 is included.
The auxiliary power supply unit 7 is connected to the power supply 43 and is installed inside the manhole 100, and is connected to the power supply 43 by a power line; And a battery provided in the case, and wirelessly checking the opening and closing state of the butterfly valve, characterized in that the replacement of the battery. The method of claim 1,
The receiving terminal 6 includes a battery pack 66, the body 60 having a predetermined size and having a space therein; A radio module (61) for receiving data wirelessly transmitted from the transmitter (4); A second calculator 62 for calculating data received by the wireless module 61; A second display window 63 for expressing the calculated data of the second operation unit 62 with numbers; A power supply 64 for supplying power to the second operation unit 62; Wireless identification device of the butterfly valve, characterized in that it comprises an external interface (65) having a port for connecting the external input means.

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