WO2023017883A1

WO2023017883A1 - System for notifying of opening/closing of valve blocking plate

Info

Publication number: WO2023017883A1
Application number: PCT/KR2021/010916
Authority: WO
Inventors: 장재혁; 장성현
Original assignee: 장재혁; 장성현
Priority date: 2021-08-12
Filing date: 2021-08-18
Publication date: 2023-02-16
Also published as: KR102587126B1; KR20230024769A

Abstract

The present invention provides a system for notifying of the opening/closing of a valve blocking plate, the system being provided to the upper end of an actuator operating a valve, so as to firmly support a driving unit linked to the actuator, thereby preventing erroneous operation due to rotation and providing accurate information about whether the valve blocking plate is operating.

Description

Blocking plate opening and closing notification system for valves

The present invention relates to a valve blocking plate opening/closing notification system for valves provided inside a valve pipe and providing externally whether or not a valve blocking plate that opens or blocks the flow of fluid is opened or closed.

In general, piping facilities for transporting fluids have very important factors such as temperature, pressure, and flow rate control of fluids, and this is achieved by valves installed at necessary locations in piping.

These valves are devices that regulate and block the flow of fluid, and are classified by purpose, standard, material, and structure. There are large industrial valves.

Meanwhile, a valve position indicator displaying a valve position (a disc opening rate) is mounted on a valve capable of implementing an opening/closing function of connecting and blocking a flow path.

A conventional valve position indicator is interlocked with the rotational shaft of the valve and simply indicates whether the flow path of the fluid passing through the valve is opened or closed by the valve disc according to the forward and reverse rotation of the rotation shaft of the valve.

In addition, in a 3-way valve having three passages, such as a 'T' type valve or a 'Y type' valve, there is a problem in that the direction of the fluid cannot be known with the conventional valve on/off position indicator that only indicates whether the valve is open or closed. there is.

The present invention for solving the conventional problems has the following object.

An object of the present invention is to provide a blocking plate open/close notification system for a valve capable of preventing a malfunction due to rotation by firmly supporting a drive unit interlocked with an actuator.

An object of the present invention is to provide a valve blocking plate opening and closing notification system capable of accurately providing whether the valve blocking plate is operating.

The present invention for achieving the above object is installed at the top of the actuator for operating the valve, and is provided with a detection sensor fastening part, a drive unit fastening part, and a connection terminal fastening part inside, and communicates with the inside on the lower side. A lower housing provided with a wire entry and exit pipe;

Detection sensors installed as the detection sensor fastening part and provided as first and second sensors to sense the operation of the opening and closing plate operated by the actuator and transmit it to the base station;

A driving unit installed as the fastening part of the driving unit and installed such that its lower end is interlocked with the actuator to be rotated simultaneously with the actuator and the opening/closing plate to be touched by the sensor;

A connection terminal installed as the connection terminal fastening part and sensing the wire introduced through the wire entry and exit pipe and the wire connected to the detection sensor;

A dome-shaped upper housing assembled to the upper end of the lower housing;

An information providing unit provided at the upper end of the upper housing and installed to interlock with the upper part of the driving unit to guide whether the valve is opened or closed according to the rotation of the driving unit;

An opening/closing notification unit provided at an upper end of the information providing unit to visually identify whether or not the information providing unit is opened or closed by rotation of the information providing unit;

It is characterized in that it includes; a casing made of a transparent material that surrounds the information providing unit and the opening/closing notification unit and is fastened to the upper housing.

The lower end of the driving unit fastening part in which the driving unit is installed,

An assembly hole for fastening the bushing is provided so that the cam drive shaft of the driving unit can be firmly rotated, and one surface of the assembly hole is provided with an anti-rotation surface to prevent the bushing from idling.

The drive unit has a cam drive shaft that penetrates the drive unit fastening part, has a lower portion interlocked with the actuator, and an upper portion interlocked with the information providing unit;

A first eccentric cam assembled to be positioned on the same line as the first sensor and a second eccentric cam assembled to be positioned on the same line as the second sensor by the cam drive shaft;

A spring provided between the first and second eccentric cams to maintain a gap;

A first fixing ring and a second fixing ring assembled and supported by the upper end of the first eccentric cam and the lower end of the second eccentric cam;

It is characterized in that it is composed of a bushing that is assembled to the assembly hole of the driving unit fastening part and supports rotation of the cam driving shaft.

It is characterized in that a pin hole is formed by the first eccentric cam and the second eccentric cam, respectively, and a pin is fastened to the pin hole to have the same rotational force of the first and second eccentric cams.

It is characterized in that the rotation of the opening and closing notification unit is prevented by forming a key at the top of the inner side of the casing and forming and fastening a keyway at the top of the opening and closing notification unit.

As described above, the present invention has the effect of preventing malfunction due to rotation by firmly supporting the drive unit interlocked with the actuator, and thereby providing accurate information on whether the valve blocking plate is operating. there is.

1 and 2 are views for explaining a system for notifying opening and closing of a blocking plate for valves according to an embodiment of the present invention.

Figure 3 is an external view for explaining the operating state of the blocking plate opening and closing notification system for valves according to an embodiment of the present invention.

4 and 5 are diagrams for explaining internal configurations;

6 to 8 are views for explaining explosion-proof and non-explosion-proof models of the valve blocking plate opening and closing notification system according to an embodiment of the present invention.

9 to 10 are views for explaining the structure of the eccentric cam and the fixing ring of the driving unit.

11 and 12 are views for explaining another embodiment of an eccentric cam and a fixing ring of a driving unit;

13 is a diagram for explaining an assembly relationship of an information providing unit;

Figure 14 is a view for explaining the assembly relationship between the casing and the opening and closing notification unit.

15 to 16 are diagrams for explaining the structure of the casing.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In addition, the terms to be described later are terms set in consideration of functions in the present invention, and these terms may vary according to the intention or custom of the producer who produces the product, and the definitions of the terms should be made based on the contents throughout this specification.

(Example)

The valve blocking plate opening and closing notification system 100 according to the embodiment of the present invention includes a lower housing 120 installed on top of an actuator,

A detection sensor 130 coupled to the inside of the lower housing, a driving unit 140, a connection terminal 150, an information providing unit 160, an open/close notification unit 170, and a casing made of a transparent material ( 180).

The lower housing 120 is installed at the upper end of the actuator that operates the valve, and has a detection sensor fastening part 123, a driving unit fastening part 124, and a connection terminal fastening part 125 inside, A wire entry/exit pipe 126 communicating with the inside is provided at the lower side.

In addition, the first sensor 131 and the second sensor 132 installed as the detection sensor 130 and the detection sensor fastening part 123 sense the driving of the opening and closing plate operated by the actuator and transmit it to the base station. It is provided.

In addition, the drive unit 140 is installed as the drive unit fastening part 124 and has a lower end interlocked with the actuator to rotate simultaneously with the actuator and the opening/closing plate.

The driving unit 140 passes through the driving unit fastening part 124, the lower part is installed to interlock with the actuator, and the upper part is installed to interlock with the information providing unit 160. The cam drive shaft 141,

A first eccentric cam 144 assembled to be positioned in the same line as the first sensor 131 with the cam drive shaft 141 and a second eccentric cam 145 assembled to be positioned in the same line with the second sensor 132 class,

A spring (S) provided between the first and second eccentric cams to maintain a gap;

A first fixing ring 146 and a second fixing ring 147 assembled and supported by the upper end of the first eccentric cam and the lower end of the second eccentric cam;

It consists of a bushing 149 that is assembled to the assembly hole 124a of the driving unit fastening part and supports rotation of the cam driving shaft 141.

On the other hand, the connection terminal 150 is installed as a connection terminal fastening portion 125 to sense the wire introduced through the wire input/output pipe 126 and the wire connected to the detection sensor 130 .

In addition, the upper housing 110 is formed in a dome shape assembled to the top of the lower housing 120, and the information providing unit 160 is provided at the top of the upper housing 110 and is connected to the top of the driving unit 140. It is installed interlockingly and guides whether the valve is opened or closed according to the rotation of the driving unit.

And the opening and closing notification unit 170 provided at the top of the information providing unit 160 so as to visually identify whether or not it is opened or closed by rotation of the information providing unit 160, and the information providing unit 160 and the opening and closing notification unit ( 170) and a casing 180 made of a transparent material that is fastened to the upper housing 110 is provided.

On the other hand, the lower end of the driving unit fastening part 124 where the driving unit 140 is installed is provided with an assembly hole 124a for fastening the bushing so that the cam driving shaft 141 of the driving unit can be rotated firmly. One surface of (124a) is provided with an anti-rotation surface (124b) to prevent idle rotation of the bushing.

In addition, the first eccentric cam 144 and the second eccentric cam 145 are formed with

grooves

144a and 145a in which the

fixing rings

146 and 147 are assembled,

In order to prevent idle rotation of the fixing ring and the eccentric cam, the outer periphery of the

fixing rings

146 and 147 and the inner periphery of the

grooves

144a and 145a are uneven portions 146-1 and 147-1. ) (144-1) (145-1) are formed.

In addition, pin holes 144b and 145b may be formed by the first eccentric cam and the second eccentric cam, respectively, and a pin 148 may be fastened to the pinhole to have the same rotational force of the first and second eccentric cams.

A key 182 is formed at the inner top of the casing 180, and a key groove 174 is formed and fastened at the top of the opening and closing notification unit 170 to prevent rotation of the opening and closing notification unit 170.

Hereinafter, it will be described in more detail with reference to the accompanying drawings.

1 and 2 are views for explaining a system for notifying opening and closing of a blocking plate for a valve according to an embodiment of the present invention.

As shown in the drawing, the lower housing 120 is provided with a flange 122 capable of assembling the upper housing 110 with bolts, and has a storage unit 121 at the lower end, and a detection sensor is seated in the housing unit. A detection sensor fastening part 123 to be assembled is provided.

The detection sensor 130 installed in the detection sensor fastening part 123 is provided with a first sensor 131 and a second sensor 132 and is connected to a wire entering and exiting the wire withdrawal pipe 126.

Also, one of the detection sensors 130 detects the opening of the valve, and the other detects the closing of the valve.

In addition, the first sensor 131 and the second sensor 132 are provided with

switches

131a and 132a operated by rotation of the first eccentric cam and the second eccentric cam.

On the other hand, the driving unit 140 is provided with a cam driving shaft 141 having a key formed to interlock with the actuator at the lower end and a key interlocking with the information providing unit 160 at the upper end, and the cam driving shaft includes a first ,2

eccentric cams

144 and 145 are assembled.

That is, the first eccentric cam 145 is assembled in the state in which the second fixing ring 147 supporting the second eccentric cam 145 is assembled, and the first eccentric cam 144 in the state where the spring S is assembled. Assemble, and form a drive unit 140 in a state in which the first fixing ring 146 is assembled.

The spring (S) is used to buffer the vibration caused by an external force while separating the first eccentric cam and the second eccentric cam.

In addition, the first fixing ring is installed at the lower end of the first eccentric cam and used to support the first eccentric cam, and the second fixing ring is installed at the upper end of the first eccentric cam to prevent the first eccentric cam from rising. used

At this time, it is preferable that the first eccentric cam 144 is positioned on the same line as the first sensor 131 and the second eccentric cam 145 is positioned on the same line as the second sensor 132 .

And when the first eccentric cam 144 rotates the switch 131a of the first sensor 131 when the cam driving shaft rotates, the second eccentric cam preferably maintains the switch 131a of the second sensor in a shifted state.

On the other hand, the connection terminal fastening part 125 is provided with a connection terminal 150 for sensing the electric wire entering and exiting the wire input/output pipe 126 .

It is preferable that the connection terminal senses a wire from the inside of the wire from the outside.

In addition, the upper housing 110 is provided with a flange 111 so as to be assembled into a housing, a dome is integrally formed at the top, and a hole through which the cam drive shaft 141 passes is formed in the center.

Meanwhile, an information providing unit 160 is provided at the upper end of the upper housing 110, and a keyway is formed inside the upper end of the information providing unit 160 so that the upper key of the cam driving shaft 141 is inserted.

That is, when the cam driving shaft 141 is rotated, the information providing unit 160 interlocked with the cam driving shaft is rotated to provide whether the valve blocking plate is operating.

That is, the information providing unit 160 is divided into 4 parts, and a display unit is provided at each divided part, but it can be formed in text or color.

For example, divided into 4 parts, 0 to 90 degrees are closed, 90 to 180 degrees are open, 180 to 270 degrees are closed, and 270 to 0 degrees are open.

In this way, it can be displayed in text and the section can be displayed in color.

On the other hand, an opening and closing notification unit 170 is provided at the outer periphery of the information providing unit 160, and the notification unit has a 0 to 90 degree angle and a 180 to 270 degree closing portion 171, and a 90 to 180 degree angle. An opening 172 is formed at 270 to 0 degrees.

The upper end of the open/close notification unit 170 is fixed to the axis of the casing 180 to be described below.

That is, when the information providing unit 160 rotates, as the display unit is positioned at the opening 172 of the open/close notification unit 170, it is possible to visually check whether it is open or closed.

On the other hand, the flange of the upper housing 110 is provided with a casing 180 that surrounds and protects the information providing unit and the opening and closing notification unit, and the casing is provided with a fastening flange 183 and a transparent dome 184, A protrusion protrudes from the inside of the dome to pass through the opening/closing notification unit to support the upper end of the information providing unit.

3 and 4 are external views for explaining the operating state of the valve blocking plate opening and closing notification system according to an embodiment of the present invention, and the cam driving shaft 141 when the driving unit 143 installed to interlock with the actuator operates When the information providing unit 160 is rotated by rotation and the rotated surface is located in the opening 172 of the opening/closing notification unit 170, whether the opening/closing plate is open or closed is provided.

At this time, as shown in the drawing, it is possible to check in the field, and as the first and second eccentric cams of the driving unit operate the first and second sensors of the detection sensor, the area detected by the detection sensor is transmitted to the base station and provided. do.

As shown in FIG. 5 of the accompanying drawings, a protrusion protruding to the bottom is formed on the inside of the top of the casing 180, and the protrusion is assembled with the Ali unit 170 in a forced fit to prevent rotation of the opening and closing notification unit. , The information providing unit 160 is fastened by a bearing (B) to prevent the flow to the top of the information providing unit and support the smooth rotation of the information providing unit.

6 to 8 are diagrams for explaining explosion-proof and non-explosion-proof models of the valve blocking plate opening and closing notification system according to an embodiment of the present invention according to the size of the valve.

6 shows that the volume of the storage part of the lower housing is small for non-explosion-proof use, and FIGS. 7 and 8 show that the volume of the storage part of the lower housing can be made large for explosion-proof use.

As shown in FIG. 9 , fixing

rings

146 and 147 are assembled to the first and second eccentric cams to prevent idling while assembled to the cam drive shaft 141 .

At this time,

grooves

144a and 145a are provided for fastening and assembling the fixing rings 146 and 147, and uneven portions 144-1 and 145-1 are formed on the inner periphery of the grooves, and assembled thereto. Concave-convex portions 146-1 and 147-1 are formed on the outer periphery of the fixing rings 146 and 147 to correspond to the concave-convex portions.

As described above, the eccentric cam is prevented from idling by being mutually fastened with the concave-convex portion, and the fixing ring is prevented from idling with the cam drive shaft 141 through the fastening of the mood bolt.

11 shows that

pinholes

144b and 145b are formed by the first eccentric cam 144 and the second eccentric cam 145 among the components of the drive unit 140, and the same rotational force is obtained by assembling the pin 148 with the pinhole. made to deliver.

For example, when the first fixing ring 146 and the second fixing ring 147 supporting the first eccentric cam 144 and the second eccentric cam 145 are released, the eccentric shafts of the first eccentric cam and the second eccentric cam In such a misaligned state, operation is not performed properly and wrong information is provided.

However, since the first and second eccentric cams are intermittently controlled by the pin 148 as described above, displacement of any one eccentric cam is prevented.

In addition, as shown in FIG. 12 of the accompanying drawings, a key 146a is formed on the fixed ring and a key groove 144c is formed on the cam, but only one key is formed on the fixed ring and a plurality of key grooves 144c are formed on the cam. It is desirable to form

In other words, by selecting and assembling the key into the keyway, it is possible to control the meaningless rotation of the cam and select the eccentric force.

13 is for explaining the assembly relationship of the opening/closing notification unit 170, and the fixed installation of the opening/closing notification unit 170 is achieved by dividing the groove 113 on the flange 111 of the upper housing 110. It is done.

That is, the opening/closing notification unit 170 is non-rotating, and the lower end of the opening/closing notification unit 170 can be maintained non-rotating by inserting and fixing the lower end of the opening and closing notification unit 170 into the groove 113 .

In addition, as shown in FIG. 14 of the accompanying drawings, a key 182 is formed with a protrusion 181 formed inside the casing and a key groove 174 is formed in the center of the opening and closing notification unit 170 to notify opening and closing by assembling them together. It can prevent negative rotation.

As shown in the accompanying drawing FIG. 15, the upper dome 184 of the casing 180 is divided into four parts without the open/close notification unit 170, but the two parts in both directions are transparent and the two parts in both directions are opaque (184a). can provide information.

In addition, as shown in FIG. 16, the entire dome 184 is made transparent, but a blocking wave 190 may be formed in the second light portion in both directions.

In the above, specific embodiments of the present invention have been described.

However, the spirit and scope of the present invention is not particularly limited to these specific embodiments, and it is common knowledge in the technical field pertaining to the present invention that various modifications and variations are possible within the scope of not changing the gist of the present invention. If you have , you should understand.

Therefore, since the above-described embodiments are provided to fully inform those skilled in the art of the scope of the invention to which the present invention pertains, it should be understood that they are illustrative and not limiting in all respects, and the present invention is only defined by the scope of the claims.

Claims

It is installed at the top of the actuator that operates the valve, has a sensor fastening part 123, a driving unit fastening part 124, and a connection terminal fastening part 125 inside, and a wire communicating with the inside on the lower side A lower housing 120 provided with an entry/exit pipe 126;

The detection sensor 130 provided as the first sensor 131 and the second sensor 132 installed as the detection sensor fastening part 123 and detecting the driving of the opening and closing plate operated by the actuator and transmitting it to the base station,

A drive unit 140 installed as the driving unit fastening part 124 and installed so that the lower end is interlocked with the actuator to be rotated simultaneously with the actuator and the opening and closing plate to touch the detection sensor 130;

A connection terminal 150 installed as the connection terminal fastening part 125 and sensing the wire introduced through the wire entry/exit pipe 126 and the wire connected to the detection sensor 130;

An upper housing 110 in a dome shape assembled to the upper end of the lower housing 120,

An information providing unit 160 provided at the upper end of the upper housing 110 and installed to interlock with the upper part of the driving unit 140 to guide whether the valve is opened or closed according to the rotation of the driving unit;

An opening/closing notification unit 170 provided at an upper end of the information providing unit 160 so as to visually identify whether the information providing unit is opened or closed by rotation;

A blocking plate opening and closing notification system for valves, characterized in that it includes a transparent casing (180) wrapped around the information providing unit (160) and the opening and closing notification unit (170) and fastened to the upper housing (110).
According to claim 1,

The lower end of the driving unit fastening part 124 where the driving unit 140 is installed,

An assembly hole 124a is provided for fastening the bushing so that the cam drive shaft 141 of the driving unit is firmly rotated, and an anti-rotation surface 124b is further provided on one surface of the assembly hole 124a to prevent the bushing from idling. Characterized in that provided, the blocking plate opening and closing notification system for valves.
According to claim 1,

The drive unit 140,

A cam drive shaft 141 penetrating the drive unit fastening part 124, the lower part is installed to be interlocked with the actuator, and the upper part is installed to be interlocked with the information providing part 160;

A first eccentric cam 144 assembled to be positioned in the same line as the first sensor 131 with the cam drive shaft 141 and a second eccentric cam 145 assembled to be positioned in the same line with the second sensor 132 class,

A spring (S) provided between the first and second eccentric cams to maintain a gap;

A first fixing ring 146 and a second fixing ring 147 assembled and supported by the upper end of the first eccentric cam and the lower end of the second eccentric cam;

A valve blocking plate opening and closing notification system comprising a; bushing 149 assembled to the assembly hole 124a of the driving unit fastening part and supporting rotation of the cam driving shaft 141.
According to claim 3,

The first eccentric cam 144 and the second eccentric cam 145 are formed with grooves 144a and 145a in which the fixing rings 146 and 147 are assembled,

In order to prevent idle rotation of the fixing ring and the eccentric cam, the outer periphery of the fixing rings 146 and 147 and the inner periphery of the grooves 144a and 145a are uneven portions 146-1 and 147-1. ) (144-1) (145-1), characterized in that formed, the blocking plate opening and closing notification system for valves.
According to claim 1,

A key 182 is formed at the inner top of the casing 180, and a key groove 174 is formed and fastened to the top of the opening and closing notification unit 170 to prevent rotation of the opening and closing notification unit 170. , Block plate opening and closing notification system for valves.