CN116255499A - Intelligent monitoring device for fault of industrial valve executive body - Google Patents

Abstract

The invention discloses an intelligent monitoring device for faults of an industrial valve actuator, which comprises an industrial valve actuator shell, wherein an actuator cavity is formed in the industrial valve actuator shell, a first annular tooth is formed on the inner wall of the actuator cavity, a first connecting piece is further included, the second end of the first connecting piece is connected with a first gear, a second connecting piece is fixed on the first gear, a third connecting piece is fixed on the second connecting piece, an actuator is rotatably connected on the third connecting piece, the actuator is fixedly connected with a valve rod of the industrial valve, an actuator cross rod is fixedly arranged on the industrial valve actuator shell, and first spring probes are arranged at two ends of an actuator track; the system has a simple structure, the first driving motor is adopted to control the first connecting piece to rotate, and meanwhile, the executing piece is controlled to do reciprocating motion, so that the valve core of the industrial valve can be controlled to do reciprocating motion under the condition that the motor does not stop, the valve is controlled to work, and meanwhile, two monitoring devices are arranged, so that the fault tolerance rate can be increased, and the monitoring accuracy rate can be improved.

Description

Intelligent monitoring device for fault of industrial valve executive body

Technical Field

The invention relates to the field of industrial data acquisition and monitoring, in particular to an intelligent monitoring device for faults of an industrial valve actuator.

Background

Industrial valves are an important accessory for controlling the flow of media on industrial pipelines, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valve consists of a valve body, a valve rod opening and closing mechanism and a valve cover, and has the functions of cutting off or communicating the flow of fluid in a pipe, regulating the flow and the flow speed in the pipe, causing the fluid to generate great pressure drop after passing through the valve, maintaining certain pressure and the like. The electric valve actuating mechanism has the characteristics of attractive and elegant appearance design, small volume, light weight, simple operation, high strength, wear resistance, reliable component quality, high motor performance, non-invasive infrared remote control setting, reversing delay protection, digital limit (electronic limit), abnormal protection, high temperature resistance, frequent action and maintenance free, and is widely favored in practical application. The running state of the electric valve actuating mechanism directly influences the working performance of the whole electric valve, so that the electric valve actuating mechanism has important significance for fault diagnosis. The fault diagnosis mechanism of the traditional electric valve actuating mechanism is that a maintenance worker periodically carries out inspection and checking. With the continuous development of industrial technology, diagnostic methods that often disassemble valve actuators have far from adapting to requirements and increase maintenance costs and repair cycles. Moreover, the conventional means are difficult to directly monitor at the early stage of valve failure, and the detection of early failure signals is only meaningful for improving the reliability of the whole system. It is therefore important to obtain an industrial valve failure monitoring device.

Disclosure of Invention

In order to solve at least one technical problem, the invention provides an intelligent monitoring device for faults of an industrial valve executing body, which comprises an industrial valve executing body shell, wherein an executing cavity is formed in the industrial valve executing body shell, a first annular tooth is formed in the inner wall of the executing cavity, the intelligent monitoring device further comprises a first connecting piece, a first end of the first connecting piece is rotatably connected with the industrial valve executing body shell, a first gear is rotatably connected with a second end of the first connecting piece, the first gear is meshed with the first annular tooth, a second connecting piece is fixed on the first gear, a third connecting piece perpendicular to the second connecting piece is fixed on the periphery of the second connecting piece, an executing piece is rotatably connected to the third connecting piece, the executing piece is fixedly connected with a valve rod of the industrial valve, an executing cross rod is fixed on the industrial valve executing body shell, an executing track is formed on the executing cross rod, and the executing piece is controlled by the first connecting piece to reciprocate in the executing track range; the two ends of the execution track are provided with first spring probes;

through the technical scheme, the first connecting piece can rotate to drive the first gear to rotate in the first annular tooth, and the second connecting piece located on the first gear can rotate simultaneously, so that the executing piece can reciprocate on the executing track to drive the valve rod of the valve to reciprocate.

The device further comprises a controller, two ends of the first spring probe are respectively connected with the input end of the controller, and the first driving motor is connected with the output end of the controller.

Through the technical scheme, the controller can receive the data transmitted by the first spring probe, so that data processing is realized, namely whether the signals of the first spring probe received for many times are the same or not is judged, if the signals are the same, the stable movement of the executing piece is indicated, and if the signals are different, the first spring probe is damaged, or the executing piece does not move in a given mode.

As an above-mentioned preferred mode, first spring probe includes first removal chamber, with the second removal chamber of first removal chamber intercommunication, be fixed with first spacing ring between first removal chamber and the second removal chamber, be equipped with first contact in the first removal chamber, be fixed with first spring between first contact and the first removal intracavity wall, first spring connection wire output, be equipped with the second contact in the second removal chamber, second contact tip integrated into one piece has the second spacing ring, second contact overcoat between second spacing ring and the first spacing ring is equipped with the second spring, the second contact is not contacted with first contact under the second spring effect, second contact connection wire input, wire input and wire output connect the output and the input of controller respectively. The second contact portion is located within the execution track.

Through the technical scheme, the setting of the second spring can play a role in resetting and moving the second contact piece, the setting of the first spring can play a role in buffering, hard contact is prevented, when the executing piece is located at two ends of the executing track, the second contact piece can be pushed inwards, the second contact piece can contact the first contact piece, or the first contact piece can be pushed inwards at the same time, at the moment, the second contact piece and the first contact piece are conducted, and conduction information is transmitted to the controller.

As one preferable mode, the first contact member is provided with a first inclined plane, and the second contact member is provided with a second inclined plane matched with the first inclined plane.

Through above-mentioned technical scheme, the setting on first inclined plane and second inclined plane can increase the area of contact of both, increases the stability of contact.

As a preferable mode, the industrial valve actuator further comprises a first driving motor, wherein an output shaft of the first driving motor penetrates through the industrial valve actuator shell and is fixedly connected with the first end of the first connecting piece.

In order to reduce friction, the invention adopts the following modes: the execution piece is provided with a third limiting ring in an integrated mode, the execution cross rod on the peripheral side of the execution track is provided with a protruding ring in an integrated mode, and the protruding ring is located in the width range of the third limiting ring.

Through above-mentioned technical scheme, protruding ring's setting can be with originally the sliding surface contact, has become the sliding line contact, can reduce frictional force.

And two,: the executing piece is provided with a fourth limiting ring in an integrated mode, a ball groove is formed in the bottom of the fourth limiting ring, balls are arranged in the ball groove, and the ball part is located outside the ball groove so as to be matched with the upper surface of the executing cross rod.

Through above-mentioned technical scheme, the setting of ball can be in the slip plane contact originally, has become rolling contact, can reduce frictional force.

As a preferable mode, an infrared emitter and an infrared receiver matched with the infrared emitter are fixed on the industrial valve actuator shell, and the straight line where the infrared emitter and the infrared receiver are positioned is the vertical center line of the actuating guide rail.

Through the technical scheme, the infrared emitter and the infrared receiver are matched, if the executing piece works normally, the time interval that the infrared emitter and the infrared receiver cannot receive signals in two works is consistent, the signals can be transmitted to the controller, and the judgment can be carried out by matching with the judgment position of the first spring probe so as to discharge inaccurate data caused by the spring probe.

As a preferred form of the above, the infrared emitter and infrared receiver are within the height of the actuator.

Compared with the prior art, the invention has the advantages that: the system is simple in structure, the first driving motor is adopted to control the first connecting piece to rotate, meanwhile, the executing piece is controlled to do reciprocating motion, so that the valve core of the industrial valve can be controlled to do reciprocating motion under the condition that the motor does not stop, the valve is further controlled to work, and meanwhile, two monitoring devices are arranged, the fault tolerance rate can be increased, and the monitoring accuracy rate can be improved.

Drawings

FIG. 1 is a top view of a monitoring device of the present invention;

FIG. 2 is a schematic cross-sectional view of a monitoring structure according to the present invention;

FIG. 3 is a schematic cross-sectional view of a monitoring structure according to the present invention;

FIG. 4 is a schematic cross-sectional view of a first spring probe according to the present invention;

FIG. 5 is a block diagram of a control architecture of the present invention;

reference numerals: 1-an industrial valve actuator housing; 101-an execution chamber; 102-a first ring tooth;

200-a first connector; 2001-first gear; 201-a second connector; 2011-a third connector; 202-an actuator;

2023-implement crossbar; 2024-execution track;

206-a first spring probe; 207-a first movement chamber; 208-a second moving chamber; 209-a first stop collar; 210-a first contact; 211-a first spring; 212-a second contact; 213-a second stop collar; 214-a second spring; 215-a first ramp; 216-a second ramp;

301-a controller;

401-a third stop collar; 402-raised rings; 403-fourth limiting rings; 404-balls;

501-an infrared emitter; 502-an infrared receiver.

Detailed Description

The invention will be described in detail below with respect to certain specific embodiments thereof in order to better understand the invention and thereby to more clearly define the scope of the invention as claimed. It should be noted that the following description is only some embodiments of the inventive concept and is only a part of examples of the present invention, wherein the specific direct description of the related structures is only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the implementation scope of the present invention.

Referring to the drawings, the invention adopts the following technical scheme that the industrial valve actuating body fault intelligent monitoring device comprises an industrial valve actuating body shell 1, an actuating chamber 101 is arranged in the industrial valve actuating body shell 1, a first annular tooth 102 is arranged on the inner wall of the actuating chamber 101, the industrial valve actuating body fault intelligent monitoring device further comprises a first connecting piece 200, a first end of the first connecting piece 200 is rotatably connected with the industrial valve actuating body shell 1, a second end of the first connecting piece 200 is rotatably connected with a first gear 2001, the first gear 2001 is meshed with the first annular tooth 102, a second connecting piece 201 is fixed on the first gear 2001, a third connecting piece 2011 which is perpendicular to the second connecting piece 201 is fixed on the periphery of the second connecting piece 201, an actuating piece 202 is rotatably connected with a valve rod of the industrial valve, an actuating cross rod 2023 is fixed on the industrial valve actuating body shell 1, an actuating rail 2024 is arranged on the actuating cross rod 2023, and the actuating piece 202 reciprocates within the actuating range of the first rail 2024 under the control of the actuating piece 202; the first spring 211 probes 206 are arranged at two ends of the execution track 2024;

through the above technical solution, the rotation of the first connecting piece 200 can drive the first gear 2001 to rotate in the first annular tooth 102, and the second connecting piece 201 located on the first gear 2001 can simultaneously rotate, so as to realize the reciprocating motion of the executing piece 202 on the executing track 2024, so as to drive the valve rod of the valve to reciprocate.

The device further comprises a controller 301, two ends of the first spring 211 probe 206 are respectively connected to the input end of the controller 301, and the first driving motor is connected to the output end of the controller 301.

Through the above technical solution, the controller 301 can receive the data transmitted by the first spring 211 probe 206, and further implement data processing, that is, determine whether the signals of the first spring 211 probe 206 received multiple times are the same, if they are the same, it indicates that the executing member 202 moves stably, if they are different, the first spring 211 probe 206 is damaged, or the executing member 202 does not move according to the predetermined mode.

As a preferred manner, the first spring 211 probe 206 includes a first moving cavity 207, and a second moving cavity 208 that is communicated with the first moving cavity 207, a first limiting ring 209 is fixed between the first moving cavity 207 and the second moving cavity 208, a first contact 210 is disposed in the first moving cavity 207, a first spring 211 is fixed between the first contact 210 and an inner wall of the first moving cavity 207, the first spring 211 is connected with a wire output, a second contact 212 is disposed in the second moving cavity 208, a second limiting ring 213 is integrally formed at an end portion of the second contact 212, a second spring 214 is sleeved outside the second contact 212 between the second limiting ring 213 and the first limiting ring 209, the second contact 212 is not contacted with the first contact 210 under the action of the second spring 214, the wire input is connected with the wire output, and the wire input is respectively connected with an output end and an input end of the controller 301. The second contact 212 is partially located within the execution track 2024.

Through the above technical solution, the second spring 214 can play a role in restoring and moving the second contact 212, the first spring 211 can play a role in buffering, preventing hard contact, when the executing member 202 is located at two ends of the executing track 2024, the second contact 212 is pushed inward, the second contact 212 contacts the first contact 210, or simultaneously pushes the first contact 210 inward, at this time, the two contacts are conducted, and the conduction information is transmitted to the controller 301.

As a preferred manner, the first contact 210 is provided with a first inclined surface 215, and the second contact 212 is provided with a second inclined surface 216 that is matched with the first inclined surface 215.

Through the above technical scheme, the arrangement of the first inclined plane 215 and the second inclined plane 216 can increase the contact area of the first inclined plane 215 and the second inclined plane 216, and increase the contact stability.

As a preferred mode, the valve further comprises a first driving motor, and an output shaft of the first driving motor passes through the industrial valve actuating body housing 1 and is fixedly connected with the first end of the first connecting piece 200.

In order to reduce friction, the invention adopts the following modes: the third limiting ring 401 is integrally formed on the executing piece 202, the protruding ring 402 is integrally formed on the executing cross rod 2023 on the peripheral side of the executing track 2024, and the protruding ring 402 is located in the width range of the third limiting ring 401.

Through the above technical scheme, the setting of protruding ring 402 can be with originally sliding surface contact, has become the sliding line contact, can reduce frictional force.

And two,: the executing piece 202 is integrally formed with a fourth limiting ring 403, a ball groove is formed in the bottom of the fourth limiting ring 403, a ball 404 is arranged in the ball groove, and a part of the ball 404 is positioned outside the ball groove to be matched with the upper surface of the executing cross rod 2023.

By the above-described means, the ball 404 can be brought into contact with the original sliding surface, rolling contact is achieved, and friction force can be reduced.

As a preferable mode, the infrared emitter 501 and the infrared receiver 502 matched with the infrared emitter 501 are fixed on the industrial valve actuator shell, and the straight line where the infrared emitter 501 and the infrared receiver 502 are positioned is the vertical center line of the actuator guide rail.

Through the above technical scheme, the present invention is further matched with the infrared emitter 501 and the infrared receiver 502, if the executing piece 202 works normally, the time interval that the infrared emitter 501 and the infrared receiver 502 cannot receive signals is consistent during the two works, and the signals can be transmitted to the controller 301, and can be matched with the position judged by the first spring 211 probe 206 to judge, so as to discharge inaccurate data caused by the spring probe itself.

As a preferred form of the foregoing, the infrared transmitter 501 and the infrared receiver 502 are within the height of the actuator 202.

Compared with the prior art, the invention has the advantages that: the system has a simple structure, the first connecting piece 200 is controlled to rotate by adopting the first driving motor, the executing piece 202 is controlled to reciprocate, the valve core of the industrial valve is controlled to reciprocate under the condition that the motor does not stop, the valve is further controlled to work, and two monitoring devices are simultaneously arranged, so that the fault tolerance rate can be increased, and the monitoring accuracy rate can be improved.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus/means that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus/means.

In the description of the present invention, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate a direction or a positional relationship, are based on the direction or the positional relationship shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.

Claims (8)

1. An intelligent monitoring device for faults of an industrial valve executive body is characterized in that: the industrial valve actuator comprises an industrial valve actuator housing (1), wherein an actuator chamber (101) is arranged in the industrial valve actuator housing (1), a first annular tooth (102) is arranged on the inner wall of the actuator chamber (101), the industrial valve actuator housing further comprises a first connecting piece (200), the first end of the first connecting piece (200) is rotationally connected with the industrial valve actuator housing (1), the second end of the first connecting piece (200) is rotationally connected with a first gear (2001), the first gear (2001) is meshed with the first annular tooth (102), a second connecting piece (201) is fixed on the first gear (2001), a third connecting piece (2011) perpendicular to the second connecting piece (201) is fixed on the periphery of the second connecting piece (201), an actuator (202) is rotationally connected to a valve rod of an industrial valve, an actuator rail (3) is fixedly arranged on the industrial valve actuator housing (1), an actuator rail (2024) is arranged on the actuator rail (2023), and the actuator rail (2024) is controlled to reciprocate in a first actuator rail (200); a first spring (211) probe (206) is arranged at two ends of the execution track (2024);

the device further comprises a controller (301), two ends of the first spring (211) probe (206) are respectively connected with the input end of the controller (301), and the first driving motor is connected with the output end of the controller (301).

2. The intelligent monitoring device for industrial valve actuator faults of claim 1, wherein: the first spring (211) probe (206) is including first removal chamber (207), with the second removal chamber (208) of first removal chamber (207) intercommunication, be fixed with first spacing ring (209) between first removal chamber (207) and the second removal chamber (208), be equipped with first contact (210) in the first removal chamber (207), be fixed with first spring (211) between first contact (210) and the first removal chamber (207) inner wall, wire output is connected to first spring (211), be equipped with second contact (212) in the second removal chamber (208), second contact (212) tip integrated into one piece has second spacing ring (213), second contact (212) overcoat between second spacing ring (213) and the first spacing ring (209) is equipped with second spring (214), second contact (212) are not contacted with first contact (210) under second spring (214) effect, wire output and input of wire connection respectively are connected to second contact (212).

3. The intelligent monitoring device for industrial valve actuator faults of claim 2, wherein: a first inclined surface (215) is formed on the first contact (210), and a second inclined surface (216) matched with the first inclined surface (215) is formed on the second contact (212).

4. The intelligent monitoring device for industrial valve actuator faults of claim 1, wherein: the industrial valve actuator further comprises a first driving motor, and an output shaft of the first driving motor penetrates through the industrial valve actuator shell (1) and is fixedly connected with the first end of the first connecting piece (200).

5. The intelligent monitoring device for industrial valve actuator faults of claim 1, wherein: the execution piece (202) is provided with a third limiting ring (401), the execution cross rod (2023) on the periphery of the execution track (2024) is integrally formed with a protruding ring (402), and the protruding ring (402) is located in the width range of the third limiting ring (401).

6. The intelligent monitoring device for industrial valve actuator faults of claim 1, wherein: the executing piece (202) is provided with a fourth limiting ring (403), the bottom of the fourth limiting ring (403) is provided with a ball groove, a ball (404) is arranged in the ball groove, and the ball (404) is partially positioned outside the ball groove so as to be matched with the upper surface of the executing cross rod (2023).

7. The intelligent monitoring device for industrial valve actuator faults of claim 1, wherein: an infrared emitter (501) and an infrared receiver (502) matched with the infrared emitter are fixed on the industrial valve actuator shell, and the straight line where the infrared emitter (501) and the infrared receiver (502) are located is the vertical center line of the actuator guide rail.

8. The intelligent monitoring device for industrial valve actuator faults of claim 7, wherein: the infrared emitter (501) and the infrared receiver (502) are within the height of the actuator (202).

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