CN216518479U

CN216518479U - Compressor fault detection device

Info

Publication number: CN216518479U
Application number: CN202123364762.4U
Authority: CN
Inventors: 王峻; 张应武; 陈志宏; 徐洁
Original assignee: Anhui Magang Gas Technology Co ltd
Current assignee: Anhui Magang Gas Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-13
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a compressor fault detection device, and relates to the technical field of compressor state monitoring. This compressor fault detection device, including compressor, motor, the pivot of motor is connected with the expansion end of compressor, the compressor includes the shell, run through on the terminal surface of the cylinder of compressor and be provided with displacement detector, displacement detector includes the detector shell, the top of detector shell inner wall is provided with communication module, communication module's bottom is provided with pressure sensor, the pressure sensor bottom is connected with the spring, the bottom of spring is connected with the guide bar. This compressor fault detection device through run through the mode that sets up the trigger formula sensor on the end cover of compression cylinder, can effectively deal with the motion by a wide margin, the high frequency of piston, and the terminal surface threaded connection's of the cylinder of detector shell and compressor mode can adjust the scope of displacement monitoring.

Description

Compressor fault detection device

Technical Field

The utility model relates to the technical field of compressor state monitoring, in particular to a compressor fault detection device.

Background

The existing compressor, especially the coal press, is lack of effective detection tool all the time when monitoring the displacement of the compression cylinder, and because the characteristics of large motion amplitude and high frequency of the piston, the traditional displacement sensor can not effectively detect the displacement of the piston.

Therefore, it is necessary to design a trigger type displacement detector that can be matched with the compressor body to achieve a more practical purpose.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a compressor fault detection device, which solves the problems that an effective detection tool is always lacked when a coal press monitors the displacement of a compression cylinder, and the traditional displacement sensor cannot effectively detect the displacement of a piston due to the characteristics of large motion amplitude and high frequency of the piston.

(II) technical scheme

In order to realize the purpose, the utility model is realized by the following technical scheme: the utility model provides a compressor fault detection device, includes compressor, motor, machine controller and motor electric connection, the pivot of motor is connected with the expansion end of compressor, the compressor includes the shell, it is provided with displacement detector to run through on the terminal surface of the cylinder of compressor, displacement detector includes the detector shell, the top of detector shell inner wall is provided with communication module, communication module's bottom is provided with pressure sensor, the pressure sensor bottom is connected with the spring, the bottom of spring is connected with the guide bar, displacement detector and machine controller electric connection.

Preferably, both ends are provided with left end lid and right-hand member lid respectively about the shell, be provided with left side Y on the left end lid to vibration detector and left side X to vibration detector, right-hand member is covered and is provided with right side Y to vibration detector and right side X to vibration detector, left side Y all with machine controller electric connection to vibration detector, left side X to vibration detector, right side Y to vibration detector and right side X to vibration detector.

Preferably, the top and the bottom of the housing are respectively provided with an upper end cover and a lower end cover.

Preferably, the top and the bottom of the shell are respectively provided with an oil filling cover and an oil discharging cover.

Preferably, a pulley is arranged on the guide rod.

Preferably, the detector housing is screwed to an end surface of a cylinder of the compressor.

Preferably, the motor controller is electrically connected with the DSC.

(III) advantageous effects

The utility model provides a compressor fault detection device. The method has the following beneficial effects:

this compressor fault detection device through run through the mode that sets up the trigger formula sensor on the end cover of compression cylinder, can effectively deal with the motion by a wide margin, the high frequency of piston, and the terminal surface threaded connection's of the cylinder of detector shell and compressor mode can adjust the scope of displacement monitoring.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a displacement detector;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure: 11. a housing; 12. a pipeline; 13. a cylinder; 14. a left end cap; 15. a right end cap; 16. an oil filling cap; 17. unloading the oil cover; 18. an upper end cover; 19. a lower end cover; 2. a rotating shaft; 31. a left Y-direction vibration detector; 32. a left X-direction vibration detector; 33. a right Y-direction vibration detector; 34. a right X-direction vibration detector; 4. a displacement detector; 41. a detector housing; 42. a communication module; 43. a pressure sensor; 44. a spring; 45. a guide bar; 451. a pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: the most basic unit for realizing the functions of the utility model

The utility model provides a compressor fault detection device, which comprises a compressor, including a motor, an end cap, a controller for a motor, machine controller and motor electric connection, the pivot 2 of motor is connected with the expansion end of compressor, the compressor includes shell 11, it is provided with displacement detector 4 to run through on the terminal surface of the cylinder 13 of compressor, displacement detector 4 includes detector shell 41, the top of detector shell 41 inner wall is provided with communication module 42, communication module 42's bottom is provided with pressure sensor 43, pressure sensor 43 bottom is connected with spring 44, spring 44's bottom is connected with guide bar 45, displacement detector 4 and machine controller electric connection.

The working principle is as follows: when the piston in the cylinder 13 moves to the nearest distance from the end face of the cylinder 13, the end part of the piston touches the guide rod 45, the guide rod 45 moves towards the end face of the cylinder 13 under the action of pressure, at the moment, the compression amount of the end part of the piston on the guide rod 45 can be obtained by the pressure sensor 43, and when the displacement of the piston is increased, the compression amount of the end part of the piston on the guide rod 45 is increased, the force detected by the pressure sensor 43 is larger, and when the displacement of the piston is increased to a set value, a tripping signal can be sent to the motor by the motor controller to prevent the equipment from being damaged.

Example 2: bidirectional vibration detection with additional free end and fixed end

In embodiment 1, a left end cap 14 and a right end cap 15 are respectively provided at the left and right ends of the housing 11, a left Y-direction vibration detector 31 and a left X-direction vibration detector 32 are provided on the left end cap 14, a right Y-direction vibration detector 33 and a right X-direction vibration detector 34 are provided on the right end cap 15, and the left Y-direction vibration detector 31, the left X-direction vibration detector 32, the right Y-direction vibration detector 33, and the right X-direction vibration detector 34 are all electrically connected to the motor controller.

Example 3: concrete structure of compressor shell

In addition to embodiment 1, the top and bottom of the housing 11 are respectively provided with an upper end cover 18 and a lower end cover 19, and the top and bottom of the housing 11 are respectively provided with an oil filling cap 16 and an oil discharging cap 17.

Example 4: in order to accurately slide the guide rod 45 in the detector housing 41

In embodiment 1, the guide bar 45 is provided with a pulley 451. The pulley 451 can slide on the inner wall of the detector housing 41.

Example 5: to facilitate adjustment of the detection range of the displacement detector

In addition to embodiment 1, the detector housing 41 is screwed to the end face of the cylinder 13 of the compressor.

Since the stroke of the piston may be adjusted after the technical modification of the compressor cylinder, the detector housing 41 and the end surface of the compressor cylinder 13 are designed to be screwed, so that the technical modification can be effectively dealt with.

Example 6: facilitating DSC system detection of compressor conditions

In any of embodiments 1 to 5, the motor controller is electrically connected to the DSC.

In conclusion, this compressor fault detection device through run through the mode that sets up the trigger formula sensor on the end cover of compression cylinder, can effectively deal with the motion of piston by a wide margin, high frequency, and the terminal surface threaded connection's of the cylinder of detector shell and compressor mode can adjust the scope of displacement monitoring.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compressor fault detection device, includes compressor, motor, machine controller and motor electric connection, pivot (2) of motor are connected with the expansion end of compressor, the compressor includes shell (11), its characterized in that: run through on the terminal surface of cylinder (13) of compressor and be provided with displacement detector (4), displacement detector (4) are including detector shell (41), the top of detector shell (41) inner wall is provided with communication module (42), the bottom of communication module (42) is provided with pressure sensor (43), pressure sensor (43) bottom is connected with spring (44), the bottom of spring (44) is connected with guide bar (45), displacement detector (4) and machine controller electric connection.

2. A compressor failure detecting device according to claim 1, wherein: both ends are provided with left end lid (14) and right-hand member lid (15) respectively about shell (11), be provided with left side Y on left end lid (14) to vibration detector (31) and left side X to vibration detector (32), be provided with right side Y on right-hand member lid (15) to vibration detector (33) and right side X to vibration detector (34), left side Y all with machine controller electric connection to vibration detector (31), left side X to vibration detector (32), right side Y to vibration detector (33) and right side X to vibration detector (34).

3. A compressor failure detecting device according to claim 1, wherein: the top and the bottom of the shell (11) are respectively provided with an upper end cover (18) and a lower end cover (19).

4. A compressor failure detecting device according to claim 1, wherein: the top and the bottom of the shell (11) are respectively provided with an oil filling cover (16) and an oil discharging cover (17).

5. A compressor failure detecting device according to claim 1, wherein: a pulley (451) is arranged on the guide rod (45).

6. A compressor failure detecting device according to claim 1, wherein: the detector shell (41) is in threaded connection with the end face of a cylinder (13) of the compressor.

7. A compressor failure detecting device according to any one of claims 1 to 6, wherein: the motor controller is electrically connected with the DSC.