CN216157869U - Vibration monitoring and controlling device for polyester chemical melt discharge pump - Google Patents
Vibration monitoring and controlling device for polyester chemical melt discharge pump Download PDFInfo
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- CN216157869U CN216157869U CN202122156289.4U CN202122156289U CN216157869U CN 216157869 U CN216157869 U CN 216157869U CN 202122156289 U CN202122156289 U CN 202122156289U CN 216157869 U CN216157869 U CN 216157869U
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Abstract
The utility model discloses a vibration monitoring and controlling device for a polyester chemical melt discharge pump, which comprises a vibration detecting module, a rotating speed detecting module, an edge calculating module, a data storage module and a control module, wherein the vibration detecting module and the rotating speed detecting module are both arranged on the melt discharge pump, and the edge calculating module is respectively and electrically connected with the vibration detecting module, the rotating speed detecting module, the data storage module and the control module. The utility model provides a vibration monitoring and controlling device for a polyester chemical melt discharge pump, which overcomes the defect that the existing vibration monitoring system and the existing control system are mutually isolated and realizes the real-time operation parameter control of the melt discharge pump based on vibration information.
Description
Technical Field
The utility model relates to the technical field of vibration detection, in particular to a vibration monitoring and controlling device for a polyester chemical melt discharge pump.
Background
At present, the management mode of a melt discharge pump in the chemical fiber industry is mainly preventive maintenance, manual point inspection and post-fault maintenance. In order to avoid huge loss of subsequent maintenance, enterprises usually adopt preventive maintenance strategies, aiming at preventing early failure and increasing reliability, wherein the preventive maintenance comprises a regular replacement and repair mode and a regular inspection mode, and a near-term maintenance plan mode is arranged according to an inspection result; the manual point inspection is another mode frequently adopted by enterprise equipment management, point inspection personnel perform the point inspection of the equipment in modes of observation, listening, vibration measurement, temperature measurement, infrared imaging and the like, the three-level inspection mode causes huge workload of the personnel, the production process has severe environments of high temperature, high noise, high dust and the like, and the point inspection personnel are difficult to endure the severe environments of a site; for a non-critical unit with low equipment value and small influence on production, a maintenance mode after a fault has certain rationality, but for a critical unit with high equipment asset value and large influence on production, if a passive maintenance mode after a fault is adopted, for an enterprise, once the fault occurs, the maintenance cost is high, and the loss caused to production is huge. Therefore, key equipment of enterprises is not suitable for adopting point inspection and post-fault maintenance modes.
The current commonly used melt discharge pump vibration monitoring system often exists as an independent system, and the information of equipment running state is the separation between monitoring and the control system, needs maintainer to extract information from the vibration monitoring system, and then manual control equipment's operating parameter has reduced the real-time of system response on the one hand, and on the other hand still can bring unnecessary human error's influence.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model provides a vibration monitoring and controlling device for a polyester chemical melt discharge pump, which overcomes the defect that the existing vibration monitoring system and the existing control system are mutually isolated and realizes the real-time operation parameter control of the melt discharge pump based on vibration information.
2. Technical scheme
In order to solve the problems, the technical scheme provided by the utility model is as follows:
the utility model provides a vibration monitoring and controlling means for polyester chemical industry fuse-element discharge pump, includes vibration detection module, rotational speed detection module, edge calculation module, data storage module and control module, vibration detection module, rotational speed detection module are all installed on the fuse-element discharge pump, edge calculation module is connected with vibration detection module, rotational speed detection module, data storage module and control module electricity respectively.
Optionally, the edge calculation module includes a data acquisition module, a feature extraction module, and an alarm module, which are electrically connected together in sequence.
Optionally, the vibration detection module is fixed on the melt discharge pump through a magnetic seat.
Optionally, the vibration detection module includes a first vibration acceleration sensor installed on a low-speed shaft of the melt discharge pump, a second vibration acceleration sensor installed on a high-speed shaft of the melt discharge pump, and a third vibration acceleration sensor installed on a pump body of the melt discharge pump.
Optionally, the sensitivity of the first vibration acceleration sensor is higher than that of the second vibration acceleration sensor, the measuring range of the first vibration acceleration sensor is lower than that of the second vibration acceleration sensor, and the third vibration acceleration sensor is a high-temperature vibration acceleration sensor.
Optionally, the rotation speed detection module includes a reflective label mounted on a motor spindle of the melt discharge pump, and a photoelectric rotation speed sensor matched with the reflective label.
Optionally, the data storage module comprises at least one data server.
Optionally, the data storage module further comprises at least one local storage module.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
(1) the vibration monitoring and controlling device for the polyester chemical melt discharge pump adopts a modularized and distributed design, and can flexibly build a monitoring system according to requirements.
(2) This a vibration monitoring and controlling means for polyester chemical industry melt discharge pump has overcome the not enough of current vibration monitoring system and control system mutual isolation, when accomplishing effective vibration monitoring, has realized the real-time operational parameter control of melt discharge pump based on vibration information.
(3) By arranging the advanced sensor and the edge computing unit, the real-time running state of the melt discharging pump is sensed and pre-warned in an all-around manner, and the traditional manual on-site inspection is replaced.
(4) The fuse-element discharge pump will obtain full-time all-round monitoring and management and control after the system reaches the standard grade, has reduced the manual work and has patrolled and examined the frequency, reduces field staff intensity of labour, has changed traditional manual work and has patrolled and examined the mode on the spot, reduces personnel's safety risk, device potential safety hazard.
Drawings
FIG. 1 is a schematic structural diagram of a vibration monitoring and controlling device for a polyester chemical melt discharge pump according to an embodiment of the present invention;
1. a vibration detection module; 2. a rotation speed detection module; 21. a reflective label; 22. a photoelectric rotation speed sensor; 3. an edge calculation module; 31. a data acquisition module; 32. a feature extraction module; 33. an alarm module; 4. a data storage module; 41. a data server; 5. and a control module.
Detailed Description
For a further understanding of the present invention, reference is made to the following detailed description of the utility model taken in conjunction with the accompanying FIG. 1.
With reference to fig. 1, the vibration monitoring and control device for the polyester chemical melt discharge pump of the embodiment includes a vibration detection module 1, a rotation speed detection module 2, an edge calculation module 3, a data storage module 4 and a control module 5, wherein the vibration detection module 1 and the rotation speed detection module 2 are both mounted on the melt discharge pump through magnetic seats, the edge calculation module 3 is respectively electrically connected with the vibration detection module 1, the rotation speed detection module 2, the data storage module 4 and the control module 5, and the control module 5 is a control system of the device; vibration detection module 1 is used for realizing the detection of fuse-element ejection of compact pump real time operation vibration signal, and rotational speed detection module 2 is used for acquireing the operation rotational speed of fuse-element ejection of compact pump in real time, and edge calculation module 3 judges based on the numerical value that vibration detection module 1 and rotational speed detection module 2 acquireed, to each operating mode in the fuse-element ejection of compact pump actual operation, edge calculation module sets up tertiary alarm threshold value scope respectively, each grade alarm signal of edge calculation module 3 output, the analog alarm signal output is transformed into 4-20mA analog current signal with this signal, through signal cable input fuse-element ejection of compact pump control module 5, real-time control equipment's running state.
The vibration monitoring and controlling device for the polyester chemical melt discharge pump adopts a modularized and distributed design, and can flexibly build a monitoring system according to requirements; the defect that the existing vibration monitoring system and the control system are mutually isolated is overcome, and the real-time operation parameter control of the melt discharging pump based on vibration information is realized while effective vibration monitoring is completed; by arranging an advanced sensor and an edge calculation unit, the real-time running state of the melt discharge pump is sensed and pre-warned in an all-around manner, and the traditional manual on-site inspection is replaced; the fuse-element discharge pump will obtain full-time all-round monitoring and management and control after the system reaches the standard grade, has reduced the manual work and has patrolled and examined the frequency, reduces field staff intensity of labour, has changed traditional manual work and has patrolled and examined the mode on the spot, reduces personnel's safety risk, device potential safety hazard.
As an alternative of the present invention, the edge calculation module 3 includes a data acquisition module 31, a feature extraction module 32, and an alarm module 33 that are electrically connected together in sequence, and when a vibration feature value calculated by the feature extraction module 32 is within a first-level alarm threshold range within a preset time, the alarm module 33 outputs a first-level alarm signal; when the vibration characteristic value calculated by the characteristic extraction module 32 is within the range of the second-level alarm threshold value within the preset time, the alarm module 33 outputs a second-level alarm signal; when the vibration characteristic value calculated by the characteristic extraction module 32 is within the third-level alarm threshold range within the preset time, the alarm module 33 outputs a third-level alarm signal.
As an alternative of the present invention, the vibration detection module 1 includes a first vibration acceleration sensor mounted on a low-speed shaft of the melt discharge pump, a second vibration acceleration sensor mounted on a high-speed shaft of the melt discharge pump, and a third vibration acceleration sensor mounted on a pump body of the melt discharge pump, so as to respectively perform vibration detection on different positions of the melt discharge pump, ensure accuracy of a detection result, and facilitate the control module 5 to more reasonably adjust an operation state of the device.
As an alternative of the present invention, the sensitivity of the first vibration acceleration sensor is higher than that of the second vibration acceleration sensor, the range of the first vibration acceleration sensor is lower than that of the second vibration acceleration sensor, the first vibration acceleration sensor is a sensitivity and low-range vibration acceleration sensor, the second vibration acceleration sensor is a low-sensitivity and high-range vibration acceleration sensor, and the third vibration acceleration sensor is a high-temperature vibration acceleration sensor, and is respectively used for monitoring the vibration of the low-speed shaft, the high-speed shaft and the pump body of the transmission system of the melt discharge pump.
As an alternative scheme of the utility model, the rotating speed detection module 2 comprises a reflective label 21 arranged on a motor spindle of the melt discharge pump and a photoelectric rotating speed sensor 22 matched with the reflective label 21, the photoelectric rotating speed sensor 22 is fixed at a position which is 5-10 cm away from the same central line of the reflective label 21, and the photoelectric rotating speed sensor converts the pulse illumination change generated by the reflective label into a pulse electrical signal and calculates the working rotating speed of the melt discharge pump.
As an alternative of the present invention, the data storage module 4 includes at least one data server 41, the data storage module 4 and the data server 41 are connected through an ethernet data communication RJ45 interface, the data storage module 4 further includes at least one local storage module, the local storage module may be embedded in the edge computing module 3, data acquired by the edge computing module 3 may be stored in the data server 41 and the local storage module, and the local storage module mainly stores data in a disconnected network state.
The working mode of the vibration monitoring and controlling device for the polyester chemical melt discharge pump comprises the following steps:
the method comprises the following steps: firstly, initializing all parts of the device, circularly detecting vibration signals of a melt discharging pump acquired by a vibration acceleration sensor in real time by a vibration detection module, circularly detecting the running rotating speed of the melt discharging pump in real time by a rotating speed detection module, and storing all the vibration signals and rotating speed data into a data storage module;
step two: the method comprises the steps that vibration signals and rotating speed data are transmitted to a feature extraction module of edge calculation, the operating state of a melt discharging pump is divided into a plurality of working conditions according to the rotating speed data, a three-level alarm threshold value is set for each working condition, whether the current vibration feature is within the alarm threshold value range allowed by the melt discharging pump or not is judged for each working condition, early warning is timely carried out in the early stage of fault occurrence, meanwhile, related early warning signals are output to a control system of the melt discharging pump through the edge calculation module, real-time operation parameter control of the melt discharging pump based on vibration information is achieved, and therefore guarantee is provided for safe and reliable operation of the melt discharging pump;
step three: the edge computing module judges whether the communication network is normal or not, stores the vibration signal and the rotating speed signal in the local storage module if the communication is interrupted, and sends the vibration signal and the rotating speed signal to the data server if the communication network is normal.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.
Claims (8)
1. The utility model provides a vibration monitoring and controlling means for polyester chemical industry fuse-element discharge pump which characterized in that: the device comprises a vibration detection module, a rotating speed detection module, an edge calculation module, a data storage module and a control module, wherein the vibration detection module and the rotating speed detection module are both installed on a melt discharging pump, and the edge calculation module is respectively and electrically connected with the vibration detection module, the rotating speed detection module, the data storage module and the control module.
2. The vibration monitoring and control device for the polyester chemical melt discharge pump according to claim 1, wherein: the edge calculation module comprises a data acquisition module, a feature extraction module and an alarm module which are electrically connected together in sequence.
3. The vibration monitoring and control device for the polyester chemical melt discharge pump according to claim 1, wherein: the vibration detection module is fixed on the melt discharge pump through a magnetic seat.
4. The vibration monitoring and control device for the polyester chemical melt discharge pump according to claim 1, wherein: the vibration detection module comprises a first vibration acceleration sensor arranged on a low-speed shaft of the melt discharging pump, a second vibration acceleration sensor arranged on a high-speed shaft of the melt discharging pump, and a third vibration acceleration sensor arranged on a pump body of the melt discharging pump.
5. The vibration monitoring and control device for the polyester chemical melt discharge pump according to claim 4, wherein: the sensitivity of the first vibration acceleration sensor is higher than that of the second vibration acceleration sensor, the range of the first vibration acceleration sensor is lower than that of the second vibration acceleration sensor, and the third vibration acceleration sensor is a high-temperature vibration acceleration sensor.
6. The vibration monitoring and control device for the polyester chemical melt discharge pump according to claim 1, wherein: the rotating speed detection module comprises a reflective label arranged on a motor spindle of the melt discharging pump and a photoelectric rotating speed sensor matched with the reflective label.
7. The vibration monitoring and control device for the polyester chemical melt discharge pump according to claim 1, wherein: the data storage module comprises at least one data server.
8. The vibration monitoring and control device for the polyester chemical melt discharge pump according to claim 1, wherein: the data storage module further comprises at least one local storage module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122156289.4U CN216157869U (en) | 2021-09-08 | 2021-09-08 | Vibration monitoring and controlling device for polyester chemical melt discharge pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122156289.4U CN216157869U (en) | 2021-09-08 | 2021-09-08 | Vibration monitoring and controlling device for polyester chemical melt discharge pump |
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| CN216157869U true CN216157869U (en) | 2022-04-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115898850A (en) * | 2022-11-10 | 2023-04-04 | 浙江大学 | Axial plunger pump edge calculation processor |
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2021
- 2021-09-08 CN CN202122156289.4U patent/CN216157869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115898850A (en) * | 2022-11-10 | 2023-04-04 | 浙江大学 | Axial plunger pump edge calculation processor |
| CN115898850B (en) * | 2022-11-10 | 2024-01-26 | 浙江大学 | Edge calculation processor of axial plunger pump |
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