CN219869973U - Axial comprehensive vibration monitoring device of centrifugal compressor - Google Patents
Axial comprehensive vibration monitoring device of centrifugal compressor Download PDFInfo
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- CN219869973U CN219869973U CN202321107511.4U CN202321107511U CN219869973U CN 219869973 U CN219869973 U CN 219869973U CN 202321107511 U CN202321107511 U CN 202321107511U CN 219869973 U CN219869973 U CN 219869973U
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 85
- 230000001133 acceleration Effects 0.000 claims abstract description 65
- 230000003750 conditioning effect Effects 0.000 claims abstract description 40
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of equipment on-line monitoring, in particular to an axial comprehensive vibration monitoring device of a centrifugal compressor. The axial comprehensive vibration monitoring device of the centrifugal compressor comprises a rigid mounting cover, a sensor and a signal processing device, wherein the rigid mounting cover is fixedly mounted on the centrifugal compressor, shaft displacement vibration sensors and axial shell vibration acceleration sensors are mounted at two ends of the rigid mounting cover, the shaft displacement vibration sensors are used for monitoring axial relative vibration of a compression rotor, the axial shell vibration acceleration sensors are used for monitoring axial absolute vibration of the rotor of the centrifugal compressor, and the signal processing hardware comprises a displacement signal acquisition and conditioning board card, an acceleration signal acquisition and conditioning board card and a main control board card and is used for acquiring, recording and processing vibration signals, so that the aim of real-time monitoring is achieved. The utility model can monitor the axial working process of the centrifugal compressor equipment in an omnibearing and real-time manner, and can monitor the axial relative vibration and the axial absolute vibration simultaneously.
Description
Technical Field
The utility model relates to the technical field of equipment on-line monitoring, in particular to an axial comprehensive vibration monitoring device of a centrifugal compressor.
Background
The centrifugal compressor is a core device of the petrochemical device, and whether the state is stable or not directly influences the normal operation of the device, so that the health management of the centrifugal compressor is a heavy weight in the equipment management work.
The centrifugal compressor consists of rotor, stator and bearing, and the impeller is sleeved on the main shaft to form rotor, and the rotor is supported on the bearing and driven by the power machine. When the impeller rotates at a high speed, gas is sucked from the center of the impeller due to the interaction of centrifugal force between the blades and the gas, and flows along the vane path to the outer edge of the impeller. The impeller works on the gas, the gas obtains energy, and the pressure and the speed are improved. The gas then flows through a diffuser or the like, where the velocity is reduced and the pressure is further increased, i.e. the kinetic energy is converted into pressure energy. In general, in order to improve compression efficiency, a high-speed motor is often used for driving. Therefore, the centrifugal compressor has complex internal work and long working time, so that the failure rate of the centrifugal compressor is very high in actual production, and the traditional axial vibration monitoring equipment can only monitor axial relative vibration and cannot meet the equipment nursing task of the actual centrifugal compressor.
Disclosure of Invention
Accordingly, it is desirable to provide a centrifugal compressor axial integrated vibration monitoring device that has a simple structure, is convenient to use, and can monitor a centrifugal compressor.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
an axial comprehensive vibration monitoring device of a centrifugal compressor comprises a rigid mounting cover, a sensor and a signal processing device;
the rigid mounting cover is fixedly arranged on the centrifugal compressor and is arranged on one side of the rotor of the centrifugal compressor, and the rigid mounting cover is used for transmitting axial vibration signals of the rotor of the centrifugal compressor;
the sensor comprises a plurality of shaft displacement vibration sensors and a plurality of axial shell vibration acceleration sensors, wherein the plurality of shaft displacement vibration sensors are detachably connected to the left side of the rigid mounting cover and used for collecting displacement signals of axial relative vibration of the centrifugal compressor, and the plurality of axial shell vibration acceleration sensors are detachably connected to the right side of the rigid mounting cover and used for collecting displacement signals of axial absolute vibration of the centrifugal compressor;
the signal processing device comprises a board card frame, a displacement signal acquisition and conditioning board card detachably connected to the card frame, an acceleration signal acquisition and conditioning board card detachably connected to the card frame and a main control board card detachably connected to the card frame, the axial displacement vibration sensor is connected with the displacement signal acquisition and conditioning board card, the axial shell vibration acceleration sensor is connected with the acceleration signal acquisition and conditioning board card, and the displacement signal acquisition and conditioning board card and the acceleration signal acquisition and conditioning board card are respectively connected with the main control board card.
Specifically, the number of the shaft displacement vibration sensors is two, namely a shaft displacement vibration sensor Z1 and a shaft displacement vibration sensor Z2, and the shaft displacement vibration sensor Z1 and the shaft displacement vibration sensor Z2 are respectively connected to the left side of the rigid mounting cover in a detachable manner in the 180-degree horizontal direction.
Specifically, the detachable connection mode among the shaft displacement vibration sensor Z1, the shaft displacement vibration sensor Z2 and the rigid mounting cover is threaded connection.
Specifically, the number of the axial shell vibration acceleration sensors is two, namely an axial shell vibration acceleration sensor Z3 and an axial shell vibration acceleration sensor Z4, wherein the axial shell vibration acceleration sensor Z3 is detachably connected to the right side of the rigid mounting cover in the 90-degree horizontal direction, and the axial shell vibration acceleration sensor Z4 is detachably connected to the right side of the rigid mounting cover in the 90-degree vertical direction.
Specifically, the detachable connection mode among the axial shell vibration acceleration sensor Z3, the axial shell vibration acceleration sensor Z4 and the rigid mounting cover is adhesive or threaded connection.
Specifically, the detachable connection modes among the displacement signal acquisition and conditioning board card, the acceleration signal acquisition and conditioning board card, the main control board card and the board card frame are buckle connection.
The utility model has the advantages that:
(1) According to the axial comprehensive vibration monitoring device for the centrifugal compressor, provided by the utility model, through arranging the axial displacement vibration sensor and the axial shell vibration acceleration sensor, the axial working process of the centrifugal compressor equipment can be monitored in an omnibearing manner, so that not only can the axial relative vibration be monitored, but also the axial absolute vibration can be monitored, and an operator can conveniently carry out targeted, more timely and more proper overhaul on the centrifugal compressor;
(2) According to the axial comprehensive vibration monitoring device for the centrifugal compressor, provided by the utility model, the displacement signal of the axial displacement vibration sensor can be converted into a digital signal by arranging the displacement signal acquisition conditioning board card, so that the axial comprehensive vibration monitoring device is convenient to transmit and has small signal interference;
(3) According to the axial comprehensive vibration monitoring device for the centrifugal compressor, provided by the utility model, the vibration signal of the axial shell vibration acceleration sensor can be converted into a digital signal by arranging the acceleration signal acquisition conditioning board card, so that the axial comprehensive vibration monitoring device is convenient to transmit and has small signal interference;
(4) According to the axial comprehensive vibration monitoring device for the centrifugal compressor, signals of the axial displacement vibration sensor and the axial shell vibration acceleration sensor can be transmitted to the main control board through the bus, the main control board can effectively monitor and record the whole working process of the centrifugal compressor, when faults or hidden danger occur, operators can obtain relevant data at first time, and the fault position of the centrifugal compressor can be checked and overhauled in a targeted manner in time, so that the problem of insufficient maintenance or excessive maintenance is avoided, the production cost is greatly saved on the premise of ensuring the production safety, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a device for monitoring axial integrated vibration of a centrifugal compressor according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the mounting position of a shaft displacement vibration sensor according to an embodiment of the present utility model;
fig. 3 is a schematic view of the installation position of the vibration acceleration sensor of the axial shell in the embodiment of the utility model.
Reference numerals: the centrifugal compressor comprises a rigid mounting cover 1, a centrifugal compressor rotor 2, an axial displacement vibration sensor Z1 3, an axial displacement vibration sensor Z2 4, a main control board card 5, a displacement signal acquisition and conditioning board card 6, an acceleration signal acquisition and conditioning board card 7, a board card frame 8, an axial shell vibration acceleration sensor Z3 9 and an axial shell vibration acceleration sensor Z4 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail by the following detailed description with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-3, an axial integrated vibration monitoring device for a centrifugal compressor comprises a rigid mounting cover 1, a sensor and a signal processing device.
In the present embodiment, the rigid mounting cover 1 is fixedly mounted on the centrifugal compressor and is disposed on one side of the centrifugal compressor rotor 2, and the rigid mounting cover 1 is used for transmitting an axial vibration signal of the centrifugal compressor rotor 2.
In this embodiment, the rigid mounting cover 1 is fixedly mounted on the centrifugal compressor by adopting a rigid connection manner, so that the rigid mounting cover 1 can well transmit an axial vibration signal of the centrifugal compressor.
In this embodiment, the sensor includes a plurality of axial displacement vibration sensors and a plurality of axial housing vibration acceleration sensors, the plurality of axial displacement vibration sensors are detachably connected to the left side of the rigid mounting cover 1 for acquiring displacement signals of axial relative vibration of the centrifugal compressor, and the plurality of axial housing vibration acceleration sensors are detachably connected to the right side of the rigid mounting cover 1 for acquiring displacement signals of axial absolute vibration of the centrifugal compressor.
Further, the number of the shaft displacement vibration sensors is two, namely a shaft displacement vibration sensor Z1 3 and a shaft displacement vibration sensor Z2 4, and the shaft displacement vibration sensor Z1 3 and the shaft displacement vibration sensor Z2 4 are detachably connected to the left side of the rigid mounting cover 1 in the 180-degree horizontal direction; the detachable connection modes of the shaft displacement vibration sensor Z1 3, the shaft displacement vibration sensor Z2 4 and the rigid mounting cover 1 are threaded connection; the device is used for collecting displacement signals of axial relative vibration of the centrifugal compressor.
Wherein, two through holes are offered in the left side of rigid mounting cover 1, lie in the horizontal direction, are 180 degrees, and shaft displacement vibration sensor Z1 3, Z2 adopts the mode of screw thread to install respectively in these two through holes to can adjust shaft displacement vibration sensor Z1 3, Z2 and centrifugal compressor rotor 2's axial distance through the screw thread, make it reach suitable distance.
Further, the number of the axial shell vibration acceleration sensors is two, namely an axial shell vibration acceleration sensor Z3 9 and an axial shell vibration acceleration sensor Z4 10, the axial shell vibration acceleration sensor Z3 9 is detachably connected to the right side of the rigid mounting cover 1 in the 90-degree horizontal direction, and the axial shell vibration acceleration sensor Z4 10 is detachably connected to the right side of the rigid mounting cover 1 in the 90-degree vertical direction; the detachable connection mode between the axial shell vibration acceleration sensor Z3 9 and the axial shell vibration acceleration sensor Z4 and the rigid mounting cover 1 is adhesive or threaded connection; the displacement signal acquisition device is used for acquiring displacement signals of axial absolute vibration of the centrifugal compressor.
In this embodiment, the signal processing device includes a board card frame 8, a displacement signal collecting and conditioning board card 6 detachably connected to the card frame, an acceleration signal collecting and conditioning board card 7 detachably connected to the card frame, and a main control board card 5 detachably connected to the card frame, the axial displacement vibration sensor is connected to the displacement signal collecting and conditioning board card 67, the axial shell vibration acceleration sensor is connected to the acceleration signal collecting and conditioning board card 7, the displacement signal collecting and conditioning board card 6 and the acceleration signal collecting and conditioning board card 7 are respectively connected to the main control board card 5, and the detachable connection modes among the displacement signal collecting and conditioning board card 6, the acceleration signal collecting and conditioning board card 7, the main control board card 5 and the board card frame 8 are in buckle connection.
In this embodiment, the axial displacement vibration sensor Z1 3 and the axial displacement vibration sensor Z2 4 transmit the collected displacement signals of the axial relative vibration to the displacement signal collecting and conditioning board 6, the displacement signal collecting and conditioning board 6 converts the displacement signals into digital signals, and the converted digital signals are transmitted to the main control board 5 through the bus, so that the main control board 5 monitors, records and processes the axial relative vibration of the centrifugal compressor in real time.
In this embodiment, the axial shell vibration acceleration sensor Z3 9 and the axial shell vibration acceleration sensor Z4 transmit the collected displacement signal of the axial absolute vibration to the acceleration signal collecting and conditioning board 7, the acceleration signal collecting and conditioning board 7 converts the displacement signal into a digital signal, and the converted digital signal is transmitted to the main control board 5 through the bus, so that the main control board 5 monitors, records and processes the axial absolute vibration of the centrifugal compressor in real time.
In summary, the axial integrated vibration monitoring device for the centrifugal compressor can monitor not only the axial relative vibration of the centrifugal compressor, but also the axial absolute vibration of the centrifugal compressor, so that the centrifugal compressor can be comprehensively monitored and processed.
The utility model relates to an axial comprehensive vibration monitoring device of a centrifugal compressor, which has the following working principle:
during operation, the shaft displacement vibration sensors Z1 3 and Z2 and the axial shell vibration acceleration sensors Z3 9 and Z4 are firstly installed correctly, the distances between the shaft displacement vibration sensors Z1 3 and Z2 and the rotor 2 of the centrifugal compressor are adjusted, the output ends of the shaft displacement vibration sensors Z1 3 and Z2 are sequentially connected with the displacement signal acquisition and conditioning board card 6 and the main control board card 5, the output ends of the axial shell vibration acceleration sensors Z3 9 and Z4 are sequentially connected with the acceleration signal acquisition and conditioning board card 7 and the main control board card 5, and the device can be put into use after successful debugging; the axial comprehensive vibration monitoring device can monitor the axial vibration process of the centrifugal compressor in real time, when the centrifugal compressor works, the relative axial vibration signals of the centrifugal compressor of the axial displacement vibration sensors Z1 3 and Z2 arranged on the rigid mounting cover 1 are monitored, the displacement signals are collected and processed by the displacement signal collecting and conditioning board 6, the displacement signals of the axial displacement vibration sensors Z1 3 and Z2 are converted into digital signals, the digital signals are transmitted to the main control board 5 through a bus, and the main control board 5 comprehensively monitors, records and processes the axial relative vibration displacement of the centrifugal compressor; meanwhile, the axial shell vibration acceleration sensors Z3 9 and Z4 monitor the absolute axial vibration of the centrifugal compressor from the bearing through the rigid mounting cover 1, the acceleration signal is collected and processed by the acceleration signal collecting and conditioning board 7, the displacement signals of the axial shell vibration acceleration sensors Z3 9 and Z4 are converted into digital signals, the digital signals are transmitted to the main control board 5 through a bus, and the main control board 5 comprehensively monitors, records and processes the axial absolute vibration signals of the centrifugal compressor.
When the equipment has faults caused by certain reasons, the displacement signal acquisition and conditioning board card 6 and the acceleration signal acquisition and conditioning board card 7 can collect and record the data of each point monitoring device and finally are connected to the main control board card 5 for display, and an operator can compare and pre-judge the operation process of the device through analyzing and comparing the data and provide corresponding countermeasures, so that the faults are avoided, the fault loss is reduced, and the working efficiency is improved.
It will be apparent to those skilled in the art that the various step embodiments of the utility model described above may be performed in ways other than those described herein, including but not limited to simulation methods and experimental apparatus described above. The steps of the utility model described above may in some cases be performed in a different order than that shown or described above, and may be performed separately. Therefore, the present utility model is not limited to any specific combination of hardware and software.
The foregoing is a further detailed description of the utility model in connection with specific embodiments, and is not intended to limit the practice of the utility model to such descriptions. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (6)
1. The axial comprehensive vibration monitoring device of the centrifugal compressor is characterized by comprising a rigid mounting cover, a sensor and a signal processing device;
the rigid mounting cover is fixedly arranged on the centrifugal compressor and is arranged on one side of the rotor of the centrifugal compressor, and the rigid mounting cover is used for transmitting axial vibration signals of the rotor of the centrifugal compressor;
the sensor comprises a plurality of shaft displacement vibration sensors and a plurality of axial shell vibration acceleration sensors, wherein the plurality of shaft displacement vibration sensors are detachably connected to the left side of the rigid mounting cover and used for collecting displacement signals of axial relative vibration of the centrifugal compressor, and the plurality of axial shell vibration acceleration sensors are detachably connected to the right side of the rigid mounting cover and used for collecting displacement signals of axial absolute vibration of the centrifugal compressor;
the signal processing device comprises a board card frame, a displacement signal acquisition and conditioning board card detachably connected to the card frame, an acceleration signal acquisition and conditioning board card detachably connected to the card frame and a main control board card detachably connected to the card frame, the axial displacement vibration sensor is connected with the displacement signal acquisition and conditioning board card, the axial shell vibration acceleration sensor is connected with the acceleration signal acquisition and conditioning board card, and the displacement signal acquisition and conditioning board card and the acceleration signal acquisition and conditioning board card are respectively connected with the main control board card.
2. The device for monitoring the axial integrated vibration of the centrifugal compressor according to claim 1, wherein the number of the axial displacement vibration sensors is two, namely an axial displacement vibration sensor Z1 and an axial displacement vibration sensor Z2, and the axial displacement vibration sensor Z1 and the axial displacement vibration sensor Z2 are detachably connected to the left side of the rigid mounting cover in a 180-degree horizontal direction.
3. The device for monitoring the axial integrated vibration of the centrifugal compressor according to claim 2, wherein the detachable connection mode among the shaft displacement vibration sensor Z1, the shaft displacement vibration sensor Z2 and the rigid mounting cover is threaded connection.
4. The device for monitoring the axial integrated vibration of the centrifugal compressor according to claim 1, wherein the number of the axial shell vibration acceleration sensors is two, namely an axial shell vibration acceleration sensor Z3 and an axial shell vibration acceleration sensor Z4, the axial shell vibration acceleration sensor Z3 is detachably connected to the right side of the rigid mounting cover in a 90-degree horizontal direction, and the axial shell vibration acceleration sensor Z4 is detachably connected to the right side of the rigid mounting cover in a 90-degree vertical direction.
5. The device for monitoring the axial integrated vibration of the centrifugal compressor according to claim 4, wherein the detachable connection mode among the axial shell vibration acceleration sensor Z3, the axial shell vibration acceleration sensor Z4 and the rigid mounting cover is adhesive or threaded connection.
6. The device for monitoring axial integrated vibration of a centrifugal compressor according to claim 1, wherein the detachable connection mode among the displacement signal acquisition and conditioning board card, the acceleration signal acquisition and conditioning board card, the main control board card and the board card frame is a buckle connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321107511.4U CN219869973U (en) | 2023-05-10 | 2023-05-10 | Axial comprehensive vibration monitoring device of centrifugal compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321107511.4U CN219869973U (en) | 2023-05-10 | 2023-05-10 | Axial comprehensive vibration monitoring device of centrifugal compressor |
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| Publication Number | Publication Date |
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| CN219869973U true CN219869973U (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321107511.4U Active CN219869973U (en) | 2023-05-10 | 2023-05-10 | Axial comprehensive vibration monitoring device of centrifugal compressor |
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| CN (1) | CN219869973U (en) |
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2023
- 2023-05-10 CN CN202321107511.4U patent/CN219869973U/en active Active
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