CN2795491Y - On-line monitor of screw compressor unit - Google Patents
On-line monitor of screw compressor unit Download PDFInfo
- Publication number
- CN2795491Y CN2795491Y CN 200520083445 CN200520083445U CN2795491Y CN 2795491 Y CN2795491 Y CN 2795491Y CN 200520083445 CN200520083445 CN 200520083445 CN 200520083445 U CN200520083445 U CN 200520083445U CN 2795491 Y CN2795491 Y CN 2795491Y
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- watt
- line monitor
- current vortex
- screw compressor
- monitor device
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- Expired - Lifetime
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- 238000012545 processing Methods 0.000 claims abstract description 19
- 230000001133 acceleration Effects 0.000 claims description 23
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 12
- 238000003745 diagnosis Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000010977 unit operation Methods 0.000 description 3
- 238000013481 data capture Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004171 remote diagnosis Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to an on-line monitor of a screw compressor unit, which belongs to the industrial control field. The utility model comprises a detector and a connecting box; the utility model is characterized in that the detector comprises sensors which are arranged on a motor and compressors; the detector is connected with the connecting box which is connected with a computer data processing system. The utility model can obtain the running parameter of each link in time to determine the teardown inspection position of equipment, can effectively avoid equipment failures and can reduce the maintenance cost of the equipment at maximum, with the function of overhauling in advance.
Description
Technical field
The screw compressor group on-Line Monitor Device that the utility model relates to belongs to industrial control field.
Background technique
The condition monitoring and failure diagnosis system of large-scale unit has been widely used in industries such as oil, chemical industry, generating, metallurgy.According to the data from abroad statistics, behind employing equipment condition monitoring and the fault diagnosis technology, accident rate can reduce 75%, and maintenance expenses reduces more than the 25%-50%.Domestic steam electric power unit, Systems of Centrifugal Compressor Unit all have on-line monitoring system in usefulness, and be higher to the diagnosis of accident, and they all are high-speed rotating equipments, is that a rotor is in operation.
The screw compressor group also is a high-speed rotating equipment, cost height own, and complex structure, the rotating speed height, power of motor is big, and noise is big, and is double rotor." change watt " accident of bearing black golden tile often occurs, the gap that each watt is bigger because of wearing and tearing cause can cause a play again, causes the wearing and tearing of yin, yang rotor seal line.The dust that contains in gas enters axle and is honored as a queen, and causes the wearing and tearing of axle envelope and axle.Because of the vibration and the rotor shifting of equipment causes synchromesh gear to play the damage of tooth or gear coupling.Whether the screw compressor group can only observe temperature, listening at present by rule of thumb, see current fluctuation, come judgment device unusual, and the accident rate height often causes equipment to stop suddenly, and the spare part breakage is big, and influence is produced.If on the screw compressor group, realize on-line monitoring, can avoid accident to play fine effect to the forecast in advance of equipment failure.
The model utility content
The technical problems to be solved in the utility model is: the deficiency at prior art exists provides a kind of and can accurately grasp screw compressor group equipment running status, the screw compressor group on-Line Monitor Device of prevention apparatus fault.
The technological scheme that its technical problem that solves the utility model adopts is: screw compressor group on-Line Monitor Device, comprise detector and junction box, it is characterized in that: detector comprises the sensor that is installed on motor and the compressor, detector links to each other with the junction box, and the junction box connects computer data processing system.
Sensor comprises acceleration transducer, axially current vortex sensor and current vortex sensor radially.
Acceleration transducer comprises before watt acceleration transducer behind watt acceleration transducer before the motor, the motor, the male rotor watt acceleration transducer before watt acceleration transducer and female rotor, is installed in respectively before the motor watt, behind the motor watt, before the compressor male rotor watt and before the compressor female rotor watt.
Axially current vortex sensor comprises male rotor axial displacement current vortex sensor and female rotor axial displacement current vortex sensor, is installed in respectively on the rotor axial of compressor male rotor and compressor female rotor and with axially vertical or angled.
Radially current vortex sensor comprises male rotor radial vibration current vortex sensor and female rotor radial vibration current vortex sensor, is installed in respectively on the rotor axial of compressor male rotor and compressor female rotor and with axial to overlap.
Detector can be provided with many groups, is connected with the junction box then.
Computer data processing system comprises collector, switchboard and server, and collector connects switchboard, and switchboard links to each other with server.
Server is provided with storage, browser and printer.
Detector and computer data processing system are connected with UPS.
Compared with prior art, the beneficial effect that this screw compressor group on-Line Monitor Device is had is: sensor is set on motor and compressor, detect the operation conditions of precognition equipment, by the junction box signal being sent into computer data processing system handles, obtain the Operational Limits of each link, determine that equipment continues working time, whether time that judgment device breaks down and equipment continue operation dangerous, so that determine the position of equipment strip inspection, can avoid the surplus maintenance of equipment effectively, accomplish the precognition maintenance, reduce the device maintenance expense to greatest extent.
Description of drawings
Fig. 1 is a system block diagram of the present utility model;
Fig. 2 is a sensor installation diagram of the present utility model;
Fig. 3 is that signal of the present utility model moves towards figure.
Fig. 1-the 3rd, most preferred embodiment of the present utility model, wherein: preceding watt acceleration transducer 9 compressor female rotors 10 compressor male rotors 11 motors of preceding watt acceleration transducer 4 male rotor radial vibration current vortex sensors 5 male rotor axial displacement current vortex sensors 6 female rotor axial displacement current vortex sensors 7 female rotor radial vibration current vortex sensors 8 female rotors of watt acceleration transducer 3 male rotors behind watt acceleration transducer 2 motors before 1 motor
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 1, the system block diagram of one playscript with stage directions model utility, detector connects the junction box, the junction box connects collector, collector connects switchboard, switchboard Connection Service device then, wherein detector by acceleration transducer, axially current vortex sensor and radially current vortex sensor form, collector is made up of variable connector and analog-digital converter.
As shown in Figure 2, be sensor installation diagram of the present utility model, wherein acceleration transducer 1-3,8 is installed in preceding watt and preceding watt of compressor female rotor 9 of preceding watt of motor 11, back watt, compressor male rotor 10 respectively, and axially current vortex sensor 5,6 is installed in respectively on the rotor axial of compressor male rotor 10 and compressor female rotor 9 and with axially vertical or angled.Radially current vortex sensor 4,7 is installed in respectively on the rotor axial of compressor male rotor and compressor female rotor and with axial and overlaps.
As shown in Figure 3, signal of the present utility model moves towards figure, and the acceleration transducer 1-3 in the detector, 8 signal are as one the tunnel, and axially the signal of current vortex sensor 5,6 is as one the tunnel, radially the signal of current vortex sensor 4,7 is as one the tunnel, totally three road input wires casees.The variable connector and the analog-digital converter of signal input collector by the switchboard transmission, are finally imported the server process computing then.
Current vortex sensor 4-7 in the utility model is used for detecting the radial vibration of axial displacement play and main shaft.During the axial displacement of measurement axis, measurement face is an integral body with axle, and this measurement face is to be the center with the center probe, width is the annulus of 1.5 times of probe head diameters, and when stopping, probe has only aligned the part of this annulus, behind the device start, whole annulus all can become tested surface.Every group male rotor axial displacement current vortex sensor 5 and female rotor axial displacement current vortex sensor 6 are installed, sensor is installed on the end cap of screw rod machine, with general wire-passing tube sealing.During for non-contact, at first processing boring on the housing of corresponding shaft thrust button position, by the wire-passing tube sensor installation, sensor and thrust button leave certain interval, determine the operation conditions of equipment by the shifting amount of axle.The detector of the radial vibration of main shaft is corresponding with the frequency with DC-10KHz, the sensor that temperature drift is little.Each axle is installed male rotor radial vibration current vortex sensor 4 and female rotor radial vibration current vortex sensor 7, guarantees that axis is vertical mutually, and gives the tested shaft axle center mutually.Processing boring sensor installation support on the upper shell of screw rod machine, sensor is rack-mount.Require the vertical position of the corresponding thrust button of sensor also to leave the 1mm gap, judge gap and shaft balancing between axle and the bearing shell by the vibration trend of axle.Watt acceleration transducer 8 before watt acceleration transducer 2, the preceding watt acceleration transducer 3 of male rotor and the female rotor behind the preceding watt acceleration transducer 1 of motor, the motor, be installed on the front and back watt of motor 11 and compressor drum 9,10 the signal input wires case of detection respectively.
Detector in this device and computer data processing system provide general power in order to realize 24 hours uninterrupted detections and operation by UPS, and the voltage request of part particular component can be realized by multiple power source or high-precision power.
The junction box is introduced in all the sensors outlet, then by the computer data processing system processing signals with obtain the result, and can pass through the memory storage result, so that the comparison normal data.This kind computer data processing system can adopt the data logger system or the data acquistion system of industrial widespread usage.
The junction box connects collector, enter server, upper-position unit, browser by switchboard, the local monitor net of being made up of subtense angles such as certain on-line monitoring forecast, signal analysis and processing, fault diagnosises carries out comprehensive analysis, by ceaselessly the vibration data of each all measuring point of unit being carried out on-line monitoring continuously 24 hours every days, when reporting to the police when unusual appears in unit operation, make analyzing and diagnosing through computer, for equipment management personnel provides reliable maintenance foundation.
When the screw compressor group comprises multiple compressors, can provide identical detector, insert the junction box by cable then, online detection when realizing compressor bank.
Signal processing system can be by being core with the computer technology, to support that remote diagnosis is a feature, support by the local monitor net that subtense angles such as data capture, online-the 2-monitoring and prediction, signal analysis and processing, fault diagnosis are formed, therefore have stronger data managing capacity, expand characteristics such as convenient and data transfer rate height.
Monitoring parameter is selected should reflect the actual motion state of unit in line with comprehensive, practical principle, considers the reasonable of hardware investment again, utilizes finite information, and operating states of the units is evaluated accurately.
Other unit operation parameters that system introduces comprise: vibration, axial displacement, speed etc., simultaneously, also introduce parameters such as bearing bush temperature, inlet and outlet pressure, temperature, current of electric, tubing pressure, oil tank liquid level, to remedy the narrow limitation of simple vibration analysis.By the combination of process parameter and vibration data, realize the population parameter comprehensive monitoring diagnosis of equipment state, improve the accuracy of fault diagnosis.System comprises fault diagnosis expert system, and diagnosis, fault signature, the fault control measures of most common failure is provided, and possesses system and on-the-spot expert's Man Machine Interface, possesses the ability that progressively improves the system fault diagnosis degree of accuracy.Every kind of parameter of native system monitoring needs corresponding sensor.
Working principle: in the front and back of helical-lobe compressor watt and each bearing portion sensor installation, the vibration variation tendency at monitoring bearing position is imported computer data processing system with data capture and is carried out computing, analysis and processing.Continuously ceaselessly the vibration data of each all measuring point of unit was carried out on-line monitoring by 24 hours, when unit operation occurs when unusual, can be blunt show on browser or the printer convenient management and handling failure, and can store fault data.
Claims (9)
1, screw compressor group on-Line Monitor Device comprises detector and junction box, it is characterized in that: detector comprises the sensor that is installed on motor and the compressor, and detector links to each other with the junction box, and the junction box connects computer data processing system.
2, screw compressor group on-Line Monitor Device according to claim 1 is characterized in that: sensor comprises acceleration transducer, axially current vortex sensor and current vortex sensor radially.
3, screw compressor group on-Line Monitor Device according to claim 1 and 2, it is characterized in that: acceleration transducer comprises before watt acceleration transducer (2) behind watt acceleration transducer (1) before the motor, the motor, the male rotor watt acceleration transducer (8) before watt acceleration transducer (3) and female rotor, is installed in preceding watt of preceding watt of motor (11), motor (11) back watt, compressor male rotor (10) and preceding watt of compressor female rotor (9) respectively.
4, screw compressor group on-Line Monitor Device according to claim 1 and 2, it is characterized in that: axially current vortex sensor comprises male rotor axial displacement current vortex sensor (4) and female rotor axial displacement current vortex sensor (7), is installed in respectively on the rotor axial of compressor male rotor (10) and compressor female rotor (9) and with axial vertical or angled.
5, screw compressor group on-Line Monitor Device according to claim 1 and 2, it is characterized in that: radially current vortex sensor comprises male rotor radial vibration current vortex sensor (5) and female rotor radial vibration current vortex sensor (6), is installed in respectively on the rotor axial of compressor male rotor (10) and compressor female rotor (9) and with axial to overlap.
6, screw compressor group on-Line Monitor Device according to claim 1 is characterized in that: detector can be provided with many groups, is connected with the junction box then.
7, screw compressor group on-Line Monitor Device according to claim 1, it is characterized in that: computer data processing system comprises collector, switchboard and server, and collector connects switchboard, and switchboard links to each other with server.
8, according to claim 1 or 6 described screw compressor group on-Line Monitor Device, it is characterized in that: server is provided with storage, browser and printer.
9, screw compressor group on-Line Monitor Device according to claim 1, it is characterized in that: detector and computer data processing system are connected with UPS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083445 CN2795491Y (en) | 2005-05-18 | 2005-05-18 | On-line monitor of screw compressor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083445 CN2795491Y (en) | 2005-05-18 | 2005-05-18 | On-line monitor of screw compressor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2795491Y true CN2795491Y (en) | 2006-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520083445 Expired - Lifetime CN2795491Y (en) | 2005-05-18 | 2005-05-18 | On-line monitor of screw compressor unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306964A (en) * | 2012-03-12 | 2013-09-18 | 上海斯可络压缩机有限公司 | Fault detection device |
| CN104533824A (en) * | 2015-01-07 | 2015-04-22 | 山东科技大学 | Standard henhouse multi-way draught fan state distributed wireless and automatic monitoring system |
| CN106122017A (en) * | 2015-05-09 | 2016-11-16 | 曼柴油机和涡轮机欧洲股份公司 | Fluid energy machine |
| CN109404285A (en) * | 2018-09-13 | 2019-03-01 | 温州大学 | The algorithm enhancing self-adaptive band-pass filter method that leapfrogs is shuffled in a kind of improvement of screw compressor fault diagnosis |
| CN110132601A (en) * | 2019-06-04 | 2019-08-16 | 内蒙古君正能源化工集团股份有限公司 | A kind of turbine spindle vibration monitor system |
| CN110657990A (en) * | 2019-10-31 | 2020-01-07 | 上海斯可络压缩机有限公司 | Online monitoring scheme for motor of screw compressor |
-
2005
- 2005-05-18 CN CN 200520083445 patent/CN2795491Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306964A (en) * | 2012-03-12 | 2013-09-18 | 上海斯可络压缩机有限公司 | Fault detection device |
| CN104533824A (en) * | 2015-01-07 | 2015-04-22 | 山东科技大学 | Standard henhouse multi-way draught fan state distributed wireless and automatic monitoring system |
| CN106122017A (en) * | 2015-05-09 | 2016-11-16 | 曼柴油机和涡轮机欧洲股份公司 | Fluid energy machine |
| US10132315B2 (en) | 2015-05-09 | 2018-11-20 | Man Energy Solutions Se | Fluid energy machine |
| CN106122017B (en) * | 2015-05-09 | 2020-01-10 | 曼恩能源方案有限公司 | Fluid energy machine |
| CN109404285A (en) * | 2018-09-13 | 2019-03-01 | 温州大学 | The algorithm enhancing self-adaptive band-pass filter method that leapfrogs is shuffled in a kind of improvement of screw compressor fault diagnosis |
| CN109404285B (en) * | 2018-09-13 | 2020-09-29 | 温州大学 | Improved shuffled frog leaping algorithm enhanced self-adaptive band-pass filtering method for screw compressor fault diagnosis |
| CN110132601A (en) * | 2019-06-04 | 2019-08-16 | 内蒙古君正能源化工集团股份有限公司 | A kind of turbine spindle vibration monitor system |
| CN110657990A (en) * | 2019-10-31 | 2020-01-07 | 上海斯可络压缩机有限公司 | Online monitoring scheme for motor of screw compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINESE ALUMINIUM CO., LTD. Free format text: FORMER OWNER: SHANDONG ALUMINIUM INDUSTRY CO., LTD. Effective date: 20080229 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080229 Address after: No. 62 North Street, Beijing, Xizhimen: 100082 Patentee after: Aluminum Corporation of China Limited Address before: No. five, 1 km road, Zhangdian District, Shandong, Zibo: 255052 Patentee before: Shandong Aluminium Industry Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150518 Granted publication date: 20060712 |