CN108869331A - A kind of centrifugal pump vibration data acquisition device - Google Patents

A kind of centrifugal pump vibration data acquisition device Download PDF

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Publication number
CN108869331A
CN108869331A CN201810419134.5A CN201810419134A CN108869331A CN 108869331 A CN108869331 A CN 108869331A CN 201810419134 A CN201810419134 A CN 201810419134A CN 108869331 A CN108869331 A CN 108869331A
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CN
China
Prior art keywords
above
mentioned
centrifugal pump
motherboard
data acquisition
Prior art date
Application number
CN201810419134.5A
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Chinese (zh)
Inventor
王齐领
唐秋凤
彭恒义
吴海江
王孝俊
Original Assignee
江苏欣皓测试技术有限公司
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Priority to CN201810419134.5A priority Critical patent/CN108869331A/en
Publication of CN108869331A publication Critical patent/CN108869331A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0088Testing machines

Abstract

A kind of centrifugal pump vibration data acquisition device, it includes wherein chassis body, industrial personal computer, radiator, chassis lid, motherboard, harness, key mutually blocks, process variable card, vibrate board, network interface, outlet, serial ports, key phase card interface, process variable card interface, oscillating plate card interface, above-mentioned industrial personal computer, radiator, motherboard, network interface, outlet, serial ports is fixedly installed in respectively in chassis body internal cavities and panel empty slot, above-mentioned chassis lid and chassis body use removable connection, above-mentioned harness and industrial personal computer, radiator, motherboard, network interface, outlet, it is arranged after serial ports connection along chassis body wall surface, it is characterized in that:Above-mentioned vibration board is connect with motherboard using plug-in, and oscillating plate card interface is connected with each centrifugal pump sensor, and the signal of acquisition is sent to operating condition machine by cable after motherboard calculation processing and is further analysed calculating.The present invention have acquisition speed it is fast, device internal structure is simple, and frame is clear, each board reusable, it is expansible the advantages that.

Description

A kind of centrifugal pump vibration data acquisition device

Technical field

The present invention relates to data acquisition device more particularly to a kind of centrifugal pump vibration data acquisition devices.

Background technique

Centrifugal pump have it is compact-sized, range of flow is wide, range of lift is wide, be suitable for mild corrosion liquid, uniform flow, The advantages that operating stablizes, is with small vibration, thus it is widely used in electric power, metallurgy, coal, building materials etc. and need to convey containing solid The industry of particle slurry, such as thermal power plant's hydraulic(-ash) sluicing, technics of metallurgy mineral dressing factory pulp conveying, coal washery coal slurry and dense medium conveying.

Centrifugal pump will unavoidably generate vibration in use, and transient vibration will undoubtedly reduce the use of centrifugal pump Service life.The vibration source of centrifugal pump can be summarized as the following aspects:

1, the rotor unbalance of centrifugal pump with misalign, cause the unbalanced reason of centrifugal pump rotor mainly to have:Material is thick It spends unevenly unqualified with design of part;

2, reason is installed, mainly includes:Anchor bolt loosens, levelness tunes up misalignment;

3, there are foreign matters, the predominantly weeds in water source or other rubbish in centrifugal pump;

4, the cavitation erosion perforation inside centrifugal pump;

5, Centrifugal Pump Design is unreasonable, predominantly the off size reason of part dimension, and the probability that such case occurs is lower.

Since centrifugal pump is in use, vibration will be unavoidably generated, then real-time monitoring centrifugal pump vibration data, It finds the problem in advance, solves the problems, such as it is that those skilled in the relevant arts need the problem of deeply thinking deeply in advance.

Summary of the invention

Technical problem to be solved by the invention is to provide a kind of frame is clear, structure is simple, acquires fireballing centrifugation Pump vibration data collector.

A kind of centrifugal pump vibration data acquisition device comprising wherein chassis body, industrial personal computer, radiator, chassis lid, mother Plate, harness, key mutually block, process variable card, vibration board, network interface, outlet, serial ports, key phase card interface, process variable card interface, Oscillating plate card interface, above-mentioned industrial personal computer, radiator, motherboard, network interface, outlet, serial ports are fixedly installed in chassis body respectively In internal cavities and panel empty slot, above-mentioned chassis lid and chassis body use removable connection, above-mentioned harness and industrial personal computer, heat dissipation It is arranged after device, motherboard, network interface, outlet, serial ports connection along chassis body wall surface;Above-mentioned vibration board and motherboard are using plug Formula connection, oscillating plate card interface are connected with each centrifugal pump sensor, and the signal of acquisition is passed after motherboard calculation processing by cable It send to operating condition machine and is further analysed calculating.

Preferably, above-mentioned chassis body includes connecting plate and extending bore, and above-mentioned connecting plate and external corresponding frame use can Tear formula connection open, above-mentioned extending bore can realize the extension of vibration board.

Preferably, above-mentioned vibration board includes multiple data acquisition channels, and above-mentioned oscillating plate card passes through oscillating plate card interface It is connected with corresponding acceleration transducer, velocity sensor, displacement sensor, noise transducer, current vortex sensor, each sensor Acquire centrifugal pump impeller shell, each monitoring point signal of water pilot bearing.

Specifically, above-mentioned vibration board includes A/D converter, above-mentioned acceleration transducer, velocity sensor, displacement sensing Device, noise transducer, current vortex sensor analog signal collected change into digital signal through above-mentioned vibration board A/D converter After be sent to motherboard.

Further, above-mentioned vibration board quantity can be extended according to corresponding centrifugal pump measuring point data.

Preferably, a kind of centrifugal pump vibration data acquisition device further includes:Key mutually blocks, process variable card and key mutually block Interface, process variable card interface, above-mentioned key, which mutually blocks, to be connected by key phase card interface with speed probe, measures centrifugal pump shaft revolving speed Signal;Above process amount card is connected by process variable card interface with pressure sensor, measure centrifugal pump gate slot all-round pressure difference and Flowpath pressure difference signal.

Specifically, above-mentioned centrifugal pump shaft tach signal is digital signal, can be conveyed directly to motherboard;Above-mentioned centrifugal pump door Slot all-round pressure difference and flowpath pressure difference signal are pulse signal, can be conveyed directly to motherboard.

Preferably, above-mentioned key mutually blocks, process variable card and oscillating plate card interface are unified, and motherboard card slot can realize multiplexing as a result,; And above-mentioned motherboard mutually blocks with key, process variable card and vibration board between use SPI protocol.

Preferably, above-mentioned serial ports is 485 serial ports, can connect PLC and third party device.

Preferably, above-mentioned heat sink location can carry out corresponding position adjusting with the expansion quantity of vibration board, to reach Preferable heat dissipation effect.

Compared with the prior art, the advantages of the present invention are as follows above-mentioned centrifugal pump vibration data acquisition device acquisition speed it is fast, Internal structure is simple, and frame is than more visible, and extendible slot on motherboard, realizes that muti-piece vibration board acquires data simultaneously;And And above-mentioned slot supports vibration board, process variable card mutually to block multiplexing with key, improves the using flexible of various types of boards Property.

Detailed description of the invention

Fig. 1 is centrifugal pump vibration data acquisition device schematic diagram in the present invention, wherein 1 being chassis body, 2 being industrial personal computer, 3 For radiator, 4 be chassis lid, 5 be motherboard, 6 be harness, 7 be key mutually block, 8 be process variable card, 9 be vibration board, 10 be net Mouthful, 11 be outlet, 12 be serial ports, 13 be key phase card interface, 14 be process variable card interface, 15 be oscillating plate card interface.

Specific embodiment

Below in conjunction with attached drawing, present invention is further described in detail, and the specific technical solution taken is:

A kind of centrifugal pump vibration data acquisition device comprising wherein chassis body 1, industrial personal computer 2, radiator 3, chassis lid 4, motherboard 5, harness 6, key mutually block 7, process variable card 8, vibration board 9, network interface 10, outlet 11, serial ports 12, key phase card interface 13, process variable card interface 14, oscillating plate card interface 15, above-mentioned industrial personal computer 2, radiator 3, motherboard 5, network interface 10, outlet 11, Serial ports is fixedly installed in respectively in 1 internal cavities of chassis body and panel empty slot, and above-mentioned chassis lid 4 is with chassis body using removable Formula connection, above-mentioned harness connect with industrial personal computer 2, radiator 3, motherboard 5, network interface 10, outlet 11, serial ports 12 after along cabinet master Body wall face arrangement;Above-mentioned vibration board 9 is connect with motherboard 5 using plug-in, oscillating plate card interface 9 and each centrifugal pump sensor phase Even, the signal of acquisition is sent to operating condition machine by cable after 5 calculation processing of motherboard and is further analysed calculating.

Above-mentioned chassis body further includes connecting plate 1.1 and extending bore 1.2, and above-mentioned connecting plate 1.1 is adopted with external corresponding frame With removable connection, above-mentioned extending bore 1.2 can realize the extension of vibration board.

Above-mentioned vibration board 9 adds containing 8 data acquisition channels, vibration board 9 by oscillating plate card interface 15 and accordingly Velocity sensor, velocity sensor, displacement sensor, noise transducer, current vortex sensor are connected, and each sensor is collected Each monitoring point signal of centrifugal pump impeller shell, water pilot bearing is analog signal, and above-mentioned analog signal is through the A/D in vibration board 9 Converter is sent to motherboard after changing into digital signal.Above-mentioned 9 quantity of vibration board can be carried out according to corresponding centrifugal pump measuring point quantity Extension.

Above-mentioned centrifugal pump vibration data acquisition device further includes that key mutually blocks 7, process variable card 8 and key phase card interface 13, process Card interface 14 is measured, above-mentioned key mutually blocks 7 and is connected by key phase card interface 13 with speed probe, measurement centrifugal pump shaft revolving speed letter Number, above-mentioned tach signal is digital signal, can be conveyed directly to motherboard;Above process amount card 8 by process variable card interface 14 with Pressure sensor is connected, and each sensor centrifugal pump gate slot all-round pressure difference collected and flowpath pressure difference signal are pulse letter Number, motherboard can be conveyed directly to.

Above-mentioned key mutually blocks 7, process variable card 8 and vibration 9 interface of board is unified, and thus 5 card slot of motherboard can realize multiplexing;It is above-mentioned Motherboard 5 mutually blocks between 7, process variable card 8 and vibration board 9 with key using SPI protocol.

Above-mentioned serial ports 12 is 485 serial ports, can connect PLC and third party device.

Above-mentioned 3 position of radiator can carry out corresponding position adjusting with the expansion quantity of vibration board 9, be dissipated with reaching best Thermal effect.

Although the preferred embodiment of the present invention has been described in detail above, it is to be clearly understood that for this field Technical staff for, the invention may be variously modified and varied.Done within the spirit and principles of the present invention What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of centrifugal pump vibration data acquisition device comprising wherein chassis body, industrial personal computer, radiator, chassis lid, mother Plate, harness, key mutually block, process variable card, vibration board, network interface, outlet, serial ports, key phase card interface, process variable card interface, Oscillating plate card interface, above-mentioned industrial personal computer, radiator, motherboard, network interface, outlet, serial ports are fixedly installed in chassis body respectively In internal cavities and panel empty slot, above-mentioned chassis lid and chassis body use removable connection, above-mentioned harness and industrial personal computer, heat dissipation It is arranged after device, motherboard, network interface, outlet, serial ports connection along chassis body wall surface, it is characterised in that:Above-mentioned vibration board with Motherboard is connected using plug-in, and oscillating plate card interface is connected with each centrifugal pump sensor, and the signal of acquisition is through motherboard calculation processing Operating condition machine is sent to by cable afterwards and is further analysed calculating.
2. a kind of centrifugal pump vibration data acquisition device according to claim 1, it is characterised in that:Above-mentioned chassis body packet Connecting plate and extending bore are included, above-mentioned connecting plate and external corresponding frame use removable connection, and above-mentioned extending bore can realize vibration The extension of board.
3. a kind of centrifugal pump vibration data acquisition device according to claim 1, it is characterised in that:Above-mentioned vibration board packet Containing multiple data acquisition channels, above-mentioned oscillating plate card by oscillating plate card interface and corresponding acceleration transducer, velocity sensor, Displacement sensor, noise transducer, current vortex sensor are connected, and each sensor acquisition centrifugal pump impeller shell, water pilot bearing are each Monitoring point signal.
4. a kind of centrifugal pump vibration data acquisition device according to claim 3, it is characterised in that:Above-mentioned vibration board packet Containing A/D converter, above-mentioned acceleration transducer, velocity sensor, displacement sensor, noise transducer, current vortex sensor institute The analog signal of acquisition is sent to motherboard after above-mentioned vibration board A/D converter changes into digital signal.
5. a kind of centrifugal pump vibration data acquisition device according to claim 4, it is characterised in that:Above-mentioned vibration board number Amount can be extended according to corresponding centrifugal pump measuring point data.
6. a kind of centrifugal pump vibration data acquisition device according to claim 1, it is characterised in that:Further include:Key mutually blocks, Process variable card and key phase card interface, process variable card interface, above-mentioned key, which mutually blocks, to be connected by key phase card interface with speed probe, is surveyed Measure centrifugal pump shaft tach signal;Above process amount card is connected by process variable card interface with pressure sensor, and centrifugal pump is measured Gate slot all-round pressure difference and flowpath pressure difference signal.
7. a kind of centrifugal pump vibration data acquisition device according to claim 6, it is characterised in that:Above-mentioned centrifugal pump shaft Tach signal is digital signal, can be conveyed directly to motherboard;Above-mentioned centrifugal pump gate slot all-round pressure difference and flowpath pressure difference signal For pulse signal, motherboard can be conveyed directly to.
8. a kind of centrifugal pump vibration data acquisition device according to claim 1, it is characterised in that:Above-mentioned key mutually blocks, mistake Journey amount card and oscillating plate card interface are unified, and motherboard card slot can realize multiplexing as a result,;And above-mentioned motherboard mutually blocks with key, process variable card And SPI protocol is used between vibration board.
9. a kind of centrifugal pump vibration data acquisition device according to claim 1, it is characterised in that:Above-mentioned serial ports is 485 Serial ports can connect PLC and third party device.
10. a kind of centrifugal pump vibration data acquisition mounted box according to claim 1, it is characterised in that:Above-mentioned radiator Position can carry out corresponding position adjusting with the expansion quantity of vibration board, to reach preferable heat dissipation effect.
CN201810419134.5A 2018-05-04 2018-05-04 A kind of centrifugal pump vibration data acquisition device CN108869331A (en)

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Application Number Priority Date Filing Date Title
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JPH09210837A (en) * 1996-02-06 1997-08-15 Kyowa Electron Instr Co Ltd Multichannel data acquisition apparatus carried on vehicle
US20040117681A1 (en) * 2002-12-11 2004-06-17 Sun Microsystems, Inc. Methods and apparatus for providing microprocessor firmware control of power sequencing on a CPCI card
CN201247061Y (en) * 2008-08-29 2009-05-27 北京市市政工程研究院;北京索通紫蜂通讯工程技术有限公司 Multichannel synchronized signal collection device
CN202435729U (en) * 2011-12-19 2012-09-12 成都飞机工业(集团)有限责任公司 Stack type data acquirer case
CN205333188U (en) * 2015-12-09 2016-06-22 成都威尔森科技发展有限责任公司 Online vibration monitor
CN205333184U (en) * 2015-12-09 2016-06-22 成都威尔森科技发展有限责任公司 Portable vibration detection appearance

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09210837A (en) * 1996-02-06 1997-08-15 Kyowa Electron Instr Co Ltd Multichannel data acquisition apparatus carried on vehicle
US20040117681A1 (en) * 2002-12-11 2004-06-17 Sun Microsystems, Inc. Methods and apparatus for providing microprocessor firmware control of power sequencing on a CPCI card
CN201247061Y (en) * 2008-08-29 2009-05-27 北京市市政工程研究院;北京索通紫蜂通讯工程技术有限公司 Multichannel synchronized signal collection device
CN202435729U (en) * 2011-12-19 2012-09-12 成都飞机工业(集团)有限责任公司 Stack type data acquirer case
CN205333188U (en) * 2015-12-09 2016-06-22 成都威尔森科技发展有限责任公司 Online vibration monitor
CN205333184U (en) * 2015-12-09 2016-06-22 成都威尔森科技发展有限责任公司 Portable vibration detection appearance

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Title
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