CN205015080U - Intelligence vibration monitoring module - Google Patents
Intelligence vibration monitoring module Download PDFInfo
- Publication number
- CN205015080U CN205015080U CN201520455012.3U CN201520455012U CN205015080U CN 205015080 U CN205015080 U CN 205015080U CN 201520455012 U CN201520455012 U CN 201520455012U CN 205015080 U CN205015080 U CN 205015080U
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- China
- Prior art keywords
- circuit
- module
- vibration monitor
- intelligent vibration
- monitor module
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Abstract
The utility model relates to an intelligence vibration monitoring module, it is low mainly to have solved passageway density, and it is less to measure the type, and it comprises parts such as sensor supply circuit, vibration signal filtering circuit, digital signal processor, AD converting circuit, DA converting circuit, BNC buffer output circuit, LVDS communication interface circuit and warning logic circuit. The utility model discloses acceleration, speed, displacement and reciprocating engine vibration etc. Can be measured, various mechanical vibrations control can be be applied to, like machineries such as centrifugal separator, reciprocating engine, the hydraulic turbine, steam turbine, aerogenerator, air -blower, compressor, gear machine, water pumps.
Description
1, technical field
Heavy mechanical equipment is the key equipment that metallurgy, petrochemical industry, electric power etc. are related in national economy field, and the duty of these machines of Real-Time Monitoring is to guaranteeing that its safe operation has important directive significance.The utility model relates to a kind of rotating machinery and reciprocating machine condition monitoring system, this system comprises system framework, data communication backboard and some functional modules, described data communication backboard is arranged in framework, be provided with communication bus and some connected electronic module grafting slots, described each electronic module to be plugged on respectively on each self-corresponding slot and mutually to be communicated to connect by described system bus, described each electronic module comprises power module, state monitoring module, communication module, signal processing module, relay module, office's amplification module and pressure fluctuation module.The utility model is intelligent vibration signal monitoring module wherein, can accept the input of vibration transducer.
2, background technology
General vibration monitoring module; channel density is low; measurement type is less; majority is simple protection system; stateless monitoring function; and complex structure, the shortcoming such as very flexible, poor reliability, function singleness, installation is complicated, the life-span is short, stateless monitoring function is there is when monitoring large complicated unit.
3, utility model content
The purpose of this utility model is, a kind of intelligent vibration monitor module is provided, comprises sensor feed circuit, vibration signal filtering circuit, digital signal processor, A/D change-over circuit, D/A change-over circuit, BNCBuffer output circuit, LVDS communication interface circuit and alarming logic circuit; Described sensor feed circuit can provide required power supply for sensor; Described digital signal processor is connected with A/D change-over circuit, and digital signal processor can also extract the eigenwert of vibration signal simultaneously, control D/A change-over circuit; Each module has four passages, accessible No. four sensor inputs; Signal source can ICP sensor, and magnetoelectric transducer also can be LVDT sensor, and described vibration monitoring module is different according to software merit rating, automatically selects different sensor types; Described module has 4 4-20mA current output terminals corresponding with four passages of module; There are four BNC Buffer output terminal, corresponding with four passages of intelligent vibration monitor module respectively, for other data acquisition system (DAS) provides original undressed signal; Described alarm element is some warning light emitting diodes, relay, warning loudspeaker and/or LED, LCD display; Described intelligent vibration monitor module is connected together by internal system bus with between other module; Described vibration monitoring module can export the alarm state information of each passage, can also realize report to the police multiplication and warning bypass by multiple circuit and bypass circuit; Described intelligent vibration monitor module has communication interface, is connected together by internal system bus with between other module.
Described intelligent vibration monitor module have compared with high channel density, measure type various, ICP sensor, magnetoelectric transducer or other vibration transducer can be used.For above-mentioned prior art situation, the purpose of this utility model is, provides a kind of intelligent vibration monitor protection module, measures type various, can acceleration measurement, speed, displacement and low frequency acceleration, speed, displacement.Described signal deteching circuit has higher reliability, dirigibility also can carry out digital communication, can be used in the rotary-machine state monitoring system needing vibration transducer to input.
Intelligent vibration monitor module is according to the type of sensor, and intelligence provides supply voltage.The output of sensor and the signal conditioning circuit accessed in described intelligent vibration monitor module, described signal conditioning circuit is sent in the AD of multi-channel synchronal sampling, carries out eigenwert computing and DA changes by FPGA and digital signal processor.Described intelligent vibration monitor module has LVDS communication interface, by this interface, original vibration signal is transferred to state monitoring module, and the 4-20mA electric current that described intelligent vibration monitor module also has relay dry contact output function and standard exports.
4, accompanying drawing illustrates:
Accompanying drawing 1 intelligent vibration monitor system block diagram;
Accompanying drawing 2 intelligent vibration monitor system mechanical construction drawing.
Reference numeral
1-digital signal processing unit 2-redundant power change-over circuit
3-signal filter circuit 4-BNC original signal output circuit
5-alarm output circuit 6-discrete signal input circuit
7-current output circuit 8-redundancy communication interface circuit
9-LVDS communicating circuit 10-LED pilot lamp
11-Buffer output terminal
5, embodiment
Below in conjunction with accompanying drawing 1 and Fig. 2, describe the embodiment of intelligent vibration monitor module described in the utility model in detail, but be not used for limiting protection domain of the present utility model.
Fig. 1 is circuit structure block diagram of the present utility model, and this circuit is made up of redundant power change-over circuit 2, signal filter circuit 3, digital signal processing unit 1, alarm output circuit 5, BNC original signal output circuit 4, discrete signal input circuit 6, current output circuit 7, redundancy communication interface circuit 8, LVDS communicating circuit 9.
Redundant power change-over circuit 2 supports that redundant power inputs, and can use DC24V power supply, also can use general AC220V power supply, exports intelligent vibration monitor modular circuit of the present utility model and normally to work required various voltages.
Signal filter circuit 3 comprises filtering, isolation, amplifying circuit; Input voltage is adjusted to the voltage range of applicable microprocessor used by direct current, AC signal by amplifying circuit, filtering circuit.
The signal that digital signal processing unit 1 pair of sensor collection comes carries out A/D conversion; extract eigenwert; and eigenwert is compared output alarm signal with alarm set point; thus realize to monitor the protection of machinery, intelligent vibration monitor module front panel has LED light 10 be used for the different conditions of display intelligent vibration monitor module.DSP CONTROL D/A exports the 4-20mA analog quantity corresponding with input signal simultaneously, can drive up to 750 Europe resistive loads.
Intelligent vibration monitor module is provided with redundancy communication interface circuit 8, carries out communication by system bus and state monitoring module, communication module, relay module.
Intelligent vibration monitor module is provided with LVDS communicating circuit 9, transmits data by LVDS bus and state monitoring module.
Intelligent vibration monitor module has four passages, and accessible No. four sensor inputs, carry out A/D sampling and logic control by FPGA and digital signal processor 1.
Intelligent vibration monitor module also has BNC original signal output circuit 4, for exporting the simulating signal of original unconverted, with the authenticity of holding signal, avoids information dropout, and these export and can be used for other portable monitoring instrument to use.This circuit output end has four Buffer output terminal 11, corresponding with four passages of intelligent vibration monitor module respectively.
Intelligent vibration monitor module can be coordinated by communication interface or hardware circuit and relay module and realizes alarm relay function.The utility model compared with the existing technology, channel type is many, uses simple, reliability and stability high, a lot of occasion can be applied to, as machineries such as hydro-extractor, reciprocating engine, the hydraulic turbine, steam turbine, aerogenerator, fan blower, compressor, gear mechanism, water pumps.
Claims (9)
1. an intelligent vibration monitor module, is characterized in that comprising sensor feed circuit, vibration signal filtering circuit, digital signal processor, A/D change-over circuit, D/A change-over circuit, BNCBuffer output circuit, LVDS communication interface circuit and alarming logic circuit;
Described sensor feed circuit can provide required power supply for sensor;
Described digital signal processor is connected with A/D change-over circuit, and digital signal processor can also extract the eigenwert of vibration signal simultaneously, control D/A change-over circuit.
2. intelligent vibration monitor module according to claim 1, is characterized in that: each module has four passages, accessible No. four sensor inputs.
3. intelligent vibration monitor module according to claim 1, it is characterized in that: signal source can ICP sensor, and magnetoelectric transducer also can be LVDT sensor, described vibration monitoring module is different according to software merit rating, automatically selects different sensor types.
4. intelligent vibration monitor module according to claim 1, is characterized in that: described module has 4 4-20mA current output terminals corresponding with four passages of module.
5. intelligent vibration monitor module according to claim 1, is characterized in that: have four BNC Buffer output terminal, corresponding with four passages of this module respectively, for other data acquisition system (DAS) provides original undressed signal.
6. intelligent vibration monitor module according to claim 1, is characterized in that: described alarm element is some warning light emitting diodes, relay, warning loudspeaker and/or LED, LCD display.
7. intelligent vibration monitor module according to claim 1, be is characterized in that: connected together by internal system bus between this module with other module.
8. intelligent vibration monitor module according to claim 1, is characterized in that: described intelligent vibration monitor module can export the alarm state information of each passage, can also realize report to the police multiplication and warning bypass by multiple circuit and bypass circuit.
9. intelligent vibration monitor module according to claim 1, is characterized in that: also comprise communication interface, is connected together by internal system bus with between other module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455012.3U CN205015080U (en) | 2015-06-30 | 2015-06-30 | Intelligence vibration monitoring module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455012.3U CN205015080U (en) | 2015-06-30 | 2015-06-30 | Intelligence vibration monitoring module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205015080U true CN205015080U (en) | 2016-02-03 |
Family
ID=55213675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520455012.3U Expired - Fee Related CN205015080U (en) | 2015-06-30 | 2015-06-30 | Intelligence vibration monitoring module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205015080U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297282A (en) * | 2017-07-20 | 2017-10-27 | 江苏华大离心机制造有限公司 | A kind of vibration protection method of centrifuge |
| WO2018113165A1 (en) * | 2016-12-21 | 2018-06-28 | 国网电力科学研究院 | Configurable device for monitoring vibration and swing states of hydraulic turbine set, and data acquisition method |
-
2015
- 2015-06-30 CN CN201520455012.3U patent/CN205015080U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018113165A1 (en) * | 2016-12-21 | 2018-06-28 | 国网电力科学研究院 | Configurable device for monitoring vibration and swing states of hydraulic turbine set, and data acquisition method |
| CN107297282A (en) * | 2017-07-20 | 2017-10-27 | 江苏华大离心机制造有限公司 | A kind of vibration protection method of centrifuge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20200630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |