CN207717317U - Mine ventilator vibration acquisition device - Google Patents

Abstract

The utility model discloses a kind of mine ventilator vibration acquisition devices, including：Vibration signals collecting module, the physical vibration information for acquiring mine ventilator, and convert the physical vibration information to corresponding vibroseismic signal；Vibration signal processing module, the vibration signal processing module are connected with the vibration signals collecting module, for being handled the vibroseismic signal to obtain the first signal with predetermined amplitude range；Embedded module, the embedded module is equipped with signaling interface, the signaling interface is connected with the vibration signal processing module, and the embedded module receives first signal by the signaling interface, and is handled first signal to obtain characteristic frequency value；And industry control end module, the industry control end module are connected with the interaction end of the embedded module, to show the characteristic frequency value.The device can monitor the working condition of wind turbine in real time, and can carry out accurately analyzing and judging to failure.

Description

Mine ventilator vibration acquisition device

Technical field

The utility model is related to communication technique field more particularly to a kind of mine ventilator vibration acquisition devices.

Background technology

Fault diagnosis is to be judged to system running state and abnormal conditions, and judged as system event according to diagnosis Barrier restores to provide foundation, and mine ventilator is mainly used for mine ventilation use, since its working environment is more severe, is easy to happen event Barrier.In the prior art, the vibration monitoring device of mine ventilator mostly uses the mode of vibrating sensor access PLC system to wind turbine Vibration Condition carries out coarse evaluation, and this monitoring mode cannot be accomplished to monitor in real time, and fault diagnosis mode monitoring data are inaccurate It really, cannot effective failure judgement situation.

Invention content

In view of the above-mentioned problems of the prior art, the utility model provides mine ventilator vibration acquisition device, the device The working condition of wind turbine can be monitored in real time, and failure can be carried out accurately to analyze and judge.

To achieve the goals above, the utility model proposes a kind of mine ventilator vibration acquisition devices, including：Vibration signal Acquisition module, the physical vibration information for acquiring mine ventilator, and convert the physical vibration information to corresponding vibration Signal source；Vibration signal processing module, the vibration signal processing module are connected with the vibration signals collecting module, for pair The vibroseismic signal is handled to obtain the first signal with predetermined amplitude range；Embedded module, it is described embedded Module is equipped with signaling interface, and the signaling interface is connected with the vibration signal processing module, and the embedded module passes through The signaling interface receives first signal, and is handled first signal to obtain characteristic frequency value；And work End module is controlled, the industry control end module is connected with the interaction end of the embedded module, to show the characteristic frequency value.

In the technical scheme, the physical vibration information of mine ventilator is obtained by vibration signals collecting module first, and Vibroseismic signal is converted it into, then vibroseismic signal is handled accordingly by vibration signal processing module, to obtain The first signal with predetermined amplitude range is obtained, then is handled to obtain characteristic frequency by the first signal of embedded module pair Value, finally, is shown characteristic frequency value by industry control end module, can be according to the spy of extraction once mine ventilator breaks down Frequency is levied, to determine the abort situation of wind turbine, so that user can monitor the Vibration Condition of mine ventilator in real time, and the device can To failure accurately analyze and judge.It is understood that the failure-frequency of mine ventilator different location to break down Difference when mine ventilator breaks down, can determine type that mine ventilator breaks down according to failure-frequency value, so as to and When repair.

In addition, mine ventilator vibration acquisition device according to the present utility model, can also have following technical characteristic：

Further, the vibration signals collecting module includes vibrating sensor.

Further, the vibration signal processing module includes：Processing of signal sources circuit, for zooming in or out described shake The amplitude of dynamic signal source is gone directly to cross and be handed over to obtain the first signal with predetermined amplitude range to the first signal, and will The first signal gone after directly mistake friendship is once integrated successively respectively and quadratic integral；Power circuit, for the signal source Processing circuit and vibration signals collecting module provide voltage.

Further, the embedded module includes：Vibration signal decoder, the vibration signal decoder and the letter The connection of number interface, is amplified processing for receiving first signal, and to first signal, amplified first is believed Digital signal number is converted to, and first time filtering is carried out to the digital signal；First processing units, first processing are single Member carries out Fast Fourier Transform (FFT) (FFT) operation to digital signal, and extracts characteristic frequency value；Second processing unit, described The characteristic frequency value that the first processing units are extracted is transmitted to the industry control end module by two processing units.

Further, the vibration signal decoder includes：Amplifying circuit, the amplifying circuit are used for first letter It number is amplified；Analog-digital converter, for amplified first signal to be converted to digital signal；And filter circuit, For carrying out first time filtering to the digital signal.

Further, the industry control end module includes：Storage unit, for storing the characteristic frequency value；It is single with display Member, for showing the characteristic frequency value.

According to the mine ventilator vibration acquisition device of the utility model embodiment, can will be shaken by Fast Fourier Transform (FFT) Dynamic signal source is shown with frequency domain form, convenient for identification fault-signal；Vibration signals collecting can be filled by the way that storage unit is arranged It sets the data monitored in real time to be stored, so that user can obtain historical vibration signal at any time.

Description of the drawings

Fig. 1 is the schematic diagram of mine ventilator vibration signal acquisition device；

Fig. 2 is the schematic diagram and associated components connection figure of mine ventilator vibration signal acquisition device；

Fig. 3 is the structural schematic diagram of vibration signal decoder.

Reference numeral：

Vibration signals collecting module 100；Vibration signal processing module 200；Processing of signal sources circuit 210；Power circuit 220；Embedded module 300；Vibration signal decoder 310；Amplifying circuit 311；Analog-digital converter 312；Filter circuit 313；The One processing unit 320；Second processing unit 330；Industry control end module 400；Storage unit 410；Display unit 420.

Specific implementation mode

The utility model is described in further detail by 1~Fig. 3 below in conjunction with the accompanying drawings.

According to a kind of mine ventilator vibration acquisition device of the utility model embodiment, including：Vibration signals collecting module 100, vibration signal processing module 200, embedded module 300 and industry control end module 400.

Vibration signals collecting module 100, the physical vibration information for acquiring mine ventilator, and the physical vibration is believed Breath is converted into corresponding vibroseismic signal；Vibration signal processing module 200, the vibration signal processing module 200 are shaken with described Dynamic signal acquisition module 100 is connected, for being handled the vibroseismic signal to obtain the with predetermined amplitude range One signal；Embedded module 300, the embedded module 300 are equipped with signaling interface, the signaling interface and the vibration signal Processing module 200 is connected, and the embedded module 300 receives first signal by the signaling interface, and to described First signal is handled to obtain characteristic frequency value；And industry control end module 400, the industry control end module 400 with it is described embedding The interaction end for entering formula module 300 is connected, to show the characteristic frequency value.

It is understood that the physical vibration information of mine ventilator is obtained by vibration signals collecting module 100 first, and Vibroseismic signal is converted it into, then vibroseismic signal is handled accordingly by vibration signal processing module 200, with The first signal with predetermined amplitude range is obtained, then first signal is handled to obtain spy by embedded module 300 Frequency values are levied finally to show characteristic frequency value by industry control end module 400, it, can basis once mine ventilator breaks down The characteristic frequency of extraction, to determine the abort situation of wind turbine, so that user can monitor the Vibration Condition of mine ventilator in real time, and The device can carry out failure accurately to analyze and judge.It is understood that mine ventilator different location breaks down Failure-frequency is different, when mine ventilator breaks down, can determine class that mine ventilator breaks down according to failure-frequency value Type, to repair in time.

Specifically, the vibration signals collecting module 100 includes vibrating sensor, is vibrated by being arranged on mine ventilator Sensor can convert the physical vibration information of mine ventilator in the process of running to corresponding vibration by vibrating sensor Signal source, for example, vibrating sensor can be respectively set in the horizontal and vertical position of mine ventilator, it in this way can more comprehensively Ground measures the Vibration Condition of mine ventilator.It is worth noting that vibrating sensor can be acceleration transducer, displacement sensor Or velocity sensor.

In general, the vibration amplitude for the vibroseismic signal that vibration signals collecting module 100 obtains cannot accurately be estimated, because This needs to handle vibroseismic signal, in one embodiment of the utility model, as shown in Fig. 2, vibration signal processing Module 200 can be handled vibroseismic signal to obtain the first signal with predetermined amplitude range, specifically, vibration letter Number processing module 200 includes processing of signal sources circuit 210 and power circuit 220.Wherein, processing of signal sources circuit 210 is for putting Amplitude that is big or reducing the vibroseismic signal carries out the first signal with obtaining the first signal with predetermined amplitude range The first signal that goes directly friendship excessively, and will go after directly mistake friendship is once integrated successively respectively and quadratic integral.Power circuit 220 is used In to the processing of signal sources circuit 210 and the offer voltage of vibration signals collecting module 100.

In one embodiment of the utility model, as shown in Fig. 2, the embedded module 300 includes vibration signal solution Code device 310, first processing units 320 and second processing unit 330, wherein the vibration signal decoder 310 and the letter The connection of number interface, is amplified processing for receiving first signal, and to first signal, amplified first is believed Digital signal number is converted to, and first time filtering is carried out to the digital signal；The first processing units 320 believe number Number Fast Fourier Transform (FFT) (FFT) operation is carried out, and extracts characteristic frequency value；The second processing unit 330 is by described first The characteristic frequency value that processing unit 320 extracts is transmitted to the industry control end module 400.

Specifically, as shown in figure 3, the vibration signal decoder 310 includes：Amplifying circuit 311, analog-digital converter 312 With filter circuit 313, wherein the amplifying circuit 311 is for being amplified first signal；The analog-digital converter 312 by amplified first signal for being converted to digital signal；The filter circuit 313 is used for the digital signal Carry out first time filtering.

In one embodiment of the utility model, as shown in Fig. 2, the industry control end module 400 includes：Storage unit 410, for storing the characteristic frequency value；With display unit 420, for showing the characteristic frequency value.Specifically, display is single Embedded module 300 can be handled the characteristic frequency value that the first signal obtains and shown by member 420, for example, can be by painting The form characteristic frequency of waveform graph processed is shown.Storage unit 410 can monitor vibration signal acquisition device in real time Data stored, so that user can obtain historical vibration signal at any time.

In the description of the utility model, it is to be understood that the instructions such as term "upper", " upper end ", "lower", " lower end " Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than shown in indicating or implying Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as new to this practicality The limitation of type.

In addition, term " first ", " second " are used for description purposes only, and should not be understood as indicating or implying relatively important Property or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Person implicitly includes one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than a, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature Can be that fisrt feature is in direct contact with second feature or the first and second features pass through intermediary mediate contact.

In the present invention unless specifically defined or limited otherwise, the arts such as term " connected ", " connection ", " fixation " Language should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrally formed；Can be machinery Connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements or two The interaction relationship of a element.For the ordinary skill in the art, above-mentioned art can be understood as the case may be The concrete meaning of language in the present invention.

In the description of the specification of the utility model, reference term " one embodiment ", " some embodiments " etc. are retouched It states and means that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in the utility model extremely In few one embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to identical Embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more implementations It can be combined in any suitable manner in example or example.In addition, without conflicting with each other, those skilled in the art can be by this Different embodiments or examples and different embodiments or exemplary feature described in specification are combined.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (6)

1. a kind of mine ventilator vibration acquisition device, which is characterized in that including：

Vibration signals collecting module (100), the physical vibration information for acquiring mine ventilator, and by the physical vibration information It is converted into corresponding vibroseismic signal；

Vibration signal processing module (200), the vibration signal processing module (200) and the vibration signals collecting module (100) it is connected, for being handled the vibroseismic signal to obtain the first signal with predetermined amplitude range；

Embedded module (300), the embedded module (300) are equipped with signaling interface, and the signaling interface is believed with the vibration Number processing module (200) is connected, and the embedded module (300) receives first signal by the signaling interface, and First signal is handled to obtain characteristic frequency value；And

Industry control end module (400), the industry control end module (400) are connected with the interaction end of the embedded module (300), to Show the characteristic frequency value.

2. mine ventilator vibration acquisition device according to claim 1, which is characterized in that the vibration signals collecting module (100) include vibrating sensor.

3. mine ventilator vibration acquisition device according to claim 1, which is characterized in that the vibration signal processing module (200) include：

Processing of signal sources circuit (210), for zooming in or out the amplitude of the vibroseismic signal to obtain with predetermined amplitude First signal of range, and the first signal is gone directly to cross and is handed over, and the first signal directly crossed after handing over will be gone to carry out successively respectively Primary integral and quadratic integral；

Power circuit (220), for providing electricity to the processing of signal sources circuit (210) and vibration signals collecting module (100) Pressure.

4. mine ventilator vibration acquisition device according to claim 1, which is characterized in that the embedded module (300) Including：

Vibration signal decoder (310), the vibration signal decoder (310) connect with the signaling interface, for receiving The first signal is stated, and processing is amplified to first signal, amplified first signal is converted into digital signal, and First time filtering is carried out to the digital signal；

First processing units (320), the first processing units (320) carry out Fast Fourier Transform (FFT) (FFT) to digital signal Operation, and extract characteristic frequency value；

Second processing unit (330), the feature that the second processing unit (330) extracts the first processing units (320) Frequency values are transmitted to the industry control end module (400).

5. mine ventilator vibration acquisition device according to claim 4, which is characterized in that the vibration signal decoder (310) include：

Amplifying circuit (311), the amplifying circuit (311) is for being amplified first signal；

Analog-digital converter (312), for amplified first signal to be converted to digital signal；And

Filter circuit (313), for carrying out first time filtering to the digital signal.

6. mine ventilator vibration acquisition device according to claim 1, which is characterized in that the industry control end module (400) Including：

Storage unit (410), for storing the characteristic frequency value；With

Display unit (420), for showing the characteristic frequency value.