CN206862490U - Mine ventilator vibration on-line monitoring device based on 4G technologies - Google Patents
Mine ventilator vibration on-line monitoring device based on 4G technologies Download PDFInfo
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- CN206862490U CN206862490U CN201720604193.0U CN201720604193U CN206862490U CN 206862490 U CN206862490 U CN 206862490U CN 201720604193 U CN201720604193 U CN 201720604193U CN 206862490 U CN206862490 U CN 206862490U
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Abstract
The utility model provides a kind of mine ventilator vibration on-line monitoring device based on 4G technologies, including：Multichannel IEPE acceleration transducers, AD conversion chip, for from the AD conversion chip read data fpga chip, for data cached SDRAM memory, ARM chips, 4G communication modules, the first network interface and the second network interface.The utility model uses long-range interim acquisition, SDRAM memory is cached to after fpga chip high speed acquisition acceleration signal, start 4G communication modules after capacity is filled with, or uploaded by the first network interface, certain time is waited after upload, upload is gathered again, bandwidth is effectively saved, scene can be departed from, by analyzing the acceleration signal of collection, fan trouble is directly found, and diagnoses blowing machine problem.
Description
Technical field
It the utility model is related to the on-line monitoring technique field of mine ventilator, and in particular to a kind of based on the mining of 4G technologies
Fan vibration on-Line Monitor Device.
Background technology
To solve the problems, such as Safety of Coal Mine Production, it is necessary to be monitored in real time to blower fan, blower fan on-line monitoring at present is mainly
Result is obtained by field assay.Remote online monitoring, it is necessary to collection data be divided into acceleration signal and rate signal, due to
Collection acceleration signal needs to carry out substantial amounts of high-speed data acquisition and transmission, and remote transmission needs big bandwidth, using 3G/4G
Communication, expense can be very high, causes that acceleration signal can not be gathered in practical application；And common remote online monitoring, simply adopt
Collect rate signal, because data volume is limited, it is impossible to carry out the time and frequency domain analysis of complexity, can only be sentenced by vibration amplitude
Disconnected alarm, it is impossible to analyzing failure cause.
Utility model content
The utility model proposes a kind of mine ventilator vibration on-line monitoring device based on 4G technologies, to solve prior art
In the remote online monitoring to blower fan due to it is roomy without acceleration signal can be gathered the problem of.
What the technical solution of the utility model was realized in：
A kind of mine ventilator vibration on-line monitoring device based on 4G technologies, including：Multichannel IEPE acceleration transducers, use
In the vibration acceleration signal of acquisition testing blower fan；AD conversion chip, electrically connected respectively with multichannel IEPE acceleration transducers；With
In the fpga chip that data are read from AD conversion chip, electrically connected with AD conversion chip；Stored for data cached SDRAM
Device, electrically connected with fpga chip；ARM chips, are electrically connected with fpga chip；4G communication modules, electrically connected with ARM chips；First
Network interface and the second network interface, it is connected respectively with fpga chip, ARM chips.
As further improvement of the utility model, in addition to：SD card and RS485 communication interfaces, the two respectively with ARM cores
Piece electrically connects；When no Ethernet and when 4G communication modules can not start, data storage that ARM chips read fpga chip
In SD card, data are uploaded by RS485 communication interfaces.
As further improvement of the utility model, fpga chip is Altera's Cyclone IV fpga chips, its
Sampling rate can reach 200k/s, and multiple signals synchronous acquisition.
As further improvement of the utility model, 64Mbit is saved as in SDRAM memory.
The beneficial effects of the utility model are as follows：
Mine ventilator vibration on-line monitoring device of the utility model based on 4G technologies, using long-range interim acquisition, i.e.,
SDRAM memory is cached to after fpga chip high speed acquisition acceleration signal, starts 4G communication modules after capacity is filled with, or
Uploaded by the first network interface, certain time is waited after upload, then gather upload, be effectively saved bandwidth, scene can be departed from, led to
Cross and the acceleration signal of collection is analyzed, directly find fan trouble, and diagnose blowing machine problem, save time and fund
Cost, fan vibration Remote Fault Diagnosis, fast positioning fan trouble are realized, and use 4G communication modules, can not had
Realize the transmission of data in the place of Ethernet.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the mine ventilator vibration on-line monitoring device based on 4G technologies in embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in figure 1, the structural representation for the mine ventilator vibration on-line monitoring device based on 4G technologies in embodiment.
The mine ventilator vibration on-line monitoring device based on 4G technologies in illustrative embodiment, including：Multichannel IEPE adds
Velocity sensor, AD conversion chip, fpga chip, 4G communication modules, SDRAM memory, ARM chips, the first network interface and second
Network interface；Wherein,
Multichannel IEPE acceleration transducers are used for the vibration acceleration signal of acquisition testing blower fan；AD conversion chip respectively with
Multichannel IEPE acceleration transducers electrically connect；Fpga chip for reading data from AD conversion chip is electrically connected with AD conversion chip
Connect；Electrically connected for data cached SDRAM memory with fpga chip；ARM chips electrically connect with fpga chip；4G communication moulds
Block electrically connects with ARM chips；First network interface and the second network interface are connected with fpga chip, ARM chips respectively.
The mine ventilator vibration on-line monitoring device based on 4G technologies in illustrative embodiment, in addition to：SD card and
RS485 communication interfaces, the two is electrically connected with ARM chips respectively；When no Ethernet and when 4G communication modules can not start,
The data storage that ARM chips read fpga chip uploads data in SD card, by RS485 communication interfaces.
Preferably, fpga chip is Altera's Cyclone IV fpga chips, and sampling rate can reach 200k/s,
And multiple signals synchronous acquisition.
Preferably, 64Mbit is saved as in SDRAM memory.
Second network interface, its function are remote control, and remotely this equipment can be configured, concrete configuration fpga chip
Sample rate, sampling channel, network IP, gateway, mask；Sampling parameter can be adjusted according to fan operation state, realized dynamic in real time
State monitors and positioning fan trouble.
In above-described embodiment, first by IEPE acceleration transducer acquisition testing vibration signals, it is then input to AD and turns
Chip is changed, fpga chip reads at a high speed data from AD conversion chip, and is cached in SDRAM memory, after 64Mbit is filled with
Start 4G communication modules, or host computer is transmitted to by the first network interface and analyzed, certain time is waited after upload, then gather upload.When
There is no Ethernet and when 4G communication modules can not start, the data storage that ARM chips read fpga chip is led in SD card
Cross RS485 communication interfaces and upload data.
Mine ventilator vibration on-line monitoring device based on 4G technologies in above-described embodiment, because high speed acquisition blower fan is multiple
The cycle of operation, fan trouble can be effectively analyzed, fan trouble is usually to occur in the cycle, can the abnormal frequency of outlet in frequency spectrum performance
Spectrum, fan trouble analysis precision typically has relation with sample frequency and sampled data output, as long as so sample frequency is sufficiently high, and
Meet the sample rate in several cycles, it is possible to reach highest analysis precision.Saved by the way of discontinuous transmits data
90% bandwidth, safeguard more quick；By Large Copacity SDRAM caching mechanisms, data high-speed is collected, is then communicated to
PC, that is, bandwidth is saved, precision will not be lost again；Scene can be departed from, by carrying out time domain and frequency to the acceleration signal of collection
Domain analysis, fan trouble is directly found, and diagnose blowing machine problem, save time and fund cost, realize fan vibration event
Hinder remote diagnosis, fast positioning fan trouble.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (4)
- A kind of 1. mine ventilator vibration on-line monitoring device based on 4G technologies, it is characterised in that including：Multichannel IEPE acceleration transducers, the vibration acceleration signal for acquisition testing blower fan；AD conversion chip, electrically connected respectively with IEPE acceleration transducers described in multichannel；For reading the fpga chip of data from the AD conversion chip, electrically connected with the AD conversion chip；For data cached SDRAM memory, electrically connected with the fpga chip；ARM chips, electrically connected with the fpga chip；4G communication modules, electrically connected with the ARM chips；First network interface and the second network interface, it is connected respectively with the fpga chip, the ARM chips.
- 2. the mine ventilator vibration on-line monitoring device according to claim 1 based on 4G technologies, it is characterised in that also wrap Include：SD card and RS485 communication interfaces, the two is electrically connected with the ARM chips respectively；When no Ethernet and the 4G communicate When module can not start, the ARM chips by the data storage that the fpga chip is read in the SD card, by described RS485 communication interfaces upload data.
- 3. the mine ventilator vibration on-line monitoring device according to claim 1 or 2 based on 4G technologies, it is characterised in that The fpga chip is Altera's Cyclone IV fpga chips, and its sampling rate can reach 200k/s, and multichannel is believed Number synchronous acquisition.
- 4. the mine ventilator vibration on-line monitoring device according to claim 1 based on 4G technologies, it is characterised in that described 64Mbit is saved as in SDRAM memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720604193.0U CN206862490U (en) | 2017-05-26 | 2017-05-26 | Mine ventilator vibration on-line monitoring device based on 4G technologies |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720604193.0U CN206862490U (en) | 2017-05-26 | 2017-05-26 | Mine ventilator vibration on-line monitoring device based on 4G technologies |
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| CN206862490U true CN206862490U (en) | 2018-01-09 |
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| CN201720604193.0U Active CN206862490U (en) | 2017-05-26 | 2017-05-26 | Mine ventilator vibration on-line monitoring device based on 4G technologies |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963373A (en) * | 2021-03-12 | 2021-06-15 | 中煤科工集团重庆研究院有限公司 | Method for quickly identifying hidden danger of mining axial-flow type main fan and monitoring device |
-
2017
- 2017-05-26 CN CN201720604193.0U patent/CN206862490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963373A (en) * | 2021-03-12 | 2021-06-15 | 中煤科工集团重庆研究院有限公司 | Method for quickly identifying hidden danger of mining axial-flow type main fan and monitoring device |
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