CN201993166U - Machine-borne large volume data recording and vibration testing system for coal mining equipment - Google Patents

Machine-borne large volume data recording and vibration testing system for coal mining equipment Download PDF

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Publication number
CN201993166U
CN201993166U CN201020699895XU CN201020699895U CN201993166U CN 201993166 U CN201993166 U CN 201993166U CN 201020699895X U CN201020699895X U CN 201020699895XU CN 201020699895 U CN201020699895 U CN 201020699895U CN 201993166 U CN201993166 U CN 201993166U
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China
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equipment
vibration acceleration
data
acceleration sensor
high capacity
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CN201020699895XU
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Chinese (zh)
Inventor
吴淼
赵国瑞
杨健健
薛光辉
吴思遥
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China University of Mining and Technology CUMT
China University of Mining and Technology Beijing CUMTB
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China University of Mining and Technology Beijing CUMTB
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Abstract

The utility model relates to a machine-borne large volume data recording and vibration testing system for coal mining equipment, which comprises a main unit, and an intrinsically safe vibration acceleration sensor, wherein the main unit comprises an embedded computer mainboard, a data acquisition card and a high-capacity solid state disk. The embedded computer mainboard in the main unit is used for receiving and storing external signals in the high-capacity solid state disk through an onboard I/O (input/output) interface of the mainboard, the external signals are mainly from two sources, one type of the external signals are acquired by a control system of electromechanical equipment, transmitted to the main unit through a communication interface and stored in real time in the high-capacity solid state disk, and the other type of the external signals are acquired by the intrinsically safe vibration acceleration sensor, conditioned by a signal conditioning module prior to being acquired by the data acquisition card in the main unit, transmitted to the embedded computer mainboard by the data acquisition card through a communication interface of the card, and stored in real time in the high-capacity solid state disk. The machine-borne large volume data recording and vibration testing system is low in cost, high in precision, fine in real time and convenient in operation.

Description

Airborne high capacity data record of a kind of colliery extractive equipment and vibration test system
Technical field
The utility model relates to a kind of instrument that is used for acquisition and recording electromechanical equipment state parameter, especially can be used for the airborne high capacity data record instrument system of extractive equipment under the coal mine.
Background technology
Large-scale extractive equipment under the coal mine is meant to the various coalcutter of fully-mechanized mining working use under the coal mine and the various development machines of fully mechanized workface use, is the most key main equipment during the coal comprehensive mechanization is produced.
In borehole operation, work under bad environment, Dust Capacity is big, low visibility, work space is narrow, very easily departs from operative orientation and the loss that causes plant equipment, therefore equipment performance is had relatively high expectations.And coal production is an industry that serious accident takes place frequently, and the death by accident number is higher than the average accident death rate of the developed country and the world far away.The development unmanned is realized the unmanned of workplace to the full extent, helps to improve the security of production run, is a direction of coal mine machinery development.
Downhole production equipment maximization day by day, high speed, robotization and intellectuality, a year producing coal amount are also soaring year by year, in case equipment failure occurs, the loss that causes is also just bigger, and therefore the requirement to security, reliability and the validity of system also further improves.People wish to provide the detection and the isolation of fault when breaking down in this while, and also requirement can just can be known before system breaks down in advance, just can carry out failure trend prediction.Like this, just can there be time enough to take measures to prevent the generation of fault, avoids unnecessary loss.The normal health work that guarantees large-scale extractive equipment under the coal mine is the needs of High-efficient Production, also can create huge social benefit and economic benefit simultaneously.
And the prerequisite of fault diagnosis and failure trend prediction is to obtain the working status parameter of comprehensive extractive equipment and carry out status monitoring.The comprehensive extractive equipment state monitoring method in down-hole commonly used at present has:
(1) airborne status monitoring
(2) wired remote status monitoring
(3) wireless remote status monitoring
Wherein the mode of wired monitoring cable in the concrete process of implementing can constantly bend along with the motion of equipment, causes the damage of cable, has so not only increased the trouble spot, and often change cable also can cause the increase cost with can not ordinary production.
In order to overcome the weakness of wired remote status monitoring, wireless launcher is installed on equipment, and is reasonably arranged the wireless interface sink in the down-hole, reach ground by cable network again and carry out status monitoring.Though but the mode of this total wireless monitor is a present research focus, and is far immature, and carry out status monitoring and the primary problem that solves of fault diagnosis diagnosis research should be obtaining of data.
Present data obtain manner has:
(1) colliery portable data instrument
(2) based on network data are obtained
Based on aforementioned two kinds of network structures, basic parameter data such as the electric current when obtaining the coalcutter operation, voltage, speed, temperature, but as preceding described, these parameters are transmitted earthward by network and are also had technical problem, especially as this class of vibration signal big signal of data volume in the unit interval, transmission is its greatest problem.
At present, known Airborne Data Recorder device mainly is meant and is used in aircraft, equipment on the vehicles such as boats and ships, the airborne high capacity data record instrument system that is used in the down-hole electromechanical equipment is various working status parameter of gathering and write down this equipment in real time, the tracking and the record of the real-time working state parameter of the healthy operation of realization equipment, especially when device fails, the running state parameter of its preceding a period of time of breaking down be can write down effectively, later fault analysis and diagnosis are convenient to.The Chinese patent notification number discloses a kind of portable coal mine data information recorder for CN 1847799A, this instrument has adopted low-grade microprocessor and small-capacity memory, acquired signal is single, can only do basic environmental parameter such as the gas of underground equipment condition of work, carbon monoxide, carbon dioxide, temperature and gather and record, can not gather and record down-hole electromechanical equipment working status parameter signal.
The meaning of carrying out the data recording of large-scale extractive equipment under the coal mine mainly contains:
(1) a large amount of raw data the during work of large-scale extractive equipment under obtaining coal mine are for the research of its Gernral Check-up provides valuable data;
(2) under the coal mine large-scale extractive equipment running parameter be retrieved as its design and improvement provides important reference data.
(3) be the informationization of coal mine downhole safety production and the final unmanned the most original most basic data refer data of research accumulation.
The utility model content
Fundamental purpose of the present utility model is, a kind of airborne high capacity data record instrument system is provided, and solves an above-mentioned difficult problem, to reach large-scale extractive equipment under the coal mine is realized himself the requirement of various running state parameters of airborne long-time huge storage capacity recording.
The utility model is achieved in that airborne high capacity data record of a kind of colliery extractive equipment and vibration test system, and its composition has main frame, the essential safe type vibration acceleration sensor.Main frame comprises embedded computer board, data collecting card, high capacity solid state hard disc.
Aforesaid airborne high capacity data record of a kind of colliery extractive equipment and vibration test system, form by the essential safe type vibration acceleration sensor (5) and the main frame (1) that are used to gather vibration acceleration signal, wherein, this essential safe type vibration acceleration sensor (5) is installed in a plurality of key positions of downhole coal mine equipment and is connected by the cable signal line with data collecting card (4), this main frame (1) is installed in the electric cabinet (9) of electromechanical equipment (6) self, by supply module power supply in the electric cabinet (9); In main frame (1), be equipped with:
--embedded computer board (2) receives and handles the various data that collect; This embedded computer board (2) carries serial port of host computer communication module (7) by plate realizes the communication of same electromechanical equipment (6); Realize the communication of same data collecting card (4) by the mainboard USB interface.
--data collecting card (4), gather by the signal after essential safe type vibration acceleration sensor (5) conditioning; This data collecting card (4) is communicated by letter by the power supply of mainboard USB interface and realization and embedded computer board (2);
--high capacity solid state hard disc (3), as the storage device records data; This high capacity solid state hard disc (3) is non-volatile, rewritable, the memory device that anti-seismic performance is good.
The airborne high capacity data record instrument system of large-scale extractive equipment under the aforesaid coal mine, main frame (1) possesses multiple communication interface and mass data storage ability; By the main control unit in this serial port of host computer communication module (7) connection electromechanical equipment electric cabinet (9); Connect essential safe type vibration acceleration sensor signal condition module (11) by main frame vibration signals collecting interface (10).
The airborne high capacity data record instrument system of large-scale extractive equipment under the aforesaid coal mine, the essential safe type vibration acceleration sensor signal condition module (11) that wherein said essential safe type vibration acceleration sensor (5) possesses self is gathered vibration acceleration signal with conditioning; And can on the downhole coal mine electromechanical equipment, install and use.
The airborne high capacity data record instrument system of large-scale extractive equipment under the aforesaid coal mine, wherein said main frame (1) only adopt the power module power supply in the electric cabinet; Can be installed in for a long time under the coal mine in the large-scale extractive equipment electric cabinet, can reach airborne requirement.
The airborne high capacity data record instrument system of large-scale extractive equipment under the aforesaid coal mine, wherein said data collecting card (4) for possess multichannel collecting, hardware is adjustable single double-end signal input, the data collecting card of the high sample frequency that software is adjustable.Can gather positive and negative 5 volts voltage signal, and by realize by the mainboard USB interface with embedded computer board (2) communicate by letter the transmission of realization signal.
Because the utility model has adopted above technical scheme, so have the following advantages:
1, the various working status parameter signals that the airborne high capacity data record instrument system of large-scale extractive equipment can collecting device under the coal mine, and these signals are had communication and memory function.
2, the airborne high capacity data record instrument system of large-scale extractive equipment can airbornely be installed under the coal mine, realizes reaching the working status parameter of the track record equipment more than one month.
3, the airborne high capacity data record instrument system of large-scale extractive equipment can be gathered and by the vibration characteristic signals and the equipment self working status parameter of host record equipment, so that the reason of follow-up processing and analytical equipment fault by this intrasystem intrinsic safety type vibration acceleration sensor when equipment breaks down under the coal mine.
4, the solid-state memory in the airborne high capacity data record instrument system of large-scale extractive equipment adopts solid-state, non-volatile memory under the coal mine, data still can not lost after power down, its memory capacity can be preserved the equipment working state parameter information more than month, and these information can copy to other-end so that analyze data.
5, when extractive equipment breaks down, timely equipment is gug not, also can be under the situation of not opening electric cabinet, and the various critical datas of final stage time before the accident of derived record instrument record, be used to analyze culprit, significant for the scene rush to repair that instructs equipment.
6, the total system volume is little, and is simple to operate, automatically control; Economical and practical, society and economic benefit are huge.
Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the utility model system architecture synoptic diagram
Fig. 2 is the utility model system and electromechanical equipment interactive communication module diagram
Fig. 3 is the utility model system acceleration vibration signals collecting module diagram
Among the figure:
1: main frame 2: embedded computer board
3: high capacity solid state hard disc 4: data collecting card
5: essential safe type vibration acceleration sensor 6: electromechanical equipment
7: serial port of host computer communication module 8: the electromechanical equipment serial communication modular
9: electromechanical equipment electric cabinet 10: main frame vibration signals collecting interface
11: essential safe type vibration acceleration sensor signal condition module
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to embodiment, structure, feature and effect thereof according to airborne high capacity data record instrument system of large-scale extractive equipment under the coal mine that the utility model proposes and method thereof, describe in detail as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can be known to present in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation by embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the utility model, yet appended graphic only provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.
Airborne high capacity data record instrument system of large-scale extractive equipment and method thereof under the coal mine of the utility model preferred embodiment, as Fig. 1, Fig. 2, shown in Figure 3, form by main frame (1) that comprises embedded computer board (2), data collecting card (4), high capacity solid state hard disc (3) and essential safe type vibration acceleration sensor (5).Wherein,
Described main frame (1) is installed in the electric cabinet (9) of electromechanical equipment (6) self, by supply module power supply in the electric cabinet (9), provides 24 volts of direct current supplys.This main frame (1) is combined by embedded computer board (2), data collecting card (4), high capacity solid state hard disc (3) compactness, and a plurality of communication interfaces externally are provided, and finishes the transmission of data.The outbound data interface that described main frame (1) provides is serial port of host computer communication module (7) and main frame vibration signals collecting interface (10), by the main control unit in the electric cabinet of this serial port of host computer communication module (7) connection device, set unified data communication agreement, after main frame and equipment are all opened, finish the communication of data at once by this serial port of host computer communication module (7); Externally connect essential safe type vibration acceleration sensor (5) by main frame vibration signals collecting interface (10), gather the equipment key position vibration signal after essential safe type vibration acceleration sensor signal condition module (11) conditioning.When device power was opened, main frame (1) started immediately, and its inner user program starts operation, the collection and the storage of beginning data.
Described embedded computer board (2); be installed in the main frame (1); be the mainboard of the low-power consumption of not only anti-high temperature but also anti-high humidity, can move mainstream operation systems such as WindowsX P, also can move the embedded OS that X PEmbedded or Windows CE etc. have power down protection.As shown in Figure 2, this embedded computer board (2) is realized same motor device (6) communication by serial port of host computer communication module (7).The RS232/RS485 interface that described serial port of host computer communication module (7) is carried for plate, connect dynamo-electric serial communication modular (8) by the RS232/RS485 interface, this electromechanics serial communication modular (8) is the communication serial port of fuselage main control unit, thereby realize same electromechanical equipment (6) communication, but carry mass-memory unit.This embedded computer board (2) is the kernel control module of this system, and the operation embedded OS is finished the collection and the record of data by moving the user program of developing, and every data of record can be accurate to a millisecond rank.
Described data collecting card (4), be installed in the main frame (1), can realize multichannel collecting, single double-end signal input that hardware is adjustable, the sample frequency that software is adjustable, be connected with the mainboard USB interface, and provide power supply by this interface, realize the high speed acquisition vibration acceleration signal by main frame vibration signals collecting interface (10), and import signal into embedded computer board (2) by the mainboard USB interface, and by embedded computer board (2) with real-time the depositing in the high capacity solid state hard disc (3) of vibration acceleration signal.An example of data collecting card (4) is to adopt RBH8261USB MINI type high-speed data acquisition card to realize.
Described high capacity solid state hard disc (3), its non-volatile storage character and antivibration characteristic, can guarantee stable real-time storage from the vibration signal of electromechanical equipment (6) and the status signal of equipment self, its jumbo storage space can be finished these signals of long storage.According to Fig. 1, in the data storage of the high capacity solid state hard disc (3) in 2,3, an example of the database of its storage is: in embedded database SQLite, it mainly is designed for embedded-development environment with data storage, need not install, code is increased income, the maximum 2TB capacity of supporting.The database of setting up has third party software to provide visualization interface for inquiry and modification database.We can be grafted directly to the code of this database in our program design.The basic clauses and subclauses of every data recording comprise: the time (date Hour Minute Second), can be accurate to millisecond; Equipment status parameter information (voltage, electric current, vibration acceleration).The vibration acceleration signal of each passage is set up a table separately, and other signal integral body from the equipment main control unit are set up a table separately.
Described essential safe type vibration acceleration sensor (5), its essential safety characteristic can make it work on the equipment that requires the essential safety working environment, an example is a plurality of key positions that essential safe type vibration acceleration sensor (5) are installed in downhole coal mine equipment, when equipment work, the vibration characteristics of recording unit key position, and with the vibration acceleration signal that collects by the conditioning of the essential safe type vibration acceleration sensor signal condition module (11) in the essential safe type vibration acceleration sensor (5).
Described electromechanical equipment (6), the signal of the voltage of the key position of the main control unit in it self the electromechanical equipment electric cabinet (9) by gathering self, electric current, temperature, other fuselage sensors etc. is transferred to it in main frame (1) as the equipment self working status parameter and handles and record.
Serial port of host computer communication module (7), it is that main frame (1) provides and the outbound data interface, an example is RS232 or RS485 communication interface, by its serial communication modular, main control unit in the electric cabinet of connection device, set unified data communication agreement, after main frame and equipment are all opened, finish the communication of data at once by this serial communication modular.
Main frame vibration signals collecting interface (10) is the external multichannel vibration signals collecting interface on the main frame (1), an example is 40 pin parallel signal connectors, gathers by the vibration acceleration signal after essential safe type vibration acceleration sensor signal condition module (11) conditioning by it.Be basic design of the present utility model as mentioned above.But, in technical field of the present utility model,, can improve other exercisable embodiment of the present utility model as long as possess the most basic knowledge.In the utility model substantive technical scheme has been proposed the patent protection request, its protection domain should comprise all variation patterns with above-mentioned technical characterstic.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.

Claims (5)

1. airborne high capacity data record of colliery extractive equipment and vibration test system, it is characterized in that it is made up of the essential safe type vibration acceleration sensor (5) and the main frame (1) that are used to gather vibration acceleration signal, wherein, this essential safe type vibration acceleration sensor (5) is installed in a plurality of key positions of downhole coal mine equipment and is connected by the cable signal line with data collecting card (4), this main frame (1) is installed in the electric cabinet (9) of electromechanical equipment (6) self, by supply module power supply in the electric cabinet (9); In main frame (1), be equipped with:
--embedded computer board (2) receives and handles the various data that collect; This embedded computer board (2) carries serial port of host computer communication module (7) by plate realizes the communication of same electromechanical equipment (6); Realize the communication of same data collecting card (4) by the mainboard USB interface.
--data collecting card (4), gather by the signal after essential safe type vibration acceleration sensor (5) conditioning; This data collecting card (4) is communicated by letter by the power supply of mainboard USB interface and realization and embedded computer board (2);
--high capacity solid state hard disc (3), as the storage device records data; This high capacity solid state hard disc (3) is non-volatile, rewritable, the memory device that anti-seismic performance is good.
2. the airborne high capacity data record instrument system of large-scale extractive equipment is characterized in that under the coal mine according to claim 1, and main frame (1) possesses multiple communication interface and mass data storage ability; By the main control unit in this serial port of host computer communication module (7) connection electromechanical equipment electric cabinet (9); Connect essential safe type vibration acceleration sensor signal condition module (11) by main frame vibration signals collecting interface (10).
3. the airborne high capacity data record instrument system of large-scale extractive equipment under the coal mine according to claim 1, it is characterized in that, the essential safe type vibration acceleration sensor signal condition module (11) that wherein said essential safe type vibration acceleration sensor (5) possesses self is gathered vibration acceleration signal with conditioning; And can on the downhole coal mine electromechanical equipment, install and use.
4. according to the airborne high capacity data record instrument system of large-scale extractive equipment under claim 1 and 2, the 3 described coal mine, it is characterized in that described main frame (1) only adopts the power module power supply in the electric cabinet; Can reach airborne requirement.
5. the airborne high capacity data record instrument system of large-scale extractive equipment under the coal mine according to claim 1, it is characterized in that described data collecting card (4) for possess multichannel collecting, hardware is adjustable single double-end signal input, the data collecting card of the high sample frequency that software is adjustable.
CN201020699895XU 2010-12-30 2010-12-30 Machine-borne large volume data recording and vibration testing system for coal mining equipment Expired - Fee Related CN201993166U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102141429A (en) * 2010-12-30 2011-08-03 中国矿业大学(北京) Vehicle-mounted large-volume data recording and vibration testing system for coal mining equipment
CN106052846A (en) * 2016-05-27 2016-10-26 山东科技大学 Portable intrinsic safety type vibration signal collection device and vibration information collection method
US9903090B2 (en) 2012-01-18 2018-02-27 Harnischfeger Technologies, Inc. System and method for vibration monitoring of a mining machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102141429A (en) * 2010-12-30 2011-08-03 中国矿业大学(北京) Vehicle-mounted large-volume data recording and vibration testing system for coal mining equipment
CN102141429B (en) * 2010-12-30 2012-08-29 中国矿业大学(北京) Vehicle-mounted large-volume data recording and vibration testing system for coal mining equipment
US9903090B2 (en) 2012-01-18 2018-02-27 Harnischfeger Technologies, Inc. System and method for vibration monitoring of a mining machine
US11021851B2 (en) 2012-01-18 2021-06-01 Joy Global Surface Mining Inc System and method for vibration monitoring of a mining machine
CN106052846A (en) * 2016-05-27 2016-10-26 山东科技大学 Portable intrinsic safety type vibration signal collection device and vibration information collection method

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Granted publication date: 20110928

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