CN101906985B - Method for remotely monitoring and controlling hydraulic support on underground working surface - Google Patents
Method for remotely monitoring and controlling hydraulic support on underground working surface Download PDFInfo
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Abstract
The invention discloses a method for remotely monitoring and controlling a hydraulic support on an underground working surface. A Power Builder platform and an SQL Server database are utilized, and a serial port of a ground industrial personal computer transmits a control parameter or operating command for the hydraulic support by means of an MODBUS protocol to an underground end head controller and an underground hydraulic support controller and receives feedback information; by utilizing a Power Builder control event, the remote tracking and display of an underground coal-winning machine is realized and the remote real-time data and state of the hydraulic support are remotely displayed on the ground industrial personal computer in forms of graphs, curves and tables; by utilizing the function of the Power Builder of quoting external events OLE and OLE Database Blob, the real-time graph processing is realized; the actions of the hydraulic support are controlled on the ground industrial personal computer according to the real-time position of the coal-winning machine on the underground working surface and the real-time state of the hydraulic support, which are analogically displayed on the ground industrial personal computer; and the hydraulic support on the underground working surface automatically tracks the position of the coal-winning machine to carry out machine-following action according to the control parameter sent by the ground industrial personal computer.
Description
Technical field
The present invention relates to a kind of monitoring and control method of hydraulic support, especially a kind of implementation method that is used for colliery hydraulic support on underground working surface remote monitoring and control.
Technical background
The hydraulic support electrohydraulic control system of colliery mining face under mine is a kind of dcs, and existing hydraulic support electrohydraulic control system has: the PM31 of the PM4 of DBT company, MARCO company and the RS20 type of JOY company etc.Be to control hydraulic support between its PM frame through the method for the interconnected one-tenth fully mechanized coal face of BIDI Bus network.In case the deficiency of this control method is the controller cisco unity malfunction, will cause the control system communicating interrupt.Communication between the PM31 frame is through BIDI Bus, the interconnected T Bus that then adopts of full face.Connect through a cable between the RS20 controller, 8 lines wherein are used for communication and urgent locking.
In addition, PM4 and PM31 adopt the mode of bus to carry out communication but are not the fieldbus of standard, and its technical thought forms early, and product is continuing the early stage thinking that forms always.And the proposition of fieldbus is later relatively.Compare with the fieldbus mode, it realizes comparatively complicated, needs to consume more system resource; Also fail to provide the communications protocol of reliable and effective; The error-detecting of data leans on the software of user's establishment to realize that the error processing capacity of network is not strong, for accuracy and the reliability of system operation that guarantees communication with makeing mistakes to retransmit fully; Should work out perfect scheduler program and communication protocol, this has just increased the difficulty and the construction cycle of system development.Reason owing to technology; Cause these control system costs higher, cost an arm and a leg, delivery cycle is long, the service is untimely, technical know-how in addition, agreement are underground, are seriously restricting the development of coal industry; More become the production of development high-efficiency intensifying, realize the bottleneck problem of unmanned exploitation.
Summary of the invention
On the basis of existing technology, the present invention provides a kind of implementation method that is used for hydraulic support on underground working surface remote monitoring and control, to solve the Long-distance Control problem of unmanned working surface hydraulic support under the coal mine.
To achieve these goals, the measure that the present invention taked comprises PowerBuilder development platform and SQLServer database, and its implementation is following:
Give downhole end head controller through ground industrial computer serial ports with the teletransmission of MODBUS communications protocol with hydraulic support on underground working surface controlled variable or operational order, send the underground hydraulic support frame controller to by the termination controller again, and receive loopback information;
Utilize PowerBuilder control incident, realize the long-range demonstration of demonstration of silo shearer remote tracing and hydraulic support real time data and state with figure, curve and form;
Utilize PowerBuilder to quote outside things OLE and OLE Database Blob realization graph in real time processing and record;
The remote monitoring and control the action of underground hydraulic support frame on the industrial computer of ground of the real time position of the mining face under mine coalcutter that shows according to simulation on the industrial computer of ground and the real-time status of hydraulic support;
Automatically follow the trail of coalcutter according to the controlled variable hydraulic support on underground working surface of ground industrial computer transmission and carry out exercises.
The above-mentioned realization monitoring method of the present invention is to utilize PowerBuilder and SQLServer; By serial ports with the communication of MODBUS agreement; Receive and write down the actual condition of mining face under mine; Comprise the coal-winning machine position; The real time data of hydraulic support and state, quote outside things OLE and OLE Database Blob to figure handle in real time, record;
Utilize the getfocus and the mousemove incident of the RichTextEdit control of PowerBuilder; The remote live simulation that on the industrial computer of ground, realizes the mining face under mine actual condition shows, shows in real time with the multi-form real time data and the status remote to coalcutter position, hydraulic support of figure, curve and form.
The above-mentioned realization control method of the present invention is to utilize PowerBuilder and SQLServer, the action of the real time position of the mining face under mine coalcutter that shows according to simulation on the industrial computer of ground and real-time status Long-distance Control underground hydraulic support frame on the industrial computer of ground of hydraulic support;
Utilize PowerBuilder; Through ground industrial computer serial ports with the communication of MODBUS agreement; With the long-range downhole end head controller that sends to of controlled variable; Send the underground hydraulic support frame controller to by the termination controller again, realize the coal mining of mining face under mine unmanned, hydraulic support on underground working surface is followed the trail of coalcutter automatically and is realized exercises.
Monitoring that the present invention is above-mentioned and implementation method are to show the mining face under mine actual conditions in simulation on the industrial computer of ground: the analog quantity beam-ends of coalcutter position, hydraulic support apart from, pass under stroke, the column cavity pressure and switching value face guard and stretch state, face guard contract state, anxious state and the atomize of stopping;
Utilize PowerBuilder and SQLServer, the real time position of the mining face under mine coalcutter that shows according to simulation on the industrial computer of ground and the real-time status of hydraulic support the rising frame, fall frame, push away gold-plating, try to stop people from fighting each other, stretch balance jack, receive balance jack, stretch the one-level wall supporting, receive the one-level wall supporting, stretch the secondary wall supporting, receive the secondary wall supporting, stretch side guard plate, receive side guard plate, stretch extensible canopy, receive extensible canopy, carry the end, sprinkle water and open and find range action of Long-distance Control underground hydraulic support frame on the industrial computer of ground;
Utilize PowerBui lder and SQLServer, the controlled variable of sending according to the ground industrial computer realize hydraulic support on underground working surface automatically according to the coalcutter position follow the trail of the rising frame, fall frame, push away gold-plating, try to stop people from fighting each other, stretch balance jack, receive balance jack, stretch the one-level wall supporting, receive the one-level wall supporting, stretch the secondary wall supporting, receive the secondary wall supporting, stretch side guard plate, receive side guard plate, stretch extensible canopy, receive extensible canopy, carry the end of coalcutter, action is opened and is found range in watering.
The present invention is a kind of implementation method that is used for colliery hydraulic support on underground working surface remote monitoring and control; Its hydraulic support electricity liquid automatic control system is the networked system that integrates control on the spot, local area control and remote monitoring; Comprise ground monitoring system, central control system, bracket controller, network communication system and supply unit, can control in real time and status monitoring hydraulic support.The ground monitoring system of its hydraulic support electrohydraulic control system belongs to the Remote part, is to realize unattended main control part.Can carry out long-range setting to the parameter bound of underground hydraulic support frame, method of operation etc.; The running status of control in real time simultaneously, record and demonstration hydraulic support; Mainly comprise cavity pressure under the support, pass analog quantity such as stroke and beam-ends distance and one-level wall supporting, switching values such as secondary wall supportings, urgency stop, spraying and coalcutter position; Save historical data; Collection control, data recording, historical query and intellectual analysis are one, and the overview with the whole data of forms such as form, curve, histogram and pie chart reflection directly perceived has higher intelligent level.Have RS485 communication interface function, carry out real-time communication to realize continuous data acquisition and control, promptly realize the unmanned automation mechanized operation, make the key link realization of coal production unmanned, really accomplish safety in production through MODBUS agreement and down-hole.Simultaneously, can each operational factor be carried out long record, and the data that collect are analyzed and handled, for crash analysis provides the firsthand information.
Implementation platform of the present invention is to adopt the PowerBuilder instrument, can be connected with any database, and applicability is very strong; Because it has powerful Data Window (data window), adds SQL statement flexibly again, for data processing provides great dirigibility; In the development environment of PowerBuilder, user-interface design has really reached " What You See Is What You Get ", makes the programming personnel in INTERFACE DESIGN, can design the interface of needs fast, and its abundant graphical interfaces is made something perfect even more perfect programmed result especially; The exclusive data base administration characteristics of PowerBuilder reach the friendly interface function with other outside things; The resource of other each side of ability widespread use; Like tripartite control or the like; Just utilized outside things functions such as serial communication, OLE and OLE DatabaseBlob in the native system, realized the serial communication function of MODBUS agreement, and accomplished task with Database Dynamic storage, display graphics.Particularly its data pipe makes that the data mutual biography on the net of disparate databases is unrivaled, the data sharing between the very convenient different background data bases, the interface of just very convenient and other system.
The inventive method has realized monitoring and the display interface of control is simulated colliery mining face under mine situation fully; Man machine operation interface and down-hole actual electrical fluid controller all fours; Meet coal mine working personnel's operating habit, simple, and content displayed information is complete; Processing speed is fast, and reliability is high.
Description of drawings
Fig. 1 is hydraulic support electricity liquid tele-control system main structure figure of the present invention;
Fig. 2 is that the present invention realizes crc check code process flow diagram.
Embodiment
With embodiment a kind of implementation method that is used for colliery hydraulic support on underground working surface remote monitoring and control that the present invention calls oneself is described in further detail below in conjunction with accompanying drawing; Those skilled in the art is after having read this embodiment; Utilize existing hydraulic end head controller; Can realize the method for hydraulic support electricity liquid remote monitoring of the present invention and control also can realizing good effect of the present invention simultaneously in conjunction with the application of the state of the art and corresponding software.
The inventive method is to adopt the PowerBuilder instrument as the front end development platform, realizes colliery unmanned working surface hydraulic support electricity liquid Long-distance Control.Its concrete implementation method is following:
One, hydraulic support controlled variable and operational order remote transmission method
The present invention realizes the ground Remote function of colliery unmanned working surface hydraulic support electrohydraulic control system; Be to realize unattended main control part; Can long-range transmission hydraulic support controlled variable and operational order; The data that transmit pass to the termination controller by the serial ports of the industrial computer of Fig. 1, also are to be received by its serial ports, with master slave mode pass to the serial ports of each bracket controller by serial ports by it after with data preparation again.
Fig. 2 is the interface that the present invention realizes hydraulic support controlled variable and operational order remote transmission, divides controlled variable translator unit and operational order translator unit.
Fig. 2 is a Window among the PowerBuilder; StaticText, SingleLineEdit, DropDownListBox, CommandButton and Picture control are arranged above; StaticText shows some static Chinese characters; SingleLineEdit is used for importing controlled variable; Controlled variable divide one-parameter, in groups push away the gold-plating parameter, move frame parameter and single frame partial circulating parameter in groups, the content that wherein comprises is seen shown in Figure 2, these parameters are the foundations that realize that hydraulic support on underground working surface carries out machine action automatically according to the coalcutter position.Keyboard among the figure below the RHP is made up of a plurality of Picture controls, and the type of figure or textual representation support action is all arranged above each.
Send controlled variable, at first controlled variable is typed into the single file editing machine after, with " transmission " of click left side half-plane; Want transmit operation order, at first select the support of action, click the keyboard below the RHP then, choose the function of wanting the support completion, with " transmission " of click RHP at DropDownLi stBox control place.Receive the order of transmission; The inventive method at first will become integers to the controlled variable or the operational order represented with character type of reading in; Owing in communication, will carry out the crc verification, but PowerBui lder does not have the XOR function, so will convert integers to binary code; Utilize the character variable of binary mode to realize the XOR function, accomplish the establishment of crc check code.
That serial ports uses is third party's control MSComm, utilizes the communication of MODBUS agreement.At first, serial ports is carried out initialization, baud rate, port address, verification form and data structure etc. are provided with and explain; Secondly; With the address, order, read register address, read register number, check code etc. and see off with hexadecimal form; Because PowerBuilder does not have the method for expressing of sexadecimal number; The present invention is expressed as binary form through the conversion of the decimal system and character type earlier with numerical value, and then writes serial ports through the number that big scale-of-two text variable (blob) will send.With the variable of blob type with data combination: b_mode=b_mode+blob (CHAR (nn [i])); When the data of sending are zero: b_mode=b_mode+b_00, carry out like this: ole_1.Object.Output=b_mode successfully delivers to serial ports with data and sends out:
ole_1.object.commport＝1//
ole1.object.settings＝″9600，N，8，1″
ole_1.object.inputlen＝1
ole_1.object.inputmode＝1
ole_1.object.portopen＝true
When having 28, for i=1to 35//parameter sends out 35 numbers altogether, i.e. 28 parameter+5+2 check codes of order
if?nn[i]＝0then
b_mode＝b_mode+b_00
else
b_mode＝b_mode+blob(CHAR(nn[i]))
end?if
next
ole_1.Object.Output＝b_mode
The 3rd, after the downhole end head controller is received order, will instruct down on the one hand in the support of correspondence, make the function of support completion requirement; Echo reply information notifies industrial computer to receive order on the other hand; The 4th, during from serial ports read data dd, the conversion of the inventive method process integer (asc (dd)) becomes the data of reading into suitable arithmetic form and calculates.
Two, hydraulic support workplace real-time state monitoring implementation method
The hydraulic support number that in reality is mined, needs is different with the difference of workplace, generally between 150～200, so coal work up till now data will send hydraulic bracket controller to as parameter.Working surface hydraulic support real-time state monitoring master interface is the Window of PowerBuilder, and small rectangular block is wherein represented support, with the RichTextEdit (rte of PowerBuilder; Many text editings) control is represented; Program is confirmed its position and width automatically according to screen width and number of holders, and composes ordinal number for each small rectangular block, and total quantity is n a times of number of holders; The kind of the various information of hydraulic support that n indicates to reflect; N=3 among the present invention promptly representes coalcutter position, atomize (red in opening), the anxious state (flicker is for opening) that stops, and has placed 3 * 200=600 RichTextEdit control altogether.Because the support number of expression is many, the information of support is also many, 600 of the up of small rectangular block or more, and the shell script of its operation can not be worked out one by one, and required setting also can not be carried out one by one, therefore realizes with grand replacement.Because PowerBuilder does not realize the statement of grand replacement, so successfully realized the function of grand replacement through discerning RichTextEdit (many text editing) control and combined window function successively. ) obtain the overall width and the length of screen; Through this.Move ((li_ScreenWidth-this.Width)/2 with (li_ScreenHeight-this.Height-600)/2) observation interface is occupied among the screen then; 200 supports of the maximum consideration of the present invention have the triplex row blockage, and every row has 200 small rectangular blocks; 200 small rectangular blocks of first row (1～200) are used to represent the state on the throne of coalcutter; 200 small rectangular blocks of second row (201～400) are used to represent the hydraulic support atomize, and 200 small rectangular blocks of the third line (401～600) are used to represent that the urgency of hydraulic support stops state, so always have 600 small rectangular blocks.Utilize the observation interface width to obtain each small rectangular block width divided by the actual bracket number; Carry out s1=rte_1.x, s2=rte_201.x, s3=rte_401.x then and confirm the position of every first small rectangular block of row; Confirm successively subsequently the expression actual bracket each small rectangular block the position and it is numbered, do not show greater than the small rectangular block of actual bracket quantity:
integer?li_count，sss1
integer?li_i，sr1，sr2
The number of control in li_count=upperbound (parent.control []) // acquisition forms
Richtextedit sr, srr, srr1, srr2, srr3//statement richtextedit text object is used to visit the control in the forms
FOR?li_i＝1TO?li_count
CHOOSE CASE parent.control [li_i] .typeof () //parent represents forms
If // this control is the richtextedit text
Quoting of this control of sr=parent.control [li_i] // obtain
sss1＝8
sr.width＝ss-sss1
sr1＝len(parent.control[li_i].classname())
sr1＝sr1-4
sr2＝integer(mid(parent.control[li_i].classname()，5，sr1))
If sr2＜=200then // first row RichTextEdit the control, expression coalcutter position
Sr.tag=string (sr2) //the tag attribute of RichTextEdit control, can show
if?sr2＞(zjs1+1)then
sr.visible＝false
end?if
sr.x＝s1+ss*(sr2-1)
else
If sr2＞200and sr2＜=400then//second row RichTextEdit the control, expression support atomize
sr.tag＝string(sr2-200)
if?sr2＞(zjs1+201)then
sr.visible＝false
end?if
sr.x＝s1+ss*(sr2-200-1)
else
If sr2＞400and sr2＜=600then//second row Ri chTextEdit the control, the anxious state that stops of expression support
sr.tag＝string(sr2-400)
if?sr2＞(zjs1+401)then
sr.visible＝false
end?if
sr.x＝s1+ss*(sr2-400-1)
end?if
end?if
end?if
end CHOOSE
next
The RichTextEdit of PowerBuilder (many text editing) control has getfocus (obtaining focus) and mousemove (mouse moves) incident; When mouse referred on the control of expression support, the mouse moving event took place, and demonstrated the numbering of support; If want to understand the detailed running status of a certain support; The blockage of available this numbering of mouse-click just ejects a window, shows the operation information of this support with forms such as form, figure and curves.Simultaneously with the redden position of colour specification coalcutter of the first row blockage,, the third line blockage flicker expression is in the anxious support that stops state with the second row blockage support that look shows to transfinite that reddens.
The present invention can monitor each operational factor and state and long record in real time, mainly comprises cavity pressure under the support, passes analog quantity such as stroke and beam-ends distance and one-level wall supporting, switching values such as secondary wall supportings, urgency stop, spraying, coalcutter position.
Among the present invention, industrial computer is that industrial computer is caller with the data of the mode collection terminal head controller of timing scan, and the termination controller is called, and the termination controller address is 00H; Termination controller and bracket controller are master-slave mode, and the bracket controller address is 01～FFH.After the termination controller is received the instruction of industrial computer read data, become serial communication form to send to industrial computer the packing data of all supports with the MODBUS agreement, also can be according to interface requirement by agreement and industrial computer communications such as PROFIBUS, CANBUS.
Three, the storage of real-time graph and demonstration
The present invention can carry out long record with each operational factor, comprises real-time graph, data etc., and is different with general data management; Its figure is very many; Therefore, native system makes full use of the OLE Database Blob function of processing graphics among the PowerBuilder, deposits figure in the database table Text field; Very convenient, avoided general employing picture (like the bmp file) to take the drawback of big quantity space.The action message of support like this can both show with the form of picture and storage like the location status of wall supporting etc.Use i=dw_1.oleactivate (dw_1.getrow () in use; 7; 0) can activate this service; Wherein dw_1 is the data window of PowerBuilder, simultaneously adds SQLCA.Lock=" RC " and SQLCA.AutoCommit=True statement in the engine of database, can be the Text field with the 7th the data field that the form of picture has been placed on the i capable (being current line getrow ()) of data window dw_1 with the status information of adopting at this moment.The Text field it should be noted that when data window is read and can not obtain with dwcontrol.GetItem simply, and palpus uses script (program): updateblob jwdbsktk1, set tx=:tx1, where tm=:tm1 and using sqlca1 realize.
In use, main interface such as Fig. 1 occur: menu content comprises: system maintenance, support management and data base administration.
1, system maintenance is the disposable management to the total system Back ground Information, can use the unitarity of guarantee information etc. in each module after these information form.
2, after the click " support management ", the interface is following:
Instruction transmission, support monitoring, workplace monitoring and the inquiry of historical data are drawn together in the support tube package management.
If click " instruction is sent ", the interface below then occurring: 1, working surface hydraulic support remote parameter setting, Long-distance Control INTERFACE DESIGN
The parameter of setting is positioned at the left half-plane of screen, enters data into single file Editorial Services, clicks " transmission " then, and the upper left side promptly shows " is sending parameter! ", if accomplish and verification correctly then show that in the upper right side " parameter is sent successfully! ", otherwise show that " parameter is sent failure! ".
Long-distance Control is positioned at the RHP of screen; At first select to move the support numbering at the drop-down list place, click the function key of below then, the function that this time point is crossed can all be presented in the blue look square in the keyboard; Click at last " transmission ", the upper left side promptly show " just order in transmit operation! ", if accomplish and verification correctly then show that in the upper right side " operational order is sent successfully! ", otherwise show that " operational order is sent failure! ".
Instruction transmission, support monitoring, workplace monitoring and the inquiry of historical data are drawn together in the support tube package management.
(1) the instruction transmission is the interface that colliery unmanned working surface hydraulic support electricity liquid tele-control system carries out long-range setting and operation to the parameters such as the method for operation of underground hydraulic support frame.
The setting of a, parameter is positioned at the left half-plane of screen, enters data into single file Editorial Services, clicks " transmission " then, and the upper left side promptly shows " is sending parameter! ", if accomplish and verification correctly then show that in the upper right side " parameter is sent successfully! ", otherwise show that " parameter is sent failure! ".
B, operated from a distance control are positioned at the RHP of screen; At first select to move the support numbering at the drop-down list place; Click the function key of below then; The function that this time point is crossed can all be presented in the blue look square in the keyboard; Click at last " transmission ", the upper left side promptly show " just order in transmit operation! ", if accomplish and verification correctly then show that in the upper right side " operational order is sent successfully! ", otherwise show that " operational order is sent failure! ".
(2) the support monitoring is the service data that shows each support in real time.
(3) the workplace monitoring is the simulation demonstration to the coal-face actual conditions.
The hydraulic support number that in reality is mined, needs is different with the difference of workplace; Generally between 150～200; So coal work up till now data will send hydraulic bracket controller to as parameter, certainly the main interface of working surface hydraulic support real-time state monitoring representes that the little number of blocks of support also will change with the variation of this parameter.Along with mouse moving; The numbering that shows the indication support up and down of blockage; And the flexible flexible situation of reality that is also showing mouse indication support in real time of the one-level wall supporting of the hydraulic support among the figure and secondary wall supporting; If also think further to understand the detailed running status of a certain support, the blockage of available this numbering of mouse-click.
(4) the inquiry of historical data can be inquired about historical data, and querying condition comprises date, support number and running status etc., these conditions be with relation.Through the inquiry of historical data, also can draw some policy-making conclusions.
Claims (4)
1. an implementation method that is used for hydraulic support on underground working surface remote monitoring and control comprises PowerBuilder development platform and SQLServer database, and its implementation is following:
Give downhole end head controller by ground industrial computer serial ports with the teletransmission of MODBUS communications protocol with hydraulic support on underground working surface controlled variable or operational order, send the underground hydraulic support frame controller to by the termination controller again, and receive loopback information;
Utilize PowerBuilder control incident, realize the long-range demonstration of demonstration of silo shearer remote tracing and hydraulic support real time data and state with figure, curve and form;
Utilize PowerBuilder to quote outside things OLE and OLE Database Blob realization graph in real time processing and record;
The remote monitoring and control the action of underground hydraulic support frame on the industrial computer of ground of the real time position of the mining face under mine coalcutter that shows according to simulation on the industrial computer of ground and the real-time status of hydraulic support;
Controlled variable hydraulic support on underground working surface according to the ground industrial computer sends is followed the trail of coalcutter realization exercises automatically.
2. implementation method as claimed in claim 1; It realizes that monitoring method is to utilize PowerBui lder and SQLServer; With the communication of MODBUS agreement, receive and write down the actual condition of mining face under mine through serial ports, comprise the coalcutter position; The real time data of hydraulic support and state, quote outside things OLE and OLE Database Blob to figure handle in real time, record;
Utilize the getfocus and the mousemove incident of the RichTextEdit control of PowerBuilder; The remote live simulation that on the industrial computer of ground, realizes the mining face under mine actual condition shows, carries out remote live with figure, curve and form multi-form real time data and state to coalcutter position, hydraulic support and shows.
3. implementation method as claimed in claim 1; It realizes that control method is to utilize PowerBuilder and SQLServer, the action of the real time position of the mining face under mine coal-winning machine that shows based on simulation on the industrial computer of ground and real-time status Long-distance Control underground hydraulic support frame on the industrial computer of ground of hydraulic support;
Utilize PowerBuilder; Through ground industrial computer serial ports with the communication of MODBUS agreement; With the long-range downhole end head controller that sends to of controlled variable; Send the underground hydraulic support frame controller to by the termination controller again, realize the coal mining of mining face under mine unmanned, hydraulic support on underground working surface is followed the trail of coalcutter automatically and is realized exercises.
4. implementation method as claimed in claim 1, this method are to show the mining face under mine actual conditions in simulation on the industrial computer of ground: the analog quantity beam-ends of coalcutter position, hydraulic support apart from, pass under stroke, the column cavity pressure and switching value face guard and stretch state, face guard contract state, anxious state and the atomize of stopping;
Utilize PowerBuilder and SQLServer, the real time position of the mining face under mine coalcutter that shows according to simulation on the industrial computer of ground and the real-time status of hydraulic support on the industrial computer of ground the rising frame, fall frame, push away gold-plating, try to stop people from fighting each other, stretch balance jack, receive balance jack, stretch the one-level wall supporting, receive the one-level wall supporting, stretch the secondary wall supporting of Long-distance Control underground hydraulic support frame, receipts secondary wall supporting, stretch side guard plate, receive side guard plate, stretch extensible canopy, receive extensible canopy, carry the end, the valve of watering and lowering dust is opened and the action of finding range;
Utilize PowerBuilder and SQLServer, the controlled variable of sending according to the ground industrial computer realize hydraulic support on underground working surface automatically according to the coalcutter position carry out rising frame, fall frame, push away gold-plating, try to stop people from fighting each other, stretch balance jack, receive balance jack, stretch the one-level wall supporting, receive the one-level wall supporting, stretch the secondary wall supporting, receive the secondary wall supporting, stretch side guard plate, receive side guard plate, stretch extensible canopy, receive extensible canopy, carry the end, the valve of watering and lowering dust is opened and the action of finding range.
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| CN201010033389A CN101906985B (en) | 2010-01-14 | 2010-01-14 | Method for remotely monitoring and controlling hydraulic support on underground working surface |
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|---|---|---|---|
| CN201010033389A CN101906985B (en) | 2010-01-14 | 2010-01-14 | Method for remotely monitoring and controlling hydraulic support on underground working surface |
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| CN102852542B (en) * | 2012-08-08 | 2014-12-10 | 北京天地玛珂电液控制系统有限公司 | Automatic control system and automatic control method used for protecting face guard of coal mine underground fully mechanized coal face support |
| CN102865075B (en) * | 2012-10-08 | 2014-10-29 | 中国矿业大学 | Remote monitor method and system for coal cutter |
| WO2017012285A1 (en) * | 2015-07-20 | 2017-01-26 | 太原理工大学 | Method for implementing a centralized control platform of hydraulic support on fully mechanized mining working face in underground coal mines |
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| CN1916367A (en) * | 2006-09-08 | 2007-02-21 | 李明生 | Technical method of system unit of monitoring load-bearing safety for hydraulic support, pillars |
| CN101109284A (en) * | 2007-07-06 | 2008-01-23 | 北京天地玛珂电液控制系统有限公司 | Foreset control device |
| CN101418688A (en) * | 2007-10-26 | 2009-04-29 | 三一重型装备有限公司 | Intelligent full automatic combine coal mining system |
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