CN100538015C - A kind of force piece control device - Google Patents
A kind of force piece control device Download PDFInfo
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- CN100538015C CN100538015C CNB2007101184892A CN200710118489A CN100538015C CN 100538015 C CN100538015 C CN 100538015C CN B2007101184892 A CNB2007101184892 A CN B2007101184892A CN 200710118489 A CN200710118489 A CN 200710118489A CN 100538015 C CN100538015 C CN 100538015C
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Abstract
The present invention relates to a kind of force piece control device, is the electronic-controlled installation of the hydraulic support on a kind of fully-mechanized mining working that is used under the coal mine.The present invention includes: the data acquisition module that is connected with the stroke pressure sensor, CPU, communication module, the driver module that is connected with electromagnetic priority valve, the human-computer interface module of getting in touch by CAN bus and other supports, data acquisition module, communication module, CPU, driver module are formed control module, and controller unit is sealed in the controller box housing.Human-computer interface module is formed human and machine interface unit.Human and machine interface unit is sealed in the man-machine interface box housing, and control module is connected by communication cable with human and machine interface unit.The consumable accessory that the bracket controller reliability index is low is separated, and has improved the reliability of bracket controller, improves the working environment of consumable accessory in the support control module simultaneously, reduces its influence degree to control system.
Description
Technical field
The present invention relates to a kind of force piece control device, is a kind of electronic installation, is the control device of the hydraulic support on a kind of fully-mechanized mining working that is used under the coal mine, be a kind of be used to control the hydraulic support action and with the electronic installation of other hydraulic support contact.
Background technology
Hydraulic support is the visual plant of down-hole mining, as shown in Figure 1 be the schematic diagram of a hydraulic support, mainly comprise front-seat hydraulic cylinder 2,3 two pairs of powerful hydraulic cylinders of back discharge opeing cylinder pressure of being installed on the base 1, hydraulic cylinder is upwards elected the effect of supporting the scope of operation of playing with top board 3.Higher at preceding hydraulic cylinder height as shown in the figure, thus more convenient in the location personnel activity of A, but the danger of A position is also bigger, the coal cinder that is subjected to easily falling He splashes everywhere, stone, the collision between the equipment is general as far as possible not at A position arrangement equipment.Back discharge opeing cylinder pressure is shorter, and is less in the space of B position, and the personnel activity is not too convenient, but the B position is safer, arranges hydraulic control system usually.Hydraulic control system comprises hydraulic valve and hydraulic support control device etc.Known hydraulic support control device is made up of communication module, data acquisition module, CPU, driver module, man-machine Switching Module, stroke and pressure sensor, electromagnetic priority valve and CAN bus, as shown in Figure 2, what represent among the figure is the control device situation together of two supports, can also there be many to install linking together like that of in figure, representing, form a huge mounting system, the diagram that this manual all only draws two holder devices for convenience's sake, representative can connect a plurality of holder devices.
The condition of work of coal mining down-hole is very abominable.Moist: airborne humidity is very big, and all devices all is in by the state of airborne vapour corrosion, and all devices all may be dipped in the water at any time what is worse.The collision of machinery: the coal cinder that falls He splash everywhere, stone, the collision between the equipment, no matter artificial collision or the like is what, tender and lovely thing can't use in the down-hole at all.Safe requirement: all electric equipments must be explosion-proof or intrinsic safety type electrical equipment (electric current, voltage and the Power Limitation that intrinsic safety type electrical equipment refers to electrical equipment is at one very within the lower security scope, only can produce very little spark, can prevent to set off an explosion in flammable explosive gas, intrinsic safety type electrical equipment is the compulsory standard of China to the down-hole electric equipment products).Electronic equipment complicated like this and that harsh conditions is used the down-hole has proposed some special requirements: necessary moistureproof and waterproof, stand long-term corrosion, even if under water also can operate as normal.Stand and collide with, beat, still can operate as normal under the situation of being impacted.A plurality of hydraulic supports can link, and still can control by the control device of other hydraulic supports when a hydraulic support control device goes wrong, so that obtain valuable time under the state of emergency.The power index of all electric equipments must meet the requirement of intrinsic safety electrical equipment standard, can be explosion-proof.Require the combination of each module of the control device of hydraulic support that variety of way is arranged according to these.
A kind of method is that all modules beyond stroke and pressure sensor, electromagnetic priority valve and the CAN bus are completely integrated, and forms one and collects the complete control module that communication, data acquisition, man-machine interaction, data are treated to one.As shown in Figure 2, the advantage of doing like this is that controller function is powerful, and the speed of service is fast, and single parts are finished the control of support.Shortcoming is that control device must be selected in A or B position in Fig. 1 because control device will be finished operations such as man-machine interaction, solenoid-driven.Though if control device is arranged in A position personnel operation conveniently, the electromagnetic valve cable tail is longer, influences the maintenance of electromagnetic priority valve and main valve.And operation keyboard is arranged on the controller, pounded easily, damage, advance tide, tide is advanced in unfavorable housing seal protection easily, can influence the normal operation of whole system after control device smashes.In a word; the benefit that this structure is brought and the comparison of unfavorable factor; we can say that unfavorable factor is more more; mainly be can be because system's consumable accessory breaks down and influences system, the fault that initiating system be can not ignore causes whole system to lose efficacy; because operation interface and controll plant distance are far away; and controll plant operation such as overhauls through regular meeting, and the oversize meeting of cable tail that system connects causes electromagnetic priority valve maintenance inconvenience, and damages cable easily.Therefore, this structure is not ideal enough.
Another kind of structure is that support electrohydraulic control system control module is decomposed into controller and driver, as shown in Figure 3.Driver module is cut out the formation driver, and driver is finished signal and is amplified solenoid-driven.Remainder is left controller, and controller is finished sensor data acquisition, system program control etc., and driver and controller use single-chip microcomputer to control respectively, carry out information interaction by the Communication Control cable between them.Actual product is two boxes, and the box of driver portion is installed in the B position among Fig. 1, near electromagnetic valve, is convenient to control electromagnetic valve.The box of controller part is made as the controller box with display screen and control button, is connected with the box of drive part by cable, and the box of control section can be directed to the A position among Fig. 1, makes things convenient for personnel operation.The advantage of cutting apart like this is that controller function is powerful, and the speed of service is fast, and driver and electromagnetic priority valve are arranged nearby, make things convenient for fitting operation.Shortcoming is that the box of controller part is the operation keyboard of many in tow long lines (the controller communication cable and this sensor signal input cable that comprise left and right sides adjacent stent); the installation site is restricted; operation keyboard is towards rib; during operation towards support; action support roof and floor situation and rib situation are observed in inconvenience; be difficult for protection, smashed, break easily, cause system down.Owing to comprise more module, all to paralyse in case damage whole system, the adjacent supports controller can not be controlled the support that damages, in case there is the dangerous situation consequence hardly imaginable.And the repairing difficulty, the expense costliness.
The third method is that the human-computer interaction module in the controller is separated again, forms a special human-computer interaction interface box, forms the control system of three boxes.It all is tangible doing merits and demerits like this.Advantage is with consumable accessory---keyboard slave controller kind is peeled off out, and other two boxes can be arranged in any position of hydraulic support easily.The man-machine interface box that can use everywhere of long line is simple in structure in tow, reduces the fault rate of supervisory keyboard, improves the reliability of system, and cost is very low simultaneously, has damaged and can change at once.Shortcoming is that system unit is many, need communicate with one another, and has increased the probability of failure of system unit; The complicated cost that makes of communication increases, and efficient reduces.
Need to find a kind of method of appropriate module separation in sum, make the whole system cost minimum, fault rate is minimum, and efficient is high relatively.
Summary of the invention
For overcoming prior art problems, the present invention proposes a kind of force piece control device, described rack control device is decomposed into controller box and man-machine interface box with the support electrohydraulic control system, controller box is finished sensor data acquisition, solenoid-driven and system program control, and the man-machine interface box is finished man-machine interaction.
The object of the present invention is achieved like this: a kind of force piece control device comprises: the data acquisition module that is connected with the stroke pressure sensor, CPU, communication module, the driver module that is connected with electromagnetic priority valve, the human-computer interface module of getting in touch by CAN bus and other supports, it is characterized in that, described data acquisition module, communication module, CPU, driver module are formed control module, described control module is installed on the block controller printed circuit board (PCB), and described controller printed circuit board seal is in the controller box housing; Described human-computer interface module is formed human and machine interface unit, described human and machine interface unit is installed on the man-machine interface printed circuit board (PCB), described man-machine interface printed circuit board seal is in man-machine interface box housing, and described control module is connected by communication cable with human and machine interface unit.
The beneficial effect that the present invention produces is: the consumable accessory that the bracket controller reliability index is low is separated, improved the reliability of bracket controller, improve the working environment of consumable accessory in the support control module simultaneously, reduce its influence degree to control system, improve the working environment of man-machine interface, make it avoid being positioned over moist hostile environment as far as possible; Can be when man-machine interface is installed towards rib, the convenient installation and operation prevents that operation keyboard from being helped coal to pound damage partially, improves the reliability of man-machine interface; Even if the man-machine interface of a support is smashed or is broken down, can control by the controller of adjacent stent, do not influence whole system and carry out normal support control, reduced the influence degree of consumable accessory to system to greatest extent, the harm that unfavorable factor is caused drops to minimum limit.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the profile schematic diagram of hydraulic support;
Fig. 2 is the principle schematic that first kind of module separated;
Fig. 3 is the principle schematic that second kind of module separated;
Fig. 4 is the principle schematic that the third module is separated;
Fig. 5 is the principle schematic that module of the present invention is separated;
Fig. 6 is the structural representation of embodiment one middle controller box;
Fig. 7 is the box body among the embodiment five and the structural representation of lid link position, is the C place enlarged drawing of Figure 12;
Fig. 8 is the profile schematic diagram of the controller box among the embodiment two;
Fig. 9 is the back schematic diagram of the controller box among the embodiment two;
Figure 10 is the front view of the controller box among the embodiment two;
Figure 11 is the principle schematic of the human and machine interface unit among the embodiment four;
Figure 12 is the structural representation of the man-machine interface box among the embodiment five;
Figure 13 is the panel schematic diagram of the man-machine interface box among the embodiment six.
The specific embodiment
Embodiment one:
Fig. 5 is the principle schematic that each module of present embodiment is separated, the drawn just theory diagram of two bracket controllers among the figure, actual can have many bracket controllers it links together, one of them bracket controller comprises: the data acquisition module that is connected with the stroke pressure sensor, CPU, the communication module of getting in touch by CAN bus and other supports, the driver module that is connected with electromagnetic priority valve, human-computer interface module, described data acquisition module, communication module, CPU, driver module is formed control module, described control module is installed on the block controller printed circuit board (PCB), and described controller printed circuit board seal is in the controller box housing; Described human-computer interface module is formed human and machine interface unit, described human and machine interface unit is installed on the man-machine interface printed circuit board (PCB), described man-machine interface printed circuit board seal is in man-machine interface box housing, and described control module is connected by communication cable with human and machine interface unit.
Dispose circuit driven by electromagnetic means on the control module, can arrange nearby with electromagnetic priority valve, the position of B among Fig. 1 just, make the support control module the shortest to the stube cable of electromagnetic valve, make things convenient for the installation and the wiring of control module, do not have action button and user interface on the control module, so control module can adopt comparatively simple and direct structure.
Control module is to be the embedded OS of nucleus module with the single-chip microcomputer, form by circuit such as power module, communication module, driver module and data memory modules, communication module has 4 tunnel communicating circuits independently, can realization and man-machine interface, about adjacent frame controller and work plane monitoring host computer carry out data communication; Driver module adopts the high-power driving chip to carry out the Redundancy Design of drive circuit, has functions such as online detection, overload protection; Data memory module has the FLASH of 512K and the SRAM of 512K, can deposit program and operating system and service data thereof for system and use, and simultaneously, system has also disposed FRAM, in order to revising data cut-off protection, and simultaneously also can the storage system data.
Described rack control device of present embodiment adopts advanced computer technology, select low-power consumption, powerful, Rabbit3000 nucleus module with embedded OS μ C/OS-II, make up the bracket controller core circuit, to select jumbo SRAM for use be that operating system provides running space and system operational parameters to deposit control program and initial parameter thereof to select high capacity FLASH for use.Select for use CAN bus control chip to carry out the design of CAN telecommunication circuit, guarantee to use 4 line cables, two fully independently communication loops just can be arranged, thereby improved the reliability of system.System adopts the Redundancy Design principle; select powerful metal-oxide-semiconductor as driving chip, increase recoverable current limiting element in the driving loop, when preventing that drive circuit from breaking down; cause taking place producing power supply power-fail protection, system's cisco unity malfunction because system power sharply increases.Select for use high-precision A/D chip to carry out power supply energy consumption measurement and work of electromagnet state analysis, increased the new function of system.Select for use new material new device OLED to carry out the design of Chinese character display circuit, reduced the power consumption of system's display circuit.
Present embodiment is transplanted on chip by μ C/OS-II real-time multi-task operating system by the in-depth analysis to embedded OS, finishes the transplanting of establishment operating system on selected CPU module, and CPU is fully used.
Propping up rack control device is the core component of electrohydraulic control system; the control function of electrohydraulic control system is mainly finished by a rack control device; a rack control device of present embodiment has been realized the main operating function of electrohydraulic control system; use EEPROM to realize the power-down protection of systematic parameter; systematic parameter can be adjusted at any time; use the energy consumption testing circuit, can carry out online detection, realized the functions such as online detection of system driving circuit system's operation energy consumption.The major control function is as follows:
1. bidirectional adjacent frame one action control
● single frame one action control
The one action of adjacent frame control about realization, major key adopts on the keyboard the quick button of one action directly is set, the one action of adjacent frame control about direct control can be realized; For one action of seldom operating such as side guard board etc., can use menu mode to use soft key to finish, thereby realize whole one actions controls of 16 function supports; According to needs of production, this pushing and sliding control only is set for this, directly by the pushing and sliding key, can finishes this pushing and sliding action, these pushing and sliding kept 5 minutes.
● the chain control of single frame one action
2. bidirectional adjacent frame moves the frame programme-control automatically
Single frame of adjacent frame moves frame action control automatically about realization, after choosing adjacent frame, press start key, selected adjacent frame follow procedure is realized the automatic control of " fall → move → liter " action automatically, support " fall → move → liter " working pressure sensor, displacement transducer and temporal joint control are controlled in action, thereby realization support action closed-loop control system.According to support frame type difference, the condition of production technology and work plane roof and floor is adjusted controlling parameter, thereby makes electrohydraulic control system can satisfy the needs of different support frame type and different operating face.
3. the two-way frame that moves is automatically in groups controlled
Realize the automatic control of left-hand (or dextrad) pack support " fall → move → liter " action, when requiring the work plane condition reasonable, can make in this way, realize the fast-moving bracket in groups of support.
4. the two-way control of pushing and sliding in groups
Realize left-hand (or dextrad) pack support pushing and sliding action control, this function can improve the operating efficiency of pushing and sliding greatly, owing to adopted stroke sensor control, can realize that many push away transporter and can quantitatively advancing simultaneously, guarantee that transporter is slowly crooked, avoids the chute junction to produce excessive stress, prolong the life-span of transporter, can guarantee simultaneously the grazing of face conveyor, realize the straight propelling of work plane, the effect of pushing and sliding is relatively good.
5. the two-way extension and contraction control of face guard in groups
Realize left-hand (or dextrad) pack support face guard action control.
6. safety operation: stop control and anxious stop, locking control
Be in an emergency to use respectively in support action and stop, suddenly stop controlling with locking.Shut-down operation mainly is to stop the action that the visual range inner support is being carried out; Suddenly stop operating any action of carrying out on the face that to quit work, and will forbid moving in groups control operation; The locking order is when overhauling for force piece, and repairing frame is cut off power of electromagnetic valve, and adjacent frame about repairing frame is adopted the mode of software locking, forbids that repairing frame and adjacent frame thereof carry out any action, thereby guarantees maintainer's safety.The lock order of suddenly closing down is an order of being with self-locking, uses latch switch to control, and when latch switch is pressed, produces anxious stopping or the locking order, when self-lock switch pulls up, sends unlock command, and releasing suddenly stops, blocking.
7. system numbers and parameter modification, and permanent the preservation
System has the EEPROM unit of power-off protector, is used for preserving revisable system operational parameters, and these parameters can be revised when operation, and can forever preserve.
8. column just supports self protective function
When leakage appears in bracket upright post, column pressure can descend to some extent, can not guarantee roof pressure, even breaks away from top board, for guaranteeing effective management to the force piece top board, support self protective function just is set, system's periodic monitor column pressure, when column pressure less than a certain set-point (system default parameter, can revise) time, begin to automatically perform the setting prop action, when column reaches setting load, finish this automatic liquid supply function.
Embodiment two:
Present embodiment is a preferred version of the controller box of a rack control device, and described controller box housing is a metal rectangular box body 6, and described box body is surrounding 601 and a bottom surface 602 solder bond one, forms a bathtub type, as shown in Figure 6.The purpose of Zhi Zuoing is convenient sealing like this, and the overall performance of box body is better like this, is not afraid of and collides with, beats, impacts, and can protect the electronic component in the box to greatest extent.Have one with cassette shapes and the lid 11 that adapts of size, lid is screwed on box body.The printed circuit board (PCB) 7 of controller soldering of electronic components 8 is installed in the box, this circuit board by screw in box.Irritating in the box has fluid sealant 9, and the influx height of fluid sealant surpasses the height of electronic component, makes electronic component fully among the encirclement of fluid sealant, as shown in Figure 6.Can play extraordinary protective effect.Because present embodiment must meet the intrinsic safety requirement of China's mining equiment, control module adopts low power dissipation design, so the calorific value of electrical equipment itself is very little, does not worry the heat dissipation problem of electrical equipment.
Embodiment three:
Present embodiment is a kind of arrangement of a kind of cable socket of support control module, and the profile of support control module is the box of a rectangle, as shown in Figure 8, and for ease of recognizing and conveniently being connected the socket that stube cable has all been arranged in both sides.Box one side disposes 8 electromagnetic valve cable sockets that are connected with driver module as rear side 12, as shown in Figure 9.Front side 13, as shown in figure 10, dispose 2 that be connected with communication module with about 4 core cable sockets of adjacent frame communication, 4 core cable sockets of 1 that be connected with CPU and human and machine interface unit communication, 14 core cable socket that are connected with stroke sensor with data acquisition module, 4 core cable sockets of 2 pressure sensors that are connected with data acquisition module, 4 core cable sockets of 1 position monitoring sensor that is connected with data acquisition module.
8 electromagnetic valve cable sockets of rear side configuration of controller box can connect 8 electromagnetic valves, finish 16 control functions.The front side disposes 74 core cable sockets, wherein 2 be about adjacent frame Communication Control cable, 1 is man-machine interface Communication Control cable, 1 is the stroke sensor cable, 2 is the pressure sensor cable, also have 1 to be the intelligence mouth in addition, can connect coal-winning machine and carry out the coal-winning machine position monitoring with machine equipment; The benefit that such structure is brought is that simple for structure, installation and maintenance are comparatively convenient.
Embodiment four:
Present embodiment is the preferred version of human and machine interface unit.The human and machine interface unit of present embodiment comprises: as the Chinese characters display screen of man-machine interface CPU, keyboard and the keyboard scanning circuit that is connected with keyboard, the idsplay order of core devices with and the display circuit, the buzzer that are connected with Chinese characters display screen and the aural warning circuit that is connected with buzzer, emergency stop switch and the urgency that is connected with the emergency stop switch communicating circuit that is connected with 4 core cable sockets that stops locking circuit, carry out communication with control module; Described keyboard circuit, display circuit, aural warning circuit, urgency is stopped locking circuit, communicating circuit is connected with man-machine interface CPU, as shown in figure 11.
The support man-machine interface is to be the microcontroller system circuit of core devices with the single-chip microcomputer, form by keyboard circuit, display circuit, buzzer control circuit, anxious close down lock circuit and communicating circuit etc., keyboard circuit receives operation keyboard operation decoding, forms the instruction that bracket controller will be finished; Display circuit is shown to keyboard operation and system's display command of receiving on the screen; The buzzer control circuit, when keyboard operation, or system will carry out action or during fault alarm, send caution; The lock circuit of suddenly closing down detects the anxious lock-switch state of closing down, the anxious lock order of closing down of establishment; Communicating circuit is used for carrying out communication with controller, realizes the exchanges data between man-machine interface and the controller, and the keyboard operation instruction is sent on the controller, simultaneously system mode demonstration information is sent to man-machine interface.
Man-machine interface is the man-machine interactive operation that is used for realizing electrohydraulic control system, uses man-machine interface not only can send various control commands, can also realize the functions such as running status demonstration, fault alarm and parameter modification of electrohydraulic control system.Man-machine interface will be ordered by control cables and will be sent to this controller, and this controller continues to send or carry out the control command that receives then.
Embodiment five:
Present embodiment is the preferred version of man-machine interface box, as shown in figure 12.Man-machine interface box housing is the metal rectangular box body, and box body is surrounding 1501 and a bottom surface 1502 solder bond one.Bottom at the man-machine interface box is provided with a projection 1503 for communication socket 16 and buzzer 21 are installed.Be the convenient lid 14 of installing, surrounding 1501 opening ends of box body have a metal step 1504, and there is a groove 1505 step and adjacent position, peripheral junction, place O RunddichtringO 10 in this groove, as shown in Figure 7.Have one with the lid 14 of surrounding shape and big small-sized adaptation, lid is screwed on metal step 1504.Be furnished with key zone, button area, Chinese-character display on the lid face, Chinese character shows employing OLED display.Button printed substrate 18 is installed below the key zone lid, mushroom-shaped emergency stop switch 19 is housed in button area.For waterproof, the moistureproof inner box 17 that also has a special placement printed circuit board (PCB) in the man-machine interface box, the printed circuit board (PCB) of man-machine interface in inner box, is irritated fluid sealant 9 by screw in the inner box, and the influx height of fluid sealant surpasses the height of electronic component.Bottom one side of box has a rectangular protrusions 1503, and as shown in figure 12,14 core cable socket 16 is equipped with in a side of projection, and it can be connected with 4 core communication cable sockets on the controller box, carries out exchanges data.Use locking device to carry out the fastening of plug-in unit on the 4 core communication cable sockets, prevent to transport the vibration pull-off in the use.The opposite side of man-machine interface box base projections is installed buzzer 21, and buzzer is mounted in the special buzzer box 20.The outside side of buzzer box is porose, can emit the sound of buzzer.The strict sealing of the connecting portion of buzzer box and man-machine interface box, buzzer is a waterproof, buzzer and in also poured into fluid sealant.Use the advantage of man-machine interface to be to make things convenient for system to install, man-machine interface can be installed in convenient walking, the place of handled easily and maintenance, can be towards rib, prevent to help partially the pound damage of coal to guidance panel, improve the physical environment of man-machine interface in the manufacturing process, thereby can improve the reliability of man-machine interface greatly.
Embodiment six:
Present embodiment is the lid of man-machine interface box, a kind of preferred scheme of the form of panel just, as shown in figure 13.On the lid of the described man-machine interface box of present embodiment housing, just panel is arranged key zone 1401 and button area 1402, and the button top in the described key zone is the hard making sheet thin film switch button of the square opening bottom of lid for sealing.Button in the button area is the mushroom-shaped button that metal is made, and is used for suddenly stopping, locking, carries out the urgency latching operation of closing down.Use the waterproof buzzer to operate caution and fault alarm.
Support man-machine interface operation keyboard is divided into 4 zones, comprise one action control zone, direction control zone, menu operation district and start and stop control zone, finish corresponding operation according to the unique function of definition respectively, active region can directly push button just can carry out corresponding action; The direction control zone can the select target frame opereating specification, select during single frame control be about adjacent frame, what select when controlling in groups is a pack support of the right and left.The menu operation district can carry out the System menu operation.Start-stop zone can start the action that single frame moves frame automatically or becomes pack support.
Embodiment seven:
Present embodiment is the preferred version of the case body of control module and human and machine interface unit.Because subsurface environment is harsh, thus be very harsh to the requirement of the shell of control module and human and machine interface unit, must be anticorrosion, shock-resistant, moistureproof or the like.The material that shell is selected for use must meet these requirements, and which point is not accomplished all can be brought bad influence.What meet these requirements can be metal, for example stainless steel or other alloy steels, also can be the surface be coated with anticorrosive coat other than the inexpensive structure steel.Also can use composite material, high strength glass fiber or the like for example, but cost an arm and a leg.Present embodiment is employed to be stainless steel.The stainless steel shock resistance is better, and moistureproof, corrosion resistant performance is also better, also can use even soak in water.
The shell of man machine operation interface is made by stainless steel, built-in microcomputer control circuit, circuit board is placed in the rectangular tank that is fixed on the guidance panel, and uses epoxy resin (or silica gel) embedding, and the shell protection grade of man machine operation interface can reach IP68.One side of man machine operation interface is furnished with the socket of 1 control cables, can be connected to the man machine operation interface communication interface of this controller, communicate with this controller, the port that the right side of man machine operation interface is furnished with buzzer and is used to suppress, on the panel of man machine operation interface, dispose 21 operated keys, be divided into direction control, single action control, menu operation and 4 operating spaces of start and stop control; Each key all disposes an indicator lamp, is used for carrying out keyboard operation prompting and keyboard operation navigation, also has a power supply indicator and two status indicator lamps, totally 24 indicator lamps in addition; Dispose an OLED display, can show 4 row, 8 row Chinese characters; Dispose an emergency stop switch and latch switch, be used for carrying out urgency and stop control and lock operation, emergency stop switch and latch switch adopt locking press button, and down state is held.
Embodiment eight:
What be that embodiment narrates is the fluid sealant that uses in control module and human and machine interface unit.Fluid sealant can use multiple.For example epoxy resin or silica gel or other fluid sealants.Basic demand is a good fluidity, and is easy to use, and electronic component is not had corrosiveness.What present embodiment used is epoxy resin.
By separation to controller architecture, core (bracket controller) core circuit of controller can be positioned in the housing of an opening, and use epoxy resin embedding, thereby guaranteed that bracket controller can be positioned over long-term work under water, man-machine interface is used and is opened U type groove, embedding O type circle seals, can continuous operation under 1.2m deep water, because man-machine interface is easy for installation, can be installed in and face support, be difficult for impaired position, prevent to help coal to smash panel partially, thereby improved the degree of protection and the protection effect of man machine operation interface.
Claims (10)
1. a force piece control device comprises: the data acquisition module that is connected with stroke sensor, pressure sensor, CPU, communication module, the driver module that is connected with electromagnetic priority valve, the human-computer interface module of getting in touch by CAN bus and other supports, it is characterized in that, described data acquisition module, communication module, CPU, driver module are formed control module, described control module is installed on the block controller printed circuit board (PCB), and described controller printed circuit board seal is in the controller box housing; Described human-computer interface module is formed human and machine interface unit, described human and machine interface unit is installed on the man-machine interface printed circuit board (PCB), described man-machine interface printed circuit board seal is in man-machine interface box housing, and described control module is connected by communication cable with human and machine interface unit.
2. a kind of force piece control device according to claim 1, it is characterized in that, described controller box housing is the metal rectangular box body, described box body is a surrounding and a bottom surface solder bond one, have one with cassette shapes and the lid that adapts of size, described lid is screwed on box body; Described controller printed circuit board (PCB) in box, pours into fluid sealant by screw in the box, the influx height of described fluid sealant surpasses the height of electronic component.
3. a kind of force piece control device according to claim 1 and 2, it is characterized in that, one side of controller box disposes 8 electromagnetic valve cable sockets that are connected with driver module, opposite side dispose 2 that be connected with communication module with about 4 core cable sockets of adjacent frame communication, 4 core cable sockets of 1 that be connected with CPU and human and machine interface unit communication, 14 core cable socket that are connected with stroke sensor with data acquisition module, 4 core cable sockets of 2 pressure sensors that are connected with data acquisition module, 4 core cable sockets of 1 position monitoring sensor that is connected with data acquisition module.
4. a kind of force piece control device according to claim 3 is characterized in that, described controller box housing and lid are made by the general structural steel that stainless steel or surface are coated with anticorrosive coat.
5. a kind of force piece control device according to claim 1 is characterized in that the fluid sealant that pours in the described controller box is epoxy resin or silica gel.
6. a kind of force piece control device according to claim 1, it is characterized in that described human and machine interface unit comprises: the communicating circuit that is connected with 4 core cable sockets that stops locking circuit, carries out communication with control module as the Chinese characters display screen of man-machine interface CPU, keyboard and the keyboard scanning circuit that is connected with keyboard, the idsplay order of core devices and the display circuit that is connected with Chinese characters display screen, buzzer and the aural warning circuit that is connected with buzzer, emergency stop switch and the urgency that is connected with emergency stop switch; Described keyboard circuit, display circuit, aural warning circuit, urgency is stopped locking circuit, communicating circuit is connected with man-machine interface CPU.
7. according to claim 1 or 6 described a kind of force piece control device, it is characterized in that, described man-machine interface box housing is the metal rectangular box body, described box body is a surrounding and a bottom surface solder bond one, the opening end of housing has a metal step, there is a groove step and adjacent position, peripheral junction, O type circle is arranged in the groove, have one with the lid of surrounding shape and big small-sized adaptation, described lid is screwed on the metal step, is furnished with key zone, button area, Chinese-character display on the described lid; The man-machine interaction printed circuit board (PCB) in box, is irritated fluid sealant by screw in the box, the influx height of described fluid sealant surpasses the height of electronic component; Bottom one side of box has a rectangular protrusions, and 14 core cable socket with the control module communication is equipped with in a side of described projection, and buzzer is equipped with in the another side.
8. a kind of force piece control device according to claim 7 is characterized in that, key zone and button area on the lid of described man-machine interface box housing, and the button top in the described key zone is that the square opening bottom of lid is the sealing soft-key button; Button in the button area is the mushroom-shaped button of watertight; Described key zone and button area comprise: one action control zone, direction control zone, menu operation district, start and stop control zone.
9. a kind of force piece control device according to claim 8 is characterized in that, described man-machine interface box housing and lid are made by the general structural steel that stainless steel or surface are coated with anticorrosive coat.
10. a kind of force piece control device according to claim 8 is characterized in that the fluid sealant that pours in the described man-machine interface box is epoxy resin or silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101184892A CN100538015C (en) | 2007-07-06 | 2007-07-06 | A kind of force piece control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101184892A CN100538015C (en) | 2007-07-06 | 2007-07-06 | A kind of force piece control device |
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| Publication Number | Publication Date |
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| CN101109284A CN101109284A (en) | 2008-01-23 |
| CN100538015C true CN100538015C (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007101184892A Active CN100538015C (en) | 2007-07-06 | 2007-07-06 | A kind of force piece control device |
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| CN (1) | CN100538015C (en) |
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| CN109901508B (en) * | 2019-04-02 | 2021-01-19 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support control system |
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Address after: 100013 Room 102, Tiandi building, 5 coal Youth Road, Hepingli, Chaoyang District, Beijing Patentee after: CCTEG Beijing Tianma Intelligent Control Technology Co.,Ltd. Address before: 100013 Room 102, Tiandi building, 5 coal Youth Road, Hepingli, Chaoyang District, Beijing Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. |
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