CN201650334U - Hydraulic support electro-hydraulic control system - Google Patents
Hydraulic support electro-hydraulic control system Download PDFInfo
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- CN201650334U CN201650334U CN2009203508157U CN200920350815U CN201650334U CN 201650334 U CN201650334 U CN 201650334U CN 2009203508157 U CN2009203508157 U CN 2009203508157U CN 200920350815 U CN200920350815 U CN 200920350815U CN 201650334 U CN201650334 U CN 201650334U
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Abstract
The utility model discloses a hydraulic support electro-hydraulic control system, which comprises driving boards, controllers, controller interface boxes, communication adapters and power adapters. One driver is mounted on one hydraulic support, N drivers are assembled into a group through a CAN bus, one power adapter is mounted inside the group, two ends of each group are connected via a cable while one controller interface box is mounted at the two ends, and one controller is inserted into one controller interface box to receive information of any one hydraulic support in the group. One communication adapter is connected between two support groups so as to be assembled into a hydraulic support electric control system CAN network. The hydraulic support electro-hydraulic control system is designed in the fact that only one controller is mounted on one support group (more than five supports) while the support group shares the controller, thereby increasing connection and operation flexibility of the controllers, simplifying maintenance means and increasing production efficiency. The hydraulic support electro-hydraulic control system adopts the CAN bus in coupling, thereby guaranteeing communication speed and increasing system reliability.
Description
Technical field
The utility model relates to the coal mining apparatus field, the hydraulic support electrohydraulic control system in the fully-mechanized mining working of particularly a kind of down-hole.
Background technology
The hydraulic support electric-control system of fully-mechanized mining working is the key technology equipment in the coal mining mechanization field, and it can realize highly efficient and productive, the low accident of coal mining, can enhance productivity greatly and automaticity.At present the hydraulic support electrohydraulic control system popularity rate of China's coal-mine is lower, and reason is that capital equipment relies on import, with high costs and control function complexity, and a lot of functions also are not suitable for the coal production present situation of China, and therefore domestic use is less.
Import equipment and the control mode structure and the complicated operation of the domestic support electric-control system that can produce in addition at present.Such as, " hydraulic support electro-hydraulic controller is produced in a kind of full-automatic coal mining " disclosed a kind of electric-control system of China Patent No. 200820079609.2 mainly comprises a main control computer, some bracket controllers and some sensors; Main control computer is used for control system work, the corresponding bracket controller equipment of each hydraulic support, and sensor is used to detect the state of hydraulic support and sends to the bracket controller that hydraulic support is equipped with.These systems support configuration one cover control system, a plurality of sensors of installation system in, this mainly is applicable to the large-scale coal mining enterprise of high seam, and is too high for be in the great majority little colliery and girdle colliery equipment cost of China; And sensor device fault rate height, being difficult to maintenance at fully-mechanized mining working, the regular maintenance technical difficulty is big, and the cycle is long, the expense height.These have all limited the popularization on a large scale of hydraulic support electric-control system.
The utility model content
The purpose of this utility model is: overcome the deficiencies in the prior art, a kind of hydraulic support electrohydraulic control system of simple in structure, flexible operation is provided.
The technical solution of the utility model is: a kind of hydraulic support electrohydraulic control system comprises: drive plate, controller, control unit interface case, communications adapter and power supply adaptor; A drive plate is installed on every hydraulic support, and N platform drive plate is formed one group by the CAN bus, and a power supply adaptor is installed in the group, and every group of two ends connect by cable and a control unit interface case is installed; Controller inserts the control unit interface case and receives the information that this organizes any hydraulic support; Connect a communications adapter between two pack supports, thus a hydraulic support electric-control system of assembly CAN network.
Described N platform is the 5-20 platform.
Described drive plate all has the automatic measuring ability in address when powering on, can determine relative address in self the group automatically according to the information of communication in the group.
Described electrohydraulic control system also comprises Digiplex, carries out communication with described controller, and hydraulic support is carried out far distance controlled.
The utility model beneficial effect compared with prior art is:
(1) system of the present utility model has changed the mode of a controller of fixed installation on support of existing support electric-control system, design system to a pack support (more than 5) controller only is installed, a shared controller, controller tenaculum hot-line insertion and extraction, when the needs control operation, in interior 2 control unit interface casees any one organized in the controller insertion, just can organize all drivers and carry out information interaction, realize this is organized the operation of any support or the reception of fault message with this.Simultaneously, the network adapter of utilizing the utility model can also realize the control to the support of other group, can controller be kept or pull up according to user's request after finishing the work, when reducing system cost, increased the flexibility that controller connects and operates so significantly, simplify maintenance service, improved production efficiency.
(2) the utility model makes up a driver that is equipped with on every support of communication network by the line between the driver, articulate by the CAN bus, and the mode that does not adopt the module series connection to transmit had so both guaranteed communication speed, had improved the reliability of system again.Connect by communications adapter between group, can realize the networking of entire working surface, thus functions such as the instruction transmission of realization entire working surface, fault alarm, interlock control.Communications adapter has the effect of bus relaying, can guarantee the stability of signal in transmission course.
(3) every driver of the present utility model all has the automatic measuring ability in address when powering on, and can determine relative address in self the group automatically according to the information of communication in the group, has guaranteed the accuracy of address when being connected with controller.
(4) every pack support of the present utility model only needs a controller, and the tenaculum hot-line insertion and extraction, can be fixed on the support and also can not fix.The time spent can not pull out away at any time, and is convenient, flexible.Combine when adopting operation at coal, each workman can carry a bracket controller, be inserted in the control that just can realize on the control unit interface case when needing control bracket,, can also realize control any support on the work plane by the communications adapter that is equipped with between group to this pack support.
(5) in addition, and the control system of this patent design has special Digiplex, can with controller on have special wireless communication module to carry out information interaction.Digiplex adopts infrared ZAP, and directional properties is good, and the reliability height is not subject to the abominable electromagnetic environment influence in down-hole, has realized far distance controlled, and effective range is 0～10 meter.
Description of drawings
Fig. 1 is a hydraulic support electrohydraulic control system structure chart of the present invention;
Fig. 2 is the drive plate structural representation;
Fig. 3 is the communications adapter structural representation;
Fig. 4 is the voltage adapter structural representation;
Fig. 5 is the controller architecture schematic diagram;
Fig. 6 is the Digiplex structural representation.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, be a kind of hydraulic support electrohydraulic control system of the present utility model, comprise: drive plate, controller, Digiplex, control unit interface case, communications adapter and power supply adaptor; A drive plate is installed on every hydraulic support, and 5～20 drive plates are formed one group by the CAN bus, are 5 in the present embodiment.A power supply adaptor is installed in every group, and every group of two ends connect by cable and a control unit interface case are installed; Controller inserts the control unit interface case and receives the information that this organizes any hydraulic support; Connect a communications adapter between two pack supports, thus a hydraulic support electric-control system of assembly CAN network.
Fig. 2 is the structural representation of drive plate.In drive plate, 2 CAN communication modules are realized communication function with left and right adjacent frame by left adjacent frame communication interface and right adjacent frame communication interface respectively; Chip in the CAN communication module is 82C250.The SCI communication module is by the communication of control unit interface realization with controller; Chip in the SCI communication module is MAX232.Power supply processing module is responsible for the power supply of monoblock driver and is handled and function of supplying power.Main control singlechip is a kernel control module, adopts MC9S12DP512, realizes all Comprehensive Treatment for Information and control; The CMOS drive circuit is by the control of electromagnetic priority valve group interface realization to the electromagnetic priority valve group; Drive detection module and adopt the power resistor of low resistance to do current detecting, detect the working condition of CMOS drive circuit in real time, and give main control singlechip, so that realize timely processing failure condition with feedback information.Clock circuit adopts 16,000,000 crystal oscillator to provide clock signal for main control singlechip, is DS1302 in the present embodiment.Holding circuit in particular cases realizes defencive function to drive plate in overvoltage, overcurrent etc.Drive plate all has the automatic measuring ability in address when powering on, can determine relative address in self the group automatically according to the information of communication in the group.
The communications adapter structure is as shown in Figure 3: 2 road CAN communication modules respectively by the and arranged on left and right sides communication interface realize with left and right pack support between communication function, the interior chip of CAN communication module is 82C250.Main control singlechip is handled in real time the information of 2 road CAN communication modules, and will send to opposite side from the information that a side joint is received in real time, with two groups communication about realizing; Main control singlechip adopts MC9S12DP512.Power supply processing module is realized the power management function to whole communications adapter.Clock circuit adopts 16,000,000 crystal oscillator to provide clock signal for main control singlechip.
Fig. 4 is the voltage adapter structural representation.Ac filter circuit carries out the filtering processing to the interchange 127V of input among the figure; Hand over straight translation circuit that filtered alternating current is transformed into direct current; Input filter circuit carries out processing such as filtering, flat ripple to handing over the direct current after the straight conversion; The direct current level shifter circuit changes high voltage direct current into by power conversion chip the direct current of 12V; 12V voltage after output voltage stabilizing and filter circuit change power supply chip carries out voltage stabilizing, filtering peace ripple is handled, and passes through direct current 12V two-way output interface at last with the output of 12V voltage, powers to whole system.
Controller architecture is as shown in Figure 5: the SCI communication module is realized communication function with drive plate by the drive plate communication interface; Chip in the SCI communication module is MAX232.Button and display module are used for man-machine interaction, display system information and detection actuation of keys.Button is realized button and real information processing and control with showing message processing module.Main control singlechip is realized the comprehensive and control of entire controller information, and according to the information state that receives each module is sent command adapted thereto; Main control singlechip adopts MC9S12DP512.Information in particular cases such as the system that is used for the emergence message detection module breaks down detect.Clock module provides clock signal for main control singlechip, and wherein clock circuit adopts 16,000,000 crystal oscillator to provide clock signal for main control singlechip.The wireless telecommunications message processing module is by the information interaction between radio receiving transmitting module realization controller and the remote controller; Power supply processing module is powered to entire controller, carries out power management.
Electrohydraulic control system of the present utility model also comprises Digiplex, as shown in Figure 6.Button and display module are used for man-machine interaction among the figure, the actuation of keys of display system information and detection Digiplex; Button is realized button and real information processing and control with showing message processing module.Main control singlechip adopts MC9S12DP512, is responsible for the function control of whole system.Clock circuit adopts 16,000,000 crystal oscillator to provide clock signal for main control singlechip.The wireless telecommunications message processing module is by the information interaction between radio receiving transmitting module realization remote controller and the controller.Carry out communication by Digiplex and controller, hydraulic support is carried out far distance controlled.Digiplex adopts infrared ZAP in the present embodiment, and directional properties is good, and the reliability height is not subject to the abominable electromagnetic environment influence in down-hole, has realized far distance controlled, and effective range is 0～10 meter.
The course of work of the present utility model is: utilize the electromagnetic priority valve group of installing on the hydraulic support, by H cable the pilot valve group is connected with this control system, thereby realize following control function to hydraulic support:
The action control of support: in the control unit interface case, insert controller, choose the support that needs control by the button of controller, press the function key that needs, the instruction that controller will have a support address information this moment sends on the CAN bus, the drive plate that meets address information can receive this instruction, drive plate opens or closes electromagnetic priority valve interface corresponding on the drive plate according to command content then, thereby realizes the control to the support action.
Wireless action control: by Digiplex, choose corresponding controller, controller had indicator lamp and lighted this moment, and was transformed into wireless control mode automatically.On Digiplex, choose the support that needs control, press the function key that needs, this moment, control instruction can send to controller by the form of infrared carrier wave, controller carries out analyzing and processing and its control instruction that changes controller into is sent on the CAN bus after receiving infrared signal, the drive plate that meets address information carries out corresponding action control after receiving this instruction.
Support fault alarm: when certain support breaks down, dress drive plate thereon can detect fault automatically, can on the CAN bus, send the information that has support address and fault content for 1 time then every 1 minute, if be connected with bracket controller on the CAN bus this moment, controllers all on the bus all can receive it automatically, and fault support number and fault content are presented on the display screen of controller.
Wireless malfunction is reported to the police: break down and after controller sends fault message at support, if this moment, Digiplex was chosen any controller on the bus, controller all can send to fault message on the remote controller, and the display screen of remote controller can carry out alarm indication to support address and fault content.
Under the situation that does not change its function, the equivalent transformation that carries out or alternative also falls into protection domain of the present utility model to each building block of the present utility model, position relation and connected mode.The part that the utility model does not elaborate belongs to techniques well known.
Claims (4)
1. a hydraulic support electrohydraulic control system is characterized in that: comprise driver, controller, control unit interface case, communications adapter and power supply adaptor; A driver is installed on every hydraulic support, and N platform driver is formed one group by the CAN bus, and a power supply adaptor is installed in the group, and every group of two ends connect by cable and a control unit interface case is installed; Controller inserts the control unit interface case and receives the information that this organizes any hydraulic support; Connect a communications adapter between two pack supports, thus a hydraulic support electric-control system of assembly CAN network.
2. according to a kind of hydraulic support electrohydraulic control system of claim 1, it is characterized in that: described N platform is the 5-20 platform.
3. according to a kind of hydraulic support electrohydraulic control system of claim 1, it is characterized in that: described driver all has the automatic measuring ability in address when powering on, and can determine relative address in self the group automatically according to the information of communication in the group.
4. according to a kind of hydraulic support electrohydraulic control system of claim 1, it is characterized in that: described electrohydraulic control system also comprises Digiplex, carries out communication with described controller, and hydraulic support is carried out far distance controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203508157U CN201650334U (en) | 2009-12-30 | 2009-12-30 | Hydraulic support electro-hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203508157U CN201650334U (en) | 2009-12-30 | 2009-12-30 | Hydraulic support electro-hydraulic control system |
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| CN201650334U true CN201650334U (en) | 2010-11-24 |
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| CN2009203508157U Expired - Lifetime CN201650334U (en) | 2009-12-30 | 2009-12-30 | Hydraulic support electro-hydraulic control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128042A (en) * | 2010-12-09 | 2011-07-20 | 重庆航天工业公司 | Hydraulic support electronic control system |
| CN102373940A (en) * | 2011-11-18 | 2012-03-14 | 郑州煤矿机械集团股份有限公司 | Hydraulic support controller |
| CN103399495A (en) * | 2013-08-07 | 2013-11-20 | 中国矿业大学 | Simulation system and simulation method of hydraulic support electric hydraulic control system |
| CN103573281A (en) * | 2013-08-30 | 2014-02-12 | 中国矿业大学 | Hydraulic support electrohydraulic control system |
| CN103967510A (en) * | 2014-05-13 | 2014-08-06 | 韩嘉 | Hydraulic support control system and control method thereof |
-
2009
- 2009-12-30 CN CN2009203508157U patent/CN201650334U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128042A (en) * | 2010-12-09 | 2011-07-20 | 重庆航天工业公司 | Hydraulic support electronic control system |
| CN102128042B (en) * | 2010-12-09 | 2013-10-16 | 重庆航天工业公司 | Hydraulic support electronic control system |
| CN102373940A (en) * | 2011-11-18 | 2012-03-14 | 郑州煤矿机械集团股份有限公司 | Hydraulic support controller |
| CN103399495A (en) * | 2013-08-07 | 2013-11-20 | 中国矿业大学 | Simulation system and simulation method of hydraulic support electric hydraulic control system |
| CN103573281A (en) * | 2013-08-30 | 2014-02-12 | 中国矿业大学 | Hydraulic support electrohydraulic control system |
| CN103573281B (en) * | 2013-08-30 | 2016-06-08 | 中国矿业大学 | A kind of hydraulic support electrohydraulic control system |
| CN103967510A (en) * | 2014-05-13 | 2014-08-06 | 韩嘉 | Hydraulic support control system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 611130 No. 198 Liucheng Changan Road, Wenjiang District, Chengdu, Sichuan. Patentee after: Sichuan Aerospace beacon Servo Control Technology Co., Ltd. Address before: 611130 No. 2 letter box in Wenjiang District, Chengdu, Sichuan Patentee before: Fenghuo Machine Works of China Aerospace Science and Technology Corporation |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
|
| CX01 | Expiry of patent term |