CN202431651U - Integrated control device of hydraulic system - Google Patents
Integrated control device of hydraulic system Download PDFInfo
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Abstract
The utility model discloses an integrated control device of a hydraulic system and a control method thereof. The integrated control device comprises a CPU (Central Processing Unit), a power supply unit, a switching value and pulse input unit, a switching power driving unit, an analogue signal input/output unit, a proportion driving unit, a communication unit and an interactive display unit, wherein the switching value and pulse input unit, the switching power driving unit, the analogue signal input/output unit, the proportion driving unit, the communication unit and the interactive display unit are connected with the CPU; and the CPU, the switching value and pulse input unit, the switching power driving unit, the analogue signal input/output unit, the proportion driving unit, the communication unit and the interactive display unit are connected with the power supply unit; and a power supply is supplied by the power supply unit.
Description
Technical field
The utility model relates to a kind of hydraulic system integrated control device.
Technical background
The HYDRAULIC CONTROL SYSTEM that current industrial is used mainly adopts the mode of PLC, relay and proportional amplifier plate combination to control, PLC output signal control relay output switching signal, and control ratio amplifies plate export ratio signal with DM; Whole electric control system is settled with the mode of control cabinet and operating table, if desired the operation conditions of hydraulic system is monitored in real time, needs computer to be installed and to be worked out monitoring software; The control system of this mode is more numerous and diverse; And volume is big, and cost is higher, and line is complicated; Maintenance difficult is not suitable for using in the high occasion of spatial requirement.Present existing industrial control unit (ICU) mainly is to develop to engineering machinery, and input output channel is limited, and is difficult to realize system-level expansion, can not satisfy the usage requirement of complicated industry spot hydraulic system.
The model utility content
In order to overcome the defective of existing scheme, the utility model proposes a kind of hydraulic system integrated control device of convenient expansion.
In order to solve the problems of the technologies described above; It is a kind of that the utility model provides, and comprising: CPU element, power subsystem, switching value and pulse input unit, switch power driver element, analogue signal input-output unit, ratio driver element, communication unit and mutual display unit; Said CPU element comprises host CPU, secondary CPU, communication bus interface, serial bus output interface, data memory module, analog amount input interface, analog output interface circuit, switch output interface and switch value input interface; Said communication bus interface, serial bus output interface, data memory module, analog amount input interface and analog output interface circuit all are connected with host CPU, and said switch output interface all is connected with secondary CPU with switch value input interface; Said mutual display unit is connected with communication bus interface through communication unit; Said ratio driver element is connected with the serial bus output interface; Said switch power driver element is connected with the switch output interface; Said switching value is connected with switch value input interface with the pulse input unit; Said analogue signal input-output unit is connected with analog output interface circuit with the analog amount input interface respectively; Said host CPU, secondary CPU, communication bus interface, serial bus output interface, data memory module, analog amount input interface, analog output interface circuit, switch output interface, switch value input interface, switching value and pulse input unit, switch power driver element, analogue signal input-output unit, ratio driver element, communication unit and mutual display unit all are connected with power subsystem.
As the improvement to the utility model hydraulic system integrated control device: said host CPU, secondary CPU, communication bus interface, serial bus output interface, data memory module, analog amount input interface, analog output interface circuit, switch output interface and switch value input interface all are integrated on the mainboard; Said power subsystem, switching value and pulse input unit, switch power driver element, analogue signal input-output unit, ratio driver element, communication unit and mutual display unit are integrated in respectively on the separate daughter board; Be provided with corresponding slot on said communication bus interface, serial bus output interface, data memory module, analog amount input interface, analog output interface circuit, switch output interface and the switch value input interface, the daughter board at said switching value and pulse input unit, switch power driver element, analogue signal input-output unit, ratio driver element, communication unit and mutual display unit place is provided with corresponding interface slot.
As the further improvement to the utility model hydraulic system integrated control device: the analogue signal input-output unit comprises analogue signal input device and analogue signal output unit; Said analogue signal input device is connected with the analog amount input interface, and said analogue signal output unit is connected with analog output interface circuit.
As the further improvement to the utility model hydraulic system integrated control device: said switch power driver element comprises the switch power driver module, and said switch power driver module is connected with safety control I; Said switch power driver module is connected with the switch output interface.
As the further improvement to the utility model hydraulic system integrated control device: said ratio driver element comprises digital to analog converter, PID controller and the ratio driving amplifier that is connected successively; Said ratio driving amplifier is connected with safety control II; Said digital to analog converter is connected with the serial bus output interface.
As the further improvement to the utility model hydraulic system integrated control device: said safety control I comprises comparator I, and said comparator I is connected with warning device I, Device in one-way on state I, current signal detection device I and threshold values signal sets device I respectively; Said Device in one-way on state I all is connected with switch drive module with current signal detection device I; Said safety control II comprises comparator II, and said comparator II is connected with warning device II, Device in one-way on state II, current signal detection device II and threshold values signal sets device II respectively; Said Device in one-way on state II all is connected with the ratio driving amplifier with current signal detection device II.
As the further improvement to the utility model hydraulic system integrated control device: said mutual display unit comprises display unit CPU, and display unit CPU is connected with demonstration and input device and press key input device respectively; Said display unit CPU is connected with communication bus interface.
As the further improvement to the utility model hydraulic system integrated control device: said communication unit comprises RS232 interface, RS485 interface, RS422 interface, CAN EBI, internet communication interface and wireless communication module; Said RS232 interface, RS485 interface, RS422 interface, CAN EBI, internet communication interface and wireless communication module all are connected with communication bus interface; Said RS422 interface is connected with display unit CPU.
As the further improvement to the utility model hydraulic system integrated control device: described power subsystem comprises interconnective power supply and AC/DC transducer; Described power supply respectively with host CPU; Secondary CPU; Communication bus interface; The serial bus output interface; Data memory module; The analog amount input interface; Analog output interface circuit; The switch output interface; Switch value input interface; Regular tap amount input device; The consecutive PWM signal input apparatus; Comparator I; Warning device I; Device in one-way on state I; Current signal detection device I; Threshold values signal sets device I; The switch power driver module; The analogue signal input device; The analogue signal output unit; Digital to analog converter; Comparator II; Warning device II; Device in one-way on state II; Current signal detection device II; Threshold values signal sets device II; The PID controller; The ratio driving amplifier; The RS232 interface; The RS485 interface; The RS422 interface; The CAN EBI; The internet communication interface; Wireless communication module; Display unit CPU; Demonstration is connected with press key input device with input device.
As the further improvement to the utility model hydraulic system integrated control device: said CPU and secondary CPU are connected with anti-instant power-down device respectively; Be connected with timing module on the said host CPU; Said anti-instant power-down device all is connected with power supply with timing module.
The utility model integrates the electric control system and the TT&C system function of the current use of hydraulic system, has dwindled the volume of supervisory system greatly, has improved level of integration; Reduce cost, and no longer needed complicated interconnector, simplified Control System Design; Shortened the development process of hydraulic control system; The developer is placed on energy in the software design, and no longer considers hardware designs, improved development efficiency greatly.Adopt the design of modular star structure, each function module only is connected with power subsystem with CPU element, be connected between CPU element and other unit and all add isolation module; Power drive level and control unit are supplied power respectively, and power subsystem supply lines power is little, and the damage of controller function unit can not cause chain reaction; Perfect the state indication and the indication of reporting to the police make debugging easy, and it is convenient to overhaul, and only need to change damage functional unit circuit board and get final product; Service cycle is short, and maintenance cost is low.Adopt groove-fastening type mother baby plate structural design to make controller function expansion and deformation design simple, highly versatile, easy to use.Integrated multiple communication interface makes controller support telecontrol, network management and on-line monitoring, helps future network management and intelligent control.
And some engineering machinery nonshared control units that have are at present developed to engineering machinery in design specially; Can not satisfy the control requirement of industry spot hydraulic system; Because it is various that the hydraulic system of industry spot changes, different to the port and the function quantitative requirement of controller, and they do not have on-line monitoring and these functions of remote operation, network management and fault diagnosis yet; So controller with regard to a kind of so convenient expansion of model utility; Can extended channel quantity, and be incorporated as the function module that adapts to modern management and monitoring, diagnosing, adapt to the control requirement of present industry spot hydraulic system.
Description of drawings
The structural representation of Fig. 1 hydraulic system integrated control device of the present invention;
Fig. 2 is the structural representation of the safety control I 231 of Fig. 1;
Fig. 2 is the structural representation of the safety control II411 of Fig. 1;
Structural representation when Fig. 4 is Fig. 1 practical application.
Embodiment
Provide a kind of hydraulic system integrated control device, comprised CPU element 1, power subsystem 100, switching value and pulse input unit 22, switch power driver element 23, analogue signal input-output unit 67, ratio driver element 41, communication unit 32 and mutual display unit 31.
Above-described CPU element 1 comprises host CPU 11, secondary CPU12, communication bus interface 13, serial bus output interface 14, data memory module 15, analog amount input interface 16, analog output interface circuit 17, switch output interface 20, switch value input interface 21, anti-instant power-down device 18 and timing module 30; Timing module 30, communication bus interface 13, serial bus output interface 14, data memory module 15, analog amount input interface 16 and analog output interface circuit 17 all are connected with host CPU 11, and switching value output interface 20 all is connected with secondary CPU12 with switch value input interface 21; CPU11 is connected with anti-instant power-down device 18 respectively with secondary CPU12.
Above-described switching value and pulse input unit 22 comprise regular tap amount input device 221 and consecutive PWM signal input apparatus 222.
Above-described analogue signal input-output unit 67 comprises analogue signal input device 671 and analogue signal output unit 672.Analogue signal input device 671 is to be the device of digital signal with analog signal conversion.
Above-described switch power driver element 23 comprises interconnective safety control I 231 and switch power driver module 233.Safety control I 231 comprises comparator I 2311, warning device I 232, Device in one-way on state I 2312 (diode), current signal detection device I 2313 and threshold values signal sets device I 2314; Comparator I 2311 is connected with warning device I 232, Device in one-way on state I 2312, current signal detection device I 2313 and threshold values signal sets device I2314 respectively; Device in one-way on state I 2312 is connected with the input end of switch drive module 233, and current signal detection device I 2313 is connected with the output terminal of switch drive module 233; During safety control I 231 real works, current signal detection device I 2313 detects the voltage signal of the output terminal of switch drive module 233; Simultaneously, current signal detection device I 2313 is sent to detected voltage signal among the comparator I 2311, and threshold values signal sets device I 2314 also transmits a predefined comparative voltage and is sent among the comparator I 2311; Voltage signal is during greater than comparative voltage; Comparator I 2311 is respectively to warning device I 232 and Device in one-way on state I 2312 output low levels; The voltage of the input end of switch drive module 233 is dragged down, just can not output current, and warning device I 232 begins to report to the police simultaneously; When voltage signal during less than comparative voltage; Comparator I 2311 is respectively to warning device I 232 and Device in one-way on state I 2312 output high level; Device in one-way on state I 2312 resistance are infinitely great, and switch drive module 233 is the ability proper functioning just, and warning device I 232 stops to report to the police simultaneously.
Above-described communication unit 32 comprises RS232 interface 321, RS485 interface 322, RS422 interface 323, CAN EBI 324, internet communication interface 325 and wireless communication module 326.Can realize CAN bus communication, network management and telecommunication and monitoring.
Above-described mutual display unit 31 comprises display unit CPU312, demonstration and input device 311 and press key input device 313; Display unit CPU312 is connected with respectively and shows and input device 311 and press key input device 313; Display unit CPU312 is connected with RS422 interface 323.Mutual display unit 31 adopts portable structural design, can be placed on the controller box and also can portablely move, and can realize far-end operation; This mutual display unit 31 has display unit CPU312; Can realize showing with input device 311 on touch control operation and the hardware button operation through press key input device 313; And two kinds of modes of operation have interlocking function; Switching value and aanalogvoltage input signal that display unit CPU312 can provide through hardware button and the knob of accepting on the press key input device 313; Also can accept to show with input device 311 on the operation input of touch screen, behind the operation signal input display unit CPU312, be sent in the host CPU 11 through communication bus interface 13; Display unit CPU312 can also pass through data communication mode on-line monitoring hydraulic system running state parameter, and carries out data processing, shows on demonstration and input device 311 with numeral and curve dual mode.
Above-described ratio driver element 41 comprises digital to analog converter 414, safety control II 411, PID controller 413 and ratio driving amplifier 415.Digital to analog converter 414 is connected with PID controller 413, and PID controller 413 is connected with ratio driving amplifier 415, and ratio driving amplifier 415 is connected with safety control II411.Safety control II 411 comprises comparator II 4111, warning device II 412, Device in one-way on state II 4112, current signal detection device II 4113 and threshold values signal sets device II 1414; Comparator II 4111 is connected with warning device II 412, Device in one-way on state II 4112, current signal detection device II 4113 and threshold values signal sets device II 1414 respectively; Device in one-way on state II 4112 is connected with the input end of ratio driving amplifier 415, and current signal detection device I 2313 is connected with the output terminal of ratio driving amplifier 415.The method for using of safety control II411 and safety control I 231 are identical.
Above-described power subsystem 100 comprises interconnective power supply 102 and AC/DC transducer 101.
Above-described host CPU 11, secondary CPU12, communication bus interface 13, serial bus output interface 14, data memory module 15, analog amount input interface 16, analog output interface circuit 17, switch output interface 20, switch value input interface 21, regular tap amount input device 221, consecutive PWM signal input apparatus 222, comparator I 2311, warning device I 232, Device in one-way on state I 2312, current signal detection device I 2313, threshold values signal sets device I 2314, switch power driver module 233, analogue signal input device 671, analogue signal output unit 672, digital to analog converter 414, comparator II 4111, warning device II 412, Device in one-way on state II 4112, current signal detection device II 4113, threshold values signal sets device II 1414, PID controller 413, ratio driving amplifier 415, RS232 interface 321, RS485 interface 322, RS422 interface 323, CAN EBI 324, internet communication interface 325, wireless communication module 326, display unit CPU312, demonstration all are connected with power supply 102 with press key input device 313 with input device 311; The civil power that connects 220V by AC/DC transducer 101; The civil power of 220V is converted into the direct current of 24V, again by the direct current of 24V through power supply 102 to each consumer power supply; For keeping drawing clean and tidy, economize the electrical connection in the sketch map.
Above-described CPU element 1 is integrated in the mainboard; It (is that power subsystem 100 is integrated in the daughtercard board I that power subsystem 100, switching value and pulse input unit 22, switch power driver element 23, analogue signal input-output unit 67, ratio driver element 41, communication unit 32 all are integrated in the different separately daughter boards with mutual display unit 31; Switching value and pulse input unit 22 are integrated in the daughtercard board II; Switch power driver element 23 is integrated in the daughtercard board III; Analogue signal input-output unit 67 is integrated in the daughtercard board IV; Ratio driver element 41 is integrated in the daughtercard board V, and communication unit 32 is integrated in the daughtercard board VI, and mutual display unit 31 is integrated in the daughtercard board VII; Daughter board I, daughter board II, daughter board III, daughter board IV, daughter board V, daughter board VI and daughter board VII are separate daughter board).
Daughter board is inserted on the mainboard through Europe cassette socket (the public parent form socket of similar CPCI connector), and is relatively independent between each daughter board, makes things convenient for the expansion of each functional unit quantity of controller; The controller deformation design is simple; Only need to change the deformation design that mainboard can be realized controller, after certain function is damaged, only need to change this functional unit daughter board; Need not to change entire controller, easy to maintenance.
When all daughter boards all are inserted on the mainboard; Display unit CPU312 is connected with RS422 interface 323, and RS232 interface 321, RS485 interface 322, RS422 interface 323, CAN EBI 324, internet communication interface 325 and wireless communication module 326 are connected with communication bus interface 13 respectively; Switch power driver module 233 is connected with switch output interface 20; Regular tap amount input device 221 is connected with switch value input interface 21 respectively with consecutive PWM signal input apparatus 222; Analogue signal input device 671 is connected with analog amount input interface 16, and analogue signal output unit 672 is connected with analog output interface circuit 17; Digital to analog converter 414 is connected with serial bus output interface 14.
Whole hydraulic system integrated control device adopts starlike Placement and adds isolation module; Come each functional unit is separate; Each functional unit (be switching value with pulse input unit 22, switch power driver element 23, analogue signal input-output unit 67, ratio driver element 41 and communication unit 32 in any one) only be connected through high-speed serial bus or datawire with CPU element 1; Each functional unit only is electrically connected with the power supply 102 of power subsystem 100; The external interface of each functional unit all adopts EMC protection design, improves the security level to external disturbance; After adopting shape connection and isolator, CPU element 1 and external isolation, protection CPU element 1 does not receive outside interference and damages harm, has improved the security level of CPU element 1 and even entire controller.
As shown in Figure 4 during actual the use, the hydraulic system integrated control device is connected with other actuators 400 with oil hydraulic cylinder; Concrete Placement is following:
Switch power driver module 233 is connected with relay 402 with switch valve 403 respectively; Ratio driving amplifier 415 is connected with Proportional valve 404 with variable displacement pump 405 respectively; Regular tap amount input device 221 all is connected with switch and encoder detector group 301 with consecutive PWM signal input apparatus 222; Analogue signal input device 671 is connected with pressure flow sensor 302 and other sensors 303 respectively, and analogue signal output unit 672 is connected with the Proportional valve that carries driving 401.
Concrete actual use step is following:
1, not through the operating terminal operation time, mutual display unit 31 is as monitoring terminal, and the specific operation step is following:
1.1, secondary CPU12 constantly sends the information (with hereafter control signal 301) of read switch amount through switch value input interface 21;
1.2, regular tap amount input device 221 and consecutive PWM signal input apparatus 222 receive control signal 301 through switch value input interface 21;
1.3, the information (with hereafter switching value 301) of the switching value in regular tap amount input device 221 and consecutive PWM signal input apparatus 222 beginning read switches and the encoder detector group 301;
1.4, regular tap amount input device 221 and consecutive PWM signal input apparatus 222 send to switching value 301 among the secondary CPU12 through switch value input interface 21;
1.5, host CPU 11 constantly reads the temporal information (preestablishing the control program that regularly reads current switching value information in the host CPU 11) in the timing module 30;
1.6, when the temporal information that reads when reading time-sequencing in the current switching value information and coincide, host CPU 11 will send one to secondary CPU12 and read current switching value information (with hereafter control signal 11);
1.7, secondary CPU12 receives control signal 11;
1.8, secondary CPU12 feeds back a up-to-date switching value that reads 301;
1.9, host CPU 11 receives switching value 301;
1.10, host CPU 11 sends through communication bus interface 13 and RS422 interface 323 temporal information and switching value 301 to display unit CPU312; Simultaneously, host CPU 11 sends to data memory module 15 stored with temporal information and switching value 301;
1.11, after display unit CPU312 receives temporal information and switching value 301;
1.12, display unit CPU312 sends to the temporal information that receives and switching value 301 and shows and input device 311, the operator checks switching value 301 through showing with input device 311.
2, read information such as flow pressure:
2.1, the operator reads the information (with hereafter control signal 671) of flow and pressure etc. through press key input device 313 input;
2.2, display unit CPU312 receives control signal 671;
2.3, display unit CPU312 with control signal 671 send to show with input device 311 in, simultaneously, display unit CPU312 sends to control signal 671 in the host CPU 11 through RS422 interface 323 and communication bus interface 13;
2.4, host CPU 11 receives control signal 671;
2.5, host CPU 11 is through analog amount input interface 16 control analogue signal input devices 671, analogue signal input device 671 reads information (with hereafter reception information 671) such as flow and the pressure in pressure flow sensor 301 and other sensors 302;
2.6, after host CPU 11 reads reception information 671, host CPU 11 just reads the temporal information in the timing module 30;
2.7, host CPU 11 transmits temporal information and reception information 671 and sends to display unit CPU312 through communication bus interface 13 and RS422 interface 323; Simultaneously, host CPU 11 sends to data memory module 15 stored with temporal information and reception information 671;
2.8, display unit CPU312 receives temporal information and reception information 671;
2.9, display unit CPU312 sends to the temporal information that receives and reception information 671 and shows and input device 311, the operator checks temporal information and reception information 671 through showing with input device 311.
3, control carries the Proportional valve 401 of driving:
3.1, the operator carries the information (with hereafter control signal 401) of the Proportional valve 401 of driving through press key input device 313 input control;
3.2, display unit CPU312 receives control signal 401;
3.3, display unit CPU312 with control signal 401 send to show with input device 311 in, simultaneously, display unit CPU312 sends to control signal 401 in the host CPU 11 through RS422 interface 323 and communication bus interface 13;
3.4, host CPU 11 receives control signal 401;
3.5, host CPU 11 transmits control signal 401 through analog output interface circuit 17 to analogue signal output unit 672;
3.6, analogue signal output unit 672 receives control signal 401;
3.7, analogue signal output unit 672 sends to the control signal that receives 401 Proportional valve 401 that carries driving;
3.8, the Proportional valve 401 that carries driving just begins to do corresponding operation (known technology) after receiving control signal 401.
4, the control switch valve 403:
4.1, the information (with hereafter control signal 403) of operator through press key input device 313 input control switch valves 403;
4.2, display unit CPU312 receives control signal 403;
4.3, display unit CPU312 with control signal 403 send to show with input device 311 in, simultaneously, display unit CPU312 sends to control signal 403 in the host CPU 11 through RS422 interface 323 and communication bus interface 13;
4.4, host CPU 11 receives control signal 403;
4.5, host CPU 11 sends control signal 403 to secondary CPU12;
4.6, secondary CPU12 receives control signal 403;
4.7, secondary CPU12 sends to control signal 403 in the switch power driver module 233 through switch output interface 20;
4.8, switch power driver module 233 receives control signal 403, just exports corresponding driving current signal (with hereafter current signal 403);
4.9, safety control I 231 receives current signal 403, makes corresponding operation according to the intensity of current signal 403:
When if current signal 403 exceeds early warning value, safety control I 231 will cut off output loop automatically, and send the indication of reporting to the police by warning device I 232; When the current signal in the safety control I 231 403 drops to safety value with after interior, warning device I 232 stops to send the indication of reporting to the police, and safety control I 231 will recover output current signal 403 automatically.
4.10, after switch valve 403 receives current signal 403, just make corresponding operation (being operating as known technology).
5, control ratio valve 404 or variable displacement pump 405:
5.1, the information (with hereafter control signal 404) of operator through press key input device 313 input switch Proportional valves 404 or variable displacement pump 405;
5.2, display unit CPU312 receives control signal 404;
5.3, display unit CPU312 with control signal 404 send to show with input device 311 in, simultaneously, display unit CPU312 sends to control signal 404 in the host CPU 11 through RS422 interface 323 and communication bus interface 13;
5.4, host CPU 11 receives control signal 404;
5.5, host CPU 11 sends control signal 404 through serial bus output interface 14 to digital to analog converter 414;
5.6, digital to analog converter 414 receives control signal 404;
5.7, digital to analog converter 414 is converted into analogue signal with the digital signal in the control signal 404;
5.8, digital to analog converter 414 sends the control signal 404 (with hereafter current signal 404) after transforming through digital-to-analogue to PDI controller 413;
5.9, PDI controller 413 receives current signal 404;
5.10, PDI controller 413 sends to current signal 404 in the ratio driving amplifier 415;
5.11, ratio driving amplifier 415 receives current signal 404, just current signal 404 is sent among the safety control II 411,
5.12, safety control II 411 receives current signal 404, makes corresponding operation according to the intensity of current signal 404:
When if current signal 404 exceeds early warning value, safety control II411 will cut off output loop automatically, and send the indication of reporting to the police by warning device II412; When the current signal in the safety control II411 404 drops to safety value with after interior, warning device II 412 stops to send the indication of reporting to the police, and safety control II 411 will recover output current signal 404 automatically.
5.13, drive Proportional valve 404 or variable displacement pump 405 and receive current signal 404 after, make corresponding operation (known technology).
6, anti-lost electric work ability:
6.1, when running into the current interruptions of power supply 102, anti-instant power-down device 18 starts automatically, is continuously the time of host CPU 11 and secondary CPU12 power supply 100ms, prevents host CPU 11 and secondary CPU12 instant power-down; In the time of 100ms, host CPU 11 and secondary CPU12 all are stored into (all data that the automatic covering last time stores because of outage) in the anti-instant power-down device 18 with all information of current acquisition; When power supply 102 restored electricity, host CPU 11 read all information in the anti-instant power-down device 18 automatically with secondary CPU12, and recovers the working state before the power down.
If will realize CAN bus communication or network management, only need on CAN EBI 324 or internet communication interface 325, insert corresponding apparatus and get final product, the practical implementation step arrives step 6 with step 1; If realize telecommunication and monitoring, can use Wireless Telecom Equipment and wireless communication module 326 to realize radio communication, the practical implementation step arrives step 6 with step 1.
At last, it is also to be noted that what more than enumerate only is a specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought the protection domain of the utility model.
Claims (10)
1. the hydraulic system integrated control device is characterized in that: comprise CPU element (1), power subsystem (100), switching value and pulse input unit (22), switch power driver element (23), analogue signal input-output unit (67), ratio driver element (41), communication unit (32) and mutual display unit (31);
Said CPU element (1) comprises host CPU (11), secondary CPU (12), communication bus interface (13), serial bus output interface (14), data memory module (15), analog amount input interface (16), analog output interface circuit (17), switch output interface (20) and switch value input interface (21);
Said communication bus interface (13), serial bus output interface (14), data memory module (15), analog amount input interface (16) and analog output interface circuit (17) all are connected with host CPU (11), and said switch output interface (20) all is connected with secondary CPU (12) with switch value input interface (21);
Said mutual display unit (31) is connected with communication bus interface (13) through communication unit (32);
Said ratio driver element (41) is connected with serial bus output interface (14);
Said switch power driver element (23) is connected with switch output interface (20);
Said switching value is connected with switch value input interface (21) with pulse input unit (22);
Said analogue signal input-output unit (67) is connected with analog output interface circuit (17) with analog amount input interface (16) respectively;
Said host CPU (11); Secondary CPU (12); Communication bus interface (13); Serial bus output interface (14); Data memory module (15); Analog amount input interface (16); Analog output interface circuit (17); Switch output interface (20); Switch value input interface (21); Switching value and pulse input unit (22); Switch power driver element (23); Analogue signal input-output unit (67); Ratio driver element (41); Communication unit (32) all is connected with power subsystem (100) with mutual display unit (31).
2. hydraulic system integrated control device according to claim 1 is characterized in that: said host CPU (11), secondary CPU (12), communication bus interface (13), serial bus output interface (14), data memory module (15), analog amount input interface (16), analog output interface circuit (17), switch output interface (20) and switch value input interface (21) all are integrated on the mainboard;
Said power subsystem (100), switching value and pulse input unit (22), switch power driver element (23), analogue signal input-output unit (67), ratio driver element (41), communication unit (32) and mutual display unit (31) are integrated in respectively on the separate daughter board;
Be provided with corresponding slot on said communication bus interface (13), serial bus output interface (14), data memory module (15), analog amount input interface (16), analog output interface circuit (17), switch output interface (20) and the switch value input interface (21), the daughter board at said switching value and pulse input unit (22), switch power driver element (23), analogue signal input-output unit (67), ratio driver element (41), communication unit (32) and mutual display unit (31) place is provided with corresponding interface slot.
3. hydraulic system integrated control device according to claim 2 is characterized in that: analogue signal input-output unit (67) comprises analogue signal input device (671) and analogue signal output unit (672); Said analogue signal input device (671) is connected with analog amount input interface (16), and said analogue signal output unit (672) is connected with analog output interface circuit (17).
4. hydraulic system integrated control device according to claim 3 is characterized in that: said switch power driver element (23) comprises switch power driver module (233), and said switch power driver module (233) is connected with safety control I (231); Said switch power driver module (233) is connected with switch output interface (20).
5. hydraulic system integrated control device according to claim 4 is characterized in that: said ratio driver element (41) comprises digital to analog converter (414), PID controller (413) and the ratio driving amplifier (415) that is connected successively; Said ratio driving amplifier (415) is connected with safety control II (411); Said digital to analog converter (414) is connected with serial bus output interface (14).
6. hydraulic system integrated control device according to claim 5; It is characterized in that: said safety control I (231) comprises comparator I (2311), and said comparator I (2311) is connected with warning device I (232), Device in one-way on state I (2312), current signal detection device I (2313) and threshold values signal sets device I (2314) respectively; Said Device in one-way on state I (2312) all is connected with switch drive module (233) with current signal detection device I (2313);
Said safety control II (411) comprises comparator II (4111), and said comparator II (4111) is connected with warning device II (412), Device in one-way on state II (4112), current signal detection device II (4113) and threshold values signal sets device II (1414) respectively; Said Device in one-way on state II (4112) all is connected with ratio driving amplifier (414) with current signal detection device II (4113).
7. hydraulic system integrated control device according to claim 6; It is characterized in that: said mutual display unit (31) comprises display unit CPU (312), and display unit CPU (312) is connected with respectively and shows and input device (311) and press key input device (313); Said display unit CPU (312) is connected with communication bus interface (13).
8. hydraulic system integrated control device according to claim 7 is characterized in that: said communication unit (32) comprises RS232 interface (321), RS485 interface (322), RS422 interface (323), CAN EBI (324), internet communication interface (325) and wireless communication module (326); Said RS232 interface (321), RS485 interface (322), RS422 interface (323), CAN EBI (324), internet communication interface (325) and wireless communication module (326) all are connected with communication bus interface (13); Said RS422 interface (323) is connected with display unit CPU (312).
9. hydraulic system integrated control device according to claim 8 is characterized in that: described power subsystem (100) comprises interconnective power supply (102) and AC/DC transducer (101);
Described power supply (102) respectively with host CPU (11); Secondary CPU (12); Communication bus interface (13); Serial bus output interface (14); Data memory module (15); Analog amount input interface (16); Analog output interface circuit (17); Switch output interface (20); Switch value input interface (21); Regular tap amount input device (221); Consecutive PWM signal input apparatus (222); Comparator I (2311); Warning device I (232); Device in one-way on state I (2312); Current signal detection device I (2313); Threshold values signal sets device I (2314); Switch power driver module (233); Analogue signal input device (671); Analogue signal output unit (672); Digital to analog converter (414); Comparator II (4111); Warning device II (412); Device in one-way on state II (4112); Current signal detection device II (4113); Threshold values signal sets device II (1414); PID controller (413); Ratio driving amplifier (415); RS232 interface (321); RS485 interface (322); RS422 interface (323); CAN EBI (324); Internet communication interface (325); Wireless communication module (326); Display unit CPU (312); Show and be connected with press key input device (313) with input device (311).
10. hydraulic system integrated control device according to claim 9 is characterized in that: said CPU (11) and secondary CPU (12) are connected with anti-instant power-down device (18) respectively; Be connected with timing module (30) on the said host CPU (11); Said anti-instant power-down device (18) all is connected with power supply (102) with timing module (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200082332U CN202431651U (en) | 2012-01-10 | 2012-01-10 | Integrated control device of hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200082332U CN202431651U (en) | 2012-01-10 | 2012-01-10 | Integrated control device of hydraulic system |
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| Publication Number | Publication Date |
|---|---|
| CN202431651U true CN202431651U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200082332U Expired - Fee Related CN202431651U (en) | 2012-01-10 | 2012-01-10 | Integrated control device of hydraulic system |
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| Country | Link |
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| CN (1) | CN202431651U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681557A (en) * | 2012-01-10 | 2012-09-19 | 浙江大学 | Integrated control device and control method for hydraulic system |
| CN103343830A (en) * | 2013-06-28 | 2013-10-09 | 太原理工大学 | Programmable control valve |
-
2012
- 2012-01-10 CN CN2012200082332U patent/CN202431651U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681557A (en) * | 2012-01-10 | 2012-09-19 | 浙江大学 | Integrated control device and control method for hydraulic system |
| CN102681557B (en) * | 2012-01-10 | 2015-03-18 | 浙江大学 | Integrated control device and control method for hydraulic system |
| CN103343830A (en) * | 2013-06-28 | 2013-10-09 | 太原理工大学 | Programmable control valve |
| CN103343830B (en) * | 2013-06-28 | 2016-08-10 | 太原理工大学 | Programmable control valve |
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