CN112083701A - Novel fuel purifies device control system - Google Patents
Novel fuel purifies device control system Download PDFInfo
- Publication number
- CN112083701A CN112083701A CN202010969986.9A CN202010969986A CN112083701A CN 112083701 A CN112083701 A CN 112083701A CN 202010969986 A CN202010969986 A CN 202010969986A CN 112083701 A CN112083701 A CN 112083701A
- Authority
- CN
- China
- Prior art keywords
- module
- control
- fuel
- butterfly valve
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 100
- 238000000746 purification Methods 0.000 claims abstract description 83
- 238000004891 communication Methods 0.000 claims abstract description 64
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 7
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 9
- 239000000295 fuel oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4188—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by CIM planning or realisation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a novel fuel purification device control system, which belongs to the technical field of control systems and comprises an electro-hydraulic butterfly valve control box, an electro-hydraulic butterfly valve connecting box, a fuel purification sub-display box and a fuel purification monitoring substation, wherein the fuel purification monitoring substation is in communication connection with the electro-hydraulic butterfly valve control box through an RS (remote sensing) serial port; according to the invention, the controller of the Priger electro-hydraulic butterfly valve is adopted to obtain the switch control signal through the CM driving module, and then the electric signal is transmitted to the electro-hydraulic butterfly valve, so that the opening and closing of the electro-hydraulic butterfly valve can be accurately controlled with high precision.
Description
Technical Field
The invention belongs to the technical field of control systems, and particularly relates to a control system of a novel fuel oil purification device.
Background
At present, China's ships develop faster, and the fuel power system has higher and higher requirements on fuel quality, but the main heavy supply in the aspect of domestic fuel supply is not particularly strict in the control and monitoring of fuel quality, so that the purification control in fuel transfer is necessary, the fuel quality level can be ensured, and the long-term stability of the power system is ensured.
At present, a ship fuel oil power system is technically lack of a fuel oil purification control system and has the problem of lacking of purification measures.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a novel fuel oil purification device control system which has the characteristics of purification measure loss and control system blank.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel fuel purification device control system, divides to show case and fuel purification control substation including electric liquid butterfly valve control box, electric liquid butterfly valve connecting box, fuel purification control substation through RS serial ports communication connection has electric liquid butterfly valve control box, electric liquid butterfly valve control box is connected with electric liquid butterfly valve connecting box through electric hard wiring, electric liquid butterfly valve connecting box is connected with electric liquid butterfly valve through electric hard wiring, fuel purification control substation is connected with fuel centrifuge through electric hard wiring, fuel purification control substation has fuel purification to divide and shows the case through RS serial ports communication connection, fuel purification control substation has data acquisition module through CAN platform network connection.
Further, the fuel purifies control substation includes reinforcement machine module, communication isolation module, control panel, PLC control module and power module, the power input end and the power module of reinforcement machine module are connected, the IO port and the control panel of reinforcement machine module are connected, the communication end of reinforcement machine module is connected with communication isolation module and PLC control module respectively, PLC control module's power input end and power module are connected, reinforcement machine module and fuel purify and divide the display case to be connected, PLC control module is connected with electric liquid butterfly valve control box and fuel centrifuge respectively.
Further, the reinforcing machine module comprises a hardware communication module, a data transceiving software module, a fuel purification control software module, a hardware mainboard module and a hardware power module, wherein the hardware mainboard module is used for operating an operating system and monitoring software, a power input end of the hardware mainboard module is connected with the hardware power module, the hardware power module is used for converting input voltage into internal unit working voltage, a communication end of the hardware mainboard module is connected with the hardware communication module, the hardware communication module is used for system communication network data processing, the hardware mainboard module is connected with the fuel purification control software module, the fuel purification control software module is used for operating configuration software engineering under a windows XP system, executing a manual and automatic flow of a fuel purification flow, monitoring purification process data state information, and the fuel purification control software module is connected with the data transceiving software module through a CAN network platform and serial port communication, the data receiving and sending software module is programmed by adopting a VS tool and used for performing intermediate conversion processing on operating data and transmitting requirements to the fuel purification control software module, the hardware power supply module is connected with the power supply module, the fuel purification control software module is in RS serial port communication connection with the electro-hydraulic butterfly valve control box, the data receiving and sending software module is in RS serial port communication connection with the fuel purification display box, and the data receiving and sending software module is connected with the data acquisition module through a CAN network platform.
Furthermore, an input device is arranged on the monitoring panel, and the input device is at least one of a mouse and a keyboard.
Furthermore, the electro-hydraulic butterfly valve control box comprises a BI communication module, a CM control module and a PLC module, the BI communication module is in communication connection with an external interface, the BI communication module is connected with the CM control module through an internal bus, the CM control module is electrically connected with the PLC module, the CM control module is in communication connection with the fuel purification monitoring substation through an RS serial port, and the CM control module is in electrical hard wiring connection with the electro-hydraulic butterfly valve connection box.
Furthermore, the electro-hydraulic butterfly valve control box and the fuel purification monitoring substation are fixed on the inner wall of the cabin through steel wire rope shock absorbers.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the controller of the Priger electro-hydraulic butterfly valve is adopted to obtain the switch control signal through the CM driving module, and then the electric signal is transmitted to the electro-hydraulic butterfly valve, so that the opening and closing of the electro-hydraulic butterfly valve can be accurately controlled with high precision.
2. The communication interface of the invention adopts a dual CAN redundancy design, and data CAN be uploaded even if one CAN fails, thereby ensuring smooth communication.
3. The invention realizes the automatic design of regional purification, namely the arrangement of the oil outlet cabin and the oil injection cabin is completed, and the purification operation with set amount can be automatically completed without human intervention.
Drawings
FIG. 1 is a block diagram of the control system of the novel fuel purifier of the present invention;
FIG. 2 is a block diagram of the electro-hydraulic butterfly valve control box in the control system of the novel fuel purification device of the invention;
FIG. 3 is a block diagram of a fuel purification monitoring substation in the control system of the novel fuel purification device of the present invention;
FIG. 4 is a block diagram of a reinforcing machine module in the control system of the novel fuel purifying device of the present invention;
FIG. 5 is a schematic view of an installation structure of an electrohydraulic butterfly valve control box in the control system of the novel fuel oil purification device;
FIG. 6 is a schematic view of the installation structure of a fuel purification monitoring substation in the control system of the novel fuel purification device of the present invention;
FIG. 7 is a schematic diagram of the operation of the control system of the novel fuel purification device of the present invention;
in the figure: 1. an electro-hydraulic butterfly valve control box; 11. a BI communication module; 12. a CM3 control module; 13. a PLC module; 2. an electro-hydraulic butterfly valve connecting box; 3. an electro-hydraulic butterfly valve; 4. a fuel oil centrifugal separator; 5. fuel purification sub-display boxes; 6. a fuel purification monitoring substation; 61. a stiffener module; 611. a hardware communication module; 612. a data transceiving software module; 613. a fuel purification control software module; 614. a hardware motherboard module; 615. a hardware power supply module; 62. a communication isolation module; 63. a monitoring panel; 64. a PLC control module; 65. a power supply module; 7. a data acquisition module; 8. a wire rope shock absorber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a novel fuel purification device control system, including electricity liquid butterfly valve control box 1, electricity liquid butterfly valve connecting box 2, the fuel purifies and divides and shows case 5 and fuel purification control substation 6, the fuel purifies control substation 6 and has electricity liquid butterfly valve control box 1 through RS485 serial communication connection, electricity liquid butterfly valve control box 1 is connected with electricity liquid butterfly valve connecting box 2 through electric hard wiring, electricity liquid butterfly valve connecting box 2 is connected with electricity liquid butterfly valve 3 through electric hard wiring, the fuel purifies control substation 6 and is connected with fuel centrifuge 4 through electric hard wiring, fuel purification control substation 6 has fuel purification to divide and shows case 5 through RS485 serial communication connection, fuel purification control substation 6 has data acquisition module 7 through CAN platform network connection.
Specifically, the fuel purification monitoring substation 6 comprises a reinforcing machine module 61, a communication isolation module 62, a monitoring panel 63, a PLC control module 64 and a power module 65, wherein the power input end of the reinforcing machine module 61 is connected with the power module 65, the IO port of the reinforcing machine module 61 is connected with the monitoring panel 63, the communication end of the reinforcing machine module 61 is respectively connected with the communication isolation module 62 and the PLC control module 64, the power input end of the PLC control module 64 is connected with the power module 65, the reinforcing machine module 61 is connected with the fuel purification sub-display box 5, the PLC control module 64 is respectively connected with the electro-hydraulic butterfly valve control box 1 and the fuel centrifugal separator 4,
by adopting the technical scheme, the monitoring panel 63 can display the power supply state and alarm information of the equipment; the data information acquired by the PLC control module 64 can be uploaded to the monitoring software operated by the reinforcing machine module 61, the control condition and the flow command of the monitoring software are executed, and the start and stop of the fuel centrifugal separator 4 and the operation state of the monitor can be controlled.
Specifically, the stiffener module 61 includes a hardware communication module 611, a data transceiver software module 612, a fuel purification control software module 613, a hardware motherboard module 614 and a hardware power module 615, the power input end of the hardware motherboard module 614 is connected with the hardware power module 615, the communication end of the hardware motherboard module 614 is connected with the hardware communication module 611, the hardware motherboard module 614 is connected with the fuel purification control software module 613, the fuel purification control software module 613 is connected with the data transceiver software module 612 through a CAN network platform and serial port communication, the hardware power module 615 is connected with the power module 65, the fuel purification control software module 613 is connected with the electro-hydraulic butterfly valve control box 1 through an RS485 serial port communication, the data transceiver software module 612 is connected with the fuel purification sub-display box 5 through an RS485 serial port communication, and the data transceiver software module 612 is connected with the data acquisition module 7 through the CAN network platform,
by adopting the above technical solution, the hardware motherboard module 614 is used for running an operating system and monitoring software; the hardware power supply module 615 is used for converting an input voltage into an internal unit working voltage; the hardware communication module 611 is used for system communication network data processing; the fuel purification control software module 613 is used for running a configuration software project under a windows XP system, executing a manual and automatic fuel purification process, and monitoring the data state information of the purification process; the data transceiver software module 612 is programmed with a VS tool for running intermediate data conversion processes to perform data transfer requests to the fuel purge control software module 613.
Specifically, the monitoring panel 63 is provided with an input device, the input device is at least one of a mouse and a keyboard,
by adopting the technical scheme, the basic information input of the monitoring software is realized.
Specifically, the electro-hydraulic butterfly valve control box 1 comprises a BI communication module 11, a CM3 control module 12 and a PLC module 13, the BI communication module 11 is in communication connection with an external interface, the BI communication module 11 is connected with the CM3 control module 12 through an internal bus, the CM3 control module 12 is electrically connected with the PLC module 13, the CM3 control module 12 is in communication connection with a fuel purification monitoring substation 6 through an RS485 serial port, the CM3 control module 12 is electrically and hard-wired with the electro-hydraulic butterfly valve connection box 2,
by adopting the technical scheme, the electro-hydraulic butterfly valve control box 1 has the function of executing instruction control and signal acquisition as a specific controller.
Specifically, the electro-hydraulic butterfly valve control box 1 and the fuel purification monitoring substation 6 are both fixed on the inner wall of a cabin through a steel wire rope damper 8,
through adopting above-mentioned technical scheme, wire rope bumper shock absorber 8 has shock-absorbing function, can reduce the vibrations that produce in the working process of electricity liquid butterfly valve control box 1 and the fuel purification control substation 6, prolongs the life of electricity liquid butterfly valve control box 1 and fuel purification control substation 6.
The fuel purification monitoring substation 6 is mainly internally divided into a data receiving and transmitting software module 612 and a fuel purification control software module 613, and the data exchange forms are RS485 communication and CAN communication; the fuel purification monitoring substation 6 adopts CAN communication and receives a liquid tank analog quantity signal value output by the data acquisition module 7; the fuel purification monitoring substation 6 adopts RS485 communication, sends a control instruction to the electro-hydraulic butterfly valve control box 1 and receives the state information of the electro-hydraulic butterfly valve 3; the fuel purification monitoring substation 6 adopts RS485 communication and sends purification process state information to the fuel purification sub-display box 5 for repeated display;
in summary, the working principle and the using process of the invention are as follows: the network communication is normally established, each device is started, the specific execution flow is electrified initialization, the states of the electro-hydraulic butterfly valve 3, the liquid level of the liquid tank and the fuel centrifugal separator 4 are monitored, corresponding automatic and manual working conditions are selected, control instructions are operated, corresponding monitored object actions are performed, state information is fed back, and the purification flow normally operates.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel fuel purification device control system, includes electric liquid butterfly valve control box (1), electric liquid butterfly valve connecting box (2), fuel purification shows case (5) and fuel purification control substation (6), its characterized in that: fuel purifies control substation (6) has electric liquid butterfly valve control box (1) through RS485 serial communication connection, electric liquid butterfly valve control box (1) is connected with electric liquid butterfly valve connecting box (2) through electric hard wiring, electric liquid butterfly valve connecting box (2) are connected with electric liquid butterfly valve (3) through electric hard wiring, fuel purifies control substation (6) and is connected with fuel centrifuge (4) through electric hard wiring, fuel purifies control substation (6) and has fuel purification branch display box (5) through RS485 serial communication connection, fuel purifies control substation (6) has data acquisition module (7) through CAN platform network connection.
2. The novel fuel purification device control system according to claim 1, characterized in that: fuel purifies control substation (6) is including reinforcing machine module (61), communication isolation module (62), control panel (63), PLC control module (64) and power module (65), the power input end and the power module (65) of reinforcing machine module (61) are connected, the IO port and the control panel (63) of reinforcing machine module (61) are connected, the communication end of reinforcing machine module (61) is connected with communication isolation module (62) and PLC control module (64) respectively, the power input end and the power module (65) of PLC control module (64) are connected, reinforcing machine module (61) are connected with fuel purification branch display box (5), PLC control module (64) are connected with electric liquid butterfly valve control box (1) and fuel centrifuge (4) respectively.
3. The novel fuel purification device control system according to claim 2, characterized in that: the reinforcing machine module (61) comprises a hardware communication module (611), a data transceiving software module (612), a fuel purification control software module (613), a hardware mainboard module (614) and a hardware power supply module (615), wherein a power input end of the hardware mainboard module (614) is connected with the hardware power supply module (615), a communication end of the hardware mainboard module (614) is connected with the hardware communication module (611), the hardware mainboard module (614) is connected with the fuel purification control software module (613), the fuel purification control software module (613) is connected with the data transceiving software module (612) through a CAN (controller area network) platform and a serial port in a communication mode, the hardware power supply module (615) is connected with a power supply module (65), the fuel purification control software module (613) is connected with the butterfly valve electrohydraulic control box (1) through an RS485 serial port in a communication mode, and the data transceiving software module (612) is connected with the fuel purification display box (5) through an RS485 serial port in a communication mode, the data receiving and transmitting software module (612) is connected with the data acquisition module (7) through a CAN network platform.
4. The novel fuel purification device control system according to claim 2, characterized in that: the monitoring panel (63) is provided with input equipment, and the input equipment is at least one of a mouse and a keyboard.
5. The novel fuel purification device control system according to claim 1, characterized in that: electrohydraulic butterfly valve control box (1) includes BI communication module (11), CM3 control module (12) and PLC module (13), BI communication module (11) and external interface communication connection, BI communication module (11) are connected with CM3 control module (12) through internal bus, CM3 control module (12) has PLC module (13) through electric connection, through RS485 serial communication connection between CM3 control module (12) and fuel purification control substation (6), the electric hardwiring is connected between CM3 control module (12) and electrohydraulic butterfly valve connecting box (2).
6. The novel fuel purification device control system according to claim 1, characterized in that: the electro-hydraulic butterfly valve control box (1) and the fuel purification monitoring substation (6) are fixed on the inner wall of the cabin through steel wire rope shock absorbers (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010969986.9A CN112083701A (en) | 2020-09-15 | 2020-09-15 | Novel fuel purifies device control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010969986.9A CN112083701A (en) | 2020-09-15 | 2020-09-15 | Novel fuel purifies device control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112083701A true CN112083701A (en) | 2020-12-15 |
Family
ID=73736759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010969986.9A Pending CN112083701A (en) | 2020-09-15 | 2020-09-15 | Novel fuel purifies device control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112083701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112947272A (en) * | 2021-01-27 | 2021-06-11 | 武汉南华工业设备工程股份有限公司 | Novel regional centralized control system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322752A (en) * | 2018-09-29 | 2019-02-12 | 南通航海机械集团有限公司 | A kind of marine fuel oil intelligence control system and control method |
| CN109932976A (en) * | 2019-04-15 | 2019-06-25 | 中国船舶重工集团公司第七0四研究所 | A kind of supply of grease Intelligent pipe net, which is adjusted, refutes platform monitor surface system |
-
2020
- 2020-09-15 CN CN202010969986.9A patent/CN112083701A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322752A (en) * | 2018-09-29 | 2019-02-12 | 南通航海机械集团有限公司 | A kind of marine fuel oil intelligence control system and control method |
| CN109932976A (en) * | 2019-04-15 | 2019-06-25 | 中国船舶重工集团公司第七0四研究所 | A kind of supply of grease Intelligent pipe net, which is adjusted, refutes platform monitor surface system |
Non-Patent Citations (1)
| Title |
|---|
| 李涛、等: "一种船用燃油智能化调驳***设计", 《舰船科学技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112947272A (en) * | 2021-01-27 | 2021-06-11 | 武汉南华工业设备工程股份有限公司 | Novel regional centralized control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201371945Y (en) | Electric steering engine controller based on FPGA | |
| CN202208972U (en) | Multi-point synchronization jacking device | |
| CN101782764B (en) | Embedded-type modularized serial control system for three-dimensional parking equipment | |
| CN2881093Y (en) | PLC control system of drilling machine | |
| CN201576203U (en) | Industrial bus-based coal mine pump house drainage redundant controller | |
| CN202492295U (en) | Network control system of crawler crane | |
| CN204716222U (en) | Control system of rig | |
| CN105401770A (en) | Structural control system of elevating side-step parking equipment | |
| CN112083701A (en) | Novel fuel purifies device control system | |
| CN201374005Y (en) | Belt conveying device automation control system | |
| CN203419683U (en) | Integrated platform for electrical system of crane | |
| CN106050562B (en) | A kind of wind generating variable-propeller control system | |
| CN201674386U (en) | Double-CPU redundancy fault-tolerant system based on high-voltage frequency converter | |
| CN200974768Y (en) | Equivalent weight automobile new-old oil displacement system | |
| CN201619567U (en) | Microcomputer control device for hydraulic transmission diesel locomotive | |
| CN202435127U (en) | Vehicle-mounted power supply controller | |
| CN101813110A (en) | Method for implementing airborne variable pressure hydraulic energy system | |
| CN201897725U (en) | Dual-microcomputer system capable of realizing communication in real time | |
| CN2805217Y (en) | Synchronous motor microprocessor field regulator based-on CPLD and 80 C196 monolithic processor | |
| CN102664578B (en) | Distributed control system of diesel generators | |
| CN202171642U (en) | High pressure frequency converter monitoring system testing apparatus | |
| CN201812166U (en) | Whole vehicle controller for serial hybrid power bus | |
| CN104253487A (en) | Integrated intelligent electronic device of transition layer of intelligent substation | |
| CN201753234U (en) | Large-sized foundry crane redundancy PLC control device | |
| CN205206439U (en) | Lifting and horizontal moving parking equipment's structural formula control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201215 |