CN211403208U - Control system for testing performance of gear box - Google Patents
Control system for testing performance of gear box Download PDFInfo
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- CN211403208U CN211403208U CN201921559719.3U CN201921559719U CN211403208U CN 211403208 U CN211403208 U CN 211403208U CN 201921559719 U CN201921559719 U CN 201921559719U CN 211403208 U CN211403208 U CN 211403208U
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Abstract
The utility model belongs to the technical field of product performance detection, in particular to a control system for gear box performance test, which comprises a central console and a remote control cabinet, wherein the central console comprises a PLC controller, an upper monitoring device and a main OLM optical fiber link module, wherein the upper monitoring device and the main OLM optical fiber link module are respectively connected with the PLC controller through a PROFIBUS bus; the remote control cabinet and the frequency conversion cabinet for carrying out speed regulation control on the gear box are respectively provided with a secondary OLM optical fiber link module, and each secondary OLM optical fiber link module is connected with the main OLM optical fiber link module through an optical fiber to form an optical fiber ring network; the upper monitoring device comprises an OP panel and a central industrial personal computer IPC which are respectively connected with a PROFIBUS bus of the PLC controller, and a common operation panel which is connected with the PLC controller through an I/O port. The whole gear box operation performance and the load test process are automatically managed by the central control console, the degree of automation is high, the operation and the use are convenient, and the influence of human errors on the system can be obviously reduced.
Description
Technical Field
The utility model relates to a product performance detects technical field, concretely relates to gear box capability test's control system.
Background
Gearboxes are one of the important basic components of modern mechanical equipment. Under the development of current mechanical equipment, various requirements such as high efficiency, high precision, high reliability, energy conservation and the like are provided for the manufacture of the gear box, so the factory detection of the gear box has great significance for the production of the gear box. The significance is established on the product quality, namely, the transmission efficiency is improved, the service life is prolonged, the product stability is improved, the production qualification rate of the gear box can be fundamentally improved by testing the performance of the gear box before leaving a factory, and the problems of energy consumption, safety and the like caused by the fact that the gear box does not meet the standard are reduced. At present, a fixed formula is not formed for the performance test of the gearbox, the test method and the test device are still in an immature stage, and the artificial operation error is an important factor causing the accuracy of the performance test result of the gearbox to be low. Therefore, how to acquire the gearbox performance data with higher precision is a technical problem which needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a control system of gear box capability test in order to acquire gear box performance data of higher accuracy.
The control system for the gearbox performance test comprises a central console 1 and a remote control cabinet 2, wherein the central console 1 comprises a PLC (programmable logic controller) 10, and an upper monitoring device and a main OLM (on-line monitoring) optical fiber link module 11 which are respectively connected with the PLC 10 through a PROFIBUS (process automation bus);
the remote control cabinet 2 and the frequency conversion cabinet 3 for controlling the speed regulation of the gear box are respectively provided with a secondary OLM optical fiber link module 13, and each secondary OLM optical fiber link module 13 is connected with the main OLM optical fiber link module 11 through an optical fiber to form an optical fiber ring network 12;
the upper monitoring device comprises an OP panel and a central industrial personal computer IPC17 which are respectively connected with a PROFIBUS bus of the PLC controller 10, and a public operation panel which is connected with the PLC controller 10 through an I/O port, wherein the OP panel and the central industrial personal computer IPC17 are used for providing a human-computer interface comprising working condition selection, parameter setting and data display, the public operation panel is used for realizing the functions of operation address selection, fault resetting and audible and visual alarm, and the OP operation address and the IPC operation address are mutually backed up.
Preferably, the optical fiber ring network is further connected with a thin oil station cabinet 6 and a water chiller 7 through a secondary OLM optical fiber link module 13, wherein the primary OLM optical fiber link module 11 is configured to send an optical signal carrying a working condition management instruction to each secondary OLM optical fiber link module 13 through the optical fiber ring network 12, and is further configured to receive an optical signal fed back by the secondary OLM optical fiber link module 13, extract system operating state information and fault information from the feedback optical signal for the PLC controller 10 to read, and perform data archiving processing and abnormal display through the central industrial personal computer IPC 17.
Preferably, the PLC controller 10 includes a logic interlock control module, a communication module, and a fault detection module;
the logic interlocking control module is used for signal input and output interface management, working condition signal processing, and equipment interlocking and driving;
the communication module comprises a first communication unit for performing data interaction with the upper monitoring device and a second communication unit for performing data interaction with the frequency conversion cabinet 3 and the remote control cabinet 2;
the fault detection module is used for automatically detecting system faults and sending fault alarm signals to the upper monitoring device when the faults are found.
Preferably, a first OP panel 14, a second OP panel 15 and a third OP panel 16 are connected to the PROFIBUS-DP bus of the PLC controller 10.
Preferably, the upper monitoring device is in communication connection with the data acquisition console 4 and the local acquisition cabinet 5 through the ethernet switch 40.
Preferably, the central industrial personal computer IPC17 is connected with the ethernet switch 40;
the local acquisition cabinet 5 is provided with a distributed acquisition device and a torque measurement device 51 which are connected with the Ethernet switch 40;
and a data acquisition industrial control machine 41 connected with the Ethernet switch 40 is arranged on the data acquisition console 4.
In the technical scheme, the PLC controller is connected with the upper monitoring device through the PROFIBUS bus, and carry out optical fiber communication with the next equipment through main OLM optical fiber link module, can monitor and trouble warn the running state of whole test bench, the interference killing feature of signal transmission process has been strengthened simultaneously, gear box running performance and load test process are all managed by central control platform, degree of automation is high, and the operation of being convenient for, can show the influence that reduces artificial error and cause the system, thereby make the precision of gear box operation test data high.
Drawings
FIG. 1 is a schematic diagram of the connection of a control system to a fiber ring network;
fig. 2 is a schematic diagram of the connection of the control system to the data acquisition system.
Description of the reference numerals
A center console 1; a remote control cabinet 2; a frequency conversion cabinet 3; a data acquisition console 4; a local collection cabinet 5; a thin oil station cabinet 6; a water chiller unit 7; a PLC controller 10; a primary OLM fiber link module 11; an optical fiber ring network 12; a secondary OLM fiber link module 13; a first OP panel 14; a second OP panel 15; a third OP panel 16; a central industrial control computer IPC 17; a common operation panel 18; an Ethernet switch 40; a numerical mining operator control machine 41; a distributed acquisition device 50; a torque measuring device 51.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
The utility model provides a gear box performance test platform adopts middling pressure to exchange frequency conversion drive technique, realizes large-scale gear box's multiplex condition electric power repayment drive/loading to gather gear box operational data in real time in the experimentation, the utility model provides a control system of gear box performance test for carry out centralized control and running state to whole gear box performance test platform and keep watch on.
As shown in fig. 1, the control system includes a central console 1 and a remote control cabinet 2, wherein the central console 1 includes a PLC controller 10, and an upper monitoring device and a main OLM optical fiber link module 11 respectively connected to the PLC controller 10 via PROFIBUS. The remote control cabinet 2 and the frequency conversion cabinet 3 for controlling the speed of the gear box are respectively provided with a secondary OLM optical fiber link module 13, and each secondary OLM optical fiber link module 13 is connected with the main OLM optical fiber link module 11 through an optical fiber to form an optical fiber ring network 12.
The upper monitoring device comprises an OP panel and a central industrial personal computer IPC17 which are respectively connected with a PROFIBUS bus of the PLC controller 10, and a public operation panel which is connected with the PLC controller 10 through an I/O port, wherein the OP panel and the central industrial personal computer IPC17 are used for providing a human-computer interface comprising working condition selection, parameter setting and data display, the public operation panel is used for realizing the functions of operation address selection, fault resetting and audible and visual alarm, and the OP operation address and the IPC operation address are mutually backed up.
The utility model discloses in, main OLM optical fiber link module 11 is used for converting PROFIBUS bus signal into light signal and with frequency conversion cabinet 3 with remote control cabinet 2 realizes optical fiber communication.
The central console 1 has two operation modes of OP operation and IPC operation, and the OP operation address and the IPC operation address are backup and can be converted with each other, when the IPC has a failure, the operation can be switched to the OP operation, and vice versa.
The utility model discloses in, PLC controller 10 is connected with upper monitoring device through PROFIBUS bus, and through main OLM optical fiber link module 11 and remote control cabinet 2, equipment such as frequency conversion cabinet 3 carry out fiber communication, can keep watch on and trouble warning the running state of whole test bench, the interference killing feature of signal transmission process has been strengthened simultaneously, gear box operating performance and load test process all are managed by central control platform 1, degree of automation is high, and be convenient for operate, can show the influence that reduces artificial error and cause the system, thereby make gear box operation test data's precision high.
Further, the optical fiber ring network is further connected with a thin oil station cabinet 6 and a water chiller unit 7 through a secondary OLM optical fiber link module 13, wherein the primary OLM optical fiber link module 11 is configured to send an optical signal carrying a working condition management instruction to each secondary OLM optical fiber link module 13 through the optical fiber ring network 12, and is further configured to receive an optical signal fed back by the secondary OLM optical fiber link module 13, extract system operation state information and fault information from the feedback optical signal for the PLC controller 10 to read, and perform data archiving processing and abnormal display through the central industrial personal computer IPC 17.
The utility model discloses in, remote control cabinet 2, thin oil station cabinet 6, water-chilling unit 7 and frequency conversion cabinet 3 all are provided with secondary OLM optical fiber link module 13, connect gradually the back through optic fibre between the secondary OLM optical fiber link module 13 and become an optical fiber looped netowrk 12 with main OLM optical fiber link module 11, remote control cabinet 2, thin oil station cabinet 6, water-chilling unit 7 and frequency conversion cabinet 3 all can through optical fiber looped netowrk 12 with PLC controller 10 carries out the information interaction, realizes that central control platform 1 opens/stops to the remote control of next equipment and reaches operating mode supervisory control, and next equipment provides real-time operating data and fault information to central control platform 1.
The PLC 10 is a core control device of the variable frequency speed control system of the gear box, and the variable frequency cabinet realizes the state switching and the working condition management of the gear box under the management of a PLC control program. Specifically, the PLC controller 10 includes a logic interlock control module, a communication module, and a fault detection module.
The logic interlocking control module is used for signal input and output interface management, working condition signal processing, and equipment interlocking and driving. The communication module comprises a first communication unit for data interaction with the upper monitoring device and a second communication unit for data interaction with the frequency conversion cabinet 3, the remote control cabinet 2, the thin oil station cabinet 6 and the water cooling unit 7. The fault detection module is used for automatically detecting system faults and sending fault alarm signals to the upper monitoring device when the faults are found.
The PLC controller 10 is used for monitoring and managing all the devices, in particular, interlocking control and fault protection of the respective components. The PLC control software comprises a working condition selection control logic, a main power supply on-off control logic, a motor forward/reverse rotation switching logic, a start/stop control logic, an indicator light control logic and other main functions. Different working condition combinations are selected according to the gear box type, and when the working condition combinations are correct, the PLC control program enters corresponding operating working conditions and completes corresponding interlocking control; and when the working condition combination is wrong, the control program gives an alarm and gives a prompt on a monitoring interface of the upper monitoring device. Because the program has an interlocking protection function, the working condition switching is not allowed when the machine runs.
Illustratively, the main power on-off control logic function is specifically as follows: the logic control and the interlocking protection of closing/opening of the incoming line switch cabinet are realized, and the main power switch can be closed only when the frequency converter control power supply is ready and the pre-charging is ready.
The forward/reverse switching function of the motor is as follows: when the working condition is selected to be correct, the forward rotation and the reverse rotation are selected at corresponding operation addresses, but the forward rotation and the reverse rotation can be switched under the condition that the rotating speed of the motor is zero. When forward rotation is selected, the speed given lock is a positive value, and when reverse rotation is selected, the speed given lock is a negative value.
The start/stop control function is specifically: only when the frequency converter is in a ready state and the rotating speed of the dragging system is set to be zero, the starting button of the selected operation address is pressed, and the dragging/loading system can be started; the drag/load system can be normally stopped by pressing the stop button of the selected operation address. In an emergency situation, the emergency stop button of the center console 1 can be pressed to emergency stop the towing/loading system.
The logic control function of the indicator light is specifically as follows: and according to the running state of the system, lighting the corresponding indicator lamp.
In the upper monitoring apparatus, a first OP panel 14, a second OP panel 15, and a third OP panel 16 are connected to a PROFIBUS-DP bus of the PLC controller 10.
Under the automatic control action of the PLC controller 10, the operation functions of the first OP panel 14, the second OP panel 15, the third OP panel 16 and the central industrial personal computer IPC17 specifically include:
1. selecting working conditions, for example, completing switching on/off of each unit circuit, selecting an operation address, selecting forward/reverse rotation, selecting a dragging/loading mode, controlling start/stop, giving different working condition durations and the like;
2. parameter settings, such as setting the frequency, current, voltage (including dc bus voltage, motor voltage), rotational speed, output torque, etc. of motor operation;
3. data display, such as system operation state, test parameters, test process curves, system abnormal reasons and part display, is realized by paging display.
Besides, the central control console 1 can also complete the compilation and modification of various process test programs and control the printer to output various curves and data.
The utility model discloses in, control system's network control layer adopts PROFIBUS-DP field bus structure, divide into two PROFIBUS networks. Specifically, the upper monitoring device, i.e. each OP panel and the central industrial personal computer IPC17 form a communication network with the PLC controller 10 through the PROFIBUS-DP bus; the lower device of the PLC controller 10 comprises a frequency conversion cabinet 3 and the like which are connected to a PROFIBUS-DP optical fiber ring network, wherein the frequency conversion cabinet 3 receives a speed given signal and a control instruction from the PLC controller 10 to carry out working condition management, meanwhile, the frequency conversion cabinet 3 supplies voltage, current, torque, power, speed, running state and fault information of the frequency conversion cabinet to the PLC controller 10 through a PROFIBUS bus, and the data can be displayed on an OP screen of an upper monitoring device and can be filed and processed. When the PROFIBUS-DP network of the optical fiber link layer breaks down, the variable frequency speed control system cannot work normally and is regarded as a serious fault.
The control software of the PLC 10 automatically detects various faults of the whole test bed and takes corresponding fault protection measures, and the fault protection functions comprise an emergency stop logic control function, a closing interlocking protection function, a starting interlocking protection function, an incoming and outgoing line switch fault protection transformer fault protection, a frequency converter fault protection, a motor fault protection, a thin oil station fault protection, a network communication fault protection, an overspeed fault protection, a broken shaft fault protection, a short circuit and instantaneous trip protection, an overcurrent protection, an undervoltage protection, an overvoltage protection and the like. In practical applications, the handling of system failures includes the following aspects: the control program allows the user to have misoperation to a certain extent, and the system has certain identification and protection capabilities for the misoperation; when the dragging system has general faults, the control software transmits detected fault signals to an upper monitoring device for display and provides corresponding maintenance instructions; when serious faults such as network faults and the like occur in the dragging system, the control software transmits the detected faults to an upper monitoring device and triggers an alarm, such as fault lamps with different colors, and meanwhile, the control software starts an automatic protection strategy and stops to prevent the whole system from being damaged.
Further, the control system is connected with a data acquisition system, as shown in fig. 2, and the monitoring system is in communication connection with the data acquisition console 4 and the local acquisition cabinet 5 through an ethernet switch 40.
Specifically, the local collection cabinet 5 serves as a collection front end of the data collection system, and is used for collecting experimental parameters of a gearbox performance experiment in real time and transmitting various parameters measured in the experimental process to the data collection console 4 through the ethernet. The data acquisition console 4 is used as data processing equipment of the data acquisition system and is used for displaying the experimental parameters of the performance experiment of the gearbox in real time, correspondingly analyzing and processing the experimental parameters through the data acquisition industrial control machine 41, and printing an experimental report through a printer.
The utility model discloses in central industrial computer IPC17 with ethernet switch 40 connects, be provided with in the local collection cabinet 5 with distributed collection system and torque measurement device 51 that ethernet switch 40 connects. The data acquisition control platform 4 is provided with a data acquisition industrial control machine 41, an LCD industrial control machine 42 and an LED controller 43 which are connected with the Ethernet switch 40, the data acquisition industrial control machine 41 is connected with a printer, and the LED controller 43 is connected with at least two LED display screens.
The parameter acquisition device is used for acquiring relevant operation parameters of a gearbox performance experiment in real time, wherein the relevant operation parameters comprise temperature, flow, pressure, rotating speed, torque, voltage, current and switch state parameters, and uploading acquired data to the data acquisition console 4 and the upper monitoring device through a TCP/IP protocol.
The utility model discloses in, central control console passes through OLM optical fiber link module and remote control cabinet, the inverter cabinet, thin oil station control cabinet and water chiller group switch board constitute the optic fibre looped netowrk, and realize the data interaction through ethernet and data acquisition control cabinet and local collection cabinet, whole gear box working property and load test process are all managed by the automatic completion of central control console, degree of automation is high, be convenient for operation and use, can show the influence that reduces human error and cause the system, the precision of gear box operation test data is high.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. In the technical idea scope of the present invention, it can be right to the technical solution of the present invention perform multiple simple modifications, including each technical feature combined in any other suitable manner, these simple modifications and combinations should be regarded as the disclosed content of the present invention, and all belong to the protection scope of the present invention.
Claims (6)
1. A control system for testing the performance of a gearbox is characterized by comprising a central console (1) and a remote control cabinet (2), wherein the central console (1) comprises a PLC (programmable logic controller) 10, and an upper monitoring device and a main OLM optical fiber link module (11) which are respectively connected with the PLC (10) through a PROFIBUS bus;
the remote control cabinet (2) and the frequency conversion cabinet (3) for controlling the speed regulation of the gear box are respectively provided with a secondary OLM optical fiber link module (13), and each secondary OLM optical fiber link module (13) is connected with the main OLM optical fiber link module (11) through an optical fiber to form an optical fiber ring network (12);
the upper monitoring device comprises an OP panel and a central industrial personal computer IPC (17) which are respectively connected with a PROFIBUS bus of the PLC (10) and a public operation panel which is connected with the PLC (10) through an I/O port, wherein the OP panel and the central industrial personal computer IPC (17) are used for providing a human-computer interface comprising working condition selection, parameter setting and data display, the public operation panel is used for realizing the functions of operation address selection, fault resetting and audible and visual alarm, and the OP operation address and the IPC operation address are mutually backed up.
2. The control system of claim 1, wherein the optical fiber ring network is further connected with a thin oil station cabinet (6) and a water chiller unit (7) through a secondary OLM optical fiber link module (13), wherein the primary OLM optical fiber link module (11) is configured to send an optical signal carrying a condition management instruction to each secondary OLM optical fiber link module (13) through the optical fiber ring network (12), and is further configured to receive the optical signal fed back by the secondary OLM optical fiber link module (13), extract system operating state information and fault information from the fed-back optical signal for reading by the PLC controller (10), and perform archiving processing and abnormal display of data through a central IPC (17).
3. The control system according to claim 2, wherein the PLC controller (10) comprises a logic interlock control module, a communication module, and a fault detection module;
the logic interlocking control module is used for signal input and output interface management, working condition signal processing, and equipment interlocking and driving;
the communication module comprises a first communication unit for performing data interaction with the upper monitoring device and a second communication unit for performing data interaction with the frequency conversion cabinet (3), the remote control cabinet (2), the thin oil station cabinet (6) and the water cooling unit (7);
the fault detection module is used for automatically detecting system faults and sending fault alarm signals to the upper monitoring device when the faults are found.
4. Control system according to claim 1, characterized in that a first OP panel (14), a second OP panel (15) and a third OP panel (16) are connected to the PROFIBUS-DP bus of the PLC controller (10).
5. The control system for testing the performance of the gearbox according to the claim 1 is characterized in that the upper monitoring device is in communication connection with the data acquisition console (4) and the local acquisition cabinet (5) through an Ethernet switch (40).
6. The control system for gearbox performance testing according to claim 5, characterized in that the central industrial personal computer IPC (17) is connected with the Ethernet switch (40);
a distributed acquisition device and a torque measuring device (51) which are connected with the Ethernet switch (40) are arranged in the local acquisition cabinet (5);
and a data acquisition industrial control machine (41) connected with the Ethernet switch (40) is arranged on the data acquisition console (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559719.3U CN211403208U (en) | 2019-09-19 | 2019-09-19 | Control system for testing performance of gear box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921559719.3U CN211403208U (en) | 2019-09-19 | 2019-09-19 | Control system for testing performance of gear box |
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| CN211403208U true CN211403208U (en) | 2020-09-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857793A (en) * | 2021-01-15 | 2021-05-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Multi-working-condition gearbox test bed emergency stop protection control system and method |
| CN113305866A (en) * | 2021-05-08 | 2021-08-27 | 西安交通大学 | Electric control system of line-driven continuum robot |
-
2019
- 2019-09-19 CN CN201921559719.3U patent/CN211403208U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857793A (en) * | 2021-01-15 | 2021-05-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Multi-working-condition gearbox test bed emergency stop protection control system and method |
| CN112857793B (en) * | 2021-01-15 | 2022-06-07 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Multi-working-condition gearbox test bed emergency stop protection control system and method |
| CN113305866A (en) * | 2021-05-08 | 2021-08-27 | 西安交通大学 | Electric control system of line-driven continuum robot |
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