CN106685309B - Heavy-load horizontal loading drive control system and control method - Google Patents
Heavy-load horizontal loading drive control system and control method Download PDFInfo
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- CN106685309B CN106685309B CN201610771892.4A CN201610771892A CN106685309B CN 106685309 B CN106685309 B CN 106685309B CN 201610771892 A CN201610771892 A CN 201610771892A CN 106685309 B CN106685309 B CN 106685309B
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
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Abstract
The invention relates to a heavy-load horizontal loading drive control system and a control method, comprising a motor, a motor control unit and a man-machine interaction unit, wherein the motor, the motor control unit and the man-machine interaction unit comprise a standby protection control module used for realizing standby protection functions under fault modes of overspeed, overload and the like; judging whether a power supply input switch and an output switch of the motor control unit are attracted or not, detecting whether the control unit is in a stop state or not, and controlling the motor control unit to be electrified when the state is met; in operation, when the rotating speed detection element fails and the motor control unit cannot protect, the standby protection control module can power off and stop the system. The motor control unit is used as a control core, the system is ensured to be safe and reliable and can realize good human-computer interaction through the standby protection of the standby protection control module and the real-time display of the human-computer interaction unit, and the system has the advantages of few auxiliary equipment, simple operation and convenient maintenance.
Description
Technical Field
The invention relates to a rocket launching control system, in particular to a heavy-load horizontal loading driving control system.
Background
Traditional heavy-load horizontal loading propelling machinery generally adopts hydraulic cylinder propulsion mode to satisfy heavy-load product's high thrust, large stroke service condition. However, the propulsion mode of the hydraulic oil cylinder has the defects of low efficiency, easy environmental pollution, high noise and the like, is difficult to realize long-stroke stable continuous propulsion, has a complex structure, a plurality of supporting equipment, a plurality of operators, high manufacturing and maintenance costs, and is limited to a certain extent when in use.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the heavy-load horizontal filling driving control system which is light in weight, few in auxiliary equipment, simple in operation, continuous in propulsion, stable in speed, high in control precision and complete in protection measures.
The technical scheme adopted by the invention is as follows:
a heavy-load horizontal loading drive control system comprises a motor, a motor control unit and a man-machine interaction unit, and comprises a standby protection control module for realizing standby protection functions in fault modes of overspeed, overload and the like; the system is electrified and the backup protection control module firstly starts working, judges whether a power supply input switch and an output switch of a motor control unit are attracted or not, detects whether the control unit is in a stop state or not, and controls the motor control unit to be electrified when the state is met; when the rotating speed detection element fails and the motor control unit cannot protect during operation, the standby protection control module can power off and stop the system; if the motor control unit fails, when the system cannot stop after receiving the signals of the limiting module, the standby protection control module can power off and stop the system.
A heavy duty horizontal fill drive control system comprising the steps of:
step 101, connecting three-phase power frequency alternating current, wherein the three-phase power frequency alternating current supplies power to a motor and a control unit;
102, connecting a standby protection control module with a power supply;
103, starting a standby protection control module;
104, controlling a system to switch on a power supply;
105, judging whether a power supply input switch and an output switch of the power supply control unit are attracted by the standby protection control module; a step 106 of actuating a power input switch and an output switch of the motor control unit, otherwise, a step 104 is executed;
106, detecting whether the control unit belongs to a stop state by the standby protection control module; detecting that the control unit belongs to the stop state, executing step 107, otherwise, executing step 104;
step 107, electrifying the motor control unit;
step 108, operating a motor;
step 109, the standby protection control module judges whether the rotation speed detection unit is in failure;
step 110, the forward or backward limiting module sends out a signal;
111, detecting whether the control system sends a shutdown signal or not by the standby protection control module, and sending the shutdown signal by the control system to execute a step 000; if the control system does not send out a stop signal, executing step 112;
step 112, the standby module sends out a shutdown signal;
in step 113, the motor is stopped.
The forward in-place signal module and the backward in-place signal module are respectively two limiting modules which are connected in parallel.
And after the signal of the limiting module takes effect, the standby protection control module detects whether the motor control unit stops or not in a delayed mode, and the power supply of the motor is cut off if the motor control unit does not stop.
The standby protection control module detects feedback values of a self-contained rotating speed detection element and an external rotating speed sensor of the motor, if the deviation exceeds a set value, the standby protection control module delays to judge whether the motor control unit enters a stop state or not, and if the motor control unit does not enter the stop state, the power supply of the motor is cut off.
When the main motor control unit has a fault, the main motor control unit is manually switched to the standby motor control unit.
The motor control unit adopts a dual torque protection mode, namely: the torque limiting module and the control unit are in a double-torque protection mode of over-torque protection, when the torque is larger than a limit value, the control unit realizes torque protection, and the filling mechanism decelerates until the filling mechanism stops; if the torque protection of the control unit fails, the torque limiting module acts to ensure that the loading mechanism stops, and the reliability and the safety of the system are improved.
The motor control unit is powered by three-phase power frequency alternating current based on a vector control algorithm, can receive mode selection signals of open loop/closed loop, slow speed/fast speed, manual/automatic loading in place/backing in place, forward/backing/stop and the like from switching signals, selects a corresponding working mode after the control unit is powered on, starts to run the motor, can switch between the fast mode and the slow mode during running, and meets the speed requirements of different working conditions. And when the filling mechanism receives a signal of the limiting module in operation, the filling mechanism stops operating.
The system is provided with a visual operation human-computer interaction interface, and realizes communication with a motor control unit and a standby protection control module based on a field bus;
the communication between the interaction unit and the motor control unit is in a bidirectional mode, so that the information such as rotating speed, torque, alarm and the like sent by the motor control unit can be received, and partial parameters in the motor control unit can be set through the interaction unit; the standby protection control module can send the related alarm information to the human-computer interaction unit for display.
Compared with the prior art, the invention has the beneficial effects that:
the heavy-load horizontal loading drive control system solves a series of problems of low efficiency, environmental pollution, high noise, difficulty in realizing long-stroke stable continuous propulsion, complex structure, high manufacturing and maintenance costs and the like of the traditional hydraulic oil cylinder propulsion mode,
the heavy-load horizontal loading drive control system replaces the traditional hydraulic oil cylinder propulsion scheme by an electric control drive scheme. The motor control unit is used as a control core, and the system is ensured to be safe and reliable and can realize good human-computer interaction through the standby protection of the standby protection control module and the real-time display of the human-computer interaction unit, so that the motor control unit is the development direction of a new generation of heavy-load horizontal filling propulsion technology.
The heavy-load horizontal loading drive control system has the advantages of few auxiliary equipment, simple operation, convenient maintenance, continuous propulsion and stable speed, fundamentally reduces the design difficulty and the design cost and shortens the production period compared with the traditional hydraulic propulsion scheme.
In order to solve the problems, simplify the system structure and adapt to the special use requirements of certain heavy-load products, the invention discloses a scheme of a horizontal filling electric control system. The whole set of electric control system has the advantages of light weight, less auxiliary equipment, simple operation, continuous propulsion, stable speed, high control precision, complete protection measures and the like, and solves the problems of more auxiliary equipment, complex operation, high maintenance cost, incapability of continuous propulsion and the like in the traditional hydraulic filling scheme.
Drawings
FIG. 1 is a schematic control flow diagram of the heavy-duty horizontal-loading drive control system of the present invention;
FIG. 2 is a schematic diagram of the electrical control system of the heavy duty horizontal loading drive control system of the present invention.
In the drawings, the main parts are illustrated by symbols:
in the figure:
1. motor 2, external speed sensor
3. And a rotation speed and torque detecting element.
Detailed Description
The invention is described in detail below with reference to the figures and examples:
as can be seen in fig. 1-2, a heavy duty horizontal filling drive control system includes the steps of:
step 101, connecting three-phase power frequency alternating current, wherein the three-phase power frequency alternating current supplies power to a motor and a control unit;
102, connecting a standby protection control module with a power supply;
103, starting a standby protection control module;
104, controlling a system to switch on a power supply;
105, judging whether a power supply input switch and an output switch of the power supply control unit are attracted by the standby protection control module; a step 106 of actuating a power input switch and an output switch of the motor control unit, otherwise, a step 104 is executed;
106, detecting whether the control unit belongs to a stop state by the standby protection control module; detecting that the control unit belongs to the stop state, executing step 107, otherwise, executing step 104;
step 107, electrifying the motor control unit;
step 108, operating a motor;
step 109, the standby protection control module judges whether the rotation speed detection unit is in failure;
step 110, the forward or backward limiting module sends out a signal;
111, detecting whether the control system sends a shutdown signal or not by the standby protection control module, and sending the shutdown signal by the control system to execute a step 000; if the control system does not send out a stop signal, executing step 112;
step 112, the standby module sends out a shutdown signal;
in step 113, the motor is stopped.
The forward in-place signal module and the backward in-place signal module are respectively two limiting modules which are connected in parallel.
And after the signal of the limiting module takes effect, the standby protection control module detects whether the motor control unit stops or not in a delayed mode, and the power supply of the motor is cut off if the motor control unit does not stop.
The standby protection control module detects feedback values of a self-contained rotating speed detection element and an external rotating speed sensor of the motor, if the deviation exceeds a set value, the standby protection control module delays to judge whether the motor control unit enters a stop state or not, and if the motor control unit does not enter the stop state, the power supply of the motor is cut off.
When the main motor control unit has a fault, the main motor control unit is manually switched to the standby motor control unit.
The motor control unit adopts a dual torque protection mode, namely: the torque limiting module and the control unit are in a double-torque protection mode of over-torque protection, when the torque is larger than a limit value, the control unit realizes torque protection, and the filling mechanism decelerates until the filling mechanism stops; if the torque protection of the control unit fails, the torque limiting module acts to ensure that the loading mechanism stops, and the reliability and the safety of the system are improved.
The motor control unit is powered by three-phase power frequency alternating current based on a vector control algorithm, can receive mode selection signals of open loop/closed loop, slow speed/fast speed, manual/automatic loading in place/backing in place, forward/backing/stop and the like from switching signals, selects a corresponding working mode after the control unit is powered on, starts to run the motor, can switch between the fast mode and the slow mode during running, and meets the speed requirements of different working conditions. And when the filling mechanism receives a signal of the limiting module in operation, the filling mechanism stops operating.
The system is provided with a visual operation human-computer interaction interface, and realizes communication with a motor control unit and a standby protection control module based on a field bus;
the communication between the interaction unit and the motor control unit is in a bidirectional mode, so that the information such as rotating speed, torque, alarm and the like sent by the motor control unit can be received, and partial parameters in the motor control unit can be set through the interaction unit; the standby protection control module can send the related alarm information to the human-computer interaction unit for displaying, and good human-computer interaction is achieved.
The heavy-load horizontal loading drive control system solves a series of problems of low efficiency, environmental pollution, high noise, difficulty in realizing long-stroke stable continuous propulsion, complex structure, high manufacturing and maintenance costs and the like of the traditional hydraulic oil cylinder propulsion mode,
the heavy-load horizontal loading drive control system replaces the traditional hydraulic oil cylinder propulsion scheme by an electric control drive scheme. The motor control unit is used as a control core, and the system is ensured to be safe and reliable and can realize good human-computer interaction through the standby protection of the standby protection control module and the real-time display of the human-computer interaction unit, so that the motor control unit is the development direction of a new generation of heavy-load horizontal filling propulsion technology.
The heavy-load horizontal loading drive control system has the advantages of few auxiliary equipment, simple operation, convenient maintenance, continuous propulsion and stable speed, fundamentally reduces the design difficulty and the design cost and shortens the production period compared with the traditional hydraulic propulsion scheme.
The invention relates to a heavy-load horizontal loading drive control system which mainly comprises a motor control unit, a standby protection control module, a human-computer interaction unit, a motor and the like. The whole set of electric control system has the advantages of light weight, less auxiliary equipment, simple operation, continuous propulsion, stable speed, high control precision, complete protection measures and the like, and solves the problems of more auxiliary equipment, complex operation, high maintenance cost, incapability of continuous propulsion and the like in the traditional hydraulic filling scheme.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (7)
1. A control method of a heavy-load horizontal filling driving control system,
the heavy-load horizontal loading drive control system comprises a motor, a motor control unit, a man-machine interaction unit and a standby protection control module for realizing standby protection functions in overspeed and overload fault modes; the system is electrified and the backup protection control module firstly starts working, judges whether a power supply input switch and an output switch of a motor control unit are attracted or not, detects whether the control unit is in a stop state or not, and controls the motor control unit to be electrified when the state is met; when the rotating speed detection element fails and the motor control unit cannot protect during operation, the standby protection control module can power off and stop the system; if the motor control unit fails, when the system cannot stop after receiving the signal of the limiting module, the standby protection control module can power off and stop the system;
the method is characterized by comprising the following steps:
step 101, connecting three-phase power frequency alternating current, wherein the three-phase power frequency alternating current supplies power to a motor and a control unit;
102, connecting a standby protection control module with a power supply;
103, starting a standby protection control module;
104, controlling a system to switch on a power supply;
105, judging whether a power supply input switch and an output switch of the power supply control unit are attracted by the standby protection control module; a step 106 of actuating a power input switch and an output switch of the motor control unit, otherwise, a step 104 is executed;
106, detecting whether the control unit belongs to a stop state by the standby protection control module; detecting that the control unit belongs to the stop state, executing step 107, otherwise, executing step 104;
step 107, electrifying the motor control unit;
step 108, operating a motor;
step 109, the standby protection control module judges whether the rotation speed detection unit is in failure; if the rotating speed detection unit fails, executing step 112, otherwise, executing step 110;
step 110, the forward or backward limiting module sends out a signal;
111, detecting whether the control system sends a shutdown signal or not by the standby protection control module, and sending the shutdown signal by the control system to execute 113; if the control system does not send out a stop signal, executing step 112;
step 112, the standby module sends out a shutdown signal;
step 113, stopping the motor;
the motor control unit adopts a dual torque protection mode, namely: the torque limiting module and the control unit are in a double-torque protection mode of over-torque protection, when the torque is larger than a limit value, the control unit realizes torque protection, and the filling mechanism decelerates until the filling mechanism stops; and if the torque protection of the control unit fails, the torque limiting module acts to ensure that the loading mechanism stops.
2. The control method of the heavy-duty horizontal filling drive control system according to claim 1, characterized in that: the forward in-place signal module and the backward in-place signal module are respectively two limiting modules which are connected in parallel.
3. The control method of the heavy-duty horizontal filling drive control system according to claim 1, characterized in that: and after the signal of the limiting module takes effect, the standby protection control module detects whether the motor control unit stops or not in a delayed mode, and the power supply of the motor is cut off if the motor control unit does not stop.
4. The control method of the heavy-duty horizontal filling drive control system according to claim 1, characterized in that: the standby protection control module detects feedback values of a motor self-contained rotating speed detection element and an external rotating speed sensor, if deviation exceeds a set value, time delay is conducted to judge whether a motor control unit enters a stop state, and if the motor control unit does not enter the stop state, a power supply of the motor is cut off.
5. The control method of the heavy-duty horizontal filling drive control system according to claim 1, characterized in that: when the main motor control unit has a fault, the main motor control unit is manually switched to the standby motor control unit.
6. The control method of the heavy-duty horizontal filling drive control system according to claim 2, characterized in that: the motor control unit is powered by three-phase power frequency alternating current based on a vector control algorithm, can receive open-loop/closed-loop, slow speed/fast speed, manual/automatic, in-place/back-place filling and forward/back/stop mode selection signals from switching signals, selects a corresponding working mode when the control unit is powered on, starts to run the motor, can switch between a fast mode and a slow mode during running, and meets the speed requirements of different working conditions; and when the filling mechanism receives a signal of the limiting module in operation, the filling mechanism stops operating.
7. The control method of the heavy-duty horizontal filling drive control system according to claim 2, characterized in that: the system is provided with a visual operation human-computer interaction interface, and realizes communication with a motor control unit and a standby protection control module based on a field bus;
the communication between the interaction unit and the motor control unit is in a bidirectional mode, so that the rotation speed, the torque and the alarm information sent by the motor control unit can be received, and partial parameters in the motor control unit can be set through the interaction unit; the standby protection control module can send the related alarm information to the human-computer interaction unit for display.
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| CN102167260B (en) * | 2010-11-30 | 2013-04-03 | 大连华锐重工集团股份有限公司 | Fault redundancy protection system and method for variable frequency speed regulation of ladle crane |
| HUE028060T2 (en) * | 2011-06-16 | 2016-12-28 | Ebm Papst Mulfingen Gmbh & Co Kg | Fast and redundant overtemperature protection with safe-off for EC motor |
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