Remote control drive marine engine

 

The invention relates to shipbuilding, in particular to remote actuators and control systems for marine engines, mainly marine gas turbine engines. Remote control drive marine engine contains the main control channel, consisting of the logical unit connected with unit speed limit testing with the Executive mechanism kinematically connected with the sensor feedback and the setpoint mode of operation. Backup control channel consists of a push button contactors connected on one side to the standby power source, and on the other to the actuator. Channel drive protection from breakage circuits of the generator and sensor feedback contains serially connected logic element, and a storage unit. Channel emergency stop engine provides the actuator with a manual spring-loaded governing body, interacting with limit switches. Possible to increase the reliability of the remote control drive marine engine. 1 Il.

The invention relates to shipbuilding, in particular, to remote actuators and control systems sudovymy) - remote control drive marine engine, containing the main control channel, consisting of the logical unit connected with unit speed limit testing with the Executive mechanism kinematically connected with sensor feedback, and the generator operation mode of the engine, at least one backup control channel, consisting of push button contactors connected on one side to the standby power source, and on the other through the second block rate-limiting testing to the actuator, and connected using a logical unit OR storage unit with locking elements, And included between the logical block and the second block rate-limiting failover and switch the main and backup control channels and the actuator is fitted with an additional memory block, the adder comparison, push-button contactor rapid decrease in the engine speed, the channel emergency reduction of the engine speed and six additional logic elements OR the first and second of which are included between the locking logic elements And blocks the speed limit testing, one third of the surrounding block, respectively, fifth - between the second block speed limit testing, additional storage unit and the actuator, the sixth - between adder comparison, push-button contactor control channels and an additional memory unit, and the emergency channel reduce the frequency of rotation of the engine includes a push-button contactor connected on one side to the standby power source, and on the other by using an additional memory block, the third and fourth additional logic elements OR locking of the logical elements, And through the fifth additional logical element OR to the actuator blocks after the speed limit testing, moreover, the reset input of additional storage unit connected through the sixth additional element OR a direct input to the switch control channels, and inverse to the output of the adder signal comparison unit and sensor feedback the primary control channel.

A disadvantage of the known device is its low reliability in managing marine engine, in particular marine gas turbine engine, in conditions of high-speed low-tonnage vessel due on the th of the engine when the fire in the engine compartment and blowing of cable management system and engine protection.

The purpose of the invention is to enhance reliability of the remote control drive marine engine.

The remote actuator is further provided with a channel protection from breakage circuits of the generator and sensor feedback and channel emergency stop of the engine, and the protection channel contains serially connected logic element And a storage unit, and to the inputs of the element And connected in parallel to the outputs of the generator and sensor feedback, the output element And is connected to the direct inputs of the locking elements And the main control channel, the output of the storage unit is connected to the alarm and channel emergency stop contains actuator actuator connected input to an offline source power supply, the output is connected directly to the part of the actuator, working on reducing the fuel supply to the engine, and is equipped with a manual spring-loaded governing body, interacting with limit switch input connected to the standby power source and the output to the input of the write memory block channel emergency stop, the output of which is connected to the inverted input of the locking element And okirovanii logic element, And included in the backup control channel between the output of the push-button slider to increase the rotation speed and the input element OR the control channel by increasing the rotational speed between the output of the locking element And the block rate-limiting failover mechanism, the reset inputs of storage blocks of the protection channel and channel emergency stop is connected to the backup power source using a discrete body of the undo command.

The drawing shows a functional diagram of the remote control drive marine engine.

The engine 1 is kinematically connected with the actuating mechanism 2 having two parts: part 2.1 working to increase the engine speed (increase the fuel supply to the engine), and section 2.2, respectively to reduce the engine speed.

Unit 3 operating modes of the engine 1 and the sensor 4 feedback tracking control channel connected to the inputs of a logical block 5.

Sensor 4 feedback kinematically connected with the output of the actuator 2. The outputs of logic block 5 by means of the locking logic elements And 6 and 7 and the intermediate logic elements OR 8 and 9 are connected to the blocks 10 and 11 limitations Sims engine 1 is connected to the backup power supply 14 by means of the switch 15 and by means of logic elements, OR 8 and 9 - the blocks 10 and 11 speed limits failover mechanism 2.

In addition, the parallel contactors 12 and 13 connected by logical element OR to a storage unit 17, the output of which by means of logic elements OR 18 and 19 are connected to the inverted inputs of logic elements And 6 and 7.

The reset input of the block 17 is connected to the switch 15. Push button contactor 20 of the rapid decrease in speed (fuel) of the engine 1 is connected to a backup power source, and an optional storage unit 21 through the logical elements OR 18 and 19 to the inverted inputs of logic elements And 6 and 7 and through a logical-OR 22 - part 2.2 (working on reducing the fuel supply to the engine) of the actuator 2 in block 11 speed limits failover mechanism.

The reset input of the block 21 is connected through the direct input of logic element OR 23 channel reserve Board, and through the inverted input of logic element OR 23 with the output of the adder 24, the inputs of which are connected with the output of the generator 3 and the sensor 4 feedback.

Blocks 10 and 11 speed limits are, for example, a generator of electric pulses with variable duty cycle signal, reducing frequent rivada from the edge of the circuit unit 3 and the feedback sensor 4 includes serially connected logic element And 25, and a storage unit 26.

The direct inputs And 25 are connected to the outputs of the generator 3 and the sensor 4 feedback. Output And 25 (indicated by 25.1) is supplied to the direct inputs of the locking elements And 18 and 19 of the main channel servo control.

The output signal from the storage unit 26 is connected to the alarm 27.

Channel emergency stop of the engine 1 contains the actuator 28 with a manual spring-loaded body 28.1 management, interacting with limit switches 28.2. The actuator 28 is connected the input to an offline source 29 power supply, and the output of the actuator 28 is connected directly to the actuator 2, part 2.2, running on reducing the fuel supply to the engine.

Limit switch 28.2 input connected to the standby power source, and the output is the input record storage unit 30 channel emergency stop. The output of the storage unit 30 is connected to an inverted input of a logical locking element And 6 of the main servo control channel (to increase the engine speed) and to an inverted input of an additional locking logic element And 31.

The logical element 31 is connected to the second direct input to output push-button contactor 13, through which from the push-button zamechatelnogo element 31 is connected to the input element OR 8 in the main channel of the control for increasing the engine speed.

Input reset memory blocks 26 in the protection channel and 30 in the channel emergency stop is connected by means of discrete body 32 cancel command to the standby power source.

The drive works as follows.

When driving the motor 1 using the primary channel control signal from the unit 3 operating modes of the engine and sensor 4 feedback received at the input of logic unit 5. When there is a mismatch between these signals exceeds the deadband servo channel output logical block 5 will appear in the signal received at the inputs of logic elements And 6 and 7.

In the absence of the inverted inputs of logic elements And 6 and 7 signal output from the storage unit 17, the output of the storage unit 30 of the channel emergency stop of the engine in the presence of direct inputs from the item And 25 of the protection channel, the output element OR 8 or 9 signal respectively through the blocks 10 or 11 speed limit testing actuator is supplied to the actuator 2, acting on the regulatory authority of the mode of operation of the engine 1 and the sensor 4 feedback, while the signals of the generator 3 and the sensor 4 at the inputs of the block 5 is not equal. In addition the output of logic element OR 23, a signal will appear, which causes the storage unit 21 in the initial state, the output of logic elements OR 18 and 19 no signal and logical elements 6 and 7 are included.

When the failure of tracking control channel, such as breakage of the circuit unit 3 or the sensor 4 feedback, job tracking channel you want to immediately block to ensure the conservatism of the drive. This is because in open circuit unit 3, the drive begins spontaneously to work on reducing the fuel supply to the engine, and in open circuit sensor 4 feedback is to increase the fuel supply to the engine.

For this purpose, the actuator includes a channel protection, which includes the logical element And 25, and a storage unit 26.

With the disappearance input And 25 of one of the signals (from unit 3 or the sensor 4) output And 25 lost signal 25.1 received previously to the inputs of the locking elements And 6 and 7 the witness on the control channel, and an inverse input record storage unit 26.

Elements 6 and 7 block tracking channel, and the output storage unit 26 turns on the alarm 27 fault tracking control channel.

In this case, the operator controls the engine 1 using knopok the switch 15 from 15.1 to position 15.2 storage unit 17 is shown in its initial position, the signal at the output is missing. Clicking on the trailer 12 or 13 signal with its output fed to a corresponding logical element OR 8 or 9 and then through the block 10 or 11 speed limit testing to the actuator 2. Change the mode of operation of the engine 1 is carried out up until pressed the trailer 12 or 13, the signal from the servo channel is not received, because the output storage unit 17, a signal occurs, the blocking logic elements And 6 and 7. The translation of the locking block 17 to its original position and unlock the witness of the channel (when his health) is carried out by applying a signal to the input unit 17 of the switch 15.

When restoring health tracking channel (recovery circuit unit 3 and the sensor 4 feedback signal from the output of the storage unit is removed by pressing a discrete body 32 of cancellation, if that will unlock items And 6 and 7.

By pressing the push trailer 20 signal through the block 21 and the logical elements OR 18 and 19 blocks tracking channel, and through the logical element OR 22 is fed to a rapid decrease of the mode of operation of the engine 1 with a speed that does not depend on installed for normal operation of the engine 1 Y of rotation of the engine 1 will be carried out to an extreme position, while additional storage unit 21 to give an alarm on the part 2.2 (lower) actuator 2.

Additional storage unit 21 comes in its original state when the synchronization unit 3 sensor 4 feedback after testing the actuator 2 through the signal contact 20 or by switching control with servo channel on the standby switch 15 in the position 15.2.

If necessary, an emergency stop of the engine, such as a fire in the engine compartment or when you do not operate the electric control channels, stop the engine 1 is performed by using channel emergency stop by pressing a spring-loaded manual body 28.1 actuator 28 that supplies this power, such as hydraulic power from the backup power source 29 of the power supply directly in part 2.2 of the actuator 2, the mounting mechanism at the position of the zero fuel regardless of the effects of the other control channels.

When the pressing body 28.1 closed limit switch 28.2 and the signal from the secondary source 14 and the power supply is fed to the input record storage unit 30. The output of block 30 is supplied to an inverse input And 6, the blocks of the backup control channel to increase speed.

Reset the storage unit 30 is a discrete body 32 reset command.

Thus, the application of the proposed actuator will increase the reliability management of marine engine, including in the event of a vessel emergency situations.

Claims

Remote control drive marine engine, containing the main control channel, consisting of the logical unit connected with unit speed limit testing with the Executive mechanism kinematically connected with sensor feedback, and the generator operation mode of the engine, at least one backup control channel, consisting of push button contactors connected on one side to the standby power source, and the other through the second block rate-limiting testing to the Executive mechanism, linked with a logical unit OR storage unit with locking elements, And included between the logical block and the second block speed limit testing, and switch the main and backup control channels and the actuator is fitted with an additional memory block, the adder comparison, push-button contactor fast is using additional logic elements OR the first and second of which are included between the locking logic elements And blocks the speed limit testing, third, and fourth between the locking logic elements And storage unit, respectively, the fifth between the second block speed limit testing, additional storage unit and the actuator, the sixth - between adder comparison, push-button contactor control channels and an additional memory unit, and the emergency channel reduce the frequency of rotation of the engine includes a push-button contactor connected on one side to the standby power source, and on the other by using an additional memory block, the third and fourth additional logic elements OR locking of the logical elements, And through the fifth additional logical element OR to the actuator blocks after the speed limit testing, and the reset input of additional storage unit connected through the sixth additional element OR a direct input to the switch control channels, and inverse to the output of the adder signal comparison unit and a feedback sensor OS is tcheka feedback and channel emergency stop of the engine, when the protection channel contains serially connected logic element And a storage unit, and to the inputs of the element And connected in parallel to the outputs of the generator and sensor feedback, the output element And is connected to the direct inputs of the locking elements And the main control channel, the output of the storage unit is connected to the alarm and channel emergency stop contains actuator actuator connected input to an offline source power supply, the output is connected directly to the part of the actuator working to reduce the fuel supply to the engine, and is equipped with a manual spring-loaded governing body, interacting with limit switches, connected the entrance to the reserve power source and the output to the input of the write memory block channel emergency stop, the output of which is connected to the inverted input of the locking element And in the main channel management increase the engine speed and to an inverted input of an additional locking logic element And included in the backup control channel between the output of the push-button slider to increase the speed and the And unit speed limits failover mechanism, when this input reset memory block protection channel and channel emergency stop is connected to the backup power source using a discrete body of the undo command.

 

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