CN109889105B - Motor monitoring system and method - Google Patents
Motor monitoring system and method Download PDFInfo
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- CN109889105B CN109889105B CN201910011554.4A CN201910011554A CN109889105B CN 109889105 B CN109889105 B CN 109889105B CN 201910011554 A CN201910011554 A CN 201910011554A CN 109889105 B CN109889105 B CN 109889105B
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Abstract
The invention discloses a motor monitoring system and a motor monitoring method, and belongs to the technical field of motors. The motor monitoring system comprises at least two on-site monitoring devices (1), at least two motor mechanisms (2) and a main control device (3), wherein each on-site monitoring device (1) is connected with the main control device (3) respectively, and the main control device (3) is connected with each motor mechanism (2). The system can coordinate and cooperate the in-situ monitoring device (1) and the motor mechanism (2) through the main control device (3) so as to realize linkage control of a plurality of motors.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a motor monitoring system and a motor monitoring method.
Background
Most thermal power plants use coal, and burning coal produces a large amount of dust. In order to facilitate centralized treatment of discharged dust, dry powdered coal ash discharged from a thermal power plant can be stored by arranging an ash storehouse system in the thermal power plant. In a thermal power plant, it is often necessary to provide multiple ash storage systems to accommodate the storage of dry fly ash.
In the related art, since each ash silo system needs to perform gasification, ash discharge and other operations, each ash silo is provided with an on-site operation device. An on-site operation device is correspondingly provided with a motor, namely a motor is correspondingly arranged in an ash storehouse system, so that the operation is convenient for personnel.
However, when the motor corresponding to any one of the in-situ operation devices fails and cannot be used, the in-situ operation device fails, so that the corresponding ash storage system cannot be normally used, and the use efficiency is seriously affected.
Disclosure of Invention
In view of this, the present invention provides a motor monitoring system and method to realize the linkage control of multiple motors.
Specifically, the method comprises the following technical scheme:
in one aspect, a motor monitoring system is provided, the system comprising: at least two in-situ monitoring devices, at least two motor mechanisms and a master control device, wherein,
each on-site monitoring device is respectively connected with the main control device, and the main control device is connected with each motor mechanism.
In one possible design, each of the in-situ monitoring devices includes a first processor, a first human-machine interaction module, a first input/output module, and a first communication module, wherein,
the first human-computer interaction module, the first input/output module and the first communication module are respectively connected with the first processor.
In one possible design, each of the on-site monitoring devices further includes a first cabinet;
the first input/output module is arranged on one cabinet surface of the first cabinet body;
the first input/output module includes a first status indicator light, a first fault indicator light, a first start-stop button, and a first emergency-stop button for the plurality of motors.
In one possible design, the first human-computer interaction module is arranged on one cabinet face of the first cabinet body;
the first human-computer interaction module comprises a first display screen and a first operation key.
In one possible design, the main control device includes a second processor, a second human-computer interaction module, a second input/output module, and a second communication module, wherein,
the second human-computer interaction module, the second input/output module and the second communication module are respectively connected with the second processor;
the second communication module is connected with each first communication module;
the second input/output module is connected to each of the motor mechanisms.
In one possible design, the master control device further includes a second cabinet;
the second input/output module is arranged on one cabinet surface of the second cabinet body;
the second input/output module comprises a second status indicator light, a second fault indicator light, a second start-stop button and a second emergency-stop button of the plurality of motors.
In one possible design, the second human-computer interaction module is arranged on one cabinet surface of the second cabinet body;
the second man-machine interaction module comprises a second display screen and a second operation key.
In one possible design, each of the motor mechanisms includes a motor and a motor power distribution assembly, wherein,
the motor power distribution assembly is connected to the motor.
In another aspect, a motor monitoring method is provided, which is applied to a master control device, and the method includes:
(1) when any one of the in-situ monitoring devices requires the motor mechanism to be activated:
acquiring a starting instruction sent by a local monitoring device;
judging whether the motor mechanism which is started currently can meet the use requirement;
if the motor mechanism which is started currently cannot meet the use requirement, starting a first cis-position standby motor mechanism and communicating the first cis-position standby motor mechanism with the on-site monitoring device;
if the motor mechanism which is started currently can meet the use requirement, the motor mechanism which is started currently is communicated with the on-site monitoring device;
(2) when any one of the in-situ monitoring devices requires the motor mechanism to be shut down:
acquiring a stop instruction sent by the local monitoring device;
judging whether the started motor mechanism is shut down and other started motor mechanisms can meet the use requirement without processing;
if one started motor mechanism is stopped, and other started motor mechanisms are not processed to meet the use requirement, the motor mechanism communicated with the on-site monitoring device is stopped;
if one started motor mechanism is shut down and the other started motor mechanisms are not processed to meet the use requirement, disconnecting the passage between the motor mechanism communicated with the on-site monitoring device and the on-site monitoring device;
(3) when an emergency occurs requiring the shutdown of all running motor mechanisms:
acquiring an emergency stop instruction sent by any one of the on-site monitoring devices or the on-site monitoring device;
the control deactivates all of the operating motor mechanisms.
Optionally, after the first in-position standby motor mechanism is started and communicated with the on-site monitoring device if the currently started motor mechanism cannot meet the use requirement, the method further comprises:
judging whether the first consequent standby motor mechanism is started successfully or not;
and if the first cis-position standby motor mechanism is not started successfully, sending a fault alarm, starting a second cis-position standby motor mechanism, and communicating the second cis-position standby motor mechanism with the on-site monitoring device.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
1. the on-site monitoring device is connected with the main control device, the main control device is connected with each motor mechanism, and the on-site monitoring device and the motor mechanisms can be coordinated and matched through the main control device so as to realize linkage control of the motors;
2. when any one in-situ monitoring device requires to start the motor mechanism, the main control device acquires a starting instruction sent by the in-situ monitoring device and judges whether the currently started motor mechanism can meet the use requirement or not, if the currently started motor mechanism cannot meet the use requirement, the first cis-position standby motor mechanism is started, and the first cis-position standby motor mechanism is communicated with the in-situ monitoring device; if so, communicating the currently activated motor mechanism with the on-site monitoring device to satisfy the requirement for any one of the on-site monitoring devices to activate the motor mechanism.
3. When any one local monitoring device requires to close the motor mechanism, the main control device acquires a stop instruction sent by the local monitoring device and judges whether to close one started motor mechanism, and other started motor mechanisms can meet the use requirement without processing; if the current state cannot be met, disconnecting the passage between the motor mechanism communicated with the on-site monitoring device and the on-site monitoring device so as to meet the requirement that any one on-site monitoring device requires to close the motor mechanism;
4. when an emergency situation occurs and all the running motor mechanisms are required to be shut down, the main control device obtains an emergency stop instruction sent by the main control device or any one local monitoring device and controls all the running motor mechanisms to be shut down so as to ensure the safety of personnel or equipment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a motor monitoring system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another motor monitoring system provided in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an in-situ monitoring apparatus in a motor monitoring system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first cabinet in an in-situ monitoring device of a motor monitoring system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a master control device in a motor monitoring system according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second cabinet in a main control device of a motor monitoring system according to an embodiment of the present invention;
fig. 7 is an electrical schematic diagram between a motor mechanism and a master control device in a motor monitoring system according to an embodiment of the present invention;
FIG. 8A is a flowchart of a method for monitoring a motor when any one of the in-situ monitoring devices requires actuation of the motor mechanism in accordance with an embodiment of the present invention;
FIG. 8B is a flowchart of a method for monitoring a motor when any one of the in-situ monitoring devices requires a motor mechanism to be turned off in accordance with an embodiment of the present invention;
fig. 8C is a flowchart of a method for monitoring a motor when an emergency situation occurs and requires that all running motor mechanisms be shut down according to an embodiment of the present invention.
The reference numerals in the figures are denoted respectively by:
1-local monitoring device, 11-first processor, 12-first human-computer interaction module, 121-first display screen, 122-first operation key, 13-first input/output module, 131-first status indicator lamp, 132-first fault indicator lamp, 133-first start-stop button, 134-first emergency stop button, 14-first communication module, 15-first cabinet body,
2-motor mechanism, 21-motor, 22-motor distribution assembly, 221-three-phase line, 222-earth line, 223-molded case circuit breaker, 224-contactor main contact, 225-first line, 226-second line, 227-energization control coil, 228-auxiliary contact of intermediate relay, 229-first normally open auxiliary contact, 2210-control coil of intermediate relay, 2211-fuse,
3-a main control device, 31-a second processor, 32-a second human-computer interaction module, 321-a second display screen, 322-a second operating key, 33-a second input/output module, 331-a second state indicator lamp, 332-a second fault indicator lamp, 333-a second start-stop button, 334-a second emergency stop button, 335-a first switch, 336-a second switch, 337-a second normally open auxiliary contact, 338-a normally closed auxiliary contact, 34-a second communication module and 35-a second cabinet body.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the following will describe embodiments of the present invention in further detail with reference to the accompanying drawings.
An embodiment of the present invention provides a motor monitoring system, a schematic structural diagram of which is shown in fig. 1, and the system includes: at least two local monitoring devices 1, at least two electric motor units 2 and a master control device 3.
Wherein each local monitoring device 1 is connected to a master control device 3, and the master control device 3 is connected to each motor means 2.
It will be understood by those skilled in the art that each of the on-site monitoring devices 1 may be connected to the main control device 3 through a fieldbus, a program BUS network (abbreviated as PROFIBUS), an ethernet, etc., and the main control device 3 may be connected to each of the motor mechanisms 2 through a control cable.
The working principle of the motor monitoring system of the embodiment of the invention is as follows:
when any one in-place monitoring device 1 requires to start the motor mechanism 2, the in-place monitoring device 1 is operated by an operator to send a signal for starting the motor mechanism 2, the main control device 3 obtains a starting instruction sent by the in-place monitoring device 1 and judges whether the motor mechanism 2 which is started currently can meet the use requirement, if the motor mechanism cannot meet the use requirement, the first in-place standby motor mechanism 2 is started, and the first in-place standby motor mechanism 2 is communicated with the in-place monitoring device 1; if the requirement can be met, the motor mechanism 2 which is started at present is communicated with the on-site monitoring device 1 so as to meet the requirement that any one on-site monitoring device 1 requires to start the motor mechanism 2;
when any one in-situ monitoring device 1 requires to close the motor mechanism 2, the in-situ monitoring device 1 is operated by an operator to realize the sending of signals for closing the motor mechanism 2, the main control device 3 acquires a stop instruction sent by the in-situ monitoring device 1 and judges whether to close one started motor mechanism 2, other started motor mechanisms 2 can meet the use requirement without processing, and if the use requirement can be met, the motor mechanism 2 communicated with the in-situ monitoring device 1 is closed; if it is not, the passage between the motor means 2 communicating with the on-site monitoring device 1 and the on-site monitoring device 1 is cut off to meet the demand for any one of the on-site monitoring devices 1 to shut down the motor means 2.
In summary, according to the motor monitoring system provided by the embodiment of the present invention, by providing at least two on-site monitoring devices 1, at least two motor mechanisms 2, and the main control device 3, each on-site monitoring device 1 is connected to the main control device 3, the main control device 3 is connected to each motor mechanism 2, and the on-site monitoring devices 1 and the motor mechanisms 2 can be coordinated and matched through the main control device 3, so as to realize linkage control of a plurality of motors, improve the use efficiency of the system, and have a broad application prospect.
Alternatively, the motor monitoring system according to the embodiment of the present invention is exemplified by applying four on-site monitoring devices 1 and three motor mechanisms 2 to an ash storehouse system of a thermal power plant, and a schematic structural diagram thereof is shown in fig. 2.
It will be appreciated that one on-site monitoring device 1 corresponds to one ash silo system and each on-site monitoring device 1 may be located in an on-site monitoring room within the ash silo system.
In one possible implementation, each in-situ monitoring apparatus 1 includes a first processor 11, a first human-machine interaction module 12, a first input/output module 13 and a first communication module 14, as shown in fig. 3.
The first human-computer interaction module 12, the first input/output module 13 and the first communication module 14 are respectively connected to the first processor 11.
The data acquired from the first human-computer interaction module 12 and/or the first input/output module 13 and/or the first communication module 14 are processed through the first processor 11, and processing results are fed back to the modules correspondingly; the first human-computer interaction module 12 realizes human-computer interaction to obtain related control parameters and display system state variables; the first input/output module 13 acquires an input motor start-stop instruction and displays the use state of each motor; the first communication module 14 realizes further transmission of the instruction information sent by the first processor 11 or feeds back the use state information of the motor to the first processor 11.
Further, each on-site monitoring device 1 further comprises a first cabinet 15, as shown in fig. 4.
Wherein, the first input/output module 13 is arranged on one cabinet surface of the first cabinet 15; the first input/output module 13 includes a first status indicator light 131, a first fault notification light 132, a first start stop button 133, and a first emergency stop button 134 for a plurality of motors.
The number of the first status indicator lamps 131 is plural, and the usage status of each motor can be displayed, for example, when the first status indicator lamp 131 displaying the motor a status is displayed in red, it indicates that the motor a is in use; when the first status indicator lamp 131 showing the status of the motor a is displayed as green, it indicates that the motor a is not used; the first failure warning lamp 132 displays a failure warning, and when the on-site monitoring device 1 fails, the first failure warning lamp 132 is turned on to warn an operator to perform maintenance; the first start/stop button 133 is used to send start information requesting start of the motor mechanism 2 to the first processor 11 when pressed by the operator; the first emergency stop button 134 is used to send a shutdown message for emergency shutdown of the motor mechanism 2 connected to the on-site monitoring device 1 to the first processor 11 when pressed by the operator.
The first human-computer interaction module 12 is arranged on one cabinet surface of the first cabinet 15, as shown in fig. 4; the first human-machine interaction module 12 comprises a first display screen 121 and first operating keys 122.
The first display screen 121 may be a touch screen, or may be a common display screen, and is not particularly limited herein; the first manipulation key 122 may be a numeric character button for inputting a numerical value of a parameter, and the input numerical value may be displayed on the first display screen 121.
For ease of operation, the first human machine interaction module 12 may be disposed on the same deck as the first input/output module 13 on the first cabinet 15, as shown in fig. 4.
By providing the first cabinet 15, it plays a role of carrying the first input/output module 13 and the first human-machine interaction module 12. Meanwhile, the first processor 11 and the first communication module 14 may be disposed in the first cabinet 15, so that the first cabinet 15 may implement protection of the first processor 11 and the first communication module 14.
In a possible implementation manner, the main control device 3 includes a second processor 31, a second human-computer interaction module 32, a second input/output module 33, and a second communication module 34, as shown in fig. 5.
The second human-computer interaction module 32, the second input/output module 33 and the second communication module 34 are respectively connected with the second processor 31; the second communication module 34 is connected with each first communication module 14; a second input/output module 33 is associated with each motor means 2.
The second processor 31 is used for processing the data acquired from the second human-computer interaction module 32 and/or the second input/output module 33 and/or the second communication module 34, and feeding back the processing result to each module correspondingly; the second human-computer interaction module 32 realizes human-computer interaction to obtain related control parameters and display system state variables; the second input/output module 33 is connected with the motor mechanism 2 and used for controlling the motor mechanism 2 and feeding back and displaying the use state of each motor; the second communication module 34 implements data exchange between the on-site monitoring device 1 and the main control device 3.
In connection with this, the second input/output module 33 can be connected to the motor mechanism 2 by hard wiring, and the second communication module 34 can be connected by field bus, program bus network or ethernet.
Further, the main control device 3 further includes a second cabinet 35, as shown in fig. 6;
the second input/output module 33 is arranged on one cabinet surface of the second cabinet 35; the second input/output module 33 includes a second status indicator lamp 331, a second fault indicator lamp 332, a second start-stop button 333, and a second emergency-stop button 334 for the plurality of motors.
The number of the second status indicator lights 331 may be plural, and the usage status of each motor is displayed, for example, when the second status indicator light 331 displaying the a motor status is displayed in red, it indicates that the a motor is in use; when the second status indicator lamp 331 showing the status of the a motor is displayed as green, it indicates that the a motor is not used; the second fault prompting lamp 332 displays a fault prompt, and when a fault occurs in the system, the second fault prompting lamp 332 is turned on to prompt an operator to carry out maintenance; the second start/stop button 333 is used to send start approval information that can start the motor mechanism 2 in the system to the second processor 31 when the operator presses it; the first emergency stop button 134 is used to send shutdown information for emergency shutdown of all the motor mechanisms 2 to the second processor 31 when pressed by the operator.
The second human-computer interaction module 32 is arranged on one cabinet surface of the second cabinet body 35; the second human-computer interaction module 32 includes a second display 321 and second operation keys 322.
Similarly to the first display screen 121, the second display screen 321 may be a touch screen or a common display screen, and is not particularly limited herein; the second manipulation keys 322 may be numeric character buttons for inputting numerical values of parameters, and the input numerical values may be displayed on the second display screen 321.
The second cabinet body 35 is arranged to play a role of bearing the second input/output module 33 and the second human-computer interaction module 32; meanwhile, the second processor 31 and the second communication module 34 may be disposed in the second cabinet 35, so that the second cabinet 35 may achieve protection of the second processor 31 and the second communication module 34.
In one possible implementation, each motor mechanism 2 includes a motor 21 and a motor power distribution assembly 22, as shown in fig. 7, wherein the motor power distribution assembly 22 is connected to the motor 21, and the motor power distribution assembly 22 implements start-up or shut-down control of the motor 21.
Fig. 7 is an electrical schematic diagram between the motor mechanism 2 and the master control device 3 in the motor monitoring system according to the embodiment of the present invention. Referring to fig. 7, a power supply is disposed in the motor power distribution assembly 22, the motor 21 is connected to a three-phase line 221 of the power supply, a molded case circuit breaker 223 and a contactor main contact 224 are disposed between the motor 21 and the three-phase line 221, wherein the molded case circuit breaker 223 is in a normally closed state, a connection line leading from the molded case circuit breaker 223 and entering into the main control device 3 is provided, a ground line 222 of the power supply enters into the main control device 3 through a first line 225 and a second line 226, wherein a power-on control coil 227 and an auxiliary contact 228 of an intermediate relay are disposed on the first line 225, a control coil 2210 of the intermediate relay is disposed on the second line 226, a fuse 2211 leading from the molded case circuit breaker 223 and entering into the main control device 3 is disposed on the connection line, wherein the fuse 2211 is used for protecting the circuit, a first normally open auxiliary contact 229 is disposed between the first line 225 and the connection line leading, the first line 225 is connected with the connecting line led out from the molded case circuit breaker 223 to the main control device 3 through a first switch 335, the second line 226 is connected with the connecting line led out from the molded case circuit breaker 223 to the main control device 3 through a second switch 336, and the first switch 335 and the second switch 336 are controlled to be turned on or turned off through a control signal sent by the second processor 31. Meanwhile, a second normally open auxiliary contact 337 for controlling the opening and closing of the second status indicator lamp 331 and a normally closed auxiliary contact 338 for representing a feedback control signal are also shown in the main control device 3 of fig. 7.
When the second processor 31 sends a starting signal of the motor 21 to the second input/output module 33, the first switch 335 is closed, the energization control coil 227 is electrified, so that the first normally-open auxiliary contact 229 is closed, the contactor main contact 224 is closed, and the motor 21 is energized to start working; when the second processor 31 sends a closing signal of the motor 21 to the second input/output module 33, the second switch 336 is closed, the control coil 2210 of the intermediate relay is electrified, so that the auxiliary contact 228 of the intermediate relay is opened, and the electrification control coil 227 is deenergized, so that the main contact 224 of the contactor is deenergized, the motor 21 is deenergized, and the work is stopped; when the motor 21 is in fault or the main contact 224 of the contactor cannot be powered off, the circuit can be broken through the molded case circuit breaker 223, and the protection effect on the motor 21 is achieved.
In summary, according to the motor monitoring system provided by the embodiment of the present invention, by providing at least two on-site monitoring devices 1, at least two motor mechanisms 2, and the main control device 3, each on-site monitoring device 1 is connected to the main control device 3, the main control device 3 is connected to each motor mechanism 2, and the on-site monitoring devices 1 and the motor mechanisms 2 can be coordinated and matched through the main control device 3, so as to realize linkage control of a plurality of motors, improve the use efficiency of the system, and have a broad application prospect.
In the related art, when a motor corresponding to any one of the on-site operation devices 1 fails and cannot be used, the main control device 3 can rapidly acquire information and start the next standby motor, so that the ash warehouse system corresponding to the on-site operation device 1 can still be normally used; in the related art, two motors can be arranged at corresponding positions of each local operation device 1, one motor can be used as a normal day, and the other motor can be used as a standby motor, and although the two motors are directly started to be used when the motor used in the normal day fails, the investment cost is correspondingly increased because each ash storehouse system needs to be provided with the two motors, and the motor monitoring system can realize linkage control of the motors because each motor is not limited to correspond to one ash storehouse system, and further saves the investment because the motors do not need to be arranged too many.
The following are examples of methods of the present invention that may be used in embodiments of the apparatus of the present invention. For details which are not disclosed in the method embodiments of the present invention, reference is made to the apparatus embodiments of the present invention.
An embodiment of the present invention provides a motor monitoring method, a flowchart of which is shown in fig. 8A, 8B and 8C, the method may be applied to a master control device of a motor monitoring system shown in fig. 1 or 2, and the motor monitoring method may include:
(1) when any one of the in-situ monitoring devices requires the activation of the motor mechanism, the flow chart of the method is shown in fig. 8A:
When the on-site monitoring device sends a request for starting the motor mechanism to the main control device through the first communication module, the second communication module of the main control device acquires a starting instruction sent by the on-site monitoring device and transmits the starting instruction to the second processor.
And step 802, judging whether the motor mechanism which is started currently can meet the use requirement.
The second processor in the main control device can receive the starting instruction and simultaneously judge whether the motor mechanism which is started currently can meet the use requirement, namely, judge whether a standby motor mechanism needs to be restarted to meet the requirement of the local monitoring device which needs to be started currently.
And 803, if the currently started motor mechanism cannot meet the use requirement, starting the first in-position standby motor mechanism, and communicating the first in-position standby motor mechanism with the in-situ monitoring device.
The first ride-through standby motor mechanism is a motor mechanism that is not currently activated and is adjacent to a motor mechanism that has already been activated.
Further, whether the first cis-position standby motor mechanism is started successfully or not can be judged;
if the first consequent standby motor mechanism is not started successfully, a fault alarm is sent out, a second consequent standby motor mechanism is started, and the second consequent standby motor mechanism is communicated with the local monitoring device. When the second consequent spare motor mechanism is started successfully, the starting procedure is finished, and the starting is finished; and when the second sequential standby motor mechanism is not started successfully, a fault alarm is sent out, and the starting procedure is ended.
And step 804, if the motor mechanism which is started currently can meet the use requirement, communicating the motor mechanism which is started currently with the on-site monitoring device.
(2) When any of the in-situ monitoring devices requires the motor mechanism to be shut down, the method flow diagram is shown in FIG. 8B:
When the local monitoring device sends a request for closing the motor mechanism to the main control device through the first communication module, the second communication module of the main control device acquires a stop instruction sent by the local monitoring device and transmits the stop instruction to the second processor.
And step 806, judging whether the started motor mechanism is stopped, and whether other started motor mechanisms can meet the use requirement without processing.
The second processor in the main control device can judge whether to stop one started motor mechanism while receiving the stop instruction, and whether the other started motor mechanisms can meet the use requirement without processing.
And 807, if one started motor mechanism is stopped and other started motor mechanisms are not processed to meet the use requirement, stopping the motor mechanism communicated with the on-site monitoring device.
And 808, if one started motor mechanism is shut down and the other started motor mechanisms are not processed to meet the use requirement, disconnecting the motor mechanism communicated with the on-site monitoring device from the on-site monitoring device.
(2) When an emergency occurs requiring the shutdown of all running motor mechanisms, the method flow chart is shown in fig. 8C:
and step 809, acquiring an emergency stop instruction sent by any local monitoring device or the local monitoring device.
When the first emergency stop button on any one of the on-site monitoring devices or the second emergency stop button on the main control device is pressed down, the first communication module of the on-site monitoring device or the second communication module of the main control device acquires the emergency stop instruction and transmits the emergency stop instruction to the second processor.
The second processor in the main control device controls all the running motor mechanisms to be shut down according to the emergency stop instruction, and the emergency protection is realized when the field operator finds out that an emergency which endangers the human body or equipment occurs.
In summary, according to the motor monitoring method provided in the embodiment of the present invention, when any one of the in-situ monitoring devices requires to start the motor mechanism, the main control device obtains the start instruction sent by the in-situ monitoring device, and determines whether the currently started motor mechanism can meet the use requirement, if not, starts the first cis-position standby motor mechanism, and communicates the first cis-position standby motor mechanism with the in-situ monitoring device; if the current requirement can be met, the motor mechanism which is started at present is communicated with the on-site monitoring device so as to meet the requirement that any one on-site monitoring device requires to start the motor mechanism; when any one local monitoring device requires to close the motor mechanism, the main control device acquires a stop instruction sent by the local monitoring device and judges whether to close one started motor mechanism, and other started motor mechanisms can meet the use requirement without processing; if the current state cannot be met, disconnecting the passage between the motor mechanism communicated with the on-site monitoring device and the on-site monitoring device so as to meet the requirement that any one on-site monitoring device requires to close the motor mechanism; when an emergency situation occurs and all the running motor mechanisms are required to be shut down, the main control device obtains an emergency stop instruction sent by the main control device or any one local monitoring device and controls all the running motor mechanisms to be shut down so as to ensure the safety of personnel or equipment.
The term "and/or" in the present invention is only an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the present invention, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
The above description is only for facilitating the understanding of the technical solutions of the present invention by those skilled in the art, and is not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A motor monitoring system, the system comprising: at least two local monitoring devices (1), at least two electric motor mechanisms (2) and a master control device (3), wherein,
each on-site monitoring device (1) is respectively connected with the main control device (3), and the main control device (3) is connected with each motor mechanism (2);
one on-site monitoring device (1) corresponds to one ash warehouse system, and each on-site monitoring device (1) is arranged in an on-site monitoring room of the corresponding ash warehouse system;
the main control device (3) is used for receiving a starting instruction sent by any one of the on-site monitoring devices (1), judging whether the motor mechanism (2) which is started currently can meet the use requirement or not according to the starting instruction, if the motor mechanism (2) which is started currently cannot meet the use requirement, starting the first cis position standby motor mechanism (2), communicating the first cis position standby motor mechanism (2) with the on-site monitoring device (1), and if the motor mechanism (2) which is started currently can meet the use requirement, communicating the motor mechanism (2) which is started currently with the on-site monitoring device (1).
2. Motor monitoring system according to claim 1, characterized in that each of said in-situ monitoring devices (1) comprises a first processor (11), a first human-machine interaction module (12), a first input/output module (13) and a first communication module (14), wherein,
the first human-computer interaction module (12), the first input/output module (13) and the first communication module (14) are respectively connected with the first processor (11).
3. The motor monitoring system according to claim 2, characterized in that each of said in-situ monitoring devices (1) further comprises a first cabinet (15);
the first input/output module (13) is arranged on one cabinet surface of the first cabinet body (15);
the first input/output module (13) includes a first status indicator light (131), a first fault indicator light (132), a first start stop button (133), and a first emergency stop button (134) for a plurality of motors.
4. The motor monitoring system according to claim 3, characterized in that the first human-machine interaction module (12) is arranged on one of the cabinet faces of the first cabinet (15);
the first human-computer interaction module (12) comprises a first display screen (121) and a first operation key (122).
5. Motor monitoring system according to claim 2, characterized in that said master control means (3) comprise a second processor (31), a second human-machine interaction module (32), a second input/output module (33) and a second communication module (34), wherein,
the second human-computer interaction module (32), the second input/output module (33) and the second communication module (34) are respectively connected with the second processor (31);
the second communication module (34) is connected with each first communication module (14);
the second input/output module (33) is connected to each of the motor mechanisms (2).
6. The motor monitoring system according to claim 5, characterized in that the master control device (3) further comprises a second cabinet (35);
the second input/output module (33) is arranged on one cabinet surface of the second cabinet body (35);
the second input/output module (33) includes a second status indicator light (331) of the plurality of motors, a second fault indicator light (332), a second start-stop button (333), and a second emergency-stop button (334).
7. The motor monitoring system according to claim 6, characterized in that the second human-machine interaction module (32) is arranged on one of the cabinet faces of the second cabinet (35);
the second man-machine interaction module (32) comprises a second display screen (321) and second operation keys (322).
8. Motor monitoring system according to claim 1, characterized in that each of said motor means (2) comprises a motor (21) and a motor power distribution assembly (22), wherein,
the motor power distribution assembly (22) is connected to the motor (21).
9. A motor monitoring method is applied to a master control device in a motor monitoring system, and is characterized by comprising the following steps:
(1) when any one of the in-situ monitoring devices in the motor monitoring system requires activation of the motor mechanism in the motor monitoring system:
acquiring a starting instruction sent by the on-site monitoring device;
judging whether the motor mechanism which is started currently can meet the use requirement;
if the motor mechanism which is started currently cannot meet the use requirement, starting a first cis-position standby motor mechanism and communicating the first cis-position standby motor mechanism with the on-site monitoring device;
if the motor mechanism which is started currently can meet the use requirement, the motor mechanism which is started currently is communicated with the on-site monitoring device;
(2) when any one of the in-situ monitoring devices in the motor monitoring system requires the motor mechanism to be shut down:
acquiring a stop instruction sent by the local monitoring device;
judging whether the started motor mechanism is shut down and other started motor mechanisms can meet the use requirement without processing;
if one started motor mechanism is shut down and other started motor mechanisms are not processed to meet the use requirement, shutting down the motor mechanism communicated with the on-site monitoring device;
if one started motor mechanism is shut down and the other started motor mechanisms are not processed to meet the use requirement, disconnecting the passage between the motor mechanism communicated with the on-site monitoring device and the on-site monitoring device;
(3) when an emergency occurs requiring the shutdown of all running motor mechanisms:
acquiring an emergency stop instruction sent by any one of the on-site monitoring devices in the motor monitoring system or the on-site monitoring device;
the control deactivates all of the operating motor mechanisms.
10. The motor monitoring method of claim 9, wherein after activating a first in-position backup motor mechanism and communicating the first in-position backup motor mechanism with the in-situ monitoring device if the currently activated motor mechanism fails to meet the demand for use, the method further comprises:
judging whether the first consequent standby motor mechanism is started successfully or not;
and if the first cis-position standby motor mechanism is not started successfully, sending out a fault alarm, starting a second cis-position standby motor mechanism, and communicating the second cis-position standby motor mechanism with the on-site monitoring device.
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| CN201910011554.4A CN109889105B (en) | 2019-01-07 | 2019-01-07 | Motor monitoring system and method |
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| CN201910011554.4A CN109889105B (en) | 2019-01-07 | 2019-01-07 | Motor monitoring system and method |
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| CN202276135U (en) * | 2011-10-24 | 2012-06-13 | 贵阳永青仪电科技有限公司 | Comprehensive protection controller for wireless intelligent motor |
| CN103955189B (en) * | 2014-04-25 | 2016-06-15 | 宝鸡石油机械有限责任公司 | A kind of multi-pump hydraulic station control system with self-shield and control method |
| CN104806507B (en) * | 2015-05-04 | 2017-11-24 | 中国市政工程西北设计研究院有限公司 | A kind of parallel water pump platform electric-control system of two kinds of high voltage power supplies of 6kV, 10kV |
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