CN113296456A - Electric automation equipment fault detection system - Google Patents
Electric automation equipment fault detection system Download PDFInfo
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- CN113296456A CN113296456A CN202110564213.7A CN202110564213A CN113296456A CN 113296456 A CN113296456 A CN 113296456A CN 202110564213 A CN202110564213 A CN 202110564213A CN 113296456 A CN113296456 A CN 113296456A
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
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Abstract
The invention discloses an electric automation equipment fault detection system and the technical field of automatic equipment fault detection, and the system comprises an equipment parameter storage module, an electric automation equipment operation database in a fault-free state, a fault self-detection module, a fault early warning module, an operation control signal interception and feedback unit, a fault feedback timing unit, an emergency shutdown unit and a main control system; by arranging the operation control signal interception and feedback unit, the fault feedback timing unit and the emergency shutdown unit, the control instruction sent by the main control system can be intercepted by the operation control signal interception and feedback unit, the phenomenon that the electric automation equipment is damaged due to the fact that the operation instruction is continuously executed in the fault stage is avoided, the fault reaction timeliness of the whole system can be improved by the fault feedback timing unit, the reaction control can be timely carried out under the condition that the main control system does not feed back after the emergency shutdown unit is matched, and the operation safety and the stability of the whole system are high.
Description
Technical Field
The invention relates to the technical field of automatic equipment fault detection, in particular to an electric automatic equipment fault detection system.
Background
The motor automation equipment is generally used in a complex environment, the using environment is often severe, and dust is generally more, so that equipment faults of the electric automation equipment are very easy to occur, some faults are not easy to find after occurring, and the faults can be only found when a certain function is used, further error signals and error actions can be generated on the electric automation equipment, so that products to be produced can be damaged, personal equipment safety accidents can be seriously or even possibly occur, and the phenomena of accidents and product damage can be avoided by finding the abnormality of the electric automation equipment in advance;
the existing fault detection system of the electric automation equipment has the problem of slow response aging, when a fault occurs well, the main control unit cannot perform control operation in time, the control operation is usually performed only through the main control unit, and the fault condition cannot be controlled in time when the main control unit delays the response, so that the stability and the efficiency of the detection system are low; therefore, the invention provides a fault detection system of an electric automation device, which aims to overcome the defects in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a fault detection system for an electrical automation device, in which an operation control signal interception and feedback unit, a fault feedback timing unit, and an emergency shutdown unit are provided, so that a control instruction sent by a main control system can be intercepted by the operation control signal interception and feedback unit, thereby preventing the electrical automation device from being damaged due to the fact that the operation instruction is continuously executed in a fault stage, and improving the fault response time of the whole system by the fault feedback timing unit.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme:
an electric automation equipment fault detection system comprises an equipment parameter storage module, an electric automation equipment operation database in a fault-free state, a fault self-detection module, a fault early warning module, an operation control signal interception and feedback unit, a fault feedback timing unit, an emergency shutdown unit and a main control system;
the equipment parameter storage module is used for inputting the operation standard parameters of each component in the electric automation equipment and performing classified storage;
the electric automation equipment operation database in the fault-free state is used for acquiring and storing operation actual parameters of each component of the electric automation equipment in the fault-free state, and comparing the operation actual parameters with operation standard parameters to obtain a standard difference value;
the fault self-checking module is used for detecting the operation process parameters of each component of the electric automation equipment in real time according to a preset self-checking period, and comparing the acquired operation process parameters with the operation standard parameters in the self-checking period to obtain an operation difference value;
the fault early warning module is used for comparing the standard difference value with the operation difference value to obtain a fault parameter value, judging whether the fault parameter value meets an early warning standard or not according to the fault parameter value to obtain an early warning judgment result, and then controlling early warning action according to the early warning judgment result;
the operation control signal interception and feedback unit is used for intercepting the operation control signal of the electric automation equipment according to the early warning judgment result of the fault early warning module, and feeding back the operation behavior content to the master control system to prompt the master control system to stop sending the operation control instruction of the electric automation equipment;
the fault feedback timing unit is used for timing fault time length, and when the timing time length exceeds a preset value and the main control system does not send a control instruction corresponding to a fault, the fault feedback timing unit directly drives the emergency shutdown unit to control the electric automation equipment to execute a shutdown instruction.
The further improvement lies in that: the fault self-detection module also comprises a power supply self-detection unit, the power supply self-detection unit is used for detecting the voltage value of the power supply in real time according to a preset self-detection period, comparing the detected voltage value of the power supply with a rated voltage value, and feeding the comparison result as a voltage self-detection result back to the fault early warning module;
the further improvement lies in that: still include power supply self-checking unit in the trouble self-checking module, power supply self-checking unit is used for detecting the required atmospheric pressure source of electrical automation equipment operation process and hydraulic source pressure level to compare with standard atmospheric pressure source and hydraulic source pressure level value, the contrast result is fed back to trouble early warning module as power supply self-checking result.
The further improvement lies in that: the fault self-checking module is characterized by further comprising an equipment environment monitoring unit, wherein the equipment environment monitoring unit is used for monitoring environmental parameters in the running environment of the electric automation equipment in real time and feeding the environmental parameters back to the fault early warning module.
The further improvement lies in that: the fault self-checking module is characterized in that a sensor online monitoring unit is further included, the sensor online monitoring unit is composed of a plurality of miniature monitoring cameras arranged at the positions corresponding to the sensors, and the miniature monitoring cameras are used for monitoring sensor position parameters of the corresponding positions and feeding back the occurring sensor displacement conditions to the fault early warning module.
The further improvement lies in that: when the equipment environment monitoring unit monitors the environmental parameters in the operating environment of the electric automation equipment in real time, the environmental parameters comprise environmental temperature, environmental humidity and environmental air quality parameters.
The further improvement lies in that: the process that the fault early warning module controls the early warning action according to the early warning judgment result is as follows: when the fault parameter value reaches the early warning standard, the fault early warning module starts an early warning mode and synchronously sends an early warning signal to an operation control signal interception and feedback unit; and when the fault parameter value does not reach the early warning standard, the fault early warning module does not start the early warning mode, and the fault self-checking module continues to perform periodic self-checking operation according to a preset self-checking period.
The further improvement lies in that: the fault early warning module starts an early warning mode, synchronously sends early warning signals to the operation control signal interception and feedback unit, and simultaneously sends fault contents contained in the early warning signals to the main control system for storage.
The further improvement lies in that: and when the fault feedback timing unit performs fault duration timing, the timing starting point and the operation control signal interception and the feedback unit perform the interception operation of the operation control signal of the electric automation equipment synchronously.
The further improvement lies in that: the emergency shutdown unit is controlled by the main control system and serves as a sub-control system of the main control system, and when the emergency shutdown unit is driven to directly send out a command for controlling the electric automation equipment to execute shutdown, the operation behavior content is synchronously sent to the main control system, so that the main control system is prevented from repeatedly sending the same control command.
The invention has the beneficial effects that: the system can effectively detect the faults of the electric automation equipment from multiple aspects, improves the operation safety of the electric automation equipment, can utilize the operation control signal interception and feedback unit to intercept the control instruction sent by the main control system by arranging the operation control signal interception and feedback unit, the fault feedback timing unit and the emergency shutdown unit, avoids the equipment damage phenomenon caused by the fact that the electric automation equipment continues to execute the operation instruction in the fault stage, can improve the fault reaction timeliness of the whole system by utilizing the fault feedback timing unit, can timely perform reaction control under the condition that the main control system does not feed back after being matched with the emergency shutdown unit, avoids the problem that each link of the system is disconnected due to the fact that the main control system does not feed back, and is high in operation safety and stability.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1, the present embodiment provides an electrical automation device fault detection system, which includes a device parameter storage module, an electrical automation device operation database in a fault-free state, a fault self-checking module, a fault early warning module, an operation control signal interception and feedback unit, a fault feedback timing unit, an emergency shutdown unit, and a main control system;
the equipment parameter storage module is used for inputting the operation standard parameters of each component in the electric automation equipment and performing classified storage;
the electric automation equipment operation database in the fault-free state is used for acquiring and storing operation actual parameters of each component of the electric automation equipment in the fault-free state, and comparing the operation actual parameters with operation standard parameters to obtain a standard difference value;
the fault self-checking module is used for detecting the operation process parameters of each component of the electric automation equipment in real time according to a preset self-checking period, and comparing the acquired operation process parameters with the operation standard parameters in the self-checking period to obtain an operation difference value;
the fault early warning module is used for comparing the standard difference value with the operation difference value to obtain a fault parameter value, judging whether the fault parameter value reaches an early warning standard or not according to the fault parameter value, and when the fault parameter value is judged, counting a voltage self-checking result, a power source self-checking result, a sensor displacement condition and environmental temperature, environmental humidity and environmental air quality parameters which are included by environmental parameters into judgment as variables to obtain an early warning judgment result, and then controlling early warning action according to the early warning judgment result;
the operation control signal interception and feedback unit is used for intercepting the operation control signal of the electric automation equipment according to the early warning judgment result of the fault early warning module, and feeding back the operation behavior content to the master control system to prompt the master control system to stop sending the operation control instruction of the electric automation equipment;
the fault feedback timing unit is used for timing fault time length, and when the timing time length exceeds a preset value and the main control system does not send a control instruction corresponding to a fault, the fault feedback timing unit directly drives the emergency shutdown unit to control the electric automation equipment to execute a shutdown instruction.
The fault self-detection module also comprises a power supply self-detection unit, the power supply self-detection unit is used for detecting the voltage value of the power supply in real time according to a preset self-detection period, comparing the detected voltage value of the power supply with a rated voltage value, and feeding the comparison result as a voltage self-detection result back to the fault early warning module;
still include power supply self-checking unit in the trouble self-checking module, power supply self-checking unit is used for detecting the required atmospheric pressure source of electrical automation equipment operation process and hydraulic source pressure level to compare with standard atmospheric pressure source and hydraulic source pressure level value, the contrast result is fed back to trouble early warning module as power supply self-checking result.
The fault self-checking module is characterized by further comprising an equipment environment monitoring unit, wherein the equipment environment monitoring unit is used for monitoring environmental parameters in the running environment of the electric automation equipment in real time and feeding the environmental parameters back to the fault early warning module.
The fault self-checking module is characterized in that a sensor online monitoring unit is further included, the sensor online monitoring unit is composed of a plurality of miniature monitoring cameras arranged at the positions corresponding to the sensors, and the miniature monitoring cameras are used for monitoring sensor position parameters of the corresponding positions and feeding back the occurring sensor displacement conditions to the fault early warning module.
When the equipment environment monitoring unit monitors the environmental parameters in the operating environment of the electric automation equipment in real time, the environmental parameters comprise environmental temperature, environmental humidity and environmental air quality parameters.
The process that the fault early warning module controls the early warning action according to the early warning judgment result is as follows: when the fault parameter value reaches the early warning standard, the fault early warning module starts an early warning mode and synchronously sends an early warning signal to an operation control signal interception and feedback unit; and when the fault parameter value does not reach the early warning standard, the fault early warning module does not start the early warning mode, and the fault self-checking module continues to perform periodic self-checking operation according to a preset self-checking period.
The fault early warning module starts an early warning mode, synchronously sends early warning signals to the operation control signal interception and feedback unit, and simultaneously sends fault contents contained in the early warning signals to the main control system for storage.
And when the fault feedback timing unit performs fault duration timing, the timing starting point and the operation control signal interception and the feedback unit perform the interception operation of the operation control signal of the electric automation equipment synchronously.
The emergency shutdown unit is controlled by the main control system and serves as a sub-control system of the main control system, and when the emergency shutdown unit is driven to directly send out a command for controlling the electric automation equipment to execute shutdown, the operation behavior content is synchronously sent to the main control system, so that the main control system is prevented from repeatedly sending the same control command.
The system can effectively detect the faults of the electric automation equipment from multiple aspects, improves the operation safety of the electric automation equipment, can utilize the operation control signal interception and feedback unit to intercept the control instruction sent by the main control system by arranging the operation control signal interception and feedback unit, the fault feedback timing unit and the emergency shutdown unit, avoids the equipment damage phenomenon caused by the fact that the electric automation equipment continues to execute the operation instruction in the fault stage, can improve the fault reaction timeliness of the whole system by utilizing the fault feedback timing unit, can timely perform reaction control under the condition that the main control system does not feed back after being matched with the emergency shutdown unit, avoids the problem that each link of the system is disconnected due to the fact that the main control system does not feed back, and is high in operation safety and stability.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an electric automation equipment fault detection system which characterized in that: the system comprises an equipment parameter storage module, an electric automation equipment operation database in a fault-free state, a fault self-checking module, a fault early warning module, an operation control signal interception and feedback unit, a fault feedback timing unit, an emergency shutdown unit and a main control system;
the equipment parameter storage module is used for inputting the operation standard parameters of each component in the electric automation equipment and performing classified storage;
the electric automation equipment operation database in the fault-free state is used for acquiring and storing operation actual parameters of each component of the electric automation equipment in the fault-free state, and comparing the operation actual parameters with operation standard parameters to obtain a standard difference value;
the fault self-checking module is used for detecting the operation process parameters of each component of the electric automation equipment in real time according to a preset self-checking period, and comparing the acquired operation process parameters with the operation standard parameters in the self-checking period to obtain an operation difference value;
the fault early warning module is used for comparing the standard difference value with the operation difference value to obtain a fault parameter value, judging whether the fault parameter value meets an early warning standard or not according to the fault parameter value to obtain an early warning judgment result, and then controlling early warning action according to the early warning judgment result;
the operation control signal interception and feedback unit is used for intercepting the operation control signal of the electric automation equipment according to the early warning judgment result of the fault early warning module, and feeding back the operation behavior content to the master control system to prompt the master control system to stop sending the operation control instruction of the electric automation equipment;
the fault feedback timing unit is used for timing fault time length, and when the timing time length exceeds a preset value and the main control system does not send a control instruction corresponding to a fault, the fault feedback timing unit directly drives the emergency shutdown unit to control the electric automation equipment to execute a shutdown instruction.
2. An electrical automation device fault detection system as in claim 1 wherein: the fault self-checking module is characterized by further comprising a power supply self-checking unit, the power supply self-checking unit is used for detecting a power supply voltage value in real time according to a preset self-checking period, comparing the detected power supply voltage value with a rated voltage value, and feeding a comparison result serving as a voltage self-checking result back to the fault early warning module.
3. An electrical automation device fault detection system as claimed in claim 2 wherein: still include power supply self-checking unit in the trouble self-checking module, power supply self-checking unit is used for detecting the required atmospheric pressure source of electrical automation equipment operation process and hydraulic source pressure level to compare with standard atmospheric pressure source and hydraulic source pressure level value, the contrast result is fed back to trouble early warning module as power supply self-checking result.
4. An electrical automation device fault detection system as claimed in claim 3 wherein: the fault self-checking module is characterized by further comprising an equipment environment monitoring unit, wherein the equipment environment monitoring unit is used for monitoring environmental parameters in the running environment of the electric automation equipment in real time and feeding the environmental parameters back to the fault early warning module.
5. An electrical automation device fault detection system as claimed in claim 4 wherein: the fault self-checking module is characterized in that a sensor online monitoring unit is further included, the sensor online monitoring unit is composed of a plurality of miniature monitoring cameras arranged at the positions corresponding to the sensors, and the miniature monitoring cameras are used for monitoring sensor position parameters of the corresponding positions and feeding back the occurring sensor displacement conditions to the fault early warning module.
6. An electrical automation device fault detection system as claimed in claim 5 wherein: when the equipment environment monitoring unit monitors the environmental parameters in the operating environment of the electric automation equipment in real time, the environmental parameters comprise environmental temperature, environmental humidity and environmental air quality parameters.
7. An electrical automation device fault detection system as in claim 6 wherein: the process that the fault early warning module controls the early warning action according to the early warning judgment result is as follows: when the fault parameter value reaches the early warning standard, the fault early warning module starts an early warning mode and synchronously sends an early warning signal to an operation control signal interception and feedback unit; and when the fault parameter value does not reach the early warning standard, the fault early warning module does not start the early warning mode, and the fault self-checking module continues to perform periodic self-checking operation according to a preset self-checking period.
8. An electrical automation device fault detection system as in claim 7 wherein: the fault early warning module starts an early warning mode, synchronously sends early warning signals to the operation control signal interception and feedback unit, and simultaneously sends fault contents contained in the early warning signals to the main control system for storage.
9. An electrical automation device fault detection system as in claim 1 wherein: and when the fault feedback timing unit performs fault duration timing, the timing starting point and the operation control signal interception and the feedback unit perform the interception operation of the operation control signal of the electric automation equipment synchronously.
10. An electrical automation device fault detection system as in claim 1 wherein: the emergency shutdown unit is controlled by the main control system and serves as a sub-control system of the main control system, and when the emergency shutdown unit is driven to directly send out a command for controlling the electric automation equipment to execute shutdown, the operation behavior content is synchronously sent to the main control system, so that the main control system is prevented from repeatedly sending the same control command.
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| CN115864658A (en) * | 2023-02-27 | 2023-03-28 | 山东泰顺电气有限责任公司 | Electric power telemechanical intelligent monitoring system based on data analysis |
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