CN113589015A - Intelligent detection system and method for tripping and closing current of pressing plate and terminal - Google Patents

Intelligent detection system and method for tripping and closing current of pressing plate and terminal Download PDF

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Publication number
CN113589015A
CN113589015A CN202010361938.1A CN202010361938A CN113589015A CN 113589015 A CN113589015 A CN 113589015A CN 202010361938 A CN202010361938 A CN 202010361938A CN 113589015 A CN113589015 A CN 113589015A
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China
Prior art keywords
tripping
intelligent
pressing plate
closing
current
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Pending
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CN202010361938.1A
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Chinese (zh)
Inventor
牛硕男
牛雅萱
潘荣贞
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Ai Mu'en Power Technology Shanghai Co ltd
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Ai Mu'en Power Technology Shanghai Co ltd
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Priority to CN202010361938.1A priority Critical patent/CN113589015A/en
Publication of CN113589015A publication Critical patent/CN113589015A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00Arrangements for displaying electric variables or waveforms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00Arrangements for displaying electric variables or waveforms
    • G01R13/02Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
    • G01R13/0209Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form in numerical form

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  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

The application provides a system, a method and a terminal for intelligently detecting tripping and closing currents of a pressing plate, comprising the following steps: one or more intelligent platens, including: the current acquisition module is used for acquiring tripping and closing current waveforms flowing through the main circuits of the intelligent pressing plates; the intelligent pressing plate manager is connected with each intelligent pressing plate through a bus and used for storing, displaying and sending tripping and closing current waveforms and switching-on and switching-off positions of each intelligent pressing plate; and the background monitoring device is in communication connection with the intelligent pressing plate manager and is used for monitoring the tripping and closing current waveforms of the intelligent pressing plates. The method and the device solve the problem of direct detection of tripping and closing currents of automatic devices such as power system relay protection and the like, can accurately reflect the magnitude and time of the tripping and closing currents flowing through the main loop of the pressing plate in real time, avoid the situation that the tripping and closing loop working process cannot be judged quickly and accurately in an accident site, provide direct basis for analysis and study of tripping and closing accidents, and adapt to the development requirements of the intelligent power grid.

Description

Intelligent detection system and method for tripping and closing current of pressing plate and terminal
Technical Field
The application relates to the field of power system equipment, in particular to a system and a method for intelligently detecting tripping and closing currents of a pressing plate and a terminal.
Background
The safe operation of the relay protection system is the most important safety guarantee of the power system, and the safe operation of relevant equipment inside the relay protection system is particularly important. Due to the special requirements of the tripping and closing loops of the relay protection device, the function of switching on the tripping and closing loops to the tripping coil of the circuit breaker is realized by using the closing of relay contacts on the tripping and closing loops of the relay protection device, so as to control the on-off and on-off of the circuit breaker. The monitoring of the active main contacts is achieved in an indirect manner by measuring the position of another pair of synchronously active auxiliary contacts (or re-active relay contacts) of the same relay.
Due to the quality problem of the relay and the long-time working condition of the device, the actual operation shows that sometimes the protection device has already sent down a trip command, but the relay is damaged or adhered and other faults cannot realize the trip function; or the protection device has a trip action but the circuit breaker has not tripped. During accident analysis, the fault condition can be judged only according to the trip report inquired in the protection device or the position of the auxiliary contact recorded by the fault recorder, and the current data flowing through the trip and the switch cannot be really and directly measured, so that the real reason of the accident cannot be found in many accident analyses, the equipment can continuously operate with diseases, and the accident potential can be continuously existed.
Under the existing management system of the electric power system in China, the microcomputer protection device and the circuit breaker are divided according to duties, the microcomputer protection device is managed by a relay protection department, the circuit breaker is managed by a switching equipment department, and the tripping and closing pressing plates are management demarcation points. Once a tripping accident occurs, the responsibility between two departments is easily unclear, the accident reason cannot be found out in time, and the like, so that the potential accident hazard cannot be eliminated, and the safe operation of the power equipment is seriously influenced.
Content of application
In view of the above shortcomings of the prior art, an object of the present application is to provide a system, a method and a terminal for intelligently detecting a tripping and closing current of a pressing plate, which are used to solve the problem of providing an intelligent pressing plate capable of automatically detecting and recording a tripping and closing current waveform flowing through the tripping and closing pressing plate by a non-electrical direct contact method, and the pressing plate sends related waveform data to an upper computer or an integrated background system by an intelligent pressing plate manager, so as to facilitate timely and accurate determination of accident reasons on site.
In order to achieve the above and other related objects, the present application provides an intelligent detecting system for a tripping and closing current of a pressing plate, comprising: one or more intelligent platens, including: the non-electrical contact current acquisition module is used for acquiring tripping and closing current waveforms flowing through the main circuits of the intelligent pressing plates; the intelligent pressing plate manager is connected with each intelligent pressing plate through a bus and used for storing, displaying and sending tripping and closing current waveforms of each intelligent pressing plate; and the background monitoring device is in communication connection with the intelligent pressing plate manager and is used for monitoring the tripping and closing current waveforms of the intelligent pressing plates.
In an embodiment of the present application, the intelligent platen manager includes: and the display module is used for displaying the tripping and closing current waveform.
In an embodiment of the application, the number of the intelligent pressing plates is multiple, and the intelligent pressing plates are connected in a cascading manner.
In an embodiment of the present application, the current collection module includes an ac detection chip and a dc detection chip, and is configured to collect trip ac or dc waveforms flowing through the intelligent press plates in a non-electrical contact manner.
In an embodiment of the present application, the background detection apparatus includes: and (4) an upper computer.
In an embodiment of the application, the upper computer includes one of a PC, a relay protection device, a measurement and control device, a stability and control device, and a fault recording device.
In an embodiment of the application, the background monitoring device and the intelligent pressure plate manager are in communication connection through one of an RS485 network, an ethernet network, a CAN network and a LIN network.
In order to achieve the above and other related objects, the present application provides a method for intelligently detecting a tripping and closing current of a pressing plate, comprising: one or more intelligent pressing plates collect tripping and closing current waveforms flowing through main circuits of the intelligent pressing plates; the intelligent pressing plate manager detects the tripping and closing current waveform, stores the tripping and closing current waveform and sends the tripping and closing current waveform to a background monitoring device; the background monitoring device monitors tripping and closing current waveforms of the intelligent pressing plates; the intelligent pressing plate manager is connected with the intelligent pressing plates through a bus, and the background monitoring device is in communication connection with the intelligent pressing plate manager.
In an embodiment of the present application, the method further includes: and the intelligent pressing plate manager displays the stored tripping and closing current waveforms collected by the intelligent pressing plates and flowing through the main loop.
In order to realize the above-mentioned purpose and other relevant purpose, the present application provides a clamp plate tripping and closing current intelligent detection terminal, includes: the current detection chip is used for detecting current in a non-electric contact manner; the memory is connected with the current detection chip and used for storing a computer program; and the microprocessor is connected with the current detection chip and runs the computer program to execute the intelligent detection method for the tripping and closing current of the pressure plate.
As described above, the intelligent detection system, method and terminal for the tripping and closing current of the pressing plate have the following beneficial effects: the method and the device solve the problem of direct detection of tripping and closing currents of automatic devices such as power system relay protection and the like, can accurately reflect the magnitude and time of the tripping and closing currents flowing through the main loop of the pressing plate in real time, avoid the situation that the tripping and closing loop working process cannot be judged quickly and accurately in an accident site, provide direct basis for analysis and study of tripping and closing accidents, and adapt to the development requirements of the intelligent power grid.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent detection system for a platen tripping and closing current in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an intelligent detection system for a platen tripping and closing current in an embodiment of the present application.
Fig. 3 is a schematic flow chart illustrating an intelligent detection method for a tripping and closing current of a pressing plate in an embodiment of the present application.
Fig. 4 is a schematic structural diagram of an intelligent detection terminal for a switching current of a pressing plate in an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It is noted that in the following description, reference is made to the accompanying drawings which illustrate several embodiments of the present application. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present application. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present application is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Spatially relative terms, such as "upper," "lower," "left," "right," "lower," "below," "lower," "over," "upper," and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature as illustrated in the figures.
Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," and/or "comprising," when used in this specification, specify the presence of stated features, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, operations, elements, components, items, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions or operations are inherently mutually exclusive in some way.
The application provides a clamp plate tripping and closing current intelligent detection system, and solves the problems that in the prior art, when an accident is analyzed, a tripping and closing report inquired in a protection device can only be used, or a fault recorder records the position of an auxiliary contact to judge the fault condition, and the current data flowing through tripping and closing current cannot be truly and directly measured, so that the true reason of the accident cannot be found in a plurality of accident analyses, equipment continues to operate with a fault, and accident potential exists continuously. And under the condition that each department manages, once a tripping accident occurs, the responsibility between two departments is easily unclear, the accident reason cannot be found out in time and the like, the hidden accident danger cannot be eliminated, and the problem of the safe operation of the power equipment is seriously influenced.
The system comprises:
one or more intelligent platens, including: the current acquisition module is used for acquiring tripping and closing current waveforms flowing through the main circuits of the intelligent pressing plates through non-electrical contact;
the intelligent pressing plate manager is connected with each intelligent pressing plate through a bus and used for storing and sending tripping and closing current waveforms of each intelligent pressing plate;
and the background monitoring device is in communication connection with the intelligent pressing plate manager and is used for monitoring the tripping and closing current waveforms of the intelligent pressing plates.
The following detailed description of the embodiments of the present application will be made with reference to fig. 1 so that those skilled in the art described in the present application can easily implement the embodiments. The present application may be embodied in many different forms and is not limited to the embodiments described herein.
As shown in fig. 1, a schematic structural diagram of an intelligent detection system for a switching-on/off current of a pressure plate in an embodiment is shown, where the system includes:
one or more intelligent platens 11, including: the current acquisition module is used for acquiring tripping and closing current waveforms flowing through the intelligent pressing plates 11;
the intelligent pressing plate manager 12 is connected with each intelligent pressing plate 11 through a bus and used for storing and sending tripping and closing current waveforms of each intelligent pressing plate 11;
and the background monitoring device 13 is in communication connection with the intelligent pressing plate manager 12 and is used for monitoring the change of tripping and closing current according to the tripping and closing current waveform of each intelligent pressing plate 11.
Optionally, the tripping and closing current includes: trip current and closing current.
Optionally, when there are a plurality of intelligent pressing plates 11, the intelligent pressing plates 11 are connected in a cascade manner.
Optionally, the current collection module includes an ac/dc detection chip for collecting a trip ac or dc current waveform flowing through each intelligent pressing plate main circuit in a non-electrical contact manner. Specifically, the alternating current and direct current detection chip can realize non-electrical contact measurement of current flowing through the main loop of the intelligent pressing plate through the design of the physical structure of the intelligent pressing plate.
Optionally, the basic principle of the intelligent pressing plate 11 is as follows: the intelligent pressure plate manager is characterized in that a non-electrical contact principle is adopted, data acquisition of tripping and closing currents of a main circuit of the pressure plate is achieved, the acquired data are transmitted to the intelligent pressure plate manager through a control circuit of the intelligent pressure plate, and the intelligent pressure plate manager has the function of storing and uploading information after receiving the information. The upper computer (PC, microcomputer protection device, measurement and control device, stability control device, fault recording device, etc.) collects the current data sent by the intelligent pressure plate manager, and the current data is used as an important criterion of accidents.
Optionally, the intelligent pressing plate manager 12 is a bridge where the background detection device 13 communicates with the intelligent pressing plate
The intelligent platen manager 12 is responsible for collecting information (the number of the platens, position information, current passing through the platens, etc.) of the intelligent platens and uploading the information to the background detection device 13, and is also responsible for forwarding commands issued by the background detection device 13 to the intelligent platens. It should be noted that the intelligent pressing plate manager 12 has a self-checking function, when the number and the position of the pressing plates are detected to be inconsistent with the setting, the intelligent pressing plate manager 12 will perform repeated self-checking (the repeated self-checking of the intelligent pressing plate manager can be caused by the fault of a certain pressing plate, the disconnection of a communication link, the reverse connection of a communication line and the like), and when the intelligent pressing plate manager 12 performs self-checking, the intelligent pressing plate manager will not communicate with the background detection device 13 any more, and if the fault is eliminated, the communication is automatically recovered.
Optionally, the intelligent pressure plate manager 12 is connected to the intelligent pressure plates through a bus, specifically, when a plurality of intelligent pressure plates 11 are provided, the intelligent pressure plate manager 12 is connected to each intelligent pressure plate 11 through a bus, and the intelligent pressure plate 11 stores a tripping and closing current waveform flowing through the intelligent pressure plate 11 in the intelligent pressure plate manager.
Optionally, the intelligent platen manager 12 communicates with each of the intelligent platens 11 through a BUS network, which is an SPI network, an IIC network, a TXD/RXD network, a LIN BUS network, a CAN network, an M-BUS network, an ethernet network, a Profi BUS network, or a fieldbus network, and is not limited in this application.
Optionally, the intelligent platen manager 12 includes: and the display module is used for displaying the tripping and closing current waveform. Specifically, the display module displays a received tripping and closing current waveform from the intelligent pressing plate or displays a tripping and closing current waveform stored in the intelligent pressing plate manager.
Optionally, the display module is a display screen and is configured to display and query the tripping and closing current waveforms. Preferably, the display screen is a liquid crystal display screen.
Optionally, the background monitoring device 13 and the intelligent pressure plate manager 12 are in communication connection through one of an RS485 network, an ethernet network, a CAN network, and a LIN network.
Optionally, the background monitoring device 13 includes an upper computer or an automatic background device.
Optionally, the upper computer includes one of a PC, a relay protection device, a measurement and control device, a stability and control device, and a fault recorder.
Optionally, the background monitoring device 13 monitors the tripping and closing current waveforms of the intelligent pressure plates, and analyzes the actual behavior of the tripping loop by using the monitoring result.
Optionally, the background detection device 13 displays the received tripping and closing current waveforms of the intelligent pressing plates.
Optionally, the intelligent platen manager 12 is connected to the intelligent platens 11 through a 12V bus.
Optionally, the intelligent platen manager 12 further includes: and the detection module is used for automatically detecting and configuring the address of each intelligent pressing plate 11 when the intelligent pressing plate is powered on.
Optionally, the detection module automatically detects and configures addresses of the intelligent pressing plates 11 when the power supply is powered on, and the intelligent pressing plates 11 upload acquired on-off position information of the main loop to the intelligent pressing plate manager 12 through a bus; the intelligent pressing plate manager 12 transmits the on-off position information of each intelligent pressing plate to the background monitoring device 13 through a network; the intelligent pressing plate 11 acquires a waveform message of tripping and closing current, stores the message through an intelligent pressing plate manager, and can also pass a message related to the tripping and closing current and the on-off position of the pressing plate through the background monitoring device 13;
in order to better explain the intelligent detection system for the tripping and closing current of the pressure plate, the following specific embodiments are provided.
Example 1: provided is a pressing plate tripping and closing current intelligent detection system. Fig. 2 is a schematic structural diagram of an intelligent detection system for a switching current of a pressure plate.
The system comprises: the intelligent clamp plate comprises at least 5 tripping intelligent clamp plates comprising current acquisition sensors, an intelligent clamp plate manager and an upper computer, wherein each intelligent clamp plate is connected in a cascading mode to acquire tripping and closing current waveforms flowing through a main loop of each intelligent clamp plate, and the intelligent clamp plate manager is connected with each intelligent clamp plate through a 12V bus, stores and sends the tripping and closing current waveforms of each intelligent clamp plate. The upper computer is in communication connection with the intelligent pressing plate manager through RS485 or Ethernet and is used for monitoring tripping and closing current waveforms of the intelligent pressing plates. The intelligent pressing plate manager can inquire the tripping and closing current waveform messages collected by each intelligent pressing plate on a display screen on site, and can also transmit the tripping and closing current waveform messages to an upper computer through a network.
When the intelligent pressing plate current acquisition sensor is installed, cables of an upper opening and a lower opening of the pressing plate are firstly connected, and then tripping cables of the lower opening are squeezed into the wire inlet grooves.
Example 2: provided is an intelligent detection system combining a pressure plate position and a pressure plate tripping and closing current.
The system comprises: at least 2 intelligent pressing plates comprising current collecting sensors, an intelligent pressing plate manager and an upper computer; the intelligent pressing plates are connected in a cascading mode, the intelligent pressing plate manager is connected with the intelligent pressing plates through a 12V bus, and the upper computer is in communication connection with the intelligent pressing plate manager through RS485 or Ethernet. The intelligent pressure plate manager automatically detects and configures the address of each intelligent pressure plate when the power is on, each intelligent pressure plate uploads the acquired on-off position information of the main circuit to the intelligent pressure plate manager through a bus, and the intelligent pressure plate manager transmits the on-off position information of each intelligent pressure plate to an upper computer through a network; the intelligent pressing plate collects the waveform message of the tripping and closing current, the message is stored through an intelligent pressing plate manager, and the related message of the tripping and closing current and the on-off position of the pressing plate can also be transmitted to an upper computer through a network; the intelligent pressing plate manager can inquire the collected position state and tripping and closing current waveform messages of each intelligent pressing plate on a liquid crystal screen on site, and can also transmit the messages to an upper computer through a network.
Similar to the principle of the above embodiments, the present application provides an intelligent detection method for a switching-on/off current of a pressure plate, the method includes:
one or more intelligent pressing plates collect tripping and closing current waveforms flowing through main circuits of the intelligent pressing plates;
the intelligent pressing plate manager receives the tripping and closing current waveform, stores the tripping and closing current waveform and sends the tripping and closing current waveform to a background monitoring device;
the background monitoring device monitors tripping and closing current waveforms of the intelligent pressing plates;
the intelligent pressing plate manager is connected with the intelligent pressing plates through a bus, and the background monitoring device is in communication connection with the intelligent pressing plate manager.
Specific embodiments are provided below in conjunction with the attached figures:
fig. 3 shows a schematic structural diagram of an intelligent detection method for platen switching-on and switching-off currents in the embodiment of the present application.
The method comprises the following steps:
step S31: one or more intelligent pressing plates collect the tripping and closing current waveforms flowing through the main circuit of each intelligent pressing plate.
Optionally, when a plurality of intelligent pressing plates are provided, the intelligent pressing plates are connected in a cascade manner.
Optionally, one or more intelligent press plates collect a trip ac or dc current waveform flowing through each intelligent press plate primary circuit.
Step S32: and the intelligent pressure plate manager receives the tripping and closing current waveform, stores the tripping and closing current waveform and sends the tripping and closing current waveform to a background monitoring device.
Optionally, the intelligent pressure plate manager is connected to the intelligent pressure plates through a bus, specifically, when a plurality of intelligent pressure plates are provided, the intelligent pressure plate manager is connected to the intelligent pressure plates through a bus, and the intelligent pressure plates store the switching-on/off current waveforms flowing through the intelligent pressure plates in the intelligent pressure plate manager.
Optionally, the intelligent platen manager communicates with each intelligent platen through a BUS network, where the BUS network is an SPI network, an IIC network, a TXD/RXD network, a LIN BUS network, a CAN network, an M-BUS network, an ethernet network, a Profi BUS network, or a field BUS network, which is not limited in this application.
Optionally, the intelligent pressure plate manager displays the tripping and closing current waveforms, and specifically, the display module displays the received tripping and closing current waveforms from the intelligent pressure plate or displays the tripping and closing current waveforms stored in the intelligent pressure plate manager.
Step S33: and the background monitoring device monitors the tripping and closing current waveforms of the intelligent pressing plates.
Optionally, the background monitoring device is in communication connection with the intelligent pressure plate manager through one of an RS485 network, an ethernet network, a CAN network, and a LIN network.
Optionally, the background monitoring device includes an upper computer or an automatic background device.
Optionally, the upper computer includes one of a PC, a relay protection device, a measurement and control device, a stability and control device, and a fault recorder.
Optionally, the background monitoring device monitors the tripping and closing current waveforms of the intelligent pressure plates, and analyzes the actual behavior of the tripping loop by using the monitoring result.
Optionally, the background detection device displays the received tripping and closing current waveforms of the intelligent pressing plates.
As shown in fig. 4, a schematic structural diagram of a pressing plate tripping and closing current intelligent detection terminal 40 in the embodiment of the present application is shown.
The pressing plate tripping and closing current intelligent detection terminal 40 comprises: a detection current chip 41 for detecting a current flowing through the main circuit of the platen by a non-electrical direct contact manner; the memory 42 connected with the current detection chip 41 and the microprocessor 43 are used for storing computer programs in the memory 42; the microprocessor 43 runs a computer program to implement the intelligent detection method for the tripping and closing current of the pressure plate as shown in fig. 1.
Alternatively, the number of the memories 42 may be one or more, and the number of the microprocessors 43 may be one or more, so that fig. 1 illustrates one example.
Optionally, the microprocessor 43 in the intelligent detection terminal for platen switching current loads one or more instructions corresponding to the application program process into the memory 42 according to the steps described in fig. 1, and the microprocessor 43 runs the application program stored in the memory 42, so as to implement various functions in the intelligent detection method for platen switching current shown in fig. 1.
Optionally, the micro memory 42 may include, but is not limited to, a high speed random access memory, a non-volatile memory. Such as one or more magnetic disk storage devices, flash memory devices, or other non-volatile solid-state storage devices; the microprocessor 42 may include, but is not limited to, a Central Processing Unit (CPU), a Network microprocessor (NP), etc.; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components.
Optionally, the microprocessor 43 may be a general-purpose microprocessor, including a Central Processing Unit (CPU), a Network microprocessor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components.
The application also provides a computer-readable storage medium, which stores a computer program, and when the computer program runs, the method for intelligently detecting the tripping and closing current of the pressure plate as shown in fig. 1 is realized. The computer-readable storage medium may include, but is not limited to, floppy diskettes, optical disks, CD-ROMs (compact disc-read only memories), magneto-optical disks, ROMs (read-only memories), RAMs (random access memories), EPROMs (erasable programmable read only memories), EEPROMs (electrically erasable programmable read only memories), magnetic or optical cards, flash memory, or other type of media/machine-readable medium suitable for storing machine-executable instructions. The computer readable storage medium may be a product that is not accessed by the computer device or may be a component that is used by an accessed computer device.
In summary, the system, the method and the terminal for intelligently detecting the tripping and closing currents of the pressing plate solve the problem of directly detecting the tripping and closing currents of automatic devices such as power system relay protection and the like, can accurately and real-timely reflect the magnitude and time of the current of the tripping and closing current flowing through the pressing plate, avoid the phenomenon that the real and direct working process of a tripping circuit cannot be rapidly and accurately judged on an accident site, provide direct basis for analyzing and studying and judging tripping accidents, and adapt to the development requirements of an intelligent power grid. Therefore, the application effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims (10)

1. The utility model provides a clamp plate tripping and closing current intellectual detection system which characterized in that, the system includes:
one or more intelligent platens, including: the current acquisition module is used for acquiring tripping and closing current waveforms flowing through main circuits of the intelligent pressing plates in a non-contact manner;
the intelligent pressing plate manager is connected with each intelligent pressing plate through a bus and used for storing, displaying and sending tripping and closing current waveforms of each intelligent pressing plate;
and the background monitoring device is in communication connection with the intelligent pressing plate manager and is used for monitoring the tripping and closing current waveforms of the intelligent pressing plates.
2. The system for intelligently detecting platen tripping and closing currents according to claim 1, wherein the intelligent platen manager comprises: and the display module is used for displaying the tripping and closing current waveform.
3. The system for intelligently detecting the tripping and closing currents of the pressing plate according to claim 1, wherein the number of the intelligent pressing plates is multiple, and the intelligent pressing plates are connected in a cascading mode.
4. The system for intelligently detecting the tripping and closing currents of the pressing plate according to claim 1, wherein the current collection module comprises alternating current and direct current detection chips and is used for collecting tripping and closing alternating current and/or direct current waveforms flowing through each intelligent pressing plate in a non-electric contact manner.
5. The system for intelligently detecting the tripping and closing current of a pressing plate according to claim 1, wherein the background detection device comprises: and (4) an upper computer.
6. The system for intelligently detecting the tripping and closing current of the pressing plate according to claim 5, wherein the upper computer comprises one of a PC (personal computer), a relay protection device or a measurement and control device and a stability and control device.
7. The system for intelligently detecting the tripping and closing current of the pressing plate according to claim 1, wherein the background monitoring device is in communication connection with the intelligent pressing plate manager through one of an RS485 network, an Ethernet network, a CAN network and a Lin network.
8. The intelligent detection method for the tripping and closing current of the pressure plate is characterized by comprising the following steps:
one or more intelligent pressing plates collect tripping and closing current waveforms flowing through main circuits of the intelligent pressing plates in a non-contact mode;
the intelligent pressing plate manager receives the tripping and closing current waveform, stores and displays the tripping and closing current waveform and sends the tripping and closing current waveform to a background monitoring device;
the background monitoring device monitors tripping and closing current waveforms of the intelligent pressing plates;
the intelligent pressing plate manager is connected with the intelligent pressing plates through a bus, and the background monitoring device is in communication connection with the intelligent pressing plate manager.
9. The intelligent detection method for the platen switching-on and switching-off current according to claim 8, further comprising:
and the intelligent pressing plate manager displays the stored tripping and closing current waveforms collected by the intelligent pressing plates and flowing through the main loop.
10. The utility model provides a clamp plate tripping and closing current intellectual detection system terminal which characterized in that includes:
the current detection chip is used for detecting the current flowing through the main circuit of the pressure plate in a non-electric direct contact mode;
the memory is connected with the current detection chip and used for storing a computer program;
and the microprocessor is connected with the current detection chip and is used for running the computer program to execute the intelligent detection method for the platen tripping and closing current as claimed in claim 6 or 7.
CN202010361938.1A 2020-04-30 2020-04-30 Intelligent detection system and method for tripping and closing current of pressing plate and terminal Pending CN113589015A (en)

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CN202010361938.1A CN113589015A (en) 2020-04-30 2020-04-30 Intelligent detection system and method for tripping and closing current of pressing plate and terminal

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Application Number Priority Date Filing Date Title
CN202010361938.1A CN113589015A (en) 2020-04-30 2020-04-30 Intelligent detection system and method for tripping and closing current of pressing plate and terminal

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