CN111244945A - Power distribution parameter consistency detection method and system - Google Patents

Power distribution parameter consistency detection method and system Download PDF

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Publication number
CN111244945A
CN111244945A CN202010089936.1A CN202010089936A CN111244945A CN 111244945 A CN111244945 A CN 111244945A CN 202010089936 A CN202010089936 A CN 202010089936A CN 111244945 A CN111244945 A CN 111244945A
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power distribution
parameters
upper computer
appointed
parameter
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孙巍巍
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Tianjin Zhongli Shendun Electronics Technology Co Ltd
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Tianjin Zhongli Shendun Electronics Technology Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks

Abstract

The invention provides a power distribution parameter consistency detection method, which comprises the following steps: reading the power distribution parameters of the appointed power distribution terminal stored in the upper computer according to the power distribution parameter checking instruction received by the upper computer; the upper computer sends a parameter reading instruction to the appointed power distribution terminal and reads the power distribution parameters of the appointed power distribution terminal; and comparing the power distribution parameters of the appointed power distribution terminal stored in the upper computer with the read power distribution parameters stored in the appointed power distribution terminal, judging whether the power distribution parameters are consistent or not, and outputting a judgment result. According to the power distribution parameter consistency detection method and system provided by the invention, the power distribution parameters of the power distribution terminal stored in the upper computer are compared with the power distribution parameters in the corresponding power distribution terminal, corresponding operation is carried out according to the comparison result, and corresponding comparison result information is sent out, so that the problem of inconsistent power distribution parameters in the power distribution system is effectively solved, and the method and system have important significance for normal and safe operation of the power distribution system.

Description

Power distribution parameter consistency detection method and system
Technical Field
The invention relates to the technical field of power electronics, in particular to a method and a system for detecting consistency of power distribution parameters.
Background
At present, a power distribution terminal is installed on a power distribution cabinet in some current power distribution systems, so that the power distribution terminals can monitor power parameters and temperatures of power distribution systems such as a power distribution cabinet or a power distribution box and the like, and the power distribution terminals and the temperatures can bear the action of man-machine interaction. Along with the development requirements of intellectualization and unattended operation of a power distribution system, the power distribution system is connected with an upper computer to carry out remote and centralized display and control, sometimes power distribution parameters need to be modified in a power distribution terminal and an upper computer link because of installation, debugging and maintenance requirements, so that the power distribution parameters set and stored on the power distribution terminal are inconsistent with the power distribution parameters stored in the upper computer, misjudgment is caused to users and maintenance personnel, abnormal work of the power distribution system is easy to cause even safety accidents, and a detection method and means for the consistency of the power distribution parameters are needed to solve the problems.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a power distribution parameter consistency detection method and a power distribution parameter consistency detection system, which can be used for carrying out consistency check on power distribution parameters in a power distribution system, carrying out corresponding operation according to a comparison result by comparing power distribution terminal power distribution parameters stored in an upper computer with power distribution parameters in corresponding power distribution terminals, and sending corresponding comparison result information, so that the method and the system have important significance for normal and safe operation of the power distribution system.
In order to achieve the above object, the present invention provides a method for detecting consistency of power distribution parameters, comprising:
reading the power distribution parameters of the appointed power distribution terminal stored in the upper computer according to the power distribution parameter checking instruction received by the upper computer;
the upper computer sends a parameter reading instruction to the appointed power distribution terminal and reads the power distribution parameters of the appointed power distribution terminal;
and comparing the power distribution parameters of the appointed power distribution terminal stored in the upper computer with the read power distribution parameters stored in the appointed power distribution terminal, judging whether the power distribution parameters are consistent or not, and outputting a judgment result.
In the above method for detecting consistency of distribution parameters, the method further comprises the steps of comparing the distribution parameters stored in the upper computer at the designated distribution terminal with the distribution parameters read from the designated distribution terminal, judging whether the distribution parameters are consistent, and outputting a judgment result, wherein the steps comprise:
when the power distribution parameters of the appointed power distribution terminal stored in the upper computer are inconsistent with the read power distribution parameters stored in the appointed power distribution terminal, modifying the power distribution parameters of the appointed power distribution terminal stored in the upper computer into the read corresponding power distribution parameters of the appointed power distribution terminal, and then outputting the judgment result of the appointed power distribution terminal to the upper computer;
and when the power distribution parameters of the appointed power distribution terminal stored in the upper computer are consistent with the read power distribution parameters in the appointed power distribution terminal, directly outputting the judgment result of the appointed power distribution terminal to the upper computer.
Optionally, the power distribution parameter checking instruction is sent to the upper computer in a software automatic timing setting and/or man-machine interaction mode setting mode.
Optionally, the determination result may be output by one or a combination of the following manners: text, characters, indicator lights, sounds, graphics.
Furthermore, the read quantity of the power distribution parameters stored in the appointed power distribution terminal contains and is not less than the type and quantity of the power distribution parameters stored in the upper computer of the appointed power distribution terminal.
A power distribution parameter consistency detection system, the power distribution parameter consistency detection system communicatively coupled to at least one power distribution terminal, the power distribution parameter consistency detection system comprising:
the calculation processing module is used for comparing and calculating the power distribution parameters of the specified power distribution terminal stored in the upper computer with the read power distribution parameters stored in the specified power distribution terminal and outputting the power distribution parameters;
the display module is used for displaying the power distribution parameter consistency detection result of the specified power distribution terminal and can also be used for carrying out parameter human-computer interaction setting; optionally, the display module is one of a touch screen, a liquid crystal screen, an LED screen, and an OLED screen.
The communication module is used for realizing data communication between the upper computer and the appointed power distribution terminal; optionally, the communication mode may be at least one of RS485 communication, RS232 communication, CAN communication, ZigBee wireless communication, and ethernet communication.
And the storage module is used for storing the related information of the power distribution parameters of the appointed power distribution terminal in the upper computer.
Further, the power distribution parameter consistency detection system is contained in an upper computer.
Optionally, the communication between the power distribution parameter consistency detection system and the designated power distribution terminal is performed by using a central collector.
The power distribution parameter consistency detection system and the power distribution parameter consistency detection system have the beneficial effects that: the utility model provides a distribution parameter uniformity detection method and system, can carry out the uniformity inspection to the distribution parameter in the distribution system, through comparing the distribution terminal distribution parameter of storage in the host computer and the distribution parameter in the corresponding distribution terminal, carry out corresponding operation according to the comparison result to send corresponding comparison result information. The power distribution parameter consistency detection method and the power distribution parameter consistency detection system effectively solve the problem of inconsistent power distribution parameters in a power distribution system, prevent misoperation or misjudgment of use and maintenance personnel caused by parameter errors, and have important significance on normal and safe operation of the power distribution system.
Drawings
Fig. 1 is a flowchart of a method for detecting consistency of power distribution parameters according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating storage of power distribution parameters in an upper computer and a power distribution terminal according to a first embodiment of the present invention;
fig. 3 is a schematic block diagram of a power distribution parameter consistency detection system according to a second embodiment of the present invention.
Detailed Description
The following describes the method and system for detecting consistency of power distribution parameters in detail with reference to the accompanying drawings.
Example one
Fig. 1 is a flowchart illustrating a method for detecting consistency of power distribution parameters according to an embodiment of the present invention, which may be executed by the system for detecting consistency of power distribution parameters shown in fig. 3.
The steps of the method for detecting consistency of power distribution parameters will now be described with reference to the flowchart shown in fig. 1.
In step S101, the power distribution parameters of the designated power distribution terminal stored in the upper computer are read according to the power distribution parameter check instruction received by the upper computer.
Optionally, the power distribution parameter checking instruction is automatically set at regular time by software on the upper computer and/or set in a man-machine interaction mode and sent to the upper computer.
The software may select hourly, daily, hourly, several-daily, etc., but is not limited thereto, and generally sets the consistency check of the power distribution parameters in an idle period in order to prevent the consistency check of the power distribution parameters from excessively occupying the resources of the power distribution system; in addition, because the number of the power distribution terminals in the power distribution system is often more than one, and more than one, or even dozens or even hundreds of power distribution terminals, if the power distribution system needs more resources for one check, other operations of the power distribution system are affected, so that the power distribution parameter check is performed by adopting automatic software timing setting or human-computer interaction setting, and the frequency of the check needs to be determined according to actual conditions.
In order to save power distribution system resources and not influence other operations of the power distribution system, the upper computer can be used for checking which appointed power distribution terminals can be selected on an operation interface of the upper computer software, and sometimes relevant debugging and maintenance operations are carried out on individual power distribution terminals of the power distribution system; and when a plurality of appointed power distribution terminals are selected, carrying out consistency detection on the power distribution parameters of the appointed power distribution terminals in sequence.
The power distribution parameters specifying the power distribution terminal in the upper computer may be stored in hardware, firmware, or in a recording medium such as a CD-ROM, a RAM, a floppy disk, a hard disk, or a magneto-optical disk.
In step S102, the upper computer sends a parameter reading instruction to the designated power distribution terminal, and reads the power distribution parameter of the designated power distribution terminal.
When the designated power distribution terminal is determined, for example: the method comprises the steps that a 001-number power distribution terminal in a power distribution system is determined to be a power distribution terminal needing to be subjected to power distribution parameter consistency detection, an upper computer communicates with the 001-number power distribution terminal, the 001-number power distribution terminal sends a power distribution parameter reading instruction to the 001-number power distribution terminal, the 001-number power distribution terminal reads corresponding power distribution parameters to a cache, and the upper computer reads the corresponding power distribution parameters in the 001-number power distribution terminal cache and stores the corresponding power distribution parameters in the cache of the upper computer.
In step S103, comparing the power distribution parameters stored in the upper computer at the designated power distribution terminal with the read power distribution parameters stored in the designated power distribution terminal, determining whether the power distribution parameters are consistent, and outputting a determination result.
According to step S103, for example, fig. 2 shows a schematic diagram of power distribution parameter storage in an upper computer and a power distribution terminal provided in the first embodiment of the present invention, for example: the power distribution parameters of the No. 001 power distribution terminal in the power distribution system stored in the upper computer comprise a parameter 1, a parameter 2, a parameter … … and a parameter n, wherein the total n parameters comprise one or more pieces of information of voltage, current, power, time interval and the like of the No. 001 power distribution terminal; the power distribution parameters stored in the 001-number power distribution terminal include a parameter 1, a parameter 2, … …, a parameter n +1, … … and a parameter m, m parameters are counted, the power distribution parameters of the 001-number power distribution terminal which are read according to the needs of a user include a parameter 1, a parameter 2, a parameter … … and a parameter n, the parameters are n parameters of the m parameters, firstly, the value of the parameter 1 stored in the upper computer is compared with the value of the parameter 1 of the 001-number power distribution terminal which is read:
when the parameter 1 of the power distribution parameter of the 001 # power distribution terminal in the power distribution system stored in the upper computer is equal to the read parameter 1 of the power distribution parameter of the 001 # power distribution terminal, the next parameter, that is, the parameter 2, is judged, when the values of all the parameters at two positions, that is, the parameter 1, the parameter 2, the parameter … … and the parameter n, are all consistent, information with consistent parameters is output, and then the process goes to step S105.
When the parameter 1 of the power distribution parameter of the 001 # power distribution terminal in the power distribution system stored in the upper computer is inconsistent with the read parameter 1 of the power distribution parameter of the 001 # power distribution terminal, the step 104 is shifted to perform corresponding operation, after the step 104 is completed, the next parameter, namely the parameter 2, is shifted to be judged, and when all the parameters of the two places, namely the parameter 1, the parameter 2, the parameter … … and the parameter n are judged completely, the step S105 is shifted to.
In step S104, the power distribution parameters of the designated power distribution terminal stored in the upper computer are modified into the read power distribution parameters corresponding to the designated power distribution terminal. Generally, in a power distribution system, data at a power distribution terminal is field data, which is first-hand data and is the most real data, and data stored in an upper computer is often updated continuously due to installation, debugging and the like, so that instantaneity is poor, and if the data is not updated in time, wrong information is easily misled for a user and a maintainer, misjudgment is caused, and therefore the data needs to be updated in time. For example: when the parameter 1 of the power distribution parameter of the number 001 power distribution terminal in the power distribution system stored in the upper computer is inconsistent with the read parameter 1 of the power distribution parameter of the number 001 power distribution terminal, the value of the parameter 1 of the power distribution parameter of the number 001 power distribution terminal in the power distribution system stored in the upper computer needs to be modified, the value of the read parameter 1 of the power distribution parameter of the number 001 power distribution terminal is changed into the value and stored, and meanwhile, the modification condition is recorded.
In step S105, outputting the determination result of the designated power distribution terminal to an upper computer; the judgment result comprises information of consistency judgment results of all power distribution parameters needing to be detected in the power distribution system stored in the upper computer, and the results can be summarized and counted to form a report of total consistency judgment result information.
Optionally, the power distribution terminal determination result may be displayed in one of the following manners: characters, indicator lights, sounds and figures, so that the maintainers can conveniently check and find abnormality in time.
When the number of the power distribution terminals to be detected is more than one, the relevant operations from step S101 to step S105 need to be performed on each power distribution terminal in sequence, so as to complete the consistency detection of the power distribution parameters of all the power distribution terminals.
It should be noted that, in the power distribution parameter consistency detection method provided in the embodiment of the present invention, the number of the read power distribution parameters stored in the designated power distribution terminal includes and is not less than the type and number of the power distribution parameters of the designated power distribution terminal stored in the upper computer, as shown in fig. 2, in general, m is greater than n, mainly for ensuring the real-time property of normal reporting of the power distribution parameters of the power distribution terminal, the required detection frequency cannot be too high, and communication resources are saved, and consistency detection is performed on only n more important power distribution parameters among the m power distribution parameters; on the other hand, if the communication resource allows, if there is a reading demand of the user for all the power distribution parameters, at this time, m is equal to n, and the power distribution parameter reading function is opened for all the users.
The power distribution parameter consistency detection method provided according to an embodiment of the present invention as described above may be implemented in hardware, firmware, or as software or computer code storable in a recording medium such as a CD-ROM, a RAM, a floppy disk, a hard disk, or a magneto-optical disk, or as computer code originally stored in a remote recording medium or a non-transitory machine-readable medium downloaded via a network and to be stored in a local recording medium, so that the method described herein may be stored in such software processing on a recording medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware such as an ASIC or FPGA. It will be appreciated that the computer, processor, microprocessor controller or programmable hardware includes memory components (e.g., RAM, ROM, flash memory, etc.) that can store or receive software or computer code that, when accessed and executed by the computer, processor or hardware, implements the power distribution parameter consistency detection method described herein.
Example two
Fig. 3 is a schematic block diagram of a power distribution parameter consistency detection system according to a second embodiment of the present invention; the power distribution parameter consistency detection system 1 provided by the embodiment of the invention comprises:
the calculation processing module 101 is used for comparing and calculating the power distribution parameters of the specified power distribution terminal stored in the upper computer 4 with the read power distribution parameters stored in the specified power distribution terminal and outputting the power distribution parameters;
the display module 102 is used for displaying the power distribution parameter consistency detection result of the specified power distribution terminal, receiving the judgment result of the power distribution parameter consistency detection of the calculation processing module 101, and performing parameter human-computer interaction setting through the display module; the display module 102 includes at least one of a display screen, a display lamp, a speaker, etc., and informs the user of the information of the corresponding determination result by displaying the information on the display screen, or distinguishes different determination information by displaying the information of different colors or positions or by emitting different sounds.
The communication module 103 is used for realizing data communication between the upper computer 4 and the appointed power distribution terminal; the data communication CAN adopt at least one of RS485 communication, RS232 communication, CAN communication, ZigBee wireless communication and Ethernet communication.
The storage module 104 is used for storing the related information of the power distribution parameters of the specified power distribution terminal in the upper computer 4; the memory module 104 may be located in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any form of storage medium known in the art. A storage medium may be coupled to the processor such that the processor can read information from, and write information to, the storage medium; or the storage medium may be integral to the processor, and the processor and the storage medium may reside in an Application Specific Integrated Circuit (ASIC).
In the power distribution parameter consistency detection system provided in the second embodiment of the present invention, since the power distribution system includes a plurality of power distribution terminals, only one of the power distribution terminals in the power distribution system is selected for description, that is, as the power distribution terminal 3 in fig. 2, the power distribution terminal 3 is a designated power distribution terminal.
In the power distribution parameter consistency detection system provided in the second embodiment of the present invention, the power distribution parameter consistency detection system 1 is included in the upper computer 4, and functions of each module of the power distribution parameter consistency detection system 1 are implemented by using a hardware platform of the upper computer 4.
In the power distribution parameter consistency detection system provided by the second embodiment of the present invention, the communication between the power distribution parameter consistency detection system 1 and the power distribution terminal 3 is performed by using the concentrator 2; by using the concentrator 2, the network distance can be effectively prolonged, the communication channel can be expanded, and the communication quality of a power distribution system can be improved; the central processing unit 2 is a device with functions of data acquisition, calculation analysis, remote communication and the like.
According to the power distribution parameter consistency detection method and system provided by the invention, consistency check can be carried out on the power distribution parameters in the power distribution system, corresponding operation is carried out according to the comparison result by comparing the power distribution terminal power distribution parameters stored in the upper computer with the power distribution parameters in the corresponding power distribution terminals, and corresponding comparison result information is sent out. The power distribution parameter consistency detection method and the power distribution parameter consistency detection system effectively solve the problem of inconsistent power distribution parameters in a power distribution system, prevent misoperation or misjudgment of use and maintenance personnel caused by parameter errors, and have important significance on normal and safe operation of the power distribution system.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and all such changes or substitutions are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. A power distribution parameter consistency detection method is characterized by comprising the following steps:
reading the power distribution parameters of the appointed power distribution terminal stored in the upper computer according to the power distribution parameter checking instruction received by the upper computer;
the upper computer sends a parameter reading instruction to the appointed power distribution terminal and reads the power distribution parameters of the appointed power distribution terminal;
and comparing the power distribution parameters of the appointed power distribution terminal stored in the upper computer with the read power distribution parameters stored in the appointed power distribution terminal, judging whether the power distribution parameters are consistent or not, and outputting a judgment result.
2. The method for detecting the consistency of the power distribution parameters according to claim 1, wherein the step of comparing the power distribution parameters of the specified power distribution terminal stored in the upper computer with the read power distribution parameters stored in the specified power distribution terminal to determine whether the power distribution parameters are consistent with each other and outputting a determination result comprises the steps of:
when the power distribution parameters of the appointed power distribution terminal stored in the upper computer are inconsistent with the read power distribution parameters stored in the appointed power distribution terminal, modifying the power distribution parameters of the appointed power distribution terminal stored in the upper computer into the read corresponding power distribution parameters of the appointed power distribution terminal, and then outputting the judgment result of the appointed power distribution terminal to the upper computer;
and when the power distribution parameters of the appointed power distribution terminal stored in the upper computer are consistent with the read power distribution parameters in the appointed power distribution terminal, directly outputting the judgment result of the appointed power distribution terminal to the upper computer.
3. The method for detecting the consistency of the power distribution parameters according to claim 1 or 2, wherein the power distribution parameter checking instruction is sent to an upper computer through software automatic timing setting and/or a man-machine interaction mode setting mode.
4. The method for detecting the consistency of the power distribution parameters according to claim 1 or 2, wherein the judgment result can be output by one or a combination of the following methods: text, characters, indicator lights, sounds, graphics.
5. The power distribution parameter consistency detection method according to claim 1 or 2, characterized in that the read quantity of the power distribution parameters stored in the specified power distribution terminal includes and is not less than the type and quantity of the power distribution parameters of the specified power distribution terminal stored in the upper computer.
6. A power distribution parameter consistency detection system, the power distribution parameter consistency detection system being communicatively coupled to at least one power distribution terminal, the power distribution parameter consistency detection system comprising:
the calculation processing module is used for comparing and calculating the power distribution parameters of the specified power distribution terminal stored in the upper computer with the read power distribution parameters stored in the specified power distribution terminal and outputting the power distribution parameters;
the display module is used for displaying the power distribution parameter consistency detection result of the specified power distribution terminal and can also be used for carrying out parameter human-computer interaction setting;
the communication module is used for realizing data communication between the upper computer and the appointed power distribution terminal;
and the storage module is used for storing the related information of the power distribution parameters of the appointed power distribution terminal in the upper computer.
7. The power distribution parameter consistency detection system of claim 6, wherein the power distribution parameter consistency detection system is contained in an upper computer.
8. The power distribution parameter consistency detection system of claim 6, wherein the communication between the power distribution parameter consistency detection system and the designated power distribution terminal is via a central concentrator.
CN202010089936.1A 2020-01-20 2020-01-20 Power distribution parameter consistency detection method and system Pending CN111244945A (en)

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