CN116047362A - Grounding reliability detection method, system, medium and computer based on pressure detection - Google Patents
Grounding reliability detection method, system, medium and computer based on pressure detection Download PDFInfo
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- CN116047362A CN116047362A CN202310335622.9A CN202310335622A CN116047362A CN 116047362 A CN116047362 A CN 116047362A CN 202310335622 A CN202310335622 A CN 202310335622A CN 116047362 A CN116047362 A CN 116047362A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The invention relates to a grounding reliability detection method, a system, a medium and a computer based on pressure detection, which have the following beneficial effects: the stability through to pin connection detects this application, can effectively guarantee the reliability of earth connection at job site installation, avoids the earth connection installation not firm enough to lead to the earth connection earthing effect poor, and the safety protection effect is not good enough, causes the operation constructor to have danger.
Description
Technical Field
The invention relates to the technical field of distribution network detection, in particular to a method, a system, a medium and a computer for detecting grounding reliability based on pressure detection.
Background
In the prior art, temporary grounding refers to temporarily grounding a line or electrical equipment due to electrical work safety requirements. The temporary grounding rod is a necessary safety tool for grounding in power construction operation, is a safety short-circuit device to be hung before equipment or lines are overhauled after power failure in the power industry, and is used for preventing sudden calls from damaging absolute operators or equipment. Typically include terminals for bridging over the distribution network conductors and pin ends for plugging into soil for grounding.
In current life, because environmental factor or people are not strong enough to safety protection's consciousness, when the pin is nailed into soil, can exist pin connection insecure often, the condition that drops from soil, perhaps because soil is too dry, the resistance between earth connection and the soil is too big and lead to the fact the earth effect not good to cause danger.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a grounding reliability detection method, a system, a medium and a computer based on pressure detection, which avoid the problem of operation danger caused by unstable installation of the existing temporary grounding wire and poor grounding effect.
The technical aim of the invention is realized by the following technical scheme: the grounding reliability detection method based on pressure detection comprises the following steps:
s1, acquiring environment data of a grounding wire connection part, judging whether the environment data meets grounding requirements, and correspondingly sending out alarm signals if the environment data does not meet the grounding requirements;
s2, judging whether the circuit to be maintained is powered off or not, and if the circuit to be maintained is not powered off, correspondingly sending out a warning signal;
s3, inserting pins of the grounding wire into the soil;
s4, performing stability test on the pins inserted into the soil, judging whether the pins are firmly connected, if so, correspondingly sending out qualified signals and executing the step S5; if not, correspondingly sending out an unqualified signal, enabling an operator to pull out the pin from the soil and reinsert the pin into the soil at other positions, and carrying out a test again;
and S5, the other end of the grounding wire is connected to a power distribution network in a lap joint mode, and the grounding of the power distribution network is completed.
Optionally, the environmental data includes: wind power, wind direction, wind speed, precipitation, air temperature, soil hardness, soil humidity and soil pH value.
Optionally, in the step S2, the method includes:
according to the following steps: the sequence of the circuit breaker, the load side isolating switch and the power supply side isolating switch is that the electric switch is disconnected in sequence, and after the electric switch is discharged for a first preset time, the circuit to be maintained of the power distribution network is detected, so that the existence of residual voltage or induced voltage in the power distribution network is avoided.
Optionally, the step S3 includes:
the long straight pins are driven into the soil, or pins with helical edges are screwed into the soil.
Optionally, the step S4 includes:
and detecting the pulling force of the pin inserted into the soil, judging whether the friction force between the pin and the soil is larger than a preset friction force threshold value, and if so, indicating that the pin is firmly connected.
Optionally, before the step S5, the method further includes:
and detecting the resistance of the grounding wire, judging whether the resistance of the grounding wire is smaller than a preset resistance threshold value, and if not, giving an alarm.
A ground reliability detection system based on pressure detection, comprising:
an environmental data acquisition module: the method comprises the steps of acquiring environment data of a grounding wire connection part, judging whether the environment data meet grounding requirements, and correspondingly sending out alarm signals if the environment data do not meet the grounding requirements;
and the power detection module is used for: the circuit is used for judging whether the circuit to be maintained is powered off or not, and if the circuit is not powered off, a warning signal is correspondingly sent out;
friction test module: and the device is used for detecting the pulling force of the pin inserted into the soil and judging whether the friction force between the pin and the soil is larger than a preset friction force threshold value.
Resistance detection module: and the resistor is used for detecting the resistance of the grounding wire and judging whether the resistance of the grounding wire is smaller than a preset resistance threshold value.
A computer device comprising a memory storing a computer program and a processor implementing the steps of the method described above when the processor executes the computer program.
A computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method described above.
In summary, the invention has the following beneficial effects: the stability through to pin connection detects this application, can effectively guarantee the reliability of earth connection at job site installation, avoids the earth connection installation not firm enough to lead to the earth connection earthing effect poor, and the safety protection effect is not good enough, causes the operation constructor to have danger.
Drawings
FIG. 1 is a flow chart of a method for detecting ground reliability based on pressure detection according to the present invention;
FIG. 2 is a block diagram of a ground reliability detection system based on pressure detection according to the present invention;
fig. 3 is an internal structural diagram of a computer device in an embodiment of the present invention.
In the figure: 1. an environmental data acquisition module; 2. a power detection module; 3. a friction force testing module; 4. and the resistance detection module.
Detailed Description
In order that the objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not to indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
The invention provides a grounding reliability detection method based on pressure detection, which is shown in fig. 1 and comprises the following steps:
s1, acquiring environment data of a grounding wire connection part, judging whether the environment data meets grounding requirements, and correspondingly sending out alarm signals if the environment data does not meet the grounding requirements;
s2, judging whether the circuit to be maintained is powered off or not, and if the circuit to be maintained is not powered off, correspondingly sending out a warning signal;
s3, inserting pins of the grounding wire into the soil;
s4, performing stability test on the pins inserted into the soil, judging whether the pins are firmly connected, if so, correspondingly sending out qualified signals and executing the step S5; if not, correspondingly sending out an unqualified signal, enabling an operator to pull out the pin from the soil and reinsert the pin into the soil at other positions, and carrying out a test again;
and S5, the other end of the grounding wire is connected to a power distribution network in a lap joint mode, and the grounding of the power distribution network is completed.
In practical application, environmental factors are mainly detected aiming at weather factors such as precipitation, thunderstorm or strong wind, and the danger caused by maintenance in thunderstorm weather or strong wind weather is avoided. And in order to avoid the residual electric power in the distribution network or the induced voltage generated by mutual induction with the adjacent distribution lines in the distribution network, electric power detection needs to be carried out on the electric wires of the distribution network, and danger caused by electrified operation of operators is avoided. In order to avoid poor connection caused by the fact that pins inserted into the soil are not firmly connected and fall off from the soil, connection stability of the pins needs to be detected, in the process of connecting the grounding wire, the grounding end needs to be inserted into the soil first, then the hanging wire point is connected to the electric wire, when the grounding wire is detached, the process is exactly opposite, the hanging wire point needs to be detached from the electric wire first, and then the pins are pulled out of the soil. The length of the pin to be driven into the ground is set to be 60cm or more, but the connection stability of the pin is still different when the lengths of the pins to be driven into the ground are the same because the quality of the soil is different from place to place, and in this case, it is necessary to detect the stability of the fixation of the pin when the pin is driven into the bottom surface, and it is avoided that the pin is separated from the soil during the construction operation, resulting in poor grounding. To sum up, this application detects through the stability to pin connection, can effectively guarantee the reliability of earth connection at job site installation, avoids the earth connection installation not firm enough to lead to the earth connection earthing effect poor, and the safety protection effect is not good enough, causes operation constructor to have danger.
Further, the environmental data includes: wind power, wind direction, wind speed, precipitation, air temperature, soil hardness, soil humidity and soil pH value.
In practical application, in order to avoid constructor to construct in bad weather, need confirm the weather of maintenance place before connecting the earth connection, avoid the too bad influence personnel safety of weather of maintenance place, the hardness of soil can influence the difficulty and the firm degree that the pin inserted in ground, and soil is too hard, can lead to the pin to be difficult to insert in the soil, and soil is too loose, can lead to the pin to insert insecure again.
Further, in the step S2, the method includes: according to the following steps: the sequence of the circuit breaker, the load side isolating switch and the power supply side isolating switch is that the electric switch is disconnected in sequence, and after the electric switch is discharged for a first preset time, the circuit to be maintained of the power distribution network is detected, so that the existence of residual voltage or induced voltage in the power distribution network is avoided.
Further, the step S3 includes: the long straight pins are driven into the soil, or pins with helical edges are screwed into the soil.
In practical applications, in order to avoid the soil being too hard, it is sometimes necessary to use a threaded pin, and the pin is screwed into the soil like a screw to fix the soil.
Further, the step S4 includes: and detecting the pulling force of the pin inserted into the soil, judging whether the friction force between the pin and the soil is larger than a preset friction force threshold value, and if so, indicating that the pin is firmly connected.
Further, before the step S5, the method further includes:
and detecting the resistance of the grounding wire, judging whether the resistance of the grounding wire is smaller than a preset resistance threshold value, and if not, giving an alarm. In this application, the resistance threshold is typically 4Ω.
As shown in fig. 2, the present invention also provides a ground reliability detection system based on pressure detection, including:
an environmental data acquisition module: the method comprises the steps of acquiring environment data of a grounding wire connection part, judging whether the environment data meet grounding requirements, and correspondingly sending out alarm signals if the environment data do not meet the grounding requirements;
and the power detection module is used for: the circuit is used for judging whether the circuit to be maintained is powered off or not, and if the circuit is not powered off, a warning signal is correspondingly sent out;
friction test module: the device is used for detecting the pulling force of the pin inserted into the soil and judging whether the friction force between the pin and the soil is larger than a preset friction force threshold value or not;
resistance detection module: and the resistor is used for detecting the resistance of the grounding wire and judging whether the resistance of the grounding wire is smaller than a preset resistance threshold value.
For specific limitations on the pressure detection-based grounding reliability detection system, reference may be made to the above limitations on the pressure detection-based grounding reliability detection method, and no further description is given here. The above-described pressure detection-based ground reliability detection system may be implemented in whole or in part by software, hardware, and combinations thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
In one embodiment, a computer device is provided, which may be a server, the internal structure of which may be as shown in fig. 3. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The computer program, when executed by a processor, implements a method of ground reliability detection based on pressure detection.
It will be appreciated by those skilled in the art that the structure shown in fig. 3 is merely a block diagram of some of the structures associated with the present application and is not limiting of the computer device to which the present application may be applied, and that a particular computer device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided comprising a memory and a processor, the memory having stored therein a computer program, the processor when executing the computer program performing the steps of:
s1, acquiring environment data of a grounding wire connection part, judging whether the environment data meets grounding requirements, and correspondingly sending out alarm signals if the environment data does not meet the grounding requirements;
s2, judging whether the circuit to be maintained is powered off or not, and if the circuit to be maintained is not powered off, correspondingly sending out a warning signal;
s3, inserting pins of the grounding wire into the soil;
s4, performing stability test on the pins inserted into the soil, judging whether the pins are firmly connected, if so, correspondingly sending out qualified signals and executing the step S5; if not, correspondingly sending out an unqualified signal, enabling an operator to pull out the pin from the soil and reinsert the pin into the soil at other positions, and carrying out a test again;
and S5, the other end of the grounding wire is connected to a power distribution network in a lap joint mode, and the grounding of the power distribution network is completed.
In one embodiment, the environmental data includes: wind power, wind direction, wind speed, precipitation, air temperature, soil hardness, soil humidity and soil pH value.
In one embodiment, the step S2 includes: according to the following steps: the sequence of the circuit breaker, the load side isolating switch and the power supply side isolating switch is that the electric switch is disconnected in sequence, and after the electric switch is discharged for a first preset time, the circuit to be maintained of the power distribution network is detected, so that the existence of residual voltage or induced voltage in the power distribution network is avoided.
In one embodiment, the step S3 includes: the long straight pins are driven into the soil, or pins with helical edges are screwed into the soil.
In one embodiment, the step S4 includes: and detecting the pulling force of the pin inserted into the soil, judging whether the friction force between the pin and the soil is larger than a preset friction force threshold value, and if so, indicating that the pin is firmly connected.
In one embodiment, before the step S5, the method further includes: and detecting the resistance of the grounding wire, judging whether the resistance of the grounding wire is smaller than a preset resistance threshold value, and if not, giving an alarm.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the various embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (10)
1. The grounding reliability detection method based on pressure detection is characterized by comprising the following steps of:
s1, acquiring environment data of a grounding wire connection part, judging whether the environment data meets grounding requirements, and correspondingly sending out alarm signals if the environment data does not meet the grounding requirements;
s2, judging whether the circuit to be maintained is powered off or not, and if the circuit to be maintained is not powered off, correspondingly sending out a warning signal;
s3, inserting pins of the grounding wire into the soil;
s4, performing stability test on the pins inserted into the soil, judging whether the pins are firmly connected, if so, correspondingly sending out qualified signals and executing the step S5; if not, correspondingly sending out an unqualified signal, enabling an operator to pull out the pin from the soil and reinsert the pin into the soil at other positions, and carrying out a test again;
and S5, the other end of the grounding wire is connected to a power distribution network in a lap joint mode, and the grounding of the power distribution network is completed.
2. The pressure detection-based ground reliability detection method of claim 1, wherein the environmental data comprises: wind power, wind direction, wind speed, precipitation, air temperature, soil hardness, soil humidity and soil pH value.
3. The method for detecting the grounding reliability based on the pressure detection according to claim 1, wherein in the step S2, it includes:
according to the following steps: the sequence of the circuit breaker, the load side isolating switch and the power supply side isolating switch is that the electric switch is disconnected in sequence, and after the electric switch is discharged for a first preset time, the circuit to be maintained of the power distribution network is detected, so that the existence of residual voltage or induced voltage in the power distribution network is avoided.
4. The method for detecting the grounding reliability based on the pressure detection according to claim 1, wherein the step S3 includes:
the long straight pins are driven into the soil, or pins with helical edges are screwed into the soil.
5. The method for detecting the grounding reliability based on the pressure detection according to claim 1, wherein the step S4 includes:
and detecting the pulling force of the pin inserted into the soil, judging whether the friction force between the pin and the soil is larger than a preset friction force threshold value, and if so, indicating that the pin is firmly connected.
6. The method for detecting the ground reliability based on the pressure detection according to claim 1, further comprising, before the step S5:
and detecting the resistance of the grounding wire, judging whether the resistance of the grounding wire is smaller than a preset resistance threshold value, and if not, giving an alarm.
7. Ground reliability detecting system based on pressure detection, characterized by comprising:
an environmental data acquisition module: the method comprises the steps of acquiring environment data of a grounding wire connection part, judging whether the environment data meet grounding requirements, and correspondingly sending out alarm signals if the environment data do not meet the grounding requirements;
and the power detection module is used for: the circuit is used for judging whether the circuit to be maintained is powered off or not, and if the circuit is not powered off, a warning signal is correspondingly sent out;
friction test module: and the device is used for detecting the pulling force of the pin inserted into the soil and judging whether the friction force between the pin and the soil is larger than a preset friction force threshold value.
8. The pressure detection-based ground reliability detection system of claim 7, further comprising:
resistance detection module: and the resistor is used for detecting the resistance of the grounding wire and judging whether the resistance of the grounding wire is smaller than a preset resistance threshold value.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 6 when the computer program is executed.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 6.
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| CN115754604A (en) * | 2022-11-22 | 2023-03-07 | 广东电网有限责任公司茂名供电局 | Grounding reliability judgment method and device based on charge loss |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116258485A (en) * | 2023-05-16 | 2023-06-13 | 广东电网有限责任公司茂名供电局 | Seamless docking method of ground wire information reliability and master station system |
| CN116258485B (en) * | 2023-05-16 | 2023-08-04 | 广东电网有限责任公司茂名供电局 | Seamless docking method of ground wire information reliability and master station system |
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