Intelligent grounding wire device

Abstract

The invention provides an intelligent grounding wire device, which is used for automatically monitoring a grounding wire, and comprises a grounding wire unit, a grounding unit and a control unit, the current sensor is connected with the ground wire unit and used for measuring current flowing through the ground wire unit; and the pulse generation unit is connected with the grounding wire unit and is used for periodically providing a pulse signal. The current sensor is arranged on the grounding wire unit, so that whether electric leakage occurs in the electrical equipment connected with the grounding wire unit or not can be detected; in addition, by arranging the pulse generation unit, whether the grounding wire works normally or not can be automatically judged. Therefore, the self-monitoring of the grounding wire and the automatic leakage monitoring of the electrical equipment are realized, and the labor cost is saved.

Description

Technical Field

[0001] The invention relates to the field of electrical monitoring, and in particular to an intelligent grounding wire device. Background Art

[0002] The grounding wire is a wire that connects the metal casing of electrical equipment to the earth. Its main function is to protect personal safety and normal operation of equipment. When electrical equipment leaks or shorts to the ground, the grounding wire can provide personnel with a way to discharge the current to avoid electric shock accidents. At the same time, the grounding wire can also maintain the normal voltage of the electrical equipment to ensure its normal operation.

[0003] Given the important role played by grounding wires, it is very important to ensure their normal use. However, the inspection cycle of grounding wires varies depending on the type of equipment and the environment in which they are used. Generally speaking, grounding wires should be fully inspected before being put into use, and then at least once a year. For equipment that is frequently used, the inspection cycle should be shortened appropriately. For some important places, such as hospitals, laboratories, computer rooms, etc., grounding wires should be regularly inspected to ensure their stable performance. Because the current inspection measures mainly rely on manual labor, this has caused certain labor cost pressures on the relevant units, and this inspection method also lacks certain flexibility and has the disadvantage of not being able to detect potential problems in a timely manner. Therefore, a cost-effective and intelligent grounding wire monitoring method is needed. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an intelligent grounding wire device, which mainly solves the problem that the prior art lacks an economical, effective and intelligent grounding wire monitoring method.

[0005] The objective of the present invention is achieved through the following solutions:

[0006] According to an embodiment of the present invention, there is provided an intelligent grounding wire device for self-monitoring of the grounding wire, comprising: a grounding wire unit for grounding any electrical equipment; a current sensor connected to the grounding wire unit for measuring the current flowing through the grounding wire unit; and a pulse generating unit connected to the grounding wire unit for periodically providing a pulse signal.

[0007] According to an embodiment of the present invention, the generation period of the pulse generating unit is adjustable.

[0008] According to an embodiment of the present invention, a generation period of the pulse generating unit is set based on an inspection period of the ground line.

[0009] According to an embodiment of the present invention, the inspection period is one month, two months, one quarter, half a year or one year.

[0010] According to an embodiment of the present invention, the intelligent grounding wire device also includes a recording and analysis module, which saves the current changes measured by the current sensor and determines whether the current changes include periodically changing currents and non-periodically changing currents.

[0011] According to an embodiment of the present invention, the intelligent grounding wire device further includes a warning module, which generates a warning message based on the judgment result of the recording and analysis module.

[0012] According to an embodiment of the present invention, a warning message is generated based on the judgment result of the recording and analysis module: when there is no periodically changing current or any current, a ground wire not connected message is generated; when there is a periodically changing current and a non-periodically changing current, a leakage message is generated.

[0013] According to an embodiment of the present invention, the intelligent grounding wire device further comprises a communication module, which is used to send current information and a warning message to an object that is in communication connection with the intelligent grounding wire device.

[0014] According to an embodiment of the present invention, the intelligent grounding wire device further comprises a network module, which is used to send current information and warning messages to a server connected to the network of the intelligent grounding wire device.

[0015] According to an embodiment of the present invention, the intelligent grounding wire device further includes a display unit for displaying current information and warning messages.

[0016] Compared with the prior art, the present invention has the following beneficial effects: by deploying a current sensor on the grounding wire unit, it is possible to detect whether the electrical equipment connected thereto has leakage; in addition, by deploying a pulse generation unit, it is possible to judge whether the grounding wire is working normally; and by expanding some peripheral circuits, the functions of data storage, analysis, warning, communication and uploading can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The embodiments of the present invention are further described below with reference to the accompanying drawings:

[0018] Figure 1 A structural block diagram of an intelligent grounding wire device according to an embodiment of the present invention; DETAILED DESCRIPTION

[0019] Before proceeding to the following detailed description, it may be advantageous to set forth the definitions of certain words and phrases used throughout this patent document. The terms "coupling", "connection" and their derivatives refer to any direct or indirect communication or connection between two or more elements, regardless of whether those elements are in physical contact with each other. The terms "transmission", "reception" and "communication" and their derivatives cover direct and indirect communication. The terms "include" and "comprising" and their derivatives refer to including but not limited to. The term "or" is inclusive, meaning and / or. The phrase "associated with..." and its derivatives refer to including, including within, interconnecting, containing, contained within, connecting or connecting with, coupling or coupling with, communicating with, cooperating, interweaving, parallel, close to, binding or binding with, having, having attributes, having a relationship or having a relationship with, etc. The term "controller" refers to any device, system or part thereof that controls at least one operation. Such a controller can be implemented with hardware, or a combination of hardware and software and / or firmware. The functions associated with any particular controller can be centralized or distributed, whether local or remote. The phrase "at least one of", when used with a list of items, means that different combinations of one or more of the listed items may be used, and only one of the items in the list may be required. For example, "at least one of A, B, C" includes any of the following combinations: A, B, C, A and B, A and C, B and C, A and B and C.

[0020] Definitions for other specific words and phrases are provided throughout this patent document. Those of ordinary skill in the art should understand that in many, if not most instances, such definitions apply to prior and future uses of such defined words and phrases.

[0021] In this patent document, the application combination of modules and the division level of sub-modules are only used for illustration, and the application combination of modules and the division level of sub-modules may have different forms without departing from the scope of the present disclosure.

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below through specific embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] As described in the background technology, the prior art lacks an economical, effective and intelligent ground wire monitoring method. Figure 1As shown, an embodiment of the present invention provides an intelligent grounding wire device 100 for self-monitoring of grounding wires, including: a grounding wire unit 110, used to ground any electrical equipment; a current sensor 120, connected to the grounding wire unit 110, used to measure the current flowing through the grounding wire unit 110; a pulse generating unit 130, connected to the grounding wire unit 110, used to periodically provide a pulse signal. By deploying the current sensor 120 on the grounding wire unit 110, it is possible to detect whether the electrical equipment connected thereto has leakage; in addition, by deploying the pulse generating unit 130, it is possible to determine whether the grounding wire is working normally. This realizes self-monitoring of the grounding wire and automatic leakage monitoring of electrical equipment, saving labor costs.

[0024] In detail, examples of electrical equipment include, but are not limited to, indoor low-voltage distribution cabinets, outdoor low-voltage distribution cabinets, and high-voltage distribution boards. The current sensor can only determine whether a leakage occurs based on the measured current when the connection is correct. For example, when a current change occurs, this means that the equipment has a leakage. However, when no current change occurs, it cannot be 100% certain that the equipment has no leakage. The reason is that this may also mean that the ground wire is disconnected. Therefore, a pulse generating unit that periodically provides a pulse signal combined with a current sensor can ensure that the ground wire is monitored to see if it is connected normally, thereby monitoring the status of both the ground wire and the electrical equipment.

[0025] The current sensor can be any sensor that can detect leakage signals and pulse signals of electrical equipment. However, it is preferred to use a low-power sensor to extend the life of the sensor and reduce the number of replacements.

[0026] Similarly, the pulse generating unit is preferably miniaturized. In addition, it can be configured to have its own power supply or be powered by nearby power equipment according to different application scenarios.

[0027] In addition, in order to meet more application scenarios, according to an embodiment of the present invention, the generation cycle of the pulse generating unit is adjustable. As described in the background technology, the inspection cycle of the grounding wire varies from a few weeks to a few years due to its location and environment. Therefore, it is not necessary to frequently test the grounding wire with a long inspection cycle, so a pulse generating unit with an adjustable test cycle is beneficial. In detail, in order to save energy as much as possible while meeting the monitoring requirements, according to an embodiment of the present invention, the generation cycle of the pulse generating unit is set based on the inspection cycle of the grounding wire. In detail, according to an embodiment of the present invention, the inspection cycle is one month, two months, one quarter, half a year or one year. For example, when the inspection cycle of the grounding wire is one month, the generation cycle of the pulse generating unit can be one month. And when the inspection cycle of the grounding wire is one quarter, the generation cycle of the pulse generating unit can be one quarter. Through such a setting, the grounding wire can be fully automatically inspected to achieve the effect of the original manual inspection, but without consuming labor costs. Of course, the generation cycle of the pulse generating unit can be set shorter to obtain more comprehensive, rich and timely detection information without paying the large amount of labor costs originally required.

[0028] In order to better understand the current changes on the grounding wire, according to an embodiment of the present invention, the intelligent grounding wire device also includes a recording and analysis module, which saves the current changes measured by the current sensor and determines whether the current changes include periodic current changes and non-periodic current changes. On the one hand, the status of the grounding wire and the electrical equipment can be directly judged based on the collected data, and on the other hand, the grounding wire and the electrical equipment can be analyzed in a deeper level based on all these data. In addition, the retention of these data can be used for viewing later when needed.

[0029] In addition, in order to better display data and provide operation suggestions to relevant responsible personnel, according to an embodiment of the present invention, the intelligent grounding wire device also includes a warning module, which generates a warning message based on the judgment result of the recording and analysis module. In detail, the warning needs to reflect at least the grounding wire information and the electrical equipment information. According to an embodiment of the present invention, the warning message generated based on the judgment result of the recording and analysis module is: when there is no periodically changing current or any current, a grounding wire unconnected message is generated; when there is a periodically changing current and a non-periodically changing current, a leakage message is generated. When it is detected that two signals are not detected within a generation cycle of the pulse generation unit, it can be judged that the grounding wire is not connected; when a periodic signal is detected, it can be judged that the grounding wire is connected; and when there is a non-periodic signal, there is leakage. The leakage message can remind relevant personnel of the status of the electrical equipment, so that the electrical equipment can be repaired in time and appropriate protection needs to be taken.

[0030] In addition, in order to better convey the above-mentioned warning message, according to an embodiment of the present invention, the intelligent grounding wire device also includes a communication module for sending current information and warning messages to an object that is communicatively connected to the intelligent grounding wire device. The communication module includes a short-distance communication module, a long-distance communication (lora) module, a 4G module, and a 5G module. The specific use depends on the specific application scenario. In addition, the objects of the communication connection include communication terminals (such as smart terminals such as mobile phones) and repeaters, etc. Based on the communication connection, relevant personnel can monitor remotely at any time.

[0031] In addition, in order to make data transmission more intelligent, according to an embodiment of the present invention, the intelligent grounding wire device further includes a network module for sending current information and warning messages to a server connected to the network of the intelligent grounding wire device. The network module may include a WIFI module. Further, the intelligent terminal can access this information from the server through the network, and can also monitor remotely at any time. This makes storage more convenient and access more convenient.

[0032] In addition, in order to display the obtained information more user-friendly, according to an embodiment of the present invention, the intelligent grounding wire device further includes a display unit for displaying current information and warning messages. Through the display unit, the status information of the grounding wire and the electrical equipment can be more intuitively understood.

[0033] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. An intelligent grounding wire device, used for self-monitoring of grounding wires, characterized in that: include: A grounding wire unit is used to ground any electrical equipment; A current sensor, connected to the grounding wire unit, and used to measure the current flowing through the grounding wire unit; The pulse generating unit is connected to the grounding line unit and is used to periodically provide a pulse signal.

2. The intelligent grounding wire device according to claim 1, characterized in that: The generation period of the pulse generating unit is adjustable.

3. The intelligent grounding wire device according to claim 1, characterized in that: The generation cycle of the pulse generating unit is set based on the inspection cycle of the ground line.

4. The intelligent grounding wire device according to claim 3, characterized in that: The inspection cycle is one month, two months, one quarter, half a year or one year.

5. The intelligent grounding wire device according to claim 1, characterized in that: The system also includes a recording and analysis module, which stores the current change measured by the current sensor and determines whether the current change includes a periodically changing current and a non-periodically changing current.

6. The intelligent grounding wire device according to claim 5, characterized in that: It also includes a warning module, which generates a warning message based on the judgment result of the recording and analysis module.

7. The intelligent grounding wire device according to claim 6, characterized in that: The warning message generated based on the judgment results of the recording and analysis modules is: When there is no periodically changing current or any current, a ground wire not connected message is generated; When there is a periodically changing current as well as a non-periodically changing current, a leakage occurrence message is generated.

8. The intelligent grounding wire device according to claim 6, characterized in that: The device also includes a communication module for sending current information and a warning message to an object that is communicatively connected with the intelligent grounding wire device.

9. The intelligent grounding wire device according to claim 6, characterized in that: The intelligent grounding wire device also includes a network module for sending current information and warning messages to a server connected to the intelligent grounding wire device network.

10. The intelligent grounding wire device according to claim 6, characterized in that: The device also includes a display unit for displaying current information and warning messages.

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