CN219122310U

CN219122310U - Intelligent on-line monitoring device for grounding resistor

Info

Publication number: CN219122310U
Application number: CN202221488693.XU
Authority: CN
Inventors: 彭峰; 闫梦祥; 冀义豪; 李付磊; 郑伟
Original assignee: China Southern Power Grid General Aviation Service Co ltd
Current assignee: China Southern Power Grid General Aviation Service Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-06-02
Anticipated expiration: 2032-06-14

Abstract

The utility model provides an intelligent on-line monitoring device for ground resistance, which belongs to the technical field of power distribution network detection and comprises a collection monitor, a first controller and a power supply. The acquisition monitor comprises a main body, wherein a current collector and a voltage collector for collecting the current information and the voltage information of the grounding resistor of the transformer area are arranged in the main body, the current collector is an open-close type current collector, and the voltage collector is an open-close type voltage collector. The main body is also provided with a communication module and a display screen for displaying current information and voltage information of the grounding resistor. The first controller is electrically connected with the communication module, and the power supply provides power for the acquisition monitor. The monitoring device collects current and voltage information on the collection monitor, and has small volume; and the current collector and the voltage collector are convenient to install, so that the equipment is convenient to install in the later stage of the transformer area.

Description

Intelligent on-line monitoring device for grounding resistor

Technical Field

The utility model relates to the technical field of power distribution network detection, in particular to an intelligent on-line monitoring device for ground resistance.

Background

The distribution network generally refers to a power line with the voltage of 10 kilovolts or less, and equipment, facilities, such as power transformation, distribution, protection, control and the like in the line, is an important part for directly supplying power to end users in a power system, and plays an important role in conveying power energy to thousands of households.

In the running process of the power distribution network, the construction of the online monitoring system of the transformer area can realize real-time monitoring on running conditions of low-voltage equipment and lines of the transformer area, and through a perfect system, the user information of the transformer area and the related information of the accounts of the line equipment can be managed and maintained, and the real-time data and the historical real-time data of the transformer area are stored, counted and analyzed, so that the online monitoring system of the transformer area plays an important role in maintaining the safe running of the power distribution network.

The existing online monitoring system for the transformer area can monitor the running condition of the grounding resistance of the transformer area equipment online, but the monitoring system has a complex structure and large equipment volume, and is not beneficial to popularization and use; and the grounding flat iron of the transformer area needs to be detached when the existing transformer area on-line monitoring system collects resistance information, so that the operation is complex, and the later transformer area adding equipment is not facilitated.

Disclosure of Invention

In order to overcome the problems in the related art, the utility model aims to provide an intelligent on-line monitoring device for the grounding resistance, wherein the monitoring device collects current and voltage information on a collection monitor and has small volume; and the current collector and the voltage collector are convenient to install, so that the equipment is convenient to install in the later stage of the transformer area.

An intelligent on-line monitoring device for ground resistance, comprising:

the collecting monitor comprises a main body, wherein a current collector for collecting the current information of the grounding resistor of the platform area and a voltage collector for collecting the voltage information of the grounding resistor are arranged in the main body, the current collector is an open-close type current collector, and the voltage collector is an open-close type voltage collector; the main body is also provided with a communication module and a display screen for displaying current information and voltage information of the grounding resistor;

a first controller electrically coupled to the communication module;

and the power supply provides power for the acquisition monitor.

In the preferred technical scheme of the utility model, a second controller and an alarm device are also arranged in the main body, and the second controller is electrically connected with the current collector, the voltage collector, the alarm device, the display screen and the communication module.

In a preferred technical scheme of the utility model, the current collector comprises a first opening and closing structure and a second opening and closing structure, the first opening and closing structure and the second opening and closing structure are mutually hinged through a rotating shaft, and the first opening and closing structure and the second opening and closing structure are opened and closed through the rotating shaft; the first opening and closing structure is provided with a wiring terminal, and the second opening and closing structure is provided with a current acquisition module.

In a preferred technical scheme of the utility model, a locking column is arranged at one end, far away from the rotating shaft, of the first opening and closing structure, a locking hole corresponding to the locking column is arranged on the second opening and closing structure, and when the first opening and closing structure and the second opening and closing structure are mutually closed, the locking column is embedded into the locking hole.

In the preferred technical scheme of the utility model, an auxiliary locking buckle is further arranged on the side wall of the first opening and closing structure, and an auxiliary locking groove corresponding to the auxiliary locking buckle is arranged on the second opening and closing structure; when the first opening and closing structure and the second opening and closing structure are mutually closed, the auxiliary locking buckle is embedded into the auxiliary locking groove.

In the preferred technical scheme of the utility model, the auxiliary locking buckle and the locking column are provided with self-locking alarms, and the self-locking alarms are electrically connected with the second controller.

In a preferred technical scheme of the utility model, the communication module is a WIFI module, and the WIFI module is electrically coupled to the first controller.

In a preferred technical scheme of the utility model, the power supply comprises a first power supply and a second power supply, wherein the first power supply and the second power supply are electrically connected with the acquisition monitor, and the first power supply is electrically connected with the second power supply through a charging circuit.

In a preferred technical scheme of the utility model, the power supply further comprises a solar panel, and the solar panel is electrically connected with the first power supply.

In a preferred technical scheme of the utility model, a waterproof shell is arranged on the periphery of the main body.

The beneficial effects of the utility model are as follows:

the intelligent on-line monitoring device for the grounding resistance comprises the acquisition monitor, the first controller and the power supply, wherein the acquisition monitor comprises the current collector and the voltage collector for acquiring the current information and the voltage information of the grounding resistance of the transformer area, so that the current and the voltage are acquired integrally, the volume is small, the use is convenient, the opening and closing type voltage and current collectors can be used for acquiring the grounding flat iron of the transformer area without breaking and dismantling the transformer area, and the device is beneficial to the later installation of the transformer area. The acquisition monitor further comprises a display screen and a communication module, current and voltage information of the acquired grounding resistor are intuitively displayed through the display screen, so that an maintainer can judge whether the state of the grounding resistor is abnormal or not, the acquisition monitor is connected with the first controller through the communication module, and cloud control of acquisition monitoring is achieved through the first controller. In summary, the monitoring device collects and monitors on the collection monitor, so that the whole device is small in size, the information collection of the grounding resistor is convenient, the on-line monitoring can be realized, and the use is convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of an intelligent on-line monitoring device for ground resistance provided by the utility model;

fig. 2 is a schematic structural diagram of the current collector provided by the utility model.

Reference numerals:

100. collecting a monitor; 110. an alarm device; 120. a current collector; 130. a voltage collector; 140. a communication module; 150. a second controller; 160. a display screen; 200. a power supply; 210. a first power supply; 220. a second power supply; 230. a solar panel; 300. a first controller; 1201. a first opening and closing structure; 1202. a second opening and closing structure; 1203. locking the column; 1204. a locking hole; 1205. auxiliary locking buckles; 1206. an auxiliary locking groove; 1207. a rotating shaft; 1208. a connection terminal; 12021. a current collection module; 12031. a self-locking alarm.

Detailed Description

Preferred embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the utility model. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 1-2, an intelligent on-line monitoring device for ground resistance includes a collection monitor 100, a first controller 300, and a power supply 200.

The collection monitor 100 comprises a main body, wherein a current collector 120 for collecting the current information of the grounding resistor of the transformer area and a voltage collector 130 for collecting the voltage information of the grounding resistor are arranged in the main body; the acquisition monitor 100 is further provided with a display screen 160 and a communication module 140, and the first controller 300 is electrically coupled with the acquisition monitor 100 through the communication module 140; the power supply 200 provides power to the acquisition monitor 100.

The above-mentioned ground resistance intelligence on-line monitoring device, this monitoring device is including gathering monitor 100, first controller 300 and power supply 200, gather monitor 100 including being used for gathering district ground resistance electric current information, voltage information's current collector 120 and voltage collector 130, collect electric current, voltage collection in an organic whole, small in size, convenient to use, open-close formula voltage, current collector 120 gather monitor 100 need not broken ground band iron of tearing open the district and can install in addition, be favorable to district later stage installs additional equipment. The collection monitor 100 further comprises a display screen 160 and a communication module 140, and the collected current and voltage information of the grounding resistor is intuitively displayed through the display screen 160, so that an maintainer can judge whether the grounding resistor state is abnormal, the collection monitor 100 is connected with the first controller 300 through the communication module 140, and cloud control of collection monitoring is achieved through the first controller 300. In summary, the monitoring device collects and monitors on the collection monitor 100, so that the whole device is small in size, the information collection of the grounding resistor is convenient, the on-line monitoring can be realized, and the use is convenient.

Further, a second controller 150 and an alarm device 110 are further disposed in the main body, and the second controller 150 is electrically coupled to the current collector 120, the voltage collector 130, the alarm device 110, the display screen 160 and the communication module 140. The second controller may use an existing microprocessor to process the data collected by the current collector 120 and the voltage collector 130, and perform the down control. More specifically, the second controller 150 may be a single-chip microcomputer.

More specifically, the power supply 200 is electrically connected to the collection monitor 100, the collection monitor 100 is installed at a ground resistor of a distribution area, and the collection monitor 100 may be connected to the first controller 300 to operate, or may not be connected to the first controller 300 to directly operate locally. The second controller 150 is provided with a chip, and after the chip is programmed by a programmer, the chip can determine whether the grounding resistance is abnormal according to the current information and the voltage information of the grounding resistance collected by the current collector 120 and the voltage collector 130. It should be noted that, how the procedure of determining whether the grounding resistor is not what is to be protected in the present application is that the present application only uses the existing processor to implement the local operation of the acquisition monitor 100, and the second controller 150 can store the operation status data of the grounding resistor. An operator can access and view the operation information of the grounding resistor through the display screen 160, so that the judgment and the processing of the operation condition of the grounding resistor can be completed without the background control of the first controller 300. In a more specific embodiment, the alarm device 110 of the present application may be a buzzer, after the buzzer is connected with the second controller 150, when the second controller 150 determines that the running condition of the grounding resistor is abnormal, that is, the alarm is given by the buzzer, and after receiving the alarm information of the buzzer, a nearby maintainer can perform fault investigation on the grounding resistor of the platform area at the first time, so that the fault investigation efficiency of the grounding resistor is saved, and the safe and efficient running of the distribution network platform area is ensured.

In a more preferred embodiment, the current collector 120 is an open-close type current collector 120, and the voltage collector 130 is an open-close type voltage collector 130. In this embodiment, the current collector 120 and the voltage collector 130 are used to collect the current and voltage information of the grounding resistor, so that the grounding resistor can be directly installed without breaking the grounding flat iron or the shade wire of the split network area, and equipment can be conveniently installed in the area in the use process.

More specifically, the current collector 120 includes a first opening and closing structure 1201 and a second opening and closing structure 1202, where the first opening and closing structure 1201 and the second opening and closing structure 1202 are hinged to each other through a rotation shaft 1207; the first opening and closing structure 1201 is provided with a connecting terminal 1208, and the second opening and closing structure 1202 is provided with a current collecting module 12021. More specifically, the current collection module 12021 is electrically connected to the connection terminal 1208, and the current collection module 12021 is a mutual inductance current collector 120, and it should be noted that after the current collection module 12021 is mounted on the second opening and closing structure 1202, electrical safety isolation needs to be made to avoid electric leakage. In a more specific embodiment, the structure of the voltage collector 130 is the same as that of the current collector 120, except that a voltage collecting module is mounted on the voltage collector 130 for collecting voltage information. More specifically, in practical applications, the first opening and closing structure 1201 may be a fixed part, the second opening and closing structure 1202 is a movable part, and the second opening and closing structure 1202 are opened and closed to each other so as to be mounted on a ground resistor.

In a preferred embodiment, a locking post 1203 is disposed at an end of the first opening and closing structure 1201 away from the rotation shaft 1207, a locking hole 1204 corresponding to the locking post 1203 is disposed on the second opening and closing structure 1202, and the locking post 1203 is embedded into the locking hole 1204 when the first opening and closing structure 1201 and the second opening and closing structure 1202 are mutually folded.

Further, an auxiliary locking buckle 1205 is further provided on the side wall of the first opening and closing structure 1201, and an auxiliary locking groove 1206 corresponding to the auxiliary locking buckle 1205 is provided on the second opening and closing structure 1202; when the first opening and closing structure 1201 and the second opening and closing structure 1202 are mutually closed, the auxiliary locking buckle 1205 is embedded in the auxiliary locking groove 1206.

The first opening and closing structure 1201 and the second opening and closing structure 1202 to be protected in the present application are locked by the locking post 1203 cooperating with the locking hole 1204 and the auxiliary locking buckle 1205 cooperating with the auxiliary locking slot 1206. In practical application, the locking hole 1204 on the second opening and closing structure 1202 is first embedded into the locking post 1203, so as to realize the first fixation of the first opening and closing structure 1201 and the second opening and closing structure 1202. After the second opening and closing structure 1202 and the first opening and closing structure 1201 are locked, the auxiliary locking buckle 1205 is locked into the auxiliary locking groove 1206, so as to fix the first opening and closing structure 1201 and the second opening and closing structure 1202 for the second time. By the double fixing of the first opening and closing structure 1201 and the second opening and closing structure 1202, the installation is firm, so that the operation stability of the current collector 120 can be ensured.

Further, the auxiliary locking buckle 1205 and the locking post 1203 are both provided with a self-locking alarm 12031, and the self-locking alarm 12031 is electrically connected to the second controller 150. The self-locking alarm 12031 is provided with an alarm program, the self-locking alarm 12031 is an inductor, and the self-locking alarm 12031 enters an alarm state after the first opening and closing structure 1201 and the second opening and closing structure 1202 are mutually locked. If the self-locking alarm 12031 is forcibly detached due to external force, the self-locking alarm 12031 is started to give an alarm to remind an maintainer. More specifically, the self-locking alarm 12031 is electrically coupled to the second controller 150, and the alarm state of the self-locking alarm 12031 may be released by the second controller 150.

Further, the communication module 140 is a WIFI module, and the WIFI module is electrically coupled to the first controller 300. The first controller 300 may be a computer, and after the WIFI module is connected with the computer, the remote control of the collection monitor 100 may be implemented, and the operation status of the ground resistor may be monitored remotely.

In a preferred embodiment, the power supply 200 includes a first power source 210 and a second power source 220, the first power source 210 and the second power source 220 are electrically coupled to the collection monitor 100, and the first power source 210 is electrically coupled to the second power source 220 through a charging circuit. Still further, the power supply 200 further includes a solar panel 230, and the solar panel 230 is electrically coupled to the first power supply 210. The power supply 200 of the present application adopts a design of two power supplies, both of which can supply power to the acquisition monitor 100, and the second power supply 220 plays a standby role, and can continue to supply power to the acquisition monitor 100 after the first power supply 210 fails. In addition, the first power source 210 is charged through the solar panel 230, so that the energy consumption of the whole device can be reduced.

Further, a waterproof shell is arranged on the periphery of the main body. In practical application, waterproof grade of waterproof casing is IP67, waterproof casing can be the shell of main part, waterproof casing can prevent steam entering in the main part, has avoided steam invasion to lead to the electrical components in the main part to fail normal work.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application. The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An intelligent on-line monitoring device for ground resistance, comprising:

the collecting monitor (100), the collecting monitor (100) comprises a main body, wherein a current collector (120) for collecting the current information of the grounding resistor of the platform area and a voltage collector (130) for collecting the voltage information of the grounding resistor are arranged in the main body, the current collector (120) is an open-close type current collector (120), and the voltage collector (130) is an open-close type voltage collector (130); the main body is also provided with a communication module (140) and a display screen (160) for displaying current information and voltage information of the grounding resistor; the current collector (120) comprises a first opening and closing structure (1201) and a second opening and closing structure (1202), the first opening and closing structure (1201) and the second opening and closing structure (1202) are mutually hinged through a rotating shaft (1207), and the first opening and closing structure (1201) and the second opening and closing structure (1202) are opened and closed through the rotating shaft (1207); a wiring terminal (1208) is arranged on the first opening and closing structure (1201), and a current acquisition module (12021) is arranged on the second opening and closing structure (1202);

-a first controller (300), the first controller (300) being electrically coupled with the communication module (140);

and the power supply (200) is used for providing power for the acquisition monitor (100).

2. The intelligent on-line monitoring device for ground resistance according to claim 1, wherein:

the main body is also provided with a second controller (150) and an alarm device (110), wherein the second controller (150) is electrically connected with the current collector (120), the voltage collector (130), the alarm device (110), the display screen (160) and the communication module (140).

3. The intelligent on-line monitoring device for ground resistance according to claim 2, wherein:

one end of the first opening and closing structure (1201) far away from the rotating shaft (1207) is provided with a locking column (1203), the second opening and closing structure (1202) is provided with a locking hole (1204) corresponding to the locking column (1203), and when the first opening and closing structure (1201) and the second opening and closing structure (1202) are mutually folded, the locking column (1203) is embedded into the locking hole (1204).

4. The intelligent on-line monitoring device for ground resistance according to claim 3, wherein:

an auxiliary locking buckle (1205) is further arranged on the side wall of the first opening and closing structure (1201), and an auxiliary locking groove (1206) corresponding to the auxiliary locking buckle (1205) is arranged on the second opening and closing structure (1202); when the first opening and closing structure (1201) and the second opening and closing structure (1202) are mutually closed, the auxiliary locking buckle (1205) is embedded into the auxiliary locking groove (1206).

5. The intelligent on-line monitoring device for ground resistance according to claim 4, wherein:

the auxiliary locking buckle (1205) and the locking column (1203) are provided with a self-locking alarm (12031), and the self-locking alarm (12031) is electrically connected with the second controller (150).

6. The intelligent on-line monitoring device for ground resistance according to any one of claims 1-5, wherein:

the communication module (140) is a WIFI module, and the WIFI module is electrically connected with the first controller (300).

7. The intelligent on-line monitoring device for ground resistance according to any one of claims 1-5, wherein:

the power supply (200) comprises a first power supply (210) and a second power supply (220), the first power supply (210) and the second power supply (220) are electrically coupled with the acquisition monitor (100), and the first power supply (210) is electrically coupled with the second power supply (220) through a charging circuit.

8. The intelligent on-line monitoring device for ground resistance according to claim 7, wherein:

the power supply (200) further includes a solar panel (230), the solar panel (230) being electrically coupled to the first power source (210).

9. The intelligent on-line monitoring device for ground resistance according to any one of claims 1-5, wherein:

the periphery of the main body is provided with a waterproof shell.