Load current monitoring device for grounding circulating current

Abstract

The load current monitoring device comprises a protection frame and a current monitoring body, a heat dissipation bottom plate is arranged at the bottom of the inner side of the protection frame, limiting sills are arranged on the two sides of the heat dissipation bottom plate respectively, the current monitoring body is arranged above the heat dissipation bottom plate, and the limiting sills are arranged on the limiting sills. A display screen is arranged on the surface of the upper portion of the front side of the current monitoring body, current transformers are arranged on the surfaces of the two sides of the middle of the front side of the current monitoring body, and a power control panel is arranged on the surface of the lower portion of the front side of the current monitoring body. Protection measures can be provided for the current monitoring body placed inside, the situation that the outer side surface of the current monitoring body makes direct contact with rainwater in the environment, consequently, the performance and the service life of the device are affected is avoided, and monitoring data are prevented from being abnormal.

Description

Technical Field

[0001] The utility model relates to the technical field of current monitoring, in particular to a load current monitoring device for ground loop current. Background Art

[0002] Ground loop current generally refers to the closed current path formed in the grounding system of the power system. The load current monitoring device is a device used to monitor and measure the load current in the power system. This device is generally used to ensure the stable operation of the system, optimize power distribution, and detect potential power faults.

[0003] At present, the process of detecting the negative charge current that forms a closed current path is not suitable for various environments, including humidity, corrosion, etc., which may affect the performance and life of the device and cause abnormalities in the monitoring data. Utility Model Content

[0004] The purpose of the utility model is to provide a load current monitoring device for ground loop current, which can provide protection measures for the current monitoring body placed inside through a stainless steel protective frame with a round-shaped structure, utilizing the moisture-proof and corrosion-resistant characteristics of stainless steel, to avoid direct contact between the outer surface of the current monitoring body and rainwater in the environment, thereby affecting the performance and life of the device and preventing abnormal monitoring data.

[0005] To achieve the above-mentioned purpose, a load current monitoring device for ground loop current is provided, comprising: a protective frame and a current monitoring body, a heat dissipation base plate is arranged at the bottom inner side of the protective frame, limit thresholds are arranged on both sides of the heat dissipation base plate, a current monitoring body is arranged above the heat dissipation base plate, a display screen is arranged on the upper surface of the front side of the current monitoring body, current transformers are arranged on both sides of the middle surface of the front side of the current monitoring body, a power control panel is arranged on the lower surface of the front side of the current monitoring body, communication interfaces are arranged on both sides of the lower rear side of the current monitoring body, and communication cables are arranged inside the communication interface.

[0006] According to the load current monitoring device for ground loop current, the protection frame is made of stainless steel and has a round-shaped structure.

[0007] According to the load current monitoring device for ground loop current, the heat dissipation base plate has uneven granularity and uniform height, and the heat dissipation base plate is fixedly contacted and connected with the bottom of the protection frame.

[0008] According to the load current monitoring device for ground loop current, two limit thresholds are provided, both of which are made of natural rubber material, and both of which are fixedly contacted and connected with the inner bottom of the protective frame through both sides of the heat dissipation base plate.

[0009] According to the load current monitoring device for ground loop current, the current monitoring body is connected to the support contact above the heat dissipation base plate through the inside of the protection frame.

[0010] According to the load current monitoring device for ground loop current, the upper front surface of the current monitoring body is electrically connected to the display screen, both sides of the middle front side of the current monitoring body are electrically connected to the current transformer, and the lower front surface of the current monitoring body is electrically connected to the power control panel.

[0011] According to the load current monitoring device for ground loop current, the current transformer is electrically connected to the power control panel, and the current transformer is electrically connected to the display screen.

[0012] According to the load current monitoring device for ground loop current, two communication interfaces are provided, both of which are fixedly contacted and connected with both sides of the lower rear side of the current monitoring body, and the communication cable is connected with the current transformer for electrical signal transmission through the communication interface.

[0013] The purpose of the utility model is to provide a load current monitoring device for ground loop current, the main innovations are:

[0014] 1. This load current monitoring device for ground loop current can provide protection measures for the current monitoring body placed inside by setting a protective frame and utilizing the moisture-proof and corrosion-resistant characteristics of stainless steel, so as to avoid the outer surface of the current monitoring body directly contacting with rainwater in the environment, thereby affecting the performance and life of the device and preventing abnormal monitoring data.

[0015] 2. This load current monitoring device for ground loop current can reduce the contact area between the bottom of the current monitoring body and the heat dissipation bottom plate by setting a heat dissipation bottom plate and a limit threshold, which is convenient for heat dissipation of the bottom temperature of the current monitoring body. The limit threshold made of natural rubber material can prevent the current monitoring body from being separated from the inside of the protective frame. When the current monitoring body is not in a working state, one side of the current monitoring body can be pushed to slide and separate from the limit threshold, which is convenient for maintenance and inspection of the current monitoring body.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 A three-dimensional diagram of a load current monitoring device for ground loop current proposed by the utility model;

[0019] Figure 2 A top perspective view of a load current monitoring device for ground loop current proposed by the utility model;

[0020] Figure 3 This is a structural cross-sectional view of a load current monitoring device for ground loop current proposed by the utility model;

[0021] Figure 4 This is a structural explosion diagram of a protection frame of a load current monitoring device for ground loop current proposed by the utility model.

[0022] Legend:

[0023] 1. Protective frame; 2. Current monitoring body; 3. Display screen; 4. Power control panel; 5. Current transformer; 6. Heat dissipation base plate; 7. Communication cable; 8. Communication interface; 9. Limit threshold. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-4 The utility model embodiment is a load current monitoring device for ground loop current, which includes a protection frame 1 and a current monitoring body 2. A heat dissipation base plate 6 is arranged at the bottom of the inner side of the protection frame 1, and limit thresholds 9 are arranged on both sides of the heat dissipation base plate 6. The current monitoring body 2 is arranged above the heat dissipation base plate 6. A display screen 3 is arranged on the upper surface of the front side of the current monitoring body 2. Current transformers 5 are arranged on both sides of the middle surface of the front side of the current monitoring body 2. A power control panel 4 is arranged on the lower surface of the front side of the current monitoring body 2. Communication interfaces 8 are arranged on both sides of the lower rear side of the current monitoring body 2, and communication cables 7 are arranged inside the communication interface 8.

[0026] The protective frame 1 is made of stainless steel and has a circular structure. By setting the protective frame 1 and utilizing the moisture-proof and corrosion-resistant characteristics of stainless steel, protective measures can be provided for the current monitoring body 2 placed inside to prevent the outer surface of the current monitoring body 2 from directly contacting the rain in the environment, thereby affecting the performance and life of the device and preventing abnormal monitoring data. The heat dissipation base plate 6 has uneven granularity and uniform height. The heat dissipation base plate 6 is fixedly contacted and connected with the bottom of the protective frame 1. Two limit thresholds 9 are provided. Both limit thresholds 9 are made of natural rubber. Both limit thresholds 9 are fixedly contacted and connected with the inner bottom of the protective frame 1 through both sides of the heat dissipation base plate 6. The current monitoring body 2 is contacted and connected with the upper support of the heat dissipation base plate 6 through the inside of the protective frame 1. By setting the heat dissipation base plate 6 and the limit threshold 9, the contact area between the bottom of the current monitoring body 2 and the heat dissipation base plate 6 can be reduced, which is convenient for current monitoring. The temperature at the bottom of the measuring body 2 is dissipated, and the limit threshold 9 made of natural rubber can prevent the current monitoring body 2 from being separated from the inside of the protective frame 1. When the current monitoring body 2 is not in a working state, one side of the current monitoring body 2 can be pushed to slide and separate from the limit threshold 9, which is convenient for the maintenance and inspection of the current monitoring body 2. The upper surface of the front side of the current monitoring body 2 is electrically connected to the display screen 3, and both sides of the middle front side of the current monitoring body 2 are electrically connected to the current transformer 5. The lower surface of the front side of the current monitoring body 2 is electrically connected to the power control panel 4, and the current transformer 5 is electrically connected to the power control panel 4. The current transformer 5 is electrically connected to the display screen 3. Two communication interfaces 8 are provided, and the two communication interfaces 8 are fixedly connected to the two sides of the lower rear side of the current monitoring body 2. The communication cable 7 is connected to the current transformer 5 for electrical signal transmission through the communication interface 8.

[0027] Working principle: This load current monitoring device for ground loop current, when in use, starts the power of the power control panel 4 to realize the operation of the current monitoring body 2. By setting up a protective frame 1 and utilizing the moisture-proof and corrosion-resistant characteristics of stainless steel, protective measures can be provided for the current monitoring body 2 placed inside to prevent the outer surface of the current monitoring body 2 from directly contacting the rain in the environment, which may affect the performance and life of the device and prevent abnormal monitoring data. The heat dissipation base plate 6 and the limit threshold 9 can reduce the contact area between the bottom of the current monitoring body 2 and the heat dissipation base plate 6, which is convenient for heat dissipation of the bottom temperature of the current monitoring body 2. The limit threshold 9 made of natural rubber can prevent the current monitoring body 2 from being separated from the inside of the protective frame 1. When the current monitoring body 2 is not in working state, one side of the current monitoring body 2 can be pushed to slide and separate from the limit threshold 9, which is convenient for maintenance and inspection of the current monitoring body 2.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A load current monitoring device for ground loop current, characterized in that: include: A protection frame (1) and a current monitoring body (2), wherein a heat dissipation base plate (6) is arranged at the bottom of the inner side of the protection frame (1), limit thresholds (9) are arranged on both sides of the heat dissipation base plate (6), a current monitoring body (2) is arranged above the heat dissipation base plate (6), a display screen (3) is arranged on the upper surface of the front side of the current monitoring body (2), current transformers (5) are arranged on both sides of the middle surface of the front side of the current monitoring body (2), a power control panel (4) is arranged on the lower surface of the front side of the current monitoring body (2), and communication interfaces (8) are arranged on both sides of the lower rear side of the current monitoring body (2), and a communication cable (7) is arranged inside the communication interface (8).

2. A load current monitoring device for ground loop current according to claim 1, characterized in that: The protective frame (1) is made of stainless steel and has a circular structure.

3. The load current monitoring device for ground loop current according to claim 1, characterized in that: The heat dissipation base plate (6) has uneven granularity and uniform height, and the heat dissipation base plate (6) is fixedly contacted and connected with the bottom of the protection frame (1).

4. A load current monitoring device for ground loop current according to claim 1, characterized in that: Two limit thresholds (9) are provided, and both limit thresholds (9) are made of natural rubber. Both limit thresholds (9) are fixedly contacted and connected to the inner bottom of the protection frame (1) through the two sides of the heat dissipation bottom plate (6).

5. The load current monitoring device for ground loop current according to claim 1, characterized in that: The current monitoring body (2) is connected to the upper support contact of the heat dissipation base plate (6) through the inside of the protection frame (1).

6. The load current monitoring device for ground loop current according to claim 1, characterized in that: The upper front surface of the current monitoring body (2) is electrically connected to the display screen (3), both sides of the middle front side of the current monitoring body (2) are electrically connected to the current transformer (5), and the lower front surface of the current monitoring body (2) is electrically connected to the power control panel (4).

7. A load current monitoring device for ground loop current according to claim 6, characterized in that: The current transformer (5) is electrically connected to the power control panel (4), and the current transformer (5) is electrically connected to the display screen (3).

8. The load current monitoring device for ground loop current according to claim 1, characterized in that: Two communication interfaces (8) are provided, and both communication interfaces (8) are fixedly contacted and connected to both sides of the lower rear side of the current monitoring body (2), and the communication cable (7) is connected to the current transformer (5) for electrical signal transmission via the communication interface (8).

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