An electric device monitoring apparatus

Abstract

The utility model discloses a kind of electric equipment monitoring devices, including current transformer, the lower end of the right side of current transformer is fixedly installed with terminal stud, the quantity of terminal stud is two, the surface of terminal stud is fixedly installed with cable.The utility model is through the setting of terminal stud, can be used for the wiring connection operation between cable and current transformer, and through the setting of clamping frame, plastic card and clamping boss, personnel is facilitated to the limiting fixation and assembly between protective cover and fixed shell, while, under the cooperation between protective cover, fixed shell, first arc convex edge, rubber sealing gasket, second arc convex edge and arc rubber pad, the surrounding of terminal stud and cable connection place can be protected, effectively avoid that terminal stud is attached with dust or environment erosion and causes short circuit and contact bad due to being exposed to environment, ensure that current transformer can stably operate, improve the security of use.

Description

Technical Field

[0001] This utility model relates to the field of power equipment monitoring technology, specifically to a power equipment monitoring device. Background Technology

[0002] During the operation of a power system, the stable and safe operation of electrical equipment is directly related to the reliability and security of the entire power network. Therefore, real-time monitoring of electrical equipment is crucial. As a core detection component in the monitoring system of electrical equipment, the current transformer is mainly used to convert large currents in power lines into smaller currents according to a certain ratio, providing suitable electrical signals for subsequent monitoring links such as current measurement, metering, and protection. It is a key basic component for realizing the status monitoring and fault early warning of electrical equipment.

[0003] However, the terminals on existing current transformers are usually exposed to the environment without effective protective structures. This makes the terminals susceptible to corrosion from environmental factors such as dust and moisture, leading to oxidation and rust on the terminal surface, increasing contact resistance, and in severe cases, often causing short circuits, which in turn affects the accuracy and safety of current measurement. Utility Model Content

[0004] The purpose of this utility model is to provide an electrical equipment monitoring device with an effective protective structure, which prevents the terminal blocks from being exposed to the environment and subject to dust adhesion or corrosion, thus ensuring the overall stable operation.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a monitoring device for electrical equipment, including a current transformer. Two terminals are fixedly installed on the lower right side of the current transformer. Cables are fixedly installed on the surface of the terminals. A fixing shell is fixedly installed on the lower right side of the current transformer, surrounding the terminals. A snap-fit ​​frame is fixedly connected to the lower ends of both sides of the outer surface of the fixing shell. A first arc-shaped protrusion is fixedly connected to both ends of the right side of the fixing shell. A rubber sealing gasket is adhered between the right end of the fixing shell and the upper end of the first arc-shaped protrusion. Two grooves are provided on the right end of the rubber sealing gasket. The surface of the cable contacts the surface of the groove. A protective cover is provided above the fixing shell. A second arc-shaped protrusion is provided at both ends of the right side of the protective cover. An arc-shaped rubber pad is adhered to the lower end of the second arc-shaped protrusion. Plastic clips are fixedly connected to both sides of the outer surface of the protective cover. A snap-fit ​​protrusion is fixedly connected to the lower end of the plastic clip.

[0006] As a preferred embodiment, two limiting holes are provided at the left end of the top of the outer surface of the fixed shell.

[0007] As a preferred embodiment, a limiting block is fixedly connected to the left end of the top of the outer surface of the protective cover, and the number of the limiting blocks is two.

[0008] As a preferred embodiment, a first reinforcing rib is fixedly connected between the lower end of the first arc-shaped convex edge and the right side of the outer surface of the fixed shell.

[0009] As a preferred embodiment, a second reinforcing rib is fixedly connected between the upper end of the second arc-shaped convex edge and the right side of the outer surface of the protective cover.

[0010] As a preferred embodiment, a mounting plate is fixedly installed at the bottom of the current transformer, and mounting holes are provided at both ends of the mounting plate.

[0011] As a preferred embodiment, a label is affixed to the top of the current transformer.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] This utility model, through the setting of the terminal block, can be used for wiring connection between cables and current transformers. The design, including the snap-fit ​​frame, plastic clip plate, and snap-fit ​​protrusions, facilitates the positioning and assembly of the protective cover and the fixed shell. The combined action of the protective cover, fixed shell, first arc-shaped protrusion, rubber sealing gasket, second arc-shaped protrusion, and arc-shaped rubber gasket effectively protects the area around the connection point between the terminal block and the cable. This effectively prevents the terminal block from being exposed to the environment, causing dust accumulation or environmental corrosion, which could lead to short circuits and poor contact. This ensures stable operation of the current transformer and improves safety during use. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present utility model;

[0015] Figure 2 This is a partial enlarged view of point A in convex 1 of this utility model;

[0016] Figure 3 This is a schematic diagram of the fixed shell structure of this utility model;

[0017] Figure 4 This is a bottom view of the protective cover structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the protective cover and the fixing shell after assembly.

[0019] In the diagram: 1. Current transformer; 2. Identification plate; 3. Mounting plate; 4. Fixing shell; 5. Terminal block; 6. Cable; 7. Protective cover; 8. Rubber sealing gasket; 9. First reinforcing rib; 10. First arc-shaped protrusion; 11. Groove; 12. Limiting hole; 13. Snap-fit ​​frame; 14. Plastic clip plate; 15. Snap-fit ​​protrusion; 16. Limiting insert; 17. Second reinforcing rib; 18. Second arc-shaped protrusion; 19. Arc-shaped rubber pad. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0022] The components in this application, such as the current transformer 1, identification plate 2, mounting plate 3, fixing shell 4, terminal block 5, cable 6, protective cover 7, rubber sealing gasket 8, first reinforcing rib 9, first arc-shaped protrusion 10, groove 11, limiting hole 12, snap-fit ​​frame 13, plastic snap plate 14, snap-fit ​​protrusion 15, limiting plug 16, second reinforcing rib 17, second arc-shaped protrusion 18, and arc-shaped rubber gasket 19, are all general standard parts or parts known to those skilled in the art. Their structure and principle are common knowledge and can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0023] Example 1:

[0024] Please see Figures 1-5As shown, this utility model provides a monitoring device for electrical equipment, including a current transformer 1. Two terminals 5 are fixedly installed on the lower right side of the current transformer 1. Cables 6 are fixedly installed on the surface of the terminals 5. A fixing shell 4 is fixedly installed on the lower right side of the current transformer 1, surrounding the terminals 5. A snap-fit ​​frame 13 is fixedly connected to the lower ends of both sides of the outer surface of the fixing shell 4. A first arc-shaped protrusion 10 is fixedly connected to both ends of the right side of the fixing shell 4. The right end of the fixing shell 4 is connected to the first arc-shaped protrusion 10. A rubber sealing gasket 8 is pasted between the upper ends of the convex edge 10. A groove 11 is provided at the right end of the rubber sealing gasket 8. There are two grooves 11. The surface of the cable 6 contacts the surface of the groove 11. A protective cover 7 is provided on the top of the fixed shell 4. A second arc-shaped convex edge 18 is provided at both ends of the right side of the protective cover 7. An arc-shaped rubber gasket 19 is pasted at the lower end of the second arc-shaped convex edge 18. Plastic clips 14 are fixedly connected to both sides of the outer surface of the protective cover 7. A snap-fit ​​protrusion 15 is fixedly connected to the lower end of the plastic clip 14.

[0025] In this technical solution, during use, the operator installs the cable 6 between the terminal 5 of the current transformer 1, places the two sets of cables 6 into the grooves 11 on the rubber sealing gasket 8, and presses the plastic clips 14 on both sides of the protective cover 7 while placing the protective cover 7 at the opening on the right end of the fixing shell 4. The protective cover 7 is then pushed downwards to allow the snap-fit ​​protrusion 15 and the plastic clip 14 to be inserted into the snap-fit ​​frame 13. This continues until the protective cover 7 and the arc-shaped rubber gasket 19 are in contact with the surfaces of the fixing shell 4 and the cable 6, respectively. Finally, the operator stops pressing the plastic clip 14 and... Under the elastic reset action of plate 14, the snap-fit ​​protrusion 15 can be snapped into the bottom of snap-fit ​​frame 13, thereby limiting and fixing the protective cover 7 and the fixed shell 4. Then, under the cooperation of the protective cover 7, fixed shell 4, first arc-shaped protrusion 10, rubber sealing gasket 8, second arc-shaped protrusion 18 and arc-shaped rubber gasket 19, the area around the connection between terminal 5 and cable 6 can be protected, effectively preventing terminal 5 from being exposed to the environment and being subject to dust adhesion or environmental corrosion, which could cause short circuits and poor contact. This ensures that the current transformer 1 can operate stably and improves the safety of use.

[0026] It should be noted that the current transformer 1, as an existing technology, is one of the important monitoring components of electrical equipment in the power system. Its core function is to convert the large current in the high-voltage circuit into the small current in the low-voltage circuit according to a fixed ratio, so as to facilitate subsequent measurement and protect the safe operation of the equipment.

[0027] Example 2:

[0028] Based on Embodiment 1, this utility model is as follows: Figures 1-5As shown, a limiting hole 12 is opened at the left end of the top of the outer surface of the fixed shell 4, and there are two limiting holes 12. A limiting plug 16 is fixedly connected to the left end of the top of the outer surface of the protective cover 7, and there are two limiting plugs 16. A first reinforcing rib 9 is fixedly connected between the lower end of the first arc-shaped protrusion 10 and the right side of the outer surface of the fixed shell 4. A second reinforcing rib 17 is fixedly connected between the upper end of the second arc-shaped protrusion 18 and the right side of the outer surface of the protective cover 7. A mounting plate 3 is fixedly installed at the bottom of the current transformer 1. Mounting holes are opened at both ends of the mounting plate 3. A label 2 is affixed to the top of the current transformer 1.

[0029] In this technical solution, by setting the limiting hole 12 and the limiting plug 16, during the assembly process between the protective cover 7 and the fixed shell 4, the bent part at the left end of the limiting plug 16 can be inserted into the limiting hole 12, thereby limiting the horizontal direction between the protective cover 7 and the fixed shell 4 and preventing the protective cover 7 and the fixed shell 4 from shifting. By setting the first reinforcing rib 9 and the second reinforcing rib 17, the purpose of strengthening and fixing the first arc-shaped protrusion 10 and the second arc-shaped protrusion 18 is achieved respectively. By setting the mounting plate 3 and the mounting hole, it is convenient for personnel to use bolts to install and fix the current transformer 1. By setting the identification plate 2, the information of the current transformer 1 can be marked.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. A monitoring device for electrical equipment, comprising a current transformer (1), characterized in that: Two terminals (5) are fixedly installed on the lower right side of the current transformer (1). Cables (6) are fixedly installed on the surface of the terminals (5). A fixing shell (4) is fixedly installed on the lower right side of the current transformer (1) and around the terminals (5). A snap-fit ​​frame (13) is fixedly connected to the lower ends of both sides of the outer surface of the fixing shell (4). A first arc-shaped protrusion (10) is fixedly connected to both ends of the right side of the fixing shell (4). A rubber sealing gasket is pasted between the right end of the fixing shell (4) and the upper end of the first arc-shaped protrusion (10). (8) A groove (11) is provided at the right end of the rubber sealing gasket (8). There are two grooves (11). The surface of the cable (6) contacts the surface of the groove (11). A protective cover (7) is provided above the fixed shell (4). A second arc-shaped protrusion (18) is provided at both ends of the right side of the protective cover (7). An arc-shaped rubber pad (19) is pasted at the lower end of the second arc-shaped protrusion (18). Plastic clips (14) are fixedly connected to both sides of the outer surface of the protective cover (7). A snap-fit ​​protrusion (15) is fixedly connected to the lower end of the plastic clip (14).

2. The electrical equipment monitoring device according to claim 1, characterized in that: The top left end of the outer surface of the fixed shell (4) has two limiting holes (12).

3. The electrical equipment monitoring device according to claim 1, characterized in that: The left end of the top of the outer surface of the protective cover (7) is fixedly connected to a limiting plug (16), and there are two limiting plugs (16).

4. The electrical equipment monitoring device according to claim 1, characterized in that: A first reinforcing rib (9) is fixedly connected between the lower end of the first arc-shaped protrusion (10) and the right side of the outer surface of the fixed shell (4).

5. The electrical equipment monitoring device according to claim 1, characterized in that: A second reinforcing rib (17) is fixedly connected between the upper end of the second arc-shaped protrusion (18) and the right side of the outer surface of the protective cover (7).

6. The electrical equipment monitoring device according to claim 1, characterized in that: The bottom of the current transformer (1) is fixedly mounted with a mounting plate (3), and mounting holes are provided at both ends of the mounting plate (3).

7. The electrical equipment monitoring device according to claim 1, characterized in that: A label (2) is affixed to the top of the current transformer (1).

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