Current transformer with dustproof function

Abstract

The utility model relates to the technical field of current transformers, and provides a current transformer with a dustproof function, which comprises a current transformer assembly and a through groove, and the current transformer assembly comprises a current transformer body, a mounting plate, a mounting hole and a protective layer. The limiting structure is arranged, the limiting plate is moved to one side of the current transformer body, one end of the clamping block abuts against one end of the clamping groove, the limiting plate is pushed, the limiting plate drives the clamping block to move into the clamping groove through the connecting block, and then the limiting plate and the current transformer body are mutually fixed. A circuit penetrates through the through groove and is moved to one side of the clamping base, the circuit is pressed to be moved into the clamping base, then the clamping base and the circuit are clamped and fixed through the wire clamping groove, the phenomenon that the circuit is disordered and staggered is avoided, and the function that the device is convenient to limit is achieved; therefore, the applicability of the current transformer with the dustproof function in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of current transformers, in particular to a current transformer with a dustproof function. Background Art

[0002] A current transformer is an instrument that converts a large primary current into a small secondary current for measurement based on the principle of electromagnetic induction. In power systems, current transformers are usually used to protect and control equipment to ensure the normal operation of the system. They can monitor the magnitude and direction of the current and generate a low current output signal proportional to the current. When in use, in order to avoid dust causing poor contact, short circuit and other faults at the terminal, a current transformer with dustproof function is used.

[0003] The existing current transformer with dustproof function is inconvenient to limit when in use. When the number of through-core turns is large, the lines are prone to chaotic and staggered distribution, which makes it less applicable when in use. Utility Model Content

[0004] The utility model aims to provide a current transformer with a dustproof function, so as to solve the defect that the existing current transformer with a dustproof function is inconvenient to limit.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a current transformer with dustproof function, comprising a current transformer assembly and a through slot;

[0006] The current transformer assembly comprises a current transformer body, a mounting plate, a mounting hole and a protective layer, the mounting plate is fixed to the bottom end of the current transformer body, mounting holes are evenly arranged on both sides of the mounting plate, a through groove is arranged in the middle of the current transformer body, and a protective layer is arranged on the outer wall of the current transformer body;

[0007] Both sides of the current transformer body are provided with a limiting structure, the limiting structure comprises a limiting plate, a clamping seat, a clamping groove, a clamping block and a connecting block, and the limiting plate is provided on both sides of the current transformer body;

[0008] Both sides of the top of the current transformer body are provided with wiring terminals, and a fixing structure is provided at the top of the current transformer body above the wiring terminals.

[0009] When using the device, by setting a limiting structure, the function of facilitating limiting of the device is realized, thereby improving the applicability of the current transformer with dustproof function when in use; by setting a fixed structure, the function of facilitating protection of the device is realized, thereby improving the convenience of the current transformer with dustproof function when in use.

[0010] Preferably, the mounting holes are symmetrically distributed on both sides of the mounting plate, and the protective layer is actually an epoxy resin waterproof coating. The protective layer is actually an epoxy resin waterproof coating, which is a material with the characteristics of wear resistance, waterproof and anti-corrosion, good acid resistance, etc. At the same time, it has good water resistance, corrosion resistance, weather resistance and other characteristics. Under the action of the protective layer, the resistance of the current transformer body is enhanced.

[0011] Preferably, a clamping seat is evenly fixed on one side of the limit plate, and clamping grooves are evenly arranged at both ends of one side of the limit plate inside the current transformer body, and clamping blocks are arranged inside the clamping grooves, and a connecting block is fixed on one side of the clamping blocks. The limit plate is moved to one side of the current transformer body, so that one end of the clamping block contacts one end of the clamping groove, and the limit plate is pushed. The limit plate drives the clamping block to move to the inside of the clamping groove through the connecting block, thereby fixing the limit plate and the current transformer body to each other.

[0012] Preferably, a wire clamping groove is provided on one side of the clamping seat away from the limit plate, and the clamping block and the current transformer body form a clamping structure through the clamping groove. The line is moved to one side of the clamping seat through the through groove, and the line is pressed to move it to the inside of the clamping seat, so that the clamping seat and the line are clamped and fixed to each other through the wire clamping groove, thereby avoiding the phenomenon of chaotic interlacing of the lines.

[0013] Preferably, the main cross-section of the clamping groove is designed in a "T" shape, and one end of the connecting block extends to the outside of the current transformer body and is fixedly connected to one side of the limit plate. The limit plate is pulled to separate the limit plate and the current transformer body, and a clamping seat matching the circuit can be installed.

[0014] Preferably, the fixing structure includes a protective cover, a first magnetic block, a limiting hole and a rubber sheet, the protective cover is arranged at the top of the current transformer body above the wiring terminal, the first magnetic block is fixed on both sides of the bottom end of the protective cover, the limiting holes are arranged at both ends of one side of the inner side of the protective cover, and the rubber sheet is evenly fixed on the inner wall of the limiting hole. The protective cover is pulled out to separate the first magnetic block from the second magnetic block, and one end of the circuit is fixed on the wiring terminal through the limiting hole.

[0015] Preferably, a second magnetic block is arranged inside the current transformer body at the bottom end of the first magnetic block, and the rubber sheets are evenly spaced inside the limiting hole. The protective cover is covered on the top of the wiring terminal, and the protective cover drives the first magnetic block to contact the second magnetic block. Under the action of the first magnetic block and the second magnetic block, the protective cover is fixed on the top of the current transformer body, and under the action of the protective cover and the evenly spaced rubber sheets, it plays a dustproof role.

[0016] The utility model provides a current transformer with dustproof function, which has the advantages of:

[0017] By setting a limit structure, the limit plate is moved to one side of the current transformer body, so that one end of the clamping block abuts against one end of the clamping groove. Push the limit plate, and the limit plate drives the clamping block to move into the clamping groove through the connecting block, thereby fixing the limit plate and the current transformer body to each other. Move the line through the through groove to one side of the clamping seat, press the line to make it move into the clamping seat, and then the clamping seat and the line are clamped and fixed to each other through the wire clamping groove, avoiding the phenomenon of the line being chaotic and intertwined. Pull the limit plate to separate the limit plate from the current transformer body, and a clamping seat matching the line can be installed, realizing the function of facilitating the limit of the device, thereby improving the applicability of the current transformer with a dust-proof function during use;

[0018] By setting a fixing structure, pull the protective cover to separate the first magnetic block from the second magnetic block. Pass one end of the line through the limit hole and fix it on the wiring terminal. Cover the protective cover on the wiring terminal. The protective cover drives the first magnetic block to contact the second magnetic block. Under the action of the first magnetic block and the second magnetic block, the protective cover is fixed to the top of the current transformer body. Under the action of the protective cover and the equally spaced rubber sheets, it plays a role in dust prevention, realizing the function of facilitating the protection of the device, thereby improving the convenience of the current transformer with a dust-proof function during use. Description of the Drawings

[0019] Figure 1 It is a three-dimensional structure diagram of the present utility model;

[0020] Figure 2 It is a front view sectional structure diagram of the present utility model;

[0021] Figure 3 It is a sectional three-dimensional structure diagram of the present utility model;

[0022] Figure 4 It is of the present utility model Figure 3 The enlarged structure diagram at A in;

[0023] Figure 5 It is a sectional three-dimensional structure diagram of the fixing structure of the present utility model.

[0024] Explanation of the reference numerals in the drawings: 1. Current transformer assembly; 101. Current transformer body; 102. Mounting plate; 103. Mounting hole; 104. Protective layer; 2. Limit structure; 201. Limit plate; 202. Clamping seat; 203. Clamping groove; 204. Clamping block; 205. Connecting block; 3. Fixing structure; 301. Protective cover; 302. First magnetic block; 303. Limit hole; 304. Rubber sheet; 4. Through groove; 5. Wiring terminal. Detailed Embodiment

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figures 1 - 5 , a current transformer with a dust-proof function provided by the present invention includes a current transformer assembly 1 and a through groove 4. The current transformer assembly 1 includes a current transformer body 101, a mounting plate 102, mounting holes 103 and a protective layer 104. The bottom end of the current transformer body 101 is fixed with a mounting plate 102. Mounting holes 103 are evenly arranged on both sides inside the mounting plate 102. A through groove 4 is arranged in the middle of the current transformer body 101. A protective layer 104 is arranged on the outer wall of the current transformer body 101. Limiting structures 2 are arranged on both sides of the current transformer body 101. The limiting structure 2 includes a limiting plate 201, a clamping seat 202, a clamping groove 203, a clamping block 204 and a connecting block 205. The limiting plate 201 is arranged on both sides of the current transformer body 101. Clamping seats 202 are evenly fixed on one side of the limiting plate 201. Clamping grooves 203 are evenly arranged at both ends of the side of the limiting plate 201 inside the current transformer body 101. Clamping blocks 204 are arranged inside the clamping grooves 203. Connecting blocks 205 are fixed on one side of each clamping block 204. A wire clamping groove is arranged on the side of the clamping seat 202 away from the limiting plate 201. The clamping block 204 and the current transformer body 101 form a clamping structure through the clamping groove 203. The main view section of the clamping groove 203 is designed in a "T" shape. One end of the connecting block 205 extends to the outside of the current transformer body 101 and is fixed to one side of the limiting plate 201. The mounting holes 103 are symmetrically distributed on both sides inside the mounting plate 102. The protective layer 104 is actually an epoxy resin waterproof coating.

[0027] Refer to Figure 3 and Figure 4As shown, move the limit plate 201 to one side of the current transformer body 101, so that one end of the clamping block 204 abuts against one end of the clamping groove 203. Push the limit plate 201, and the limit plate 201 drives the clamping block 204 to move into the clamping groove 203 through the connecting block 205, thereby fixing the limit plate 201 and the current transformer body 101 to each other. Pass the circuit through the through groove 4 and move it to one side of the clamping seat 202. Press the circuit to make it move into the clamping seat 202, and then the clamping seat 202 and the circuit are clamped and fixed through the wire clamping groove, avoiding the phenomenon of the circuit being chaotic and intertwined. Pull the limit plate 201 to separate the limit plate 201 from the current transformer body 101, and a clamping seat 202 matching the circuit can be installed. The protective layer 104 is actually an epoxy resin waterproof coating, which is a material with characteristics such as wear resistance, waterproofing, corrosion resistance, and good acid resistance. At the same time, it has good water resistance, corrosion resistance, and weather resistance. Under the action of the protective layer 104, the resistance of the current transformer body 101 is enhanced.

[0028] On both sides of the top of the current transformer body 101, there are wiring terminals 5. Above the wiring terminals 5, a fixing structure 3 is provided at the top of the current transformer body 101. The fixing structure 3 includes a protective cover 301, a first magnet 302, a limit hole 303, and a rubber sheet 304. The protective cover 301 is arranged at the top of the current transformer body 101 above the wiring terminals 5. On both sides of the bottom end of the protective cover 301, a first magnet 302 is fixed. At both ends of one side inside the protective cover 301, limit holes 303 are provided. On the inner wall of the limit holes 303, rubber sheets 304 are evenly fixed. Inside the current transformer body 101 at the bottom end of the first magnet 302, there is a second magnet. The rubber sheets 304 are evenly distributed at equal intervals inside the limit holes 303.

[0029] Refer to Figure 3 and Figure 5 As shown, pull the protective cover 301 to separate the protective cover 301 and the first magnet 302 from the second magnet. Pass one end of the circuit through the limit hole 303 and fix it on the wiring terminal 5. Cover the protective cover 301 on the wiring terminal 5. The protective cover 301 drives the first magnet 302 to contact the second magnet. Under the action of the first magnet 302 and the second magnet, the protective cover 301 is fixed at the top of the current transformer body 101. Under the action of the protective cover 301 and the rubber sheets 304 at equal intervals, it plays a role in dust prevention.

[0030] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A current transformer with dustproof function, comprising a current transformer assembly (1) and a through slot (4); Features: The current transformer assembly (1) comprises a current transformer body (101), a mounting plate (102), a mounting hole (103) and a protective layer (104); the mounting plate (102) is fixed to the bottom end of the current transformer body (101); the mounting holes (103) are evenly arranged on both sides of the mounting plate (102); a through groove (4) is arranged in the middle of the current transformer body (101); and the protective layer (104) is arranged on the outer wall of the current transformer body (101); Both sides of the current transformer body (101) are provided with a limiting structure (2), the limiting structure (2) comprising a limiting plate (201), a clamping seat (202), a clamping groove (203), a clamping block (204) and a connecting block (205), and the limiting plate (201) is arranged on both sides of the current transformer body (101); Both sides of the top of the current transformer body (101) are provided with connection terminals (5), and a fixing structure (3) is provided at the top of the current transformer body (101) above the connection terminals (5).

2. A current transformer with dustproof function according to claim 1, characterized in that: The mounting holes (103) are symmetrically distributed on both sides inside the mounting plate (102), and the protective layer (104) is actually an epoxy resin waterproof coating.

3. The current transformer with dustproof function according to claim 1, characterized in that: A clamping seat (202) is evenly fixed on one side of the limit plate (201), clamping grooves (203) are evenly arranged at both ends of one side of the limit plate (201) inside the current transformer body (101), clamping blocks (204) are arranged inside the clamping grooves (203), and a connecting block (205) is fixed on one side of the clamping blocks (204).

4. A current transformer with dustproof function according to claim 3, characterized in that: A wire clamping groove is provided on a side of the clamping seat (202) away from the limiting plate (201), and the clamping block (204) and the current transformer body (101) form a clamping structure through the clamping groove (203).

5. The current transformer with dustproof function according to claim 3, characterized in that: The main cross-section of the clamping groove (203) is designed to be "T"-shaped, and one end of the connecting block (205) extends to the outside of the current transformer body (101) and is fixedly connected to one side of the limiting plate (201).

6. The current transformer with dustproof function according to claim 1, characterized in that: The fixing structure (3) comprises a protective cover (301), a first magnetic block (302), a limiting hole (303) and a rubber sheet (304); the protective cover (301) is arranged at the top of the current transformer body (101) above the wiring terminal (5); the first magnetic block (302) is fixed on both sides of the bottom of the protective cover (301); limiting holes (303) are arranged at both ends of one side inside the protective cover (301); and rubber sheets (304) are evenly fixed on the inner wall of the limiting hole (303).

7. A current transformer with dustproof function according to claim 6, characterized in that: A second magnetic block is arranged inside the current transformer body (101) at the bottom end of the first magnetic block (302), and the rubber sheets (304) are distributed at equal intervals inside the limiting hole (303).

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