Electronic current transformer

Abstract

The utility model discloses an electronic current transformer which comprises a current transformer body, a mounting plate is arranged at the bottom of the current transformer body, a limiting frame is welded to the top of the mounting plate, the bottom of the current transformer body is embedded into the limiting frame, and an external threaded rod is welded to the side face of the current transformer body. Side plates are welded to the tops of the limiting frames. According to the electronic current transformer, a mounting plate is arranged at the bottom of the current transformer body, a limiting frame is welded to the top of the mounting plate, the bottom of the current transformer body is embedded into the limiting frame, meanwhile, an external threaded rod is welded to the side face of the current transformer body, a side plate is welded to the bottom of the limiting frame, and a clamping groove is formed in the side face of the side plate; at the moment, in the installation process, the installation plate can be firstly used for providing a positioning effect for the installation position of the current transformer body, then the current transformer body is installed, the installation position cannot deviate, and the current transformer is very convenient to use.

Description

Technical Field

[0001] The utility model belongs to the technical field of current transformers, and in particular relates to an electronic current transformer. Background Art

[0002] An electronic current transformer is a power distribution device consisting of one or more voltage or current sensors connected to a transmission system and a secondary converter to transmit a quantity proportional to the measured quantity to supply measuring instruments, meters and relay protection or control devices.

[0003] The electronic current transformers currently available on the market have the following problems in actual use:

[0004] 1. When the traditional electronic current transformer is actually used, due to the large size of the electronic current transformer itself, it needs to be installed in a suitable position when it is used. At this time, when installing the electronic current transformer, the electronic current transformer needs to be picked up and installed as a whole, which may cause position deviation during the installation process, which is troublesome to use;

[0005] 2. During the use of most electronic current transformers, since they need to be connected to the circuit, the connection position between the electronic current transformer and the circuit is exposed to the outside. During the use, water stains may splash onto the connection position between the electronic current transformer and the circuit, resulting in poor protection during use. Utility Model Content

[0006] The utility model aims to provide an electronic current transformer to solve the technical problems raised in the background technology.

[0007] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: an electronic current transformer, comprising a current transformer body, a mounting plate is provided at the bottom of the current transformer body, a limit frame is welded on the top of the mounting plate, the bottom of the current transformer body is embedded in the limit frame, an external threaded rod is welded on the side of the current transformer body, a side plate is welded on the top of the limit frame, a slot is provided on the side of the side plate, the external threaded rod is located in the slot, an extrusion turntable is installed on the surface of the external threaded rod, and the side of the extrusion turntable is fitted to the side plate.

[0008] Preferably, a connector is installed on the surface of the current transformer body, a box body is welded on the surface of the current transformer body, a slide groove is opened inside the box body, the slide groove is provided with a wiring harness assembly, the wiring harness assembly includes a baffle, a wiring harness hole, a paddle plate and a magnet block, a baffle is clamped inside the slide groove, a wiring harness hole is opened on the surface of the baffle, a paddle plate is welded on the top of the baffle, and a magnet block is installed inside the baffle.

[0009] Preferably, the top of the current transformer body is fixedly connected to a fixing seat, the fixing seats are symmetrically distributed, the top of the fixing seat is fixedly connected to a handle, and an anti-slip sleeve is adhered to the surface of the handle.

[0010] Preferably, a magnet frame is bonded to the surface of the mounting plate, a fixing frame is provided at the bottom of the mounting plate, the top of the fixing frame is attached to the magnet frame, the fixing frame is made of metal iron, an anti-slip pad is bonded inside the fixing frame, and the top of the anti-slip pad is attached to the bottom of the mounting plate.

[0011] Preferably, the externally threaded rods are distributed in a symmetrical form, a baffle is welded to the other end of the externally threaded rod, and the side surface of the baffle is in contact with the extrusion turntable.

[0012] Preferably, the side panels are distributed in a symmetrical form, and the card slots are distributed in a symmetrical form.

[0013] The electronic current transformer of the utility model has the following advantages:

[0014] 1. The electronic current transformer is provided with a mounting plate at the bottom of the current transformer body, and a limit frame is welded on the top of the mounting plate. The bottom of the current transformer body is embedded in the limit frame, and at the same time, an external threaded rod is welded on the side of the current transformer body, and a side plate is welded on the bottom of the limit frame, and a slot is provided on the side of the side plate. The external threaded rod is located in the slot, and an extrusion turntable is installed on the surface of the external threaded rod. The side of the extrusion turntable is fitted to the side plate. When installing the electronic current transformer, the mounting plate can be installed in a suitable position first, and then the current transformer body is embedded in the limit frame until the external threaded rod is located in the slot, and then the extrusion turntable is rotated to increase the friction between the current transformer body and the side plate, and the current transformer body is fixed on the mounting plate. At this time, during the installation process, the mounting plate can be used to provide a positioning effect for the installation position of the current transformer body, and then the current transformer body can be installed, so that the installation position will not be offset, which is very convenient to use.

[0015] 2. This electronic current transformer is achieved by installing a connector on the surface of the current transformer body and welding a box body on the surface of the current transformer body, while opening a slide groove inside the box body, and providing a wiring harness assembly inside the slide groove, wherein the wiring harness assembly includes a baffle, a wiring harness hole, a paddle plate and a magnet block, wherein the baffle is clamped inside the slide groove, and the magnet block is embedded inside the baffle, while the paddle plate is fixed to the top of the baffle, and a wiring harness hole is opened on the surface of the baffle, and the wiring harness assembly is distributed in a symmetrical form. When the connector is connected to a line, the paddle plate can be used to open the baffle first, and then the line is connected to the connector, and then the paddle plate can be used to close the baffle, at this time, the baffles can be fixed to each other using a magnet sheet, and at this time, the line will be inside the wiring harness hole, and the connection position of the connector and the line can be hidden using the box body and the baffle, so that during the use of the electronic current transformer, no water stains will splash onto the connection position of the connector and the line, and the protection is strong when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the external threaded rod of the utility model;

[0019] Figure 3 This is a schematic diagram of the limit frame structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the anti-slip mat structure of the utility model;

[0021] Figure 5 For the utility model Figure 2 Enlarged view of part A.

[0022] Explanation of the markings in the figure: 1. Current transformer body; 2. Mounting plate; 3. Fixed seat; 4. Handle; 5. Anti-slip sleeve; 6. External threaded rod; 7. Baffle; 8. Side panel; 9. Slot; 10. Limit frame; 11. Magnet frame; 12. Fixed frame; 13. Anti-slip pad; 14. Connector; 15. Box body; 16. Slide groove; 17. Baffle; 18. Paddle plate; 19. Magnet block; 20. Wire harness hole; 21. Squeeze turntable; 22. Wire harness assembly. DETAILED DESCRIPTION

[0023] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0024] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0026] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0027] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0028] In order to better understand the purpose, structure and function of the utility model, the electronic current transformer of the utility model is further described in detail below with reference to the accompanying drawings.

[0029] like Figure 1-5As shown, an electronic current transformer of the utility model comprises a current transformer body 1, a mounting plate 2 is provided at the bottom of the current transformer body 1, a limit frame 10 is welded on the top of the mounting plate 2, the bottom of the current transformer body 1 is embedded in the limit frame 10, by installing the limit frame 10, the limit frame 10 can be used to provide a positioning effect for the current transformer body 1 during installation, when the current transformer body 1 is installed, until its bottom is embedded in the limit frame 10 for positioning, it is very convenient to use, an external threaded rod 6 is welded on the side of the current transformer body 1, a side plate 8 is welded on the top of the limit frame 10, a card slot 9 is provided on the side of the side plate 8, the external threaded rod 6 is located in the card slot 9, an extrusion turntable 21 is installed on the surface of the external threaded rod 6, and the side of the extrusion turntable 21 is attached to the side plate 8, by installing the extrusion turntable 21, when the external threaded rod 6 is located in the card slot 9, the friction between the current transformer body 1 and the side plate 8 is increased by rotating the extrusion turntable 21, so that the current transformer body 1 can be fixed on the mounting plate 2, which is very convenient to use.

[0030] A connector 14 is mounted on the surface of the current transformer body 1, a box body 15 is welded on the surface of the current transformer body 1, a slide groove 16 is provided inside the box body 15, a wiring harness assembly 22 is provided in the slide groove 16, the wiring harness hole 20, a paddle plate 18 and a magnet block 19, the baffle 17 is clamped inside the slide groove 16, a wiring harness hole 20 is provided on the surface of the baffle 17, a paddle plate 18 is welded on the top of the baffle 17, a magnet block 19 is installed inside the baffle 17, by installing the baffle 17 and the box body 15, the connection position of the connector 14 and the line can be hidden by using the box body 15 and the baffle 17, so that during the use of the electronic current transformer, no water stains will splash onto the connection position of the connector 14 and the line, and the protection is strong when used.

[0031] The top of the current transformer body 1 is fixedly connected to the fixing seat 3, which is distributed in a symmetrical form. The top of the fixing seat 3 is fixedly connected to the handle 4, and the anti-slip cover 5 is adhered to the surface of the handle 4. By installing the handle 4, when it is necessary to move or tie the current transformer body 1, the handle 4 can be directly used as the force point to move or tie the current transformer body 1, which is very convenient to use.

[0032] A magnet frame 11 is bonded to the surface of the mounting plate 2, a fixing frame 12 is provided at the bottom of the mounting plate 2, the top of the fixing frame 12 is attached to the magnet frame 11, the fixing frame 12 is made of metal iron, an anti-skid pad 13 is bonded inside the fixing frame 12, the top of the anti-skid pad 13 is attached to the bottom of the mounting plate 2, and the anti-skid pad 13 can be installed and utilized to increase the friction between the mounting plate 2 and the mounting position, thereby enhancing stability after installation and having greater stability during use.

[0033] The external threaded rod 6 is distributed in a symmetrical form, and a baffle 7 is welded to the other end of the external threaded rod 6. The side of the baffle 7 is attached to the extrusion turntable 21. By installing the baffle 7, the baffle 7 can provide a limiting effect for the extrusion turntable 21, so that the extrusion turntable 21 will not separate from the external threaded rod 6, which is very convenient to use.

[0034] The side panels 8 are distributed in a symmetrical form, and the slots 9 are distributed in a symmetrical form. Through the distribution form of the side panels 8, when the friction between the current transformer body 1 and the side panels 8 is increased by squeezing the turntable 21, a more stable fixing effect can be provided, thereby enhancing stability during use.

[0035] The working principle of the electronic current transformer: When using the electronic current transformer, the anti-skid pad 13 should be installed on the bottom of the mounting plate 2 first. Under the premise that the material of the fixing frame 12 is metal iron, the fixing frame 12 is directly adsorbed and fixed on the magnet frame 11. At this time, the anti-skid pad 13 will be installed on the bottom of the base plate, and then the mounting plate 2 will be installed in a suitable position, and then the current transformer body 1 will be embedded in the limit frame 10 until the external threaded rod 6 is located in the slot 9, and then the extrusion turntable 21 is rotated to increase the friction between the current transformer body 1 and the side plate 8, and the current transformer body 1 is fixed on the mounting plate 2. At this time, during the installation process, the mounting plate 2 can be used to provide a positioning effect for the installation position of the current transformer body 1. , and then install the current transformer body 1 so that the installation position will not be offset, which is very convenient to use. Then the electronic current transformer can be connected to the line. When connecting the line, first use the dial plate 18 to open the baffle 17, and then connect the line to the connector 14, and then use the dial plate 18 to close the baffle 17. At this time, the baffles 17 can be fixed to each other using magnet sheets. At this time, the line will be inside the harness hole 20. The connection position of the connector 14 and the line can be hidden by the box body 15 and the baffle 17, so that during the use of the electronic current transformer, no water stains will splash onto the connection position of the connector 14 and the line. The protection is strong when used, and then the electronic current transformer can be used to monitor the current on the line.

[0036] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. An electronic current transformer, comprising a current transformer body (1), characterized in that: The bottom of the current transformer body (1) is provided with a mounting plate (2), the top of the mounting plate (2) is welded with a limit frame (10), the bottom of the current transformer body (1) is embedded in the limit frame (10), the side of the current transformer body (1) is welded with an external threaded rod (6), the top of the limit frame (10) is welded with a side plate (8), a slot (9) is provided on the side of the side plate (8), the external threaded rod (6) is located in the slot (9), an extrusion turntable (21) is installed on the surface of the external threaded rod (6), and the side of the extrusion turntable (21) is attached to the side plate (8).

2. The electronic current transformer according to claim 1, characterized in that: A connector (14) is mounted on the surface of the current transformer body (1), a box body (15) is welded on the surface of the current transformer body (1), a slide groove (16) is provided inside the box body (15), a wiring harness assembly (22) is provided in the slide groove (16), the wiring harness assembly (22) comprises a baffle (17), a wiring harness hole (20), a paddle (18) and a magnet block (19), the baffle (17) is clamped inside the slide groove (16), a wiring harness hole (20) is provided on the surface of the baffle (17), a paddle (18) is welded on the top of the baffle (17), and a magnet block (19) is installed inside the baffle (17).

3. The electronic current transformer according to claim 1, characterized in that: The top of the current transformer body (1) is fixedly connected to a fixing seat (3), the fixing seats (3) are distributed in a symmetrical manner, the top of the fixing seat (3) is fixedly connected to a handle (4), and the surface of the handle (4) is bonded with an anti-slip sleeve (5).

4. The electronic current transformer according to claim 1, characterized in that: The surface of the mounting plate (2) is bonded to a magnet frame (11); a fixing frame (12) is provided at the bottom of the mounting plate (2); the top of the fixing frame (12) is attached to the magnet frame (11); the fixing frame (12) is made of metal iron; an anti-skid pad (13) is bonded inside the fixing frame (12); the top of the anti-skid pad (13) is attached to the bottom of the mounting plate (2).

5. The electronic current transformer according to claim 1, characterized in that: The externally threaded rods (6) are distributed in a symmetrical manner, and a baffle (7) is welded to the other end of the externally threaded rod (6), and the side surface of the baffle (7) is in contact with the extrusion rotary disc (21).

6. The electronic current transformer according to claim 1, characterized in that: The side plates (8) are distributed in a symmetrical manner, and the card slots (9) are distributed in a symmetrical manner.

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