Integrated plug-in structure for realizing structural combination of terminal and mutual inductor

Abstract

The utility model discloses an integrated plug-in structure for realizing the combination of a terminal and a mutual inductor structure, which comprises a PCB (Printed Circuit Board), mutual inductor bodies, a terminal assembly and a U-shaped copper wire, the mutual inductor bodies are arranged in three groups and are respectively arranged on one side of the PCB at intervals; a plurality of groups of terminal assemblies are arranged above the mutual inductor body at intervals; the three groups of U-shaped copper wires are matched with the mutual inductor body, and the end parts of the U-shaped copper wires are connected with the corresponding terminal assemblies; therefore, the terminal assembly is connected with a tested circuit, and the U-shaped copper wire can transmit current or voltage to the mutual inductor body in proportion through electromagnetic induction. According to the utility model, the terminal and the mutual inductor structure are integrated on the PCB in a combined manner, so that the requirement on the size of the multifunctional ammeter is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of multifunctional electric meters, in particular to an integrated plug-in structure for realizing the structural combination of a terminal and a mutual inductor. Background Art

[0002] With the development of power systems, the requirements for monitoring and management of power systems are becoming increasingly higher. Integrating the transformer structure into the multi-function meter can not only simplify the system structure, improve measurement accuracy, and achieve multi-function integration, but also better adapt to the development needs of the power system.

[0003] In existing designs, the transformer structure is usually integrated into an independent circuit board, and then the circuit board with the transformer is assembled onto a multi-function meter. This is not only costly, but also the multi-function meter is large in size, making it difficult to meet the demand for miniaturization of the multi-function meter. Utility Model Content

[0004] The utility model provides an integrated plug-in structure for realizing the combination of a terminal and a transformer structure. The combination of the terminal and the transformer structure is realized through the ingenious design of a first fixing frame and a second fixing frame, and one or more of the above technical problems are solved. The specific solutions are as follows:

[0005] An integrated plug-in structure for realizing the combination of a terminal and a transformer structure, comprising: a PCB circuit board, a transformer body, a terminal assembly and a U-shaped copper wire, wherein the transformer body is provided with three groups, which are respectively arranged at intervals on one side of the PCB circuit board; the terminal assembly is provided with a plurality of groups, which are respectively arranged at intervals above the transformer body; the U-shaped copper wire is provided with three groups, which are matched with the transformer body, and the ends of the U-shaped copper wires are connected to the corresponding terminal assemblies; thus, by connecting the terminal assembly to a circuit to be measured, the U-shaped copper wire can transmit current or voltage proportionally to the transformer body through electromagnetic induction.

[0006] Furthermore, the terminal assemblies are provided in eight groups.

[0007] Furthermore, the integrated plug-in structure also includes a first fixing frame, which is mounted above the transformer body and includes two vertical plates on both sides and a cover plate on the top, and the bottom surface of the cover plate abuts against the top of the transformer body.

[0008] Furthermore, a first clamping member and a second clamping member for clamping the transformer body are respectively provided on both sides of the cover plate, wherein the first clamping member is a rectangular vertical plate; the second clamping member is a rectangular vertical bar, and three groups of the second clamping member are arranged at intervals.

[0009] Furthermore, a plurality of slots are provided on the cover plate, and the slots are used to achieve the connection between the U-shaped copper wire and the terminal assembly.

[0010] Furthermore, a plurality of vertical grooves are provided at intervals on the first clamping member, and the vertical grooves are used to assemble and fix the two ends of the U-shaped copper wire.

[0011] Furthermore, a plurality of positioning members are arranged below the cover plate, and the lower edges of the positioning members abut against the outer wall of the transformer body.

[0012] Furthermore, the integrated plug-in structure also includes a second fixing frame, which is arranged on the cover plate and is used to assemble and fix the terminal assembly.

[0013] Furthermore, eight slots are arranged at intervals on the second fixing frame, and the slots are used to assemble and fix corresponding terminal assemblies.

[0014] The beneficial effect of the utility model is that the utility model realizes the combination of the terminal and the transformer structure through the ingenious design of the first fixing frame and the second fixing frame, and then integrates the combination of the terminal and the transformer structure into the PCB circuit board, reducing the requirement for the volume of the multi-function meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of an integrated plug-in structure for realizing a terminal and a transformer structure combination according to the utility model;

[0016] Figure 2 , 3 This is a structural schematic diagram of a first fixing frame of an integrated plug-in structure for realizing a terminal and a transformer structure combination according to the utility model;

[0017] Numbers in the figure: 1, PCB circuit board; 2, transformer body; 3, terminal assembly; 4, U-shaped copper wire; 5, first fixing frame; 51, vertical plate; 52, cover plate; 521, first clamping member; 5211, vertical groove; 522, second clamping member; 523, slot hole; 524, positioning member; 6, second fixing frame. DETAILED DESCRIPTION

[0018] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0019] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0020] like Figure 1 , 2 As shown in Figure 3, the utility model provides an integrated plug-in structure for realizing the combination of terminal and transformer structure, including a PCB circuit board 1, a transformer body 2, a terminal assembly 3 and a U-shaped copper wire 4, wherein the transformer body 2 is provided with three groups, which are respectively arranged at intervals on one side of the PCB circuit board 1; the terminal assembly 3 is provided with a plurality of groups, which are respectively arranged at intervals above the transformer body 2; the U-shaped copper wire 4 is provided with three groups, which are matched with the transformer body 2, and the ends thereof are connected to the corresponding terminal assemblies 3; thus, the terminal assembly 3 is connected to the circuit to be measured, and the U-shaped copper wire 4 can transfer the current or voltage proportionally to the transformer body 2 through electromagnetic induction, and by measuring the magnitude and direction of the induced current of the transformer body 2, the magnitude and direction of the current of the circuit to be measured can be indirectly obtained, thereby realizing the measurement of the current.

[0021] Further, the terminal assemblies 3 are provided in eight groups.

[0022] Furthermore, in order to make the transformer body 2 more firmly fixed, a first fixing frame 5 is also set up above the transformer body 2. Specifically, the first fixing frame 5 includes two vertical plates 51 located on both sides and a cover plate 52 located on the top, and the bottom surface of the cover plate 52 abuts against the top of the transformer body 2. Further, the two sides of the cover plate 52 are respectively provided with a first clamping member 521 and a second clamping member 522 for clamping the transformer body 2. The first clamping member 521 is a rectangular vertical plate; the second clamping member 522 is a rectangular vertical bar, and three groups are arranged at intervals, respectively abutting against the corresponding transformer body 2. Further, a plurality of slots 523 are opened on the cover plate 52, and the slots 523 are used to realize the connection between the U-shaped copper wire 4 and the terminal assembly 3. Further, a plurality of vertical grooves 5211 are spaced apart on the first clamping member 521, and the vertical grooves 5211 are used to assemble and fix the two ends of the U-shaped copper wire 4. Furthermore, a plurality of positioning members 524 are disposed below the cover plate 52 , and lower edges of the positioning members 524 abut against the outer wall of the transformer body 2 .

[0023] Furthermore, in order to make the terminal assembly 3 more firmly fixed, a second fixing frame 6 is also arranged on the cover plate 52, and eight slots are arranged at intervals on the second fixing frame 6, and the slots are used to assemble and fix the corresponding terminal assembly 3.

[0024] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. An integrated plug-in structure for realizing the combination of terminal and transformer structure, characterized in that , comprising a PCB circuit board (1), a transformer body (2), a terminal assembly (3) and a U-shaped copper wire (4), wherein the transformer body (2) is provided with three groups, which are respectively arranged at intervals on one side of the PCB circuit board (1); the terminal assembly (3) is provided with a plurality of groups, which are respectively arranged at intervals above the transformer body (2); the U-shaped copper wire (4) is provided with three groups, which are matched with the transformer body (2), and the ends of the U-shaped copper wire (4) are connected to the corresponding terminal assembly (3); thus, by connecting the terminal assembly (3) to the circuit to be measured, the U-shaped copper wire (4) can transmit the current or voltage proportionally to the transformer body (2) through electromagnetic induction.

2. The one-piece plug-in structure for realizing the combination of terminal and transformer structure according to claim 1, characterized in that: The terminal components (3) are provided in eight groups.

3. The one-piece plug-in structure for realizing the combination of terminal and transformer structure according to claim 1, characterized in that: The device also comprises a first fixing frame (5), which is mounted above the transformer body (2) and comprises two vertical plates (51) located on both sides and a cover plate (52) located on the top, wherein the bottom surface of the cover plate (52) abuts against the top of the transformer body (2).

4. The one-piece plug-in structure for realizing the combination of terminal and transformer structure according to claim 3, characterized in that: A first clamping piece (521) and a second clamping piece (522) for clamping the transformer body (2) are respectively arranged on both sides of the cover plate (52); the first clamping piece (521) is a rectangular vertical plate; the second clamping piece (522) is a rectangular vertical bar, and three groups of the second clamping piece (522) are arranged at intervals.

5. The one-piece plug-in structure for realizing the combination of terminal and transformer structure according to claim 3, characterized in that: A plurality of slots (523) are provided on the upper surface of the cover plate (52), and the slots (523) are used to achieve the connection between the U-shaped copper wire (4) and the terminal assembly (3).

6. The one-piece plug-in structure for realizing the combination of terminal and transformer structure according to claim 4, characterized in that: A plurality of vertical grooves (5211) are provided at intervals on the first clamping member (521), and the vertical grooves (5211) are used to assemble and fix the two ends of the U-shaped copper wire (4).

7. The integrated plug-in structure for realizing the combination of terminal and transformer structure according to claim 3, characterized in that: A plurality of positioning members (524) are arranged below the cover plate (52), and the lower edges of the positioning members (524) are in contact with the outer wall of the transformer body (2).

8. The integrated plug-in structure for realizing the combination of terminal and transformer structure according to claim 3, characterized in that: It also comprises a second fixing frame (6), which is arranged on the cover plate (52) and is used for assembling and fixing the terminal assembly (3).

9. The one-piece plug-in structure for realizing the combination of terminal and transformer structure according to claim 8, characterized in that: The second fixing frame (6) is provided with eight slots at intervals, and the slots are used to assemble and fix corresponding terminal assemblies (3).

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