Intelligent reactive compensation controller

Abstract

The utility model provides an intelligent reactive compensation controller, comprising a circuit board assembly comprising a display circuit board and a main circuit board, two sides of the bottom of the display circuit board are fixed with the main circuit board through pin headers, and four corners of the main circuit board are provided with positioning holes; the shell comprises a cover plate and a base, four positioning columns connected with the positioning holes in a matched mode are arranged on the base, the cover plate is provided with pressing blocks abutting against the top face of the main circuit board, the multiple pressing blocks are distributed along the periphery of the display circuit board at intervals, and the side faces of the pressing blocks abut against the side edges of the display circuit board. In the assembling process, the positioning holes of the main circuit board and the positioning columns on the base are installed in an aligned mode, then the cover plate and the base are assembled, on one hand, the main circuit board can be tightly pressed on the positioning columns through the pressing blocks on the cover plate, on the other hand, the side faces of the pressing blocks abut against the side edges of the display circuit board, and therefore the position of the display circuit board is limited. Therefore, screw installation is omitted, assembly is quicker and more convenient, and production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to an intelligent reactive power compensation controller. Background Art

[0002] The intelligent reactive power compensation controller adjusts the reactive current in the distribution network by controlling the compensation capacitor. It has the functions of real-time monitoring of various parameters of the power grid, harmonic protection, reactive power compensation and protection warning.

[0003] The existing intelligent reactive power compensation controller includes a housing and a circuit board assembly arranged inside the housing. The circuit board is fixedly assembled with the housing by a plurality of screws, so the assembly process is relatively complicated and the production cost is increased. Utility Model Content

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the defect in the prior art that the circuit board is fixed to the housing by screws, resulting in a relatively complicated assembly process, thereby providing an intelligent reactive power compensation controller with low production cost.

[0005] To this end, the utility model provides an intelligent reactive power compensation controller, including a circuit board assembly and a shell, the circuit board assembly including a display circuit board and a main circuit board arranged up and down, the bottom two sides of the display circuit board are fixed to the main circuit board through pins, and the four corners of the main circuit board are provided with positioning holes; the shell includes a cover plate and a base arranged up and down, the base is provided with four positioning columns adapted to be connected with the positioning holes, the cover plate has a plurality of pressure blocks extending toward the main circuit board and abutting against the top surface of the main circuit board, the plurality of pressure blocks are spaced apart along the periphery of the display circuit board, and the side surfaces of the pressure blocks abut against the side edges of the display circuit board.

[0006] There are two groups of pin headers, which are respectively arranged on the left and right sides of the display circuit board; there are two rows of pressing blocks, which are respectively arranged on the front and back sides of the display circuit board.

[0007] The cross section of the pressing block is T-shaped.

[0008] The cover plate is provided with a display panel that can be knocked off and separated therefrom, a first window for installing a digital tube is provided in the middle of the display panel, and the outer periphery of the display panel is connected to the cover plate by a plurality of spaced connection ribs, wherein after the display panel is knocked off, a second window for installing a display screen is exposed on the cover plate.

[0009] The back of the base is provided with a three-phase four-wire voltage input port and a two-phase voltage input port.

[0010] The technical solution of the utility model has the following advantages:

[0011] 1. The intelligent reactive power compensation controller provided by the utility model comprises a housing, and a circuit board assembly arranged in the housing, the circuit board assembly comprises a display circuit board and a main circuit board arranged up and down, the bottom two sides of the display circuit board are fixed to the main circuit board through pins, and the four corners of the main circuit board are provided with positioning holes, the housing comprises a cover plate and a base arranged up and down, the base is provided with four positioning columns adapted to the positioning holes, the cover plate has a plurality of pressing blocks extending toward the main circuit board and abutting against the top surface of the main circuit board, the plurality of pressing blocks are distributed at intervals along the periphery of the display circuit board, and the side of the pressing blocks abuts against the side of the display circuit board. During assembly, the positioning holes of the main circuit board are first aligned and installed with the positioning columns on the base, and then the cover plate is assembled with the base, the pressing blocks on the cover plate can press the main circuit board against the positioning columns on the one hand, and on the other hand, the side of the pressing blocks abuts against the side of the display circuit board, thereby limiting the position of the display circuit board, compared with the prior art, this saves the need for screw installation, makes assembly faster and more convenient, and reduces production costs.

[0012] 2. In the intelligent reactive power compensation controller provided by the utility model, the cross section of the pressing block is T-shaped, thereby increasing the contact area between the pressing block and the circuit board, thereby pressing the circuit board more tightly.

[0013] 3. The intelligent reactive power compensation controller provided by the utility model has a display panel on the cover plate that can be knocked off and separated therefrom, a first window for installing a digital tube is provided in the middle of the display panel, and the outer periphery of the display panel is connected to the cover plate by a plurality of spaced connecting ribs, wherein after the display panel is knocked off, a second window for installing the display screen is exposed on the cover plate, so that the same shell can be used for both digital tube installation and display screen installation, has strong versatility, and only needs to design a shell mold, thereby reducing the mold production cost and the shell production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a cross-sectional view of the intelligent reactive power compensation controller of the utility model;

[0016] Figure 2 It is a schematic diagram of the explosion structure of the intelligent reactive power compensation controller;

[0017] Figure 3 is a three-dimensional diagram of a circuit board assembly;

[0018] Figure 4 is a three-dimensional diagram of the cover;

[0019] Figure 5 A three-dimensional diagram of the base;

[0020] Figure 6 It is a three-dimensional picture of the cover plate (the display plate has not been knocked off);

[0021] Figure 7 It is a three-dimensional picture of the cover plate (the display plate is knocked off);

[0022] Figure 8 It is a three-dimensional diagram of the intelligent reactive power compensation controller (using digital tube display);

[0023] Fig. 9 This is a schematic diagram of the disassembly of the cover and base of the intelligent reactive power compensation controller.

[0024] Explanation of the accompanying drawings: 3, shell; 8, cover plate; 9, base; 16, display circuit board; 17, main circuit board; 18, pin header; 19, positioning hole; 20, positioning column; 21, pressure block; 22, display board; 23, digital tube; 24, first window; 25, connecting rib; 26, second window; 27, three-phase four-wire voltage input port; 28, two-phase voltage input port. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0029] Example

[0030] This embodiment provides an intelligent reactive power compensation controller, such as Figure 1 As shown, it includes a housing 3 and a circuit board assembly.

[0031] Circuit board components, such as Figure 1 and Figure 3 As shown, it includes a display circuit board 16 and a main circuit board 17 arranged up and down, and the bottom two sides of the display circuit board 16 are fixed to the main circuit board 17 through pins 18, as shown in FIG. Figure 2 As shown, positioning holes 19 are provided at the four corners of the main circuit board 17 .

[0032] Shell 3, such as Figure 2 As shown, it includes a cover plate 8 and a base 9 arranged up and down, and the cover plate 8 and the base 9 are enclosed to form a cavity for installing the circuit board assembly.

[0033] Cover plate 8, such as Figure 6 and Figure 8 As shown, a display panel 22 which can be knocked off and separated therefrom is provided, a first window 24 for installing a digital tube 23 is provided in the middle of the display panel 22, and the outer periphery of the display panel 22 is connected to the cover plate 8 through a plurality of spaced connecting ribs 25, wherein, as shown Figure 7 As shown, after the display panel 22 is knocked off, the second window 26 for installing the display screen is exposed on the cover plate 8. Figure 1 and Figure 4 As shown, the cover plate 8 has a plurality of pressing blocks 21 extending toward the main circuit board 17 and abutting against the top surface of the main circuit board 17. The plurality of pressing blocks 21 are spaced apart along the periphery of the display circuit board 16, and the side surfaces of the pressing blocks 21 abut against the side edges of the display circuit board 16. Figure 3As shown, there are two groups of pin headers 18, which are respectively arranged on the left and right sides of the display circuit board 16; there are two rows of pressing blocks 21, which are respectively arranged on the front and back sides of the display circuit board 16; and the cross section of the pressing blocks 21 is T-shaped.

[0034] Base 9, such as Figure 2 and Figure 5 As shown, it is provided with four positioning posts 20 adapted to be connected with the positioning holes 19. Fig. 9 As shown, a three-phase four-wire voltage input port 27 and a two-phase voltage input port 28 are provided on the back of the base 9, so that the manufacturer only needs to design and produce a pair of housing molds to meet the needs of different users.

[0035] The intelligent reactive power compensation controller provided by the utility model is assembled by first aligning the positioning holes 19 of the main circuit board 17 with the positioning posts 20 on the base 9 and then assembling the cover plate 8 with the base 9. On the one hand, the pressing block 21 on the cover plate 8 can press the main circuit board 17 against the positioning posts 20. On the other hand, the side of the pressing block 21 abuts against the side of the display circuit board 16, thereby limiting the position of the display circuit board 16. Compared with the prior art, this saves the need for screw installation, makes assembly faster and more convenient, and reduces production costs.

[0036] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. An intelligent reactive power compensation controller, characterized in that: include: A circuit board assembly, comprising a display circuit board (16) and a main circuit board (17) arranged above and below, wherein the bottom two sides of the display circuit board (16) are fixed to the main circuit board (17) via pin headers (18), and positioning holes (19) are provided at four corners of the main circuit board (17); The housing (3) comprises a cover plate (8) and a base (9) which are arranged upper and lower. The base (9) is provided with four positioning posts (20) which are adapted to be connected with the positioning holes (19). The cover plate (8) has a plurality of pressing blocks (21) which extend toward the main circuit board (17) and abut against the top surface of the main circuit board (17). The plurality of pressing blocks (21) are distributed at intervals along the periphery of the display circuit board (16), and the side surfaces of the pressing blocks (21) abut against the side edges of the display circuit board (16).

2. The intelligent reactive power compensation controller according to claim 1, characterized in that: There are two groups of the pin headers (18), which are respectively arranged on the left and right sides of the display circuit board (16); there are two rows of the pressing blocks (21), which are respectively arranged on the front and rear sides of the display circuit board (16).

3. The intelligent reactive power compensation controller according to claim 2 is characterized in that: The cross section of the pressing block (21) is T-shaped.

4. The intelligent reactive power compensation controller according to claim 1, characterized in that: The cover plate (8) is provided with a display panel (22) that can be knocked off and separated therefrom, a first window (24) for installing a digital tube (23) is provided in the middle of the display panel (22), and the outer periphery of the display panel (22) is connected to the cover plate (8) via a plurality of spaced connection ribs (25), wherein after the display panel (22) is knocked off, a second window (26) for installing a display screen is exposed on the cover plate (8).

5. The intelligent reactive power compensation controller according to claim 1, characterized in that: A three-phase four-wire voltage input port (27) and a two-phase voltage input port (28) are provided on the back of the base (9).

Images