CN221409520U

CN221409520U - Parallel operation control box of frequency converter

Info

Publication number: CN221409520U
Application number: CN202322957392.8U
Authority: CN
Inventors: 张庆平
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-11-01
Filing date: 2023-11-01
Publication date: 2024-07-23
Anticipated expiration: 2033-11-01

Abstract

The utility model relates to the technical field and discloses a parallel operation control box of a frequency converter, which comprises a mounting seat, a line socket and a PCB (printed circuit board), wherein a second side plate is integrally formed on one side of the outer part of the mounting seat, and one end of the top of the mounting seat is rotationally connected with a top guard plate; according to the utility model, the PCB boards can be connected with the corresponding line socket from the corresponding line socket through the connecting plates at the two sides, so that a plurality of groups of PCB boards in the control box can be independently installed, one end of the corresponding line socket at the top of each group of PCB boards forms a buckle structure through the locating block and the stop block, so that each group of PCB boards can be independently positioned, each group of PCB boards can be conveniently dismounted, maintained and overhauled from the mounting seat, the plurality of groups of line sockets in the mounting seat can be used for integrally dismounting the first side board, and thus, the convenience of maintenance and overhauling of the PCB boards and the line sockets in the parallel operation control box is realized.

Description

Parallel operation control box of frequency converter

Technical Field

The utility model relates to the technical field, in particular to a parallel operation control box of a frequency converter.

Background

The parallel operation control box is used as a control unit in the parallel operation technology, namely a brain, comprises a main control board and various interface boards, and is various in types of PCB boards to be stacked, more in quantity, and important in rationality of structure stacking, reliability of grounding and convenience of maintenance.

The disclosed number is CN213959981U, which is a control box for parallel operation of frequency converter, comprising a shell, a panel, a supporting plate and a bottom plate; the front end of the shell is provided with a panel, and the rear end of the shell is provided with a bottom plate; the support plate is positioned in the shell; the outer side of the panel is provided with a first metal handle, and the inner side of the panel is embedded with a first PCB; two sides of the supporting plate are respectively embedded with a second layer of stacked PCB and a third layer of stacked PCB. According to the utility model, through a pure sheet metal structure, book type sliding rails are adopted for opposite insertion installation, 4 layers of front and back Printed Circuit Boards (PCB) can be stacked, 10 PCB boards can be installed, the compatibility of the PCB boards is greatly improved, each PCB board is grounded continuously, convenience and reliability are realized, the volume of equipment can be effectively reduced, and the installation and maintenance of the equipment are facilitated; the structure is simple, the mold design is also simple, the design cost is low, the use is convenient, and the practicability is strong;

In the prior art, a plurality of groups of stacked PCB boards can be arranged in the control box, so that the PCB boards in the parallel operation control box of the frequency converter have stronger compatibility;

However, when the control box is damaged and overhauled, the control box is required to be disassembled integrally, so that each group of PCB connected in parallel inside can be disassembled one by one, and the maintenance and overhaul of the PCB inside the control box and the line socket are inconvenient.

Disclosure of utility model

The utility model aims to provide a frequency converter parallel operation control box which can realize independent disassembly, assembly and replacement of each group of arranged PCB (printed circuit board) inside, and is more convenient to maintain and overhaul without integrally disassembling the control box.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a converter parallel operation control box, includes mount pad, line row socket, PCB board, outside one side integrated into one piece of mount pad has the second curb plate, mount pad top one end rotates and is connected with the top backplate, multiunit row slot has been seted up to mount pad inner wall bilateral symmetry, the equidistant line row socket of installing of mount pad inner wall bottom, the outside opposite side demountable installation of mount pad has first curb plate, the inside demountable installation of mount pad has multiunit PCB board, PCB board both sides integrated into one piece has the side joint board respectively, mount pad top is close to row slot one side fixed mounting there is the locating piece, the inboard top integrated into one piece of locating piece has the dog.

Preferably, the connection part of the first side plate and the PCB is provided with a fixing screw through threads.

Preferably, the inside U-shaped structure that is of mount pad, PCB board both ends are T-shaped structure.

Preferably, a buckling groove is formed in one end of the top of the mounting seat, and a buckle matched with the buckling groove is fixedly arranged at one end of the bottom of the top guard plate.

Preferably, the PCB board is inserted into the inner wall of the corresponding row of slots through the connecting plates at two ends, and the bottom end of the PCB board is connected with the corresponding line row socket in a matching way.

Preferably, the inner side surface of the stop block is abutted against one end of the PCB, and the stop block is an elastic plastic part.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the PCB boards can be connected with the corresponding line socket from the corresponding line socket through the connecting plates at the two sides, so that a plurality of groups of PCB boards in the control box can be independently installed, one end of the corresponding line socket at the top of each group of PCB boards forms a buckle structure through the positioning block and the stop block, so that each group of PCB boards can be independently positioned, the PCB boards of each group can be conveniently detached from the mounting seat for maintenance and repair, and the plurality of groups of line sockets in the mounting seat can be used for integrally detaching the first side board, so that the convenience in maintenance and repair of the PCB boards and the line sockets in the parallel operation control box is realized;

Compared with the existing frequency converter parallel operation control box, the control box is not required to be disassembled integrally, and maintenance and overhaul are more convenient.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a control box in a split structure according to the present utility model;

Fig. 3 is a schematic view of a PCB assembly and disassembly structure according to the present utility model;

FIG. 4 is a schematic diagram of an assembly structure of a PCB and a row of slots according to the present utility model;

fig. 5 is a schematic view of a partial enlarged structure at a in fig. 4.

In the figure: 1. a mounting base; 2. a first side plate; 3. a PCB board; 4. a positioning block; 11. a second side plate; 12. a top guard plate; 13. a buckling groove; 14. a row of slots; 15. a wire row socket; 21. a set screw; 31. a lateral splice plate; 41. and a stop block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

Referring to fig. 1-5, the present utility model provides a technical solution: the parallel operation control box of the frequency converter comprises a mounting seat 1, a line row socket 15 and a PCB 3, wherein a second side plate 11 is integrally formed on one side outside the mounting seat 1 through die pressing, one end of the top of the mounting seat 1 is rotationally connected with a top guard plate 12, a plurality of groups of line row slots 14 are symmetrically formed on two sides of the inner wall of the mounting seat 1, and the line row socket 15 is installed at the bottom of the inner wall of the mounting seat 1 at equal intervals;

The other side outside the mounting seat 1 is detachably provided with a first side plate 2, a plurality of groups of PCB boards 3 are detachably arranged inside the mounting seat 1, two sides of the PCB boards 3 are respectively and integrally formed with side joint plates 31 through die pressing, one side, close to the row of slots 14, of the top of the mounting seat 1 is fixedly provided with a positioning block 4, and the top end of the inner side of the positioning block 4 is integrally formed with a stop block 41 through die casting;

The bottoms of the groups of PCB 3 are spliced to corresponding line sockets 15 in the installation seat 1, so that a frequency converter parallel operation control box is formed;

The PCB 3 can be connected with the corresponding line socket 15 from the corresponding line socket 14 through the two side connecting plates 31, so that a plurality of groups of PCB 3 in the control box can be independently installed, one end of the line socket 14 corresponding to the top of each group of PCB 3 is formed into a buckle structure through the locating block 4 and the stop block 41, so that each group of PCB 3 can be independently located, the PCB 3 can be conveniently detached from the mounting seat 1 for maintenance and repair, the first side plate 2 can be detached for integral disassembly by the plurality of groups of line sockets 15 in the mounting seat 1, and thus the convenience of maintenance and repair of the PCB 3 and the line socket 15 in the parallel operation control box is realized.

The connection part of the first side plate 2 and the PCB 3 is provided with a fixing screw 21 through threads, and after the fixing screw 21 on the first side plate 2 is removed from one side of the mounting seat 1, the whole mounting seat 1 bottom line socket 15 can be dismounted.

Wherein, the inside U-shaped structure that is of mount pad 1, PCB board 3 both ends are T-shaped structure, and PCB board 3 can follow corresponding row slot 14 through both sides side link plate 31 and be connected with corresponding line row socket 15 for multiunit PCB board 3 in this control box can install alone.

The buckle groove 13 has been seted up to mount pad 1 top one end, top backplate 12 bottom one end fixed mounting has in buckle groove 13 assorted buckle, PCB board 3 is pegged graft in the row slot 14 inner wall that corresponds through both ends side link plate 31, and PCB board 3 bottom and the line row socket 15 assorted connection that corresponds, the row slot 14 one end that corresponds at every group PCB board 3 top passes through locating piece 4 and dog 41 constitutes buckle structure, thereby can fix a position alone to every group PCB board 3, the convenience is with every group PCB board 3 follow mount pad 1 and is maintained the maintenance.

Wherein, dog 41 medial surface is inconsistent with PCB board 3 one end, and dog 41 is elastic plastic part, through stirring dog 41 to the outside for dog 41 and 3 one end separation of PCB board, thereby can take out corresponding PCB board 3 from corresponding row slot 14, the convenience is to damaging the piece and is maintained the maintenance from mount pad 1 in the multiunit PCB board 3.

Working principle: when the damaged part in the PCB 3 in the parallel operation control box of the frequency converter is removed and replaced, the buckle on the top guard plate 12 of the top of the mounting seat 1 is separated from the buckling groove 13, the top guard plate 12 is turned over and opened, then one end stop block 41 at the top of the corresponding PCB 3 is stirred outwards, so that the positioning of the PCB 3 is relieved, the damaged PCB 3 can be pulled out from the top of the corresponding row of slots 14, the bottom of the PCB 3 is separated from the wire row socket 15, and thus, each group of PCB 3 can be disassembled, assembled, maintained and overhauled from the mounting seat 1;

When dismantling the interior line socket 15 of this converter parallel operation control box, can demolish the back with top PCB board 3, can demolish fixed screw 21 on the first curb plate 2, can wholly demolish line socket 15 from first curb plate 2 opening part and take out, realized like this to the convenient of this parallel operation control box inside PCB board 3 and line socket 15 maintenance.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a converter parallel operation control box, includes mount pad (1), line socket (15), PCB board (3), its characterized in that: the utility model discloses a socket, including mount pad (1), socket, locating piece (4), PCB board (3), mount pad (1) outside one side integrated into one piece has second curb plate (11), mount pad (1) top one end rotates is connected with top backplate (12), multiunit row slot (14) have been seted up to mount pad (1) inner wall bilateral symmetry, equidistant wired row socket (15) are installed to mount pad (1) inner wall bottom, mount pad (1) outside opposite side demountable installation has first curb plate (2), inside demountable installation of mount pad (1) has multiunit PCB board (3), PCB board (3) both sides integrated into one piece respectively has side joint board (31), mount pad (1) top is close to row slot (14) one side fixed mounting has locating piece (4), locating piece (4) inboard top integrated into one piece has dog (41).

2. The frequency converter parallel operation control box according to claim 1, wherein: the connecting part of the first side plate (2) and the PCB (3) is provided with a fixing screw (21) through threads.

3. The frequency converter parallel operation control box according to claim 1, wherein: the mounting seat (1) is of a U-shaped structure, and two ends of the PCB (3) are of T-shaped structures.

4. The frequency converter parallel operation control box according to claim 1, wherein: the mounting seat is characterized in that a buckling groove (13) is formed in one end of the top of the mounting seat (1), and a buckle matched with the buckling groove (13) is fixedly arranged at one end of the bottom of the top guard plate (12).

5. The frequency converter parallel operation control box according to claim 1, wherein: the PCB (3) is inserted into the inner wall of the corresponding row of slots (14) through the connecting plates (31) at two ends, and the bottom end of the PCB (3) is connected with the corresponding wire row socket (15) in a matching way.

6. The frequency converter parallel operation control box according to claim 1, wherein: the inner side surface of the stop block (41) is abutted against one end of the PCB (3), and the stop block (41) is an elastic plastic part.