CN219576848U

CN219576848U - Combined frequency converter

Info

Publication number: CN219576848U
Application number: CN202320761878.1U
Authority: CN
Inventors: 张瑞琦; 鲁应涤; 翁焱; 张凯娟; 黄鸿儒; 宋辉; 黄强
Original assignee: Shanghai Naxin Industrial Co ltd
Current assignee: Shanghai Naxin Industrial Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-08-22
Anticipated expiration: 2033-04-06

Abstract

The utility model relates to the technical field of frequency converters, and discloses a combined frequency converter which comprises a base, a frequency converter box body and a top cover, wherein movable ports are formed in four sides of the frequency converter box body, springs are fixedly connected to the interiors of the movable ports, inserting rods sliding along the interiors of the movable ports are fixedly connected to the springs, and pull ropes are fixedly connected to the inserting rods. When the frequency converter is required to be disassembled, the adjusting rod can be screwed, so that four pull ropes are wound and pulled, the four-side inserting rods can be gradually separated from the inside of the slot, meanwhile, the movable opening is contracted and the spring is compressed to enable the movable opening to have elasticity, then the top cover can be opened through the pull opening, and maintenance personnel can maintain electric elements in the frequency converter box body; the spring with elasticity is utilized to push the inserted bar to be inserted into the slot, so that the mosaic plate is fixed, the position of the top cover can be firmly fixed, the installation is completed, and the whole dismounting process is very convenient.

Description

Combined frequency converter

Technical Field

The utility model relates to the technical field of frequency converters, in particular to a combined frequency converter.

Background

The frequency converter is an electric control device which uses frequency conversion technology and microelectronics technology to control an alternating current motor by changing the frequency of a working power supply of a motor, the combined frequency converter is used for carrying out combined operation on a plurality of groups of frequency converter cabinets to realize high-power use requirements, the prior combined frequency converter is generally provided with electric elements inside the combined frequency converter, the outside of the prior combined frequency converter is welded together by adopting a box body or connected together by bolts, but once the frequency converter is damaged, the internal electric elements can be maintained after the box body is disassembled during maintenance, so that the dismantling and opening work is inconvenient, a great deal of time is consumed, the maintenance efficiency is reduced, and the installation work after the maintenance is inconvenient.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a combined frequency converter which has the advantage of convenient maintenance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a combination formula converter, includes base, converter box and top cap, movable mouth has all been seted up to the four sides department of converter box, the inside fixedly connected with spring of movable mouth, fixedly connected with is along the inside gliding inserted bar of movable mouth on the spring, fixedly connected with stay cord on the inserted bar, the bottom fixed mounting of top cap has the mosaic plate, the slot has all been seted up on the four sides of mosaic plate, the opening has been seted up on the converter box, open-ended inside swing joint has the regulation pole.

As a preferable technical scheme of the utility model, a fixed frame is fixedly arranged at the top of the base, a notch is formed in the fixed frame, a limiting plate is arranged in the notch, a guide rail is fixedly connected to the top of the base, and a sliding groove is formed in the bottom of the frequency converter box body.

As a preferable technical scheme of the utility model, the outer side of the upper end of the frequency converter box body is provided with a mounting opening, the bottom of the outer end of the top cover is fixedly provided with a soft rubber mat, and the top of the top cover is provided with a pull opening.

As a preferable technical scheme of the utility model, an embedding opening is formed in the inner side of the upper end of the frequency converter box body.

As a preferable technical scheme of the utility model, the four sides of the frequency converter box body are provided with slide ways communicated with the movable opening and the opening, and the pull ropes are positioned in the slide ways;

one end of the pull rope is fixedly connected with the inserted link, and the other end of the pull rope is fixedly connected with the adjusting rod.

As a preferable technical scheme of the utility model, the second magnet is fixedly arranged in the notch, and the first magnet attracted with the second magnet is fixedly arranged at the bottoms of the two ends of the limiting plate.

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

when the frequency converter is required to be disassembled, the adjusting rod can be screwed, so that four pull ropes are wound and pulled, the four-side inserting rods can be gradually separated from the inside of the slot, meanwhile, the movable opening is contracted and the spring is compressed to enable the movable opening to have elasticity, then the top cover can be opened through the pull opening, and maintenance personnel can maintain electric elements in the frequency converter box body; when needs are installed, can install mosaic board inside inlaying the mouth, make four sides's slot and activity mouth align simultaneously, loosen the regulation pole, utilize the spring that has elasticity to promote the inserted bar and insert inside the slot to fix mosaic board, alright firmly fix the position of top cap, accomplish the installation, whole dismouting process is very convenient, need not to consume a large amount of time, improved maintenance efficiency, alright reach the purpose of convenient maintenance like this.

Drawings

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

FIG. 2 is a schematic diagram of a cross-sectional structure of a frequency converter according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram of the top structure of the inverter case of the present utility model;

FIG. 5 is a schematic view of a sectional structure of a movable opening according to the present utility model;

FIG. 6 is a schematic diagram of the joint of the pull rope and the adjusting rod;

FIG. 7 is a schematic view of the bottom structure of the top cover of the present utility model;

FIG. 8 is a schematic view of the joint between the limiting plate and the notch.

In the figure: 1. a base; 2. a fixed frame; 3. a limiting plate; 301. a first magnet; 4. a frequency converter box; 401. a mounting port; 402. a mosaic opening; 5. a top cover; 501. pulling out the mouth; 502. a soft rubber pad; 6. an opening; 7. an adjusting rod; 8. mosaic plates; 9. a movable opening; 10. a spring; 11. a rod; 12. a pull rope; 13. a chute; 14. a slot; 15. a notch; 151. a second magnet; 16. and a guide rail.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 8, the utility model provides a combined frequency converter, which comprises a base 1, a frequency converter box 4 and a top cover 5, wherein movable ports 9 are formed in four sides of the frequency converter box 4, springs 10 are fixedly connected to the interiors of the movable ports 9, inserting rods 11 sliding along the interiors of the movable ports 9 are fixedly connected to the springs 10, pull ropes 12 are fixedly connected to the inserting rods 11, mosaic plates 8 are fixedly arranged at the bottoms of the top cover 5, slots 14 are formed in four sides of the mosaic plates 8, openings 6 are formed in the frequency converter box 4, and adjusting rods 7 are movably connected to the interiors of the openings 6; when the frequency converter is required to be disassembled, the adjusting rod 7 can be screwed to pull the four pull ropes 12, so that the four plug rods 11 can be gradually separated from the inside of the slot 14, meanwhile, the movable opening 9 is contracted and the spring 10 is compressed to enable the spring 10 to have elasticity, then the top cover 5 can be opened through the pull opening 501, and an maintainer can maintain the electric elements in the frequency converter box 4; when needs are installed, can install mosaic plate 8 inside mosaic opening 402, make the slot 14 of four sides align with movable port 9 simultaneously, loosen and adjust pole 7, utilize the spring 10 that has elasticity to promote the inserted bar 11 and insert inside slot 14 to fix mosaic plate 8, alright firmly fix the position of top cap 5, accomplish the installation, whole dismouting process is very convenient, need not to consume a large amount of time, has improved maintenance efficiency, like this alright reach the purpose of easy maintenance.

The top of the base 1 is fixedly provided with a fixed frame 2, the fixed frame 2 is provided with a notch 15, the inside of the notch 15 is provided with a limiting plate 3, the top of the base 1 is fixedly connected with a guide rail 16, and the bottom of the frequency converter box 4 is provided with a sliding groove 13;

through slide groove 13 with converter box 4 bottom along guide rail 16 slide into fixed frame 2 inside, then reuse limiting plate 3 install inside recess 15 and make first magnet 301 and second magnet 151 mutually actuation to can firmly fix limiting plate 3 inside recess 15, alright simultaneously firmly spacing fixed with the position of converter box 4, convenient combination is used, also convenient dismantlement simultaneously.

Wherein, the outer side of the upper end of the frequency converter box body 4 is provided with a mounting port 401, the bottom of the outer end of the top cover 5 is fixedly provided with a soft rubber pad 502, and the top of the top cover 5 is provided with a pull port 501;

the top cover 5 is arranged at the top of the frequency converter box 4, and the soft rubber pad 502 is clamped into the mounting port 401 and is attached to the inner wall of the mounting port, so that a simple sealing effect can be achieved.

Wherein, the inner side of the upper end of the frequency converter box body 4 is provided with a mosaic opening 402;

through inlay board 8 card income inlay mouth 402 inside, alright make the slot 14 of four sides align with the activity mouth 9 of four sides respectively, make things convenient for the installation work of top cap 5, the two cooperation plays the effect in spacing top cap 5 position.

The four sides of the frequency converter box body 4 are provided with slide ways communicated with the movable opening 9 and the opening 6, and the pull ropes 12 are positioned in the slide ways;

one end of the pull rope 12 is fixedly connected with the inserted link 11, and the other end is fixedly connected with the adjusting rod 7;

the adjusting rod 7 is rotated through the opening 6, so that the four pull ropes 12 connected with the adjusting rod are wound and pulled, the four-side inserting rod 11 can be pulled to gradually retract towards the inside of the movable opening 9 and compress the spring 10 to enable the spring to have elasticity, the installation and the disassembly work of the top cover 5 are facilitated, the adjustment and the use are very convenient, the time is saved, and convenience is provided for maintenance work.

Wherein, the second magnet 151 is fixedly arranged in the notch 15, and the first magnet 301 attracted with the second magnet 151 is fixedly arranged at the bottom of the two ends of the limiting plate 3;

through installing limiting plate 3 inside recess 15 and making first magnet 301 and the looks actuation of second magnet 151 to can firmly fix limiting plate 3 inside recess 15, alright simultaneously firmly spacing fixed with the position of converter box 4, installation and dismantlement when convenient combination.

The working principle and the using flow of the utility model are as follows:

when the disassembly and maintenance are needed, the adjusting rod 7 can be screwed to wind and pull the four pull ropes 12, so that the four-sided inserting rods 11 can be gradually separated from the inside of the slots 14, and simultaneously the springs 10 can be contracted towards the inside of the movable opening 9 and compressed to have elasticity;

then the top cover 5 can be opened through the pull opening 501, and maintenance personnel can maintain the electrical components in the frequency converter box 4;

when the mounting is needed, the mosaic plate 8 can be mounted in the mosaic opening 402, meanwhile, the four slots 14 are aligned with the movable opening 9, the adjusting rod 7 is loosened, the spring 10 with elasticity is utilized to push the inserting rod 11 to be inserted into the slots 14, so that the mosaic plate 8 is fixed, the position of the top cover 5 can be firmly fixed, and the mounting is completed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a combination formula converter, includes base (1), converter box (4) and top cap (5), its characterized in that: the utility model discloses a frequency converter box, including top cap (5), slot (14) have all been seted up to four sides department of converter box (4), the inside fixedly connected with spring (10) of activity mouth (9), fixedly connected with is followed inside gliding inserted bar (11) of activity mouth (9) on spring (10), fixedly connected with stay cord (12) on inserted bar (11), mosaic plate (8) are fixedly installed to the bottom of top cap (5), slot (14) have all been seted up on the four sides of mosaic plate (8), opening (6) have been seted up on converter box (4), the inside swing joint of opening (6) has regulation pole (7).

2. A combination inverter as claimed in claim 1, wherein: the top fixed mounting of base (1) has fixed frame (2), set up notch (15) on fixed frame (2), internally mounted of notch (15) has limiting plate (3), the top fixedly connected with guide rail (16) of base (1), spout (13) have been seted up to the bottom of converter box (4).

3. A combination inverter as claimed in claim 1, wherein: the outer side of converter box (4) upper end has seted up installing port (401), the bottom fixed mounting of top cap (5) outer end has soft rubber pad (502), the top of top cap (5) has seted up and has been drawn mouthful (501).

4. A combination inverter as claimed in claim 1, wherein: an embedding opening (402) is formed in the inner side of the upper end of the frequency converter box body (4).

5. A combination inverter as claimed in claim 1, wherein: the four sides of the frequency converter box body (4) are provided with slide ways communicated with the movable opening (9) and the opening (6), and the pull ropes (12) are positioned in the slide ways;

one end of the pull rope (12) is fixedly connected with the inserted link (11), and the other end is fixedly connected with the adjusting rod (7).

6. A combination inverter as claimed in claim 2, wherein: the second magnet (151) is fixedly arranged in the notch (15), and the first magnet (301) attracted with the second magnet (151) is fixedly arranged at the bottoms of the two ends of the limiting plate (3).