CN219918731U - Split type contravariant unit structure - Google Patents

Abstract

The utility model discloses a split type inversion unit structure, which relates to the technical field of inversion unit structures and comprises a connecting disc, wherein three connecting plates are fixedly arranged on the surface of the connecting disc, mounting boxes are fixedly arranged on the surfaces of the three connecting plates, a rectifier, a screen wave loop and an inverter are respectively and fixedly arranged in the three mounting boxes, the rectifier and the inverter are electrically connected with the screen wave loop, and radiating grooves are formed in the surfaces of the three mounting boxes; the beneficial effects of the utility model are as follows: the driving motor rotates to drive the connecting screw rod to rotate, the connecting screw rod drives the movable ring to move downwards, the movable ring pushes the transmission block to move horizontally through the hinged transmission bar, the transmission block pushes the cleaning block to slide through the guide rod, the cleaning block drives the hairbrush layer on the surface to move, the surface of the radiating fin is cleaned, the radiating fin on the top of the three mounting boxes is conveniently cleaned simultaneously, and time and labor are saved.

Description

Split type contravariant unit structure

Technical Field

The utility model relates to an inversion unit structure, in particular to a split inversion unit structure, and belongs to the technical field of inversion unit structures.

Background

With the progress of scientific technology, the motor variable frequency control technology has been widely used in the fields of heavy mining machinery, agriculture, animal husbandry, fishery, logistics, construction and the like. The inverter unit of the frequency converter consists of power electronic devices, an electric energy control device for converting direct current into alternating current is formed, the heat dissipation design of the internal high-power electronic devices also directly influences the performance and service life of the whole machine, the existing inverter unit structure comprises an integral inverter unit structure for placing rectification, filtering and inversion in a unit nearby and a split type inverter unit structure for separately installing the three units, and the split type inverter unit structure has the advantage of easiness in bus arrangement.

The split type inversion unit structure disclosed by the application number of CN201720899182.X comprises a capacitor part, an inversion functional module and a connecting copper bar, wherein the capacitor part is arranged above the inversion functional module, the capacitor part and the inversion functional module are connected through the connecting copper bar, and the capacitor part and the inversion functional module are combined into a whole through the connecting copper bar to jointly form the inversion unit structure. The utility model has the beneficial effects that: the high-power inverter unit structure of the low-voltage frequency converter disclosed by the application number of CN202120287798.8 is characterized in that the functional modules are separated, the functional integrity of each part is realized, the busbar design and the heat dissipation design are easy, the reliable connection is easy to realize, the installation and the maintenance are easy, the capacity expansion of a filtering part is easy to realize, the functions of low voltage peak and equivalent filtering are realized, a current equalizing magnetic ring is additionally arranged between parallel modules, the parallel bias current phenomenon of IGBT is effectively restrained, and the high-power inverter unit structure of the low-voltage frequency converter disclosed by the application number of CN202120287798.8 is arranged in an upper part and a lower part through further search. The upper part is a core assembly and is provided with a sheet metal shell, a filter capacitor, a power module, a radiator, a fuse, an incoming and outgoing busbar and a printed board structure device, the radiator adopts an independent air duct design, the design reduces the working temperature of components and parts, and improves the performance and service life of the core; the fuse and the bus bar for the in-out line are arranged on the back of the case, so that the width of the unit is reduced; the copper plate is bent at the electric connection position of the filter capacitor and the power module, so that a riveted copper column structure is omitted; the lower part structure is designed for a detachable independent fan and is provided with a bottom frame assembly and the independent fan. The high-power inversion unit is designed in a structure, the unit structure is simple to install and operate, and the disassembly and maintenance are convenient; the unit has compact integral structure, smaller volume compared with the traditional frequency converter unit, and lower weight and cost ", but the inverter unit structure has the following defects:

after long-time use, a layer of dust can be accumulated on the surface of the radiating fin, which is unfavorable for radiating the inverter unit structure.

Disclosure of Invention

The utility model aims to provide a split type inversion unit structure, which solves the problem that the surface of a radiating fin of the existing inversion unit structure provided in the background art can accumulate a layer of dust after long-time use, and is not beneficial to heat dissipation of the inversion unit structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a split type contravariant unit structure, includes the connection pad, the fixed surface of connection pad is equipped with three connecting plate, three the equal fixed mounting box that is equipped with in surface of connecting plate, three the inside of mounting box is fixed respectively and is equipped with rectifier, screen ripples return circuit and dc-to-ac converter, and rectifier and dc-to-ac converter all with screen ripples return circuit electric connection, three the radiating groove has all been seted up on the surface of mounting box, three the inner wall of radiating groove is all fixed and is equipped with the fin, and three the top of mounting box is all fixed and is equipped with the guide block, and is three two guiding holes have all been seted up on the surface of guide block, six the equal sliding connection of inner wall of guiding hole has the guide bar, every two corresponding the one end of guide bar is all fixed and is equipped with the cleaning block, and three the surface of cleaning block is all fixed and is equipped with the brush layer that slides mutually with the fin, the top of connection pad is equipped with drive assembly.

Preferably, the drive assembly includes support, support section of thick bamboo, driving motor and auxiliary assembly, support and support section of thick bamboo all fixed the top that sets up at the connection pad, be connected with the connection lead screw through the bearing rotation between support and the support section of thick bamboo, the surface of connection lead screw has the removal ring through lead screw nut threaded connection, the fixed surface of support section of thick bamboo is equipped with three slide bar, and is three the equal sliding connection in surface of slide bar has the slide tube, and is three the equal fixed transmission piece that is equipped with in surface of slide tube, and is three the top of transmission piece all articulates through the free bearing has the transmission strip, and is three the surface of transmission strip all articulates with the removal ring through the free bearing, driving motor is fixed the top at the support, driving motor is positive and negative rotation motor, driving motor's transmission shaft and the one end fixed connection who connects the lead screw.

Preferably, one end of each of the three sliding rods is fixedly connected with the surfaces of the three guide blocks, and the three transmission blocks are fixedly connected with the contact parts of the six guide rods.

Preferably, a switch panel is fixedly arranged on the surface of the bracket, and a plurality of reinforcing ribs are fixedly arranged between the bracket and the connecting disc.

Preferably, the auxiliary assembly comprises an auxiliary tube, the auxiliary tube is fixedly arranged at the top end of the support, the surface of the auxiliary tube is connected with a protective cover in a threaded manner, and a handle is fixedly arranged at the top end of the protective cover.

Preferably, the fixed surface of protection casing is equipped with a plurality of strip of making an uproar that falls, a plurality of the inside of strip of making an uproar that falls all sets up to the cavity, a plurality of the inside of strip of making an uproar that falls all fills and inhale the sound cotton.

Preferably, a driving motor switch is arranged on the surface of the switch panel, and the driving motor is electrically connected with an external power supply through the driving motor switch.

Compared with the related art, the split type inversion unit structure provided by the utility model has the following beneficial effects:

1. the driving motor rotates to drive the connecting screw rod to rotate, the connecting screw rod drives the movable ring to move downwards, the movable ring drives the transmission block to move horizontally through the hinged transmission bar, the transmission block drives the cleaning block to slide through the guide rod, the cleaning block drives the hairbrush layer on the surface to move, the surface of the radiating fin is cleaned, the radiating fins on the tops of the three mounting boxes are conveniently cleaned at the same time, and time and labor are saved;

2. the hole that X inhale sound cotton can cushion the sound wave of the noise that produces when driving motor work and absorb, realizes making an uproar falls, is favorable to workman's healthy, and the protection casing protects driving motor, when need overhauling driving motor, rotates the protection casing, makes protection casing and auxiliary pipe separation, and the rethread handle proposes the protection casing, can overhaul driving motor, and is very convenient.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at C according to the present utility model;

FIG. 5 is a schematic cross-sectional view of a stent of the present utility model;

fig. 6 is an enlarged schematic view of the structure of fig. 5D according to the present utility model.

In the figure: 1. a connecting disc; 2. a connecting plate; 3. a mounting box; 4. a heat sink; 5. a drive assembly; 51. a bracket; 52. a support cylinder; 53. a driving motor; 54. connecting a screw rod; 55. a slide bar; 56. a moving ring; 57. a slide tube; 58. a transmission block; 59. a transmission bar; 6. an auxiliary component; 61. an auxiliary tube; 62. a protective cover; 63. a handle; 7. a heat sink; 8. a guide block; 9. a guide hole; 10. a guide rod; 11. a cleaning block; 12. a switch panel; 13. noise reducing strips.

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.

Example 1:

referring to fig. 1-6, the utility model provides a split type inversion unit structure, which comprises a connecting disc 1, wherein three connecting plates 2 are fixedly arranged on the surface of the connecting disc 1, mounting boxes 3 are fixedly arranged on the surfaces of the three connecting plates 2, a rectifier, a screen wave loop and an inverter are respectively and fixedly arranged in the three mounting boxes 3, the rectifier and the inverter are electrically connected with the screen wave loop, radiating grooves 4 are respectively arranged on the surfaces of the three mounting boxes 3, radiating fins 7 are fixedly arranged on the inner walls of the three radiating grooves 4, guide blocks 8 are fixedly arranged at the top ends of the three mounting boxes 3, two guide holes 9 are respectively arranged on the surfaces of the three guide blocks 8, guide rods 10 are respectively and fixedly arranged at one ends of each two corresponding guide rods 10, a brush layer which slides with the radiating fins 7 is fixedly arranged on the surfaces of the three cleaning blocks 11, and a driving component 5 is arranged at the top end of the connecting disc 1;

referring to fig. 1-6, the utility model provides a split inverter unit structure, further comprising a driving assembly 5, wherein the driving assembly 5 comprises a bracket 51, a supporting cylinder 52, a driving motor 53 and an auxiliary assembly 6, the bracket 51 and the supporting cylinder 52 are fixedly arranged at the top end of a connecting disc 1, a connecting screw rod 54 is rotatably connected between the bracket 51 and the supporting cylinder 52 through a bearing, the surface of the connecting screw rod 54 is in threaded connection with a movable ring 56 through a screw rod nut, three sliding rods 55 are fixedly arranged on the surface of the supporting cylinder 52, sliding pipes 57 are fixedly connected to the surfaces of the three sliding rods 55, transmission blocks 58 are fixedly arranged on the surfaces of the three sliding pipes 57, the top ends of the three transmission blocks 58 are hinged with transmission strips 59 through a hinged seat, the driving motor 53 is fixedly arranged at the top end of the bracket 51, and the driving motor 53 is a forward and backward motor, and a transmission shaft of the driving motor 53 is fixedly connected with one end of the connecting screw rod 54;

one end of each of the three sliding rods 55 is fixedly connected with the surface of each of the three guide blocks 8, and each of the three transmission blocks 58 is fixedly connected with the contact parts of the six guide rods 10;

the surface of the bracket 51 is fixedly provided with a switch panel 12, a plurality of reinforcing ribs are fixedly arranged between the bracket 51 and the connecting disc 1, and the reinforcing ribs strengthen the structural strength between the bracket 51 and the connecting disc 1;

the surface of the switch panel 12 is provided with a driving motor switch, and the driving motor 53 is electrically connected with an external power supply through the driving motor switch;

specifically, as shown in fig. 1, 2, 4, 5 and 6, the driving motor 53 is started by the driving motor switch, the driving motor 53 rotates to drive the connecting screw rod 54 to rotate, the connecting screw rod 54 drives the moving ring 56 to move downwards, the moving ring 56 pushes the transmission block 58 to move horizontally through the hinged transmission strip 59, the transmission block 58 drives the sliding tube 57 to slide horizontally along the surface of the sliding rod 55, the transmission block 58 pushes the cleaning block 11 to slide through the guide rod 10, the cleaning block 11 moves to drive the brush layer on the surface to move, the surface of the cooling fin 7 is cleaned, the scanned dust falls after losing the support of the cooling fin 7, and the cleaning of the cooling fin 7 at the top of the three installation boxes 3 is facilitated for workers.

Example 2:

the auxiliary assembly 6 comprises an auxiliary tube 61, the auxiliary tube 61 is fixedly arranged at the top end of the bracket 51, the surface of the auxiliary tube 61 is connected with a protective cover 62 in a threaded manner, and the top end of the protective cover 62 is fixedly provided with a handle 63;

the surface of the protective cover 62 is fixedly provided with a plurality of noise reduction strips 13, the interiors of the noise reduction strips 13 are hollow, and the interiors of the noise reduction strips 13 are filled with sound-absorbing cotton;

specifically, as shown in fig. 1, 5 and 6, firstly, the holes of the sound absorbing cotton can buffer and absorb sound waves of noise generated when the driving motor 53 works, noise reduction is achieved, the driving motor 53 is protected by the protective cover 62, when the driving motor 53 needs to be overhauled, the protective cover 62 is rotated, the protective cover 62 is separated from the auxiliary pipe 61, the protective cover 62 is lifted out of the protective cover 62 through the handle 63, and the driving motor 53 can be overhauled, so that the driving motor 53 is quite convenient.

Working principle: when the split type inversion unit structure is particularly used, firstly, the inside of the three mounting boxes 3 is fixedly provided with the rectifier, the screen wave loop and the inverter respectively, the rectifier and the inverter are electrically connected with the screen wave loop, the surfaces of the three mounting boxes 3 are provided with the radiating grooves 4, the inner walls of the three radiating grooves 4 are fixedly provided with the radiating fins 7, the radiating fins 7 are utilized to radiate heat generated by the rectifier, the screen wave loop and the inverter during working, the surface of the cleaning block 11 is fixedly provided with the brush layer which slides with the radiating fins 7, the brush layer is attached to the convex strips of the radiating fins 7, the radiating fins 7 are convenient to clean, the guide rod 10 is pushed, the guide rod 10 pushes the cleaning block 11 to move, the guide rod 10 drives the brush layer to clean the radiating fins 7, the driving motor 53 is further started through the driving motor switch, the driving motor 53 rotates to drive the connecting screw rod 54 to rotate, the connecting screw rod 54 drives the movable ring 56 to move downwards, the movable ring 56 drives the transmission block 58 to move horizontally through the hinged transmission strip 59, the transmission block 58 drives the sliding tube 57 to slide horizontally along the surface of the sliding rod 55, the transmission block 58 drives the cleaning block 11 to slide through the guide rod 10, the cleaning block 11 moves to drive the hairbrush layer on the surface to move, the surface of the radiating fin 7 is cleaned, the swept dust falls off after losing the support of the radiating fin 7, the worker is convenient to clean the radiating fins 7 on the top of the three mounting boxes 3 at the same time, more time and labor are saved, the hole of the sound absorbing cotton can buffer and absorb the sound wave of noise generated when the driving motor 53 works, noise reduction is realized, the body health of the worker is facilitated, the protection cover 62 protects the driving motor 53 when the driving motor 53 is required to be overhauled, the protection cover 62 is rotated to promote the separation of the protection cover 62 and the auxiliary pipe 61, and the driving motor 53 can be overhauled by lifting the protection cover 62 through the handle 63, so that the maintenance is very convenient.

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 (7)

1. The utility model provides a split type contravariant unit structure, includes connection pad (1), its characterized in that, the fixed surface of connection pad (1) is equipped with three connecting plate (2), three the surface of connecting plate (2) is all fixed and is equipped with install bin (3), three the inside of install bin (3) is fixed respectively and is equipped with rectifier, screen ripples return circuit and dc-to-ac converter, and rectifier and dc-to-ac converter all with screen ripples return circuit electric connection, three radiating groove (4) have all been seted up to the surface of install bin (3), three radiating groove (4)'s inner wall is all fixed and is equipped with fin (7), three the top of install bin (3) is all fixed and is equipped with guide block (8), three two guiding hole (9) have all been seted up on the surface of guide block (8), six the equal sliding connection of inner wall of guiding hole (9) has guide bar (10), every two corresponding one end of guide bar (10) is all fixed and is equipped with cleaning block (11), three the surface of cleaning block (11) is all fixed and is equipped with fin (7), driving assembly (1).

2. The split type inverter unit structure according to claim 1, wherein: the driving assembly (5) comprises a support (51), a supporting cylinder (52), a driving motor (53) and an auxiliary assembly (6), wherein the support (51) and the supporting cylinder (52) are fixedly arranged at the top end of a connecting disc (1), a connecting screw rod (54) is rotatably connected between the support (51) and the supporting cylinder (52) through a bearing, a movable ring (56) is fixedly arranged on the surface of the connecting screw rod (54) through screw nut threaded connection, three sliding rods (55) are fixedly arranged on the surface of the supporting cylinder (52), sliding tubes (57) are fixedly arranged on the surface of each sliding rod (55), transmission blocks (58) are fixedly arranged on the surface of each sliding tube (57), the top ends of the transmission blocks (58) are hinged with transmission rods (59) through hinged seats, the surfaces of the transmission rods (59) are fixedly arranged at the top end of the support (51) through hinged seats, and the driving motor (53) are fixedly connected with one end of the screw rod (54) of the driving motor (53) in a positive and negative mode.

3. The split type inverter unit structure according to claim 2, wherein: one end of each of the three sliding rods (55) is fixedly connected with the surfaces of the three guide blocks (8), and the contact parts of the three transmission blocks (58) and the six guide rods (10) are fixedly connected.

4. The split type inverter unit structure according to claim 2, wherein: the surface of the support (51) is fixedly provided with a switch panel (12), and a plurality of reinforcing ribs are fixedly arranged between the support (51) and the connecting disc (1).

5. The split type inverter unit structure according to claim 2, wherein: the auxiliary assembly (6) comprises an auxiliary pipe (61), the auxiliary pipe (61) is fixedly arranged at the top end of the support (51), a protective cover (62) is connected to the surface of the auxiliary pipe (61) in a threaded mode, and a handle (63) is fixedly arranged at the top end of the protective cover (62).

6. The split type inverter unit structure according to claim 5, wherein: the surface fixing of protection casing (62) is equipped with a plurality of strip of making an uproar (13) that falls, a plurality of the inside of strip of making an uproar (13) all sets up to the cavity, a plurality of the inside of strip of making an uproar (13) of making an uproar all fills and inhale the sound cotton.

7. The split type inverter unit structure according to claim 4, wherein: the surface of the switch panel (12) is provided with a driving motor switch, and the driving motor (53) is electrically connected with an external power supply through the driving motor switch.