CN218733847U

CN218733847U - Protective cover for frequency converter

Info

Publication number: CN218733847U
Application number: CN202222855083.5U
Authority: CN
Inventors: 卢芳; 卢莉
Original assignee: Foshan Fangwo Electromechanical Equipment Co ltd
Current assignee: Foshan Fangwo Electromechanical Equipment Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-24
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to a converter technical field, concretely relates to converter safety cover, including the housing, the front of housing is provided with the shroud, the left and right sides of housing all is provided with the radiating block, the inside left and right sides of housing all is provided with first dust guard, the bottom of housing is provided with the air inlet board, the back of air inlet board is provided with the second dust guard, the inside one side relative with the second dust guard of housing is provided with two sets of mounting brackets, the inside of mounting bracket is provided with the fan, the inside of housing is provided with the converter mounting panel, the front of converter mounting panel is provided with the converter, the converter passes through mount fixed mounting on the converter mounting panel, be provided with the fin on the mount, compare with current converter safety cover, the utility model discloses a design can promote whole thermal diffusivity, convenience and the practicality of converter safety cover.

Description

Protective cover for frequency converter

Technical Field

The utility model relates to a converter technical field, concretely relates to converter safety cover.

Background

Along with the increasingly rapid development of life needs and scientific and technological progress of people, a frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor, and mainly comprises a rectification unit (alternating current to direct current), a filtering unit, an inversion unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like, wherein the frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off an internal IGBT (insulated gate bipolar translator), provides the required power supply voltage according to the actual needs of the motor, and further achieves the purposes of energy saving and speed regulation;

when the converter is in use, need use the safety cover to protect the converter, avoid receiving the use that environmental factor influences the converter, current partial converter is by the converter shell, the converter apron, converter mainboard and basic radiator fan constitute, louvre and ventilation hole have been seted up to converter shell side or bottom usually, radiator fan fixed mounting is at the inboard top of converter shell, converter mainboard fixed mounting is in the inside radiator fan's of converter shell below, when converter mainboard work, converter shell and converter apron are closed, the converter mainboard produces heat in inside easily and piles up in the converter shell, because be provided with many electronic device on the converter mainboard, area of contact with the air is less, hardly go out the heat transfer, drive the radiating mode of air current to the converter mainboard through radiator fan, this kind of radiating mode inefficiency, burn out the electronic device in the use easily and take place accident, the fixed of spare part, mostly with converter apron and the inside of other spare part fixed mounting at the converter shell in order to make things convenient for convenience, follow-up overhauls the time that maintains need the cost with inside part and carries out the dismouting, very much more.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a converter safety cover to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a converter safety cover, includes the housing, the front of housing is provided with the shroud, the left and right sides of housing all is provided with the radiating block, the inside left and right sides of housing all is provided with first dust guard, the bottom of housing is provided with the air inlet board, the back of air inlet board is provided with the second dust guard, the inside one side relative with the second dust guard of housing is provided with two sets of mounting brackets, the inside of mounting bracket is provided with the fan, the inside of housing is provided with the converter mounting panel, the front of converter mounting panel is provided with the converter, the converter passes through mount fixed mounting on the converter mounting panel, be provided with the fin on the mount.

As the utility model discloses preferred scheme, the louvre has been seted up with the corresponding position department of radiating block to the housing inboard, the bottom of housing is provided with the support, the front of cover door is provided with the access door, be provided with the observation window on the access door.

As the utility model discloses preferred scheme, the slot has been seted up with the position department that first dust guard corresponds to the housing, first dust guard is sliding connection with the connected mode of slot, two sets of handle slots have been seted up to the inboard of first dust guard, first dust guard all is provided with the dust screen with the inside of second dust guard.

As the utility model discloses preferred scheme, the embedded groove has been seted up with the position department that air inlet plate and second dust guard correspond to the housing, the inboard of embedded groove is provided with the baffle.

As the utility model discloses preferred scheme, the draw-in groove has been seted up to the inside of mounting bracket, the inner structure size of draw-in groove becomes corresponding design with the outer structure size of fan.

As the preferred scheme of the utility model, the mount forms for the preparation of copper aluminium alloy material, the fin is integral type structural design with the mount.

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

1. the utility model discloses in, through the radiating block, the fan, the mount, the fin, the cooperation design of first dust guard and second dust guard, make housing inside air constantly and external circulation through the radiating block, tentatively dispel the heat inside the housing, then heat-conduction through the mount, the heat that produces the converter during operation passes to the fin, further increase heat radiating area through the fin, the fan rotates the inside circulation of air of drive housing simultaneously, dispel the heat to the fin, further improve the inside radiating effect of housing, prevent that the converter safety cover from producing the heat when using and piling up, cause the electron device in use to take place to damage.

2. The utility model discloses in, through the design of housing and, mounting bracket, converter and converter mounting panel, when convenient to the converter installation is fixed, the dismantlement to spare part on the housing is more swift, is convenient for follow-up overhauls the maintenance to converter and inside part.

Drawings

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

FIG. 2 is a schematic view of the structure of the cover of the present invention;

FIG. 3 is a schematic view of a first dust-proof plate structure of the present invention;

fig. 4 is a schematic diagram of the structure of the air inlet plate and the second dust guard plate of the present invention;

fig. 5 is a schematic view of the structure of the frequency converter mounting plate of the present invention.

In the figure: 1. a housing; 2. a cover door; 3. a heat dissipating block; 4. a first dust-proof plate; 5. an air inlet plate; 6. a second dust-proof plate; 7. a mounting frame; 8. a fan; 9. a frequency converter mounting plate; 10. a frequency converter; 11. a fixed mount; 12. a heat sink; 13. a slot; 14. a handle slot; 15. a dust screen; 16. a groove is embedded; 17. a clamping groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

To facilitate understanding of the invention, several embodiments of the invention will be described below with reference to the accompanying drawings, but the invention can be implemented in many different forms and is not limited to the embodiments described herein, but rather these embodiments are provided to make the disclosure more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Examples

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a converter safety cover, including housing 1, the front of housing 1 is provided with cover door 2, the left and right sides of housing 1 all is provided with radiating block 3, the inside left and right sides of housing 1 all is provided with first dust guard 4, the bottom of housing 1 is provided with air inlet plate 5, the back of air inlet plate 5 is provided with second dust guard 6, the inside one side relative with second dust guard 6 of housing 1 is provided with two sets of mounting brackets 7, the inside of mounting bracket 7 is provided with fan 8, the inside of housing 1 is provided with converter mounting panel 9, the front of converter mounting panel 9 is provided with converter 10, converter 10 passes through mount 11 fixed mounting on converter mounting panel 9, be provided with fin 12 on the mount 11.

In this embodiment, the implementation scenario specifically includes: when assembling the converter safety cover, install converter mounting panel 9 in the inside of housing 1 earlier, then put into converter 10 on converter mounting panel 9, fix converter 10 on converter mounting panel 9 through mount 11, after the installation of converter 10 is accomplished, insert the left and right sides of housing 1 inside with first dust guard 4, then inlay second dust guard 6 in the bottom of housing 1, close air inlet 5 immediately and fix second dust guard 6 in the inboard of air inlet 5, install air inlet 5 and second dust guard 6 together in the bottom of housing 1, then insert fan 8 on housing 1 inside mounting bracket 7, install cover door 2 in the front of housing 1 at last, accomplish the installation back, start converter 10 and begin work, make housing 1 inside air circulate with the external world constantly through heat dissipation piece 3, preliminarily dispel the heat to housing 1 inside, then heat-conduction through mount 11, pass the heat that converter 10 during operation produced to fin 12, further increase heat radiating area through fin 12, fan 8 rotates and drives the inside circulation of housing 1 simultaneously, the circulation of air of housing 1 is to the inside heat dissipation of housing 12, the convenience of the heat dissipation of the heat efficiency of the whole heat dissipation of the heat efficiency of converter is improved through the utility model discloses the utility model, the utility model discloses a heat dissipation cover is convenient and the heat dissipation of a heat exchanger is compared with the utility model.

Firstly, referring to fig. 1-3, heat dissipation holes are formed in the inner side of the housing 1 at positions corresponding to the heat dissipation blocks 3, and the heat dissipation holes are communicated with the inside of the heat dissipation blocks 3, so that air inside the housing 1 constantly circulates with the outside, primary heat dissipation is performed inside the housing 1, a support is arranged at the bottom of the housing 1, an access door is arranged on the front side of the housing door 2, an observation window is arranged on the access door, the operation condition of the frequency converter 10 inside the housing 1 can be observed at any time through the observation window, and the inside is periodically overhauled;

further, slot 13 has been seted up with the corresponding position department of first dust guard to housing 1, first dust guard 4 is sliding connection with slot 13's connected mode, two sets of handle grooves 14 have been seted up to first dust guard 4's inboard, when installing first dust guard 4, can insert inside housing 1 first dust guard 4 through slot 13, so that to first dust guard 4 quick assembly disassembly, first dust guard 4 all is provided with dust screen 15 with second dust guard 6's inside, dust screen 15's design can effectively block the dust granule in the air, dust backward flow is drawn into in housing 1 when avoiding the heat dissipation.

Referring to fig. 1-5, an embedded groove 16 is formed in a position of the housing 1 corresponding to the air inlet plate 5 and the second dust-proof plate 6, a partition is disposed inside the embedded groove 16, the second dust-proof plate 6 and the air inlet plate 5 are sequentially placed into the embedded groove 16, a clamping groove 17 is formed inside the mounting frame 7, the internal structure size of the clamping groove 17 corresponds to the external structure size of the fan 8, the fan 8 can be directly clamped into the clamping groove 17 through the clamping groove 17 to fix the fan 8, the second dust-proof plate 6 and the air inlet plate 5 are mounted at the bottom of the housing 1 and are matched with the fan 8, so that the fan 8 rotates to bring air into the housing 1, meanwhile, the second dust-proof plate 6 is easy to accumulate dust, dust can be removed at any time at the bottom of the housing 1, the mounting frame 11 is made of a copper-aluminum alloy material, the heat dissipation fins 12 and the mounting frame 11 are designed in an integrated structure, so that heat generated when the frequency converter 10 operates is transferred to the heat dissipation fins 12, the heat dissipation area is further increased through the heat dissipation fins 12, and the air inside the housing 1 is driven by the rotation of the fan 8, and the heat dissipation effect is further improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a converter safety cover, includes housing (1), its characterized in that: the front of housing (1) is provided with cover door (2), the left and right sides of housing (1) all is provided with radiating block (3), the inside left and right sides of housing (1) all is provided with first dust guard (4), the bottom of housing (1) is provided with air inlet plate (5), the back of air inlet plate (5) is provided with second dust guard (6), the inside one side relative with second dust guard (6) of housing (1) is provided with two sets of mounting bracket (7), the inside of mounting bracket (7) is provided with fan (8), the inside of housing (1) is provided with converter mounting panel (9), the front of converter mounting panel (9) is provided with converter (10), converter (10) are through mount (11) fixed mounting on converter mounting panel (9), be provided with fin (12) on mount (11).

2. A protective cover for a frequency converter according to claim 1, wherein: the heat dissipation device is characterized in that heat dissipation holes are formed in the positions, corresponding to the heat dissipation blocks (3), of the inner side of the housing (1), a support is arranged at the bottom of the housing (1), an access door is arranged on the front face of the housing door (2), and an observation window is arranged on the access door.

3. A protective cover for a frequency converter according to claim 1, characterized in that: the dustproof device is characterized in that a slot (13) is formed in the position, corresponding to the first dustproof plate (4), of the housing (1), the first dustproof plate (4) is connected with the slot (13) in a sliding mode, two groups of handle grooves (14) are formed in the inner side of the first dustproof plate (4), and dustproof nets (15) are arranged inside the first dustproof plate (4) and the second dustproof plate (6).

4. A protective cover for a frequency converter according to claim 1, characterized in that: the cover shell (1) is provided with an embedded groove (16) at a position corresponding to the air inlet plate (5) and the second dust-proof plate (6), and a partition plate is arranged on the inner side of the embedded groove (16).

5. A protective cover for a frequency converter according to claim 1, wherein: the fan is characterized in that a clamping groove (17) is formed in the mounting rack (7), and the size of the inner structure of the clamping groove (17) and the size of the outer structure of the fan (8) are designed correspondingly.

6. A protective cover for a frequency converter according to claim 1, characterized in that: the fixing frame (11) is made of copper-aluminum alloy materials, and the radiating fins (12) and the fixing frame (11) are designed in an integrated structure.