CN211046749U

CN211046749U - Novel variable frequency power supply device

Info

Publication number: CN211046749U
Application number: CN202020183065.5U
Authority: CN
Inventors: 于连广; 王昌烨; 史振滨
Original assignee: Jinan Langrui Electric Co ltd
Current assignee: Jinan Langrui Electric Co ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-07-17
Anticipated expiration: 2030-02-18

Abstract

The utility model relates to the technical field of variable frequency power supply devices, and discloses a novel variable frequency power supply device, which comprises a power cabinet and a base, wherein a fan and two filter screens are respectively arranged in a box body, heat generated by the work in a cavity of the power cabinet enters a heat dissipation grid in the cavity of the base through a through hole at the bottom, hot air and cold air entering from a heat dissipation port realize heat exchange, the effect of cooling the cavity of the power cabinet is achieved, meanwhile, the two filter screens prevent dust and dirt in the air from entering the cavity of the power cabinet, after the maintenance and replacement of the fan and the filter screens are realized by arranging a reset spring in the cavity at the inner side of a slide block, the box body automatically shrinks into the cavity of the base under the action of pulling force, the operation is simple, the practicability is strong, the difficulty of replacement and maintenance is reduced, compared with the heat dissipation fan installed in the traditional power cabinet, the utility model is not only simple in structure, do benefit to daily maintenance and maintenance more moreover.

Description

Novel variable frequency power supply device

Technical Field

The utility model relates to a variable frequency power supply technical field specifically is a novel variable frequency power supply device.

Background

The variable frequency power supply outputs pure sine waves by AC → DC → AC conversion of alternating current in commercial power, and the output frequency and voltage are adjustable within a certain range. It is different from frequency-changing speed-regulating controller for motor speed regulation and common AC voltage-stabilizing power supply.

But the variable frequency power supply unit on the existing market is not only complicated in structure, and the function is single, variable frequency power supply unit carries out under the condition of work for a long time, will produce a large amount of heats, the gathering can't in time get rid of in variable frequency power supply unit inside, lead to equipment trouble easily, influence the normal use of equipment, current technique is generally through dispelling the heat to variable frequency power supply inside with adding radiator fan, radiator fan uses then to maintain for a long time, but the variable frequency power supply heat abstractor's that often is not convenient for in prior art's design overhauls and changes, the practicality is reduced, maintenance personal's working strength has been increased. Therefore, in order to solve the above problems, it is desirable to provide a novel variable frequency power supply device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel variable frequency power supply device, possess increase heat dissipation intensity, be convenient for the maintenance change and prevent that the dust from entering into advantages such as power supply unit inside, solved the problem that prior art structure is complicated and be not convenient for maintenance and change.

(II) technical scheme

In order to realize the above-mentioned increase heat radiation intensity, be convenient for the maintenance change and prevent that the dust from entering into the inside purpose of power supply unit, the utility model provides a following technical scheme: a novel variable frequency power supply device comprises a power supply cabinet and a base, wherein the power supply cabinet is a variable frequency power supply device body, the power supply cabinet is arranged at the top of the base, a through hole is formed in the bottom of the power supply cabinet, the base is a hollow rectangular body with a rectangular groove formed in the top, a plurality of radiating grids are fixedly arranged in the rectangular groove in the top of the base, the radiating grids are rectangular bodies and are fixedly arranged in a rectangular groove cavity in the top of the base, the through hole in the bottom of the power supply cabinet is mutually communicated with the radiating grids, a drawing device is arranged in the hollow cavity of the base and comprises a box body, sliding blocks, a fan and a filter screen, the box body is a rectangular hollow box body, sliding grooves are respectively formed in two sides in the cavity of the base, the sliding grooves are rectangular grooves, the box body is movably arranged in the sliding groove cavities, the sliding blocks, two sliders block respectively in the spout intracavity, box body intracavity bottom fixed mounting has the power, the power of fan signal of telecommunication connection box body intracavity, the quantity of filter screen is two, two filter screens are fixed mounting respectively and are just located the upper and lower both ends of box body in the upper and lower both sides of fan, the inboard intracavity of two sliders all is provided with reset spring, reset spring's one end fixed connection is in the slider intracavity, and reset spring's other end fixed connection is on base intracavity inner wall, the spring is located same level with the slider, the equal fixed mounting of two slider one ends has the stopper, the stopper is that a rectangular block and stopper all are located spout intracavity inboard, the thermovent has been seted up at the base top, the thermovent is located the filter.

Preferably, four universal wheels are fixedly installed at the bottom of the base through four supporting legs.

Preferably, the heat dissipation grids are uniformly distributed in the rectangular grooves in the top of the base.

Preferably, the two sliding grooves are bilaterally symmetrical.

Preferably, the bottom of the fan is arranged in the box body cavity through three fixing rods.

Preferably, the shape of the heat dissipation opening is circular.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel variable frequency power supply device possesses following beneficial effect:

1. this novel variable frequency power supply device, through set up fan and two filter screens in the box body respectively, realized under the fan normal operating conditions, the heat that power cabinet intracavity work produced enters into the radiator grille of base intracavity through the through-hole of bottom in, the heat exchange is realized with the cold air that the thermovent got into to hot-air, the effect to power cabinet intracavity cooling has been reached, and simultaneously, two filter screens have realized preventing that dust and the filth in the air from entering into the power cabinet intracavity, protected electrical components in the power cabinet not by dust pollution, avoid causing the problem of short circuit.

2. This novel variable frequency power supply device, through set up reset spring in the inboard intracavity of slider, realized maintaining fan and filter screen and when changing, the pull slider, the box body stretches out from the base intracavity, changes behind filter screen and the fan, and the box body is automatic to be contracted into the base intracavity under the effect of pull, and easy operation and practicality are strong, have reduced the degree of difficulty of change and maintenance, the radiator fan of installation in the traditional power cabinet of comparing, the utility model is not only simple in structure, do benefit to daily maintenance and maintenance more moreover, reduced the operation of opening the power cabinet, play the effect that prevents in the air that the dust from entering into the power cabinet.

Drawings

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

FIG. 2 is a schematic view of the main body of the drawing device of the present invention;

FIG. 3 is a front view of the base of the present invention;

fig. 4 is a side view of the base of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 4 according to the present invention.

In the figure: 1 power cabinet, 2 bases, 3 heat dissipation grids, 4 drawing devices, 401 boxes, 402 sliders, 403 fans, 404 filter screens, 5 sliding grooves, 6 reset springs, 7 limiting blocks and 8 heat dissipation openings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a novel variable frequency power supply device comprises a power supply cabinet 1 and a base 2, wherein the power supply cabinet 1 is a variable frequency power supply device body, a variable frequency power supply is the prior art and is not described herein any more, the power supply cabinet 1 is arranged at the top of the base 2, a through hole is arranged at the bottom of the power supply cabinet 1, the base 2 is a hollow cuboid body with a rectangular groove at the top, four universal wheels are fixedly arranged at the bottom of the base 2 through four supporting legs, a plurality of radiating grids 3 are fixedly arranged in the rectangular groove at the top of the base 2, the plurality of radiating grids 3 are uniformly distributed in the rectangular groove at the top of the base 2, the radiating grids 3 are cuboid bodies, the radiating grids 3 are fixedly arranged in the rectangular groove at the top of the base 2, the through hole at the bottom of the power supply cabinet 1 is communicated with the radiating grids 3, a drawing device 4 is arranged in the hollow cavity of the base 2, the drawing device, the box body 401 is a rectangular hollow box body, two sliding grooves 5 are respectively arranged on two sides in the cavity of the base 2, the sliding grooves 5 are rectangular grooves, the two sliding grooves 5 are bilaterally symmetrical, the box body 401 is movably arranged in the cavity of the sliding grooves 5, the sliding blocks 402 are hollow rectangular blocks, the number of the sliding blocks 402 is two, the two sliding blocks 402 are respectively and fixedly arranged on two sides of the box body 401 and are symmetrical, the two sliding blocks 402 are respectively clamped in the cavity of the sliding grooves 5, the bottom of the fan 403 is arranged in the cavity of the box body 401 through three fixing rods, the fan 403 is the prior art and is not repeated here, the power supply is fixedly arranged at the bottom in the cavity of the box body 401, the electric signal of the fan 403 is connected with the power supply in the cavity of the box body 401, the number of the filter screens 404 is two, the two filter screens 404 are respectively and fixedly, and reset spring 6's other end fixed connection is on 2 intracavity walls of base, spring 6 is located same level with slider 402, the equal fixed mounting of two slider 402 one ends has stopper 7, stopper 7 is a rectangular block and stopper 7 all is located 5 intracavity inboards of spout, the stopper 7 of two slider 402 intracavity one ends prevents that box body 401 from stretching out in spout 5 completely, restrict its maximum motion range, under normal conditions, under two reset spring 6's effect, slider 402 drives box body 401 and is in under reset spring 6's pulling force effect always, box body 401 is accomodate in 2 intracavity of base, circular shape thermovent 8 has been seted up at 2 tops of base, thermovent 8 is located filter screen 404 under.

When in use, the bottom of the power cabinet 1 is placed in a rectangular groove at the top of the base 2, the power cabinet 1 can be transported through four universal wheels at the bottom of the base 2, the position of the power cabinet can be conveniently and rapidly adjusted to meet the use requirement, under the normal condition of the power cabinet 1, the fan 403 and the two filter screens 404 are respectively arranged in the box body 401, under the normal working condition of the fan 403, the heat generated by the work in the cavity of the power cabinet 1 enters the radiating grid 3 in the cavity of the base 2 through the through hole at the bottom, the heat exchange between the hot air and the cold air entering from the radiating port 8 is realized, the effect of cooling the cavity of the power cabinet 1 is achieved, meanwhile, the two filter screens 404 prevent the dust and dirt in the air from entering the cavity of the power cabinet 1, the electric elements in the power cabinet 1 are protected from being polluted by the dust, the problem of short circuit is caused, by arranging the reset spring 6 in the inner side cavity of the, realized maintaining and when changing fan 403 and filter screen 404, pull slider 402, box body 401 stretches out from the 2 intracavitys of base, changes filter screen 404 and fan 403 back, and box body 401 is automatic under the effect of pulling force to be contracted into the 2 intracavitys of base, and easy operation and practicality are strong, have reduced the degree of difficulty of change and maintenance, compare the radiator fan of installation in the traditional power cabinet 1, the utility model is not only simple in structure, do benefit to daily maintenance and maintenance more moreover, reduced the operation of opening power cabinet 1, play the effect that prevents in the air that the dust from entering into power cabinet 1.

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 novel variable frequency power supply device, includes power cabinet (1) and base (2), its characterized in that: the power cabinet (1) is arranged at the top of the base (2), a through hole is formed in the bottom of the power cabinet (1), the base (2) is a hollow rectangular body with a rectangular groove at the top, a heat dissipation grid (3) is fixedly arranged in the rectangular groove at the top of the base (2), a drawing device (4) is arranged in a hollow cavity of the base (2), the drawing device (4) is composed of a box body (401), sliding blocks (402), fans (403) and a filter screen (404), the box body (401) is a rectangular hollow box body, sliding grooves (5) are respectively formed in two sides in the cavity of the base (2), the sliding blocks (402) are hollow rectangular blocks, the number of the sliding blocks (402) is two, the two sliding blocks (402) are respectively and fixedly arranged on two sides of the box body (401) and are symmetrical, the two sliding blocks (402) are respectively clamped in the cavities of the sliding grooves (5), the fans, the number of filter screens (404) is two, and two filter screens (404) are respectively fixed mounting in the upper and lower both sides of fan (403) and are located the upper and lower both ends of box body (401), and thermovent (8) have been seted up at base (2) top.

2. The novel variable frequency power supply device according to claim 1, characterized in that: the heat dissipation grating (3) is a rectangular body, and the through holes in the bottom of the power cabinet (1) are communicated with the heat dissipation grating (3).

3. The novel variable frequency power supply device according to claim 1, characterized in that: two the inboard intracavity of slider (402) all is provided with reset spring (6), and the one end fixed connection of reset spring (6) is in slider (402) intracavity, and the other end fixed connection of reset spring (6) is on base (2) intracavity inner wall, and spring (6) and slider (402) are located same level.

4. The novel variable frequency power supply device according to claim 1, characterized in that: two equal fixed mounting in slider (402) one end has stopper (7), and stopper (7) are a rectangular block and stopper (7) all are located spout (5) intracavity inboard.

5. The novel variable frequency power supply device according to claim 1, characterized in that: the shape of thermovent (8) is circular, and thermovent (8) is located under filter screen (404).