CN210927439U - Dustproof shell of frequency converter - Google Patents

Abstract

The utility model discloses a dust-proof housing of converter, including converter base plate, dust cover and installation frame: the draw-in groove has been seted up to the surface both sides of converter base plate, the surface at the draw-in groove is installed in the dust cover joint, the louvre has evenly been seted up to the both sides of dust cover, the installation frame is fixed the both sides of dust cover, the installation frame is located the outside of louvre, the spout has been seted up to the internal surface both sides of installation frame, the fixed surface elastic steel piece of spout, the inside sliding connection of spout has the stationary blade, the inside extrusion of stationary blade forms the recess, the internally mounted of recess has the active carbon to filter the sponge, the through-hole has been seted up to the inside of recess, the both sides integrated into one piece of stationary blade has the engaging lug, the engaging lug is fixed the inside of spout, the utility model discloses be convenient for dismantle the clearance to the dustproof construction.

Description

Dustproof shell of frequency converter

Technical Field

The utility model relates to a converter technical field, in particular to dust guard housing of converter.

Background

The frequency converter is a power control device which applies frequency conversion technology and 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 and a microprocessing unit. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.

At present, the dustproof construction of converter radiating hole department is generally not convenient for dismantle, uses for a long time to influence the radiating effect easily, just so urgently needs the dustproof housing of a converter.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a dust-proof housing of converter solves converter radiating hole department dust-proof structure and is not convenient for dismantle, uses the problem that influences the radiating effect easily for a long time, and dust-proof structure has been fixed through the mode of joint in this converter's dust-proof housing radiating hole department, is convenient for dismantle, conveniently clears up the radiating effect who keeps the converter.

In order to solve the technical problem, the utility model discloses a technical scheme does: the utility model provides a dust-proof housing of converter, includes converter base plate, dust cover and installation frame: the utility model discloses a converter, including converter base plate, mounting frame, connecting lug, draw-in groove, louvre has evenly been seted up to the surface both sides of converter base plate, the surface at the draw-in groove is installed in the dust proof housing joint, the louvre has evenly been seted up to the both sides of dust proof housing, the mounting frame is fixed the both sides of dust proof housing, the mounting frame is located the outside of louvre, the spout has been seted up to the internal surface both sides of mounting frame, the fixed surface elastic steel piece of spout, the inside sliding connection of spout has the stationary blade, the inside extrusion of stationary blade forms the recess, the internally mounted of recess has active carbon to filter the.

Preferably, the surface of the clamping groove is provided with four positioning holes which are symmetrically arranged, and the positioning holes are waist-shaped holes.

Preferably, fixing pieces penetrate through two sides of the dustproof shell, the end portions of the fixing pieces are connected to the surface of the frequency converter substrate in a threaded mode, ten fixing pieces are symmetrically arranged on the fixing pieces, and the fixing pieces are bolts.

Preferably, a pulling hole is formed in the groove and is located above the through hole.

Preferably, eight elastic steel sheets are symmetrically arranged, and the cross section of each elastic steel sheet is arc-shaped.

Preferably, the surface of the connecting lug is provided with a positioning groove, and the positioning groove is matched with the elastic steel sheet in shape.

Advantageous effects

The utility model discloses a setting of installation frame and spout, can be convenient with the inside of engaging lug sliding insertion spout of stationary blade both sides, then extrude the surface of engaging lug through the inside elastic steel sheet of spout, thereby the engaging lug laminating is around the both sides louvre of dust cover, at this moment, install the active carbon filter sponge in the inside recess of stationary blade and can just in time laminate the surface at the louvre, like this at the radiating in-process of converter work, can filter the sponge through active carbon and filter the blocking to the dust, can dispel the heat through the through-hole simultaneously, can directly upwards lift the stationary blade in the long-time use, thereby take out in the spout with the stationary blade can, be convenient for dismantle the clearance to the dustproof construction of converter louvre department when not influencing the radiating like this, guarantee the radiating effect of converter.

Drawings

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

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

fig. 3 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 4 is a schematic side view of the dustproof case of the present invention;

fig. 5 is a schematic top view of the cross-sectional structure of the present invention;

fig. 6 is a schematic view of the front view cross section structure of the installation frame of the present invention.

In the figure: 1. a frequency converter substrate; 2. a card slot; 201. positioning holes; 3. a dust-proof shell; 301. a fixing member; 4. heat dissipation holes; 5. a mounting frame; 6. a chute; 7. an elastic steel sheet; 8. a fixing sheet; 9. a groove; 901. lifting and pulling the hole; 10. activated carbon filter sponge; 11. a through hole; 12. connecting lugs; 1201. and (6) positioning a groove.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

According to fig. 1-3, the clamping grooves 2 are formed in two sides of the outer surface of the frequency converter substrate 1, the positioning holes 201 are formed in the surface of the clamping grooves 2, the four positioning holes 201 are symmetrically arranged, the positioning holes 201 are waist-shaped holes, the frequency converter substrate 1 can be conveniently installed and fixed through the arrangement of the four positioning holes 201, and meanwhile, the positioning holes 201 are waist-shaped holes, so that the installation fault tolerance rate can be improved.

According to fig. 2, 4 and 5, the dustproof case 3 is clamped and installed on the surface of the clamping groove 2, fixing pieces 301 penetrate through the two sides of the dustproof case 3, the end portion of each fixing piece 301 is in threaded connection with the surface of the frequency converter substrate 1, the fixing pieces 301 are arranged ten symmetrically, the fixing pieces 301 are bolts, and the dustproof case 3 can be conveniently detached and installed more stably through the arrangement of the fixing pieces 301.

According to fig. 5 and 6, louvre 4 has evenly been seted up to the both sides of dust cover 3, installation frame 5 is fixed in the both sides of dust cover 3, installation frame 5 is located louvre 4's outside, spout 6 has been seted up to the internal surface both sides of installation frame 5, spout 6's fixed surface elastic steel piece 7, spout 6's inside sliding connection has stationary blade 8, the inside extrusion of stationary blade 8 forms recess 9, the internally mounted of recess 9 has activated carbon to filter sponge 10, through-hole 11 has been seted up to the inside of recess 9, the both sides integrated into one piece of stationary blade 8 has engaging lug 12, engaging lug 12 fixes the inside at spout 6.

According to fig. 5 and 6, a pulling hole 901 is formed inside the groove 9, and the pulling hole 901 is located above the through hole 11; through the arrangement of the lifting hole 901, fingers can be conveniently inserted into the lifting hole 901 to detach the fixing piece 8; eight elastic steel sheets 7 are symmetrically arranged, and the cross section of each elastic steel sheet 7 is arc-shaped; constant head tank 1201 has been seted up on engaging lug 12's surface, and constant head tank 1201 sets up for the phase-match with the shape of elastic steel sheet 7, and through the setting of elastic steel sheet 7 and constant head tank 1201, can make things convenient for elastic steel sheet 7 to produce the extrusion fixed to engaging lug 12, fixes a position elastic steel sheet 7 through also being convenient for, prevents to slide.

The structure principle is as follows: through the arrangement of the installation frame 5 and the sliding groove 6, the connection lugs 12 at two sides of the fixed sheet 8 can be conveniently inserted into the sliding groove 6 in a sliding manner, then the elastic steel sheets 7 in the sliding groove 6 are clamped in the grooves 9 on the surfaces of the connection lugs 12, the surfaces of the connection lugs 12 are extruded, so that the connection lugs 12 are attached to the peripheries of the heat dissipation holes 4 at two sides of the dustproof shell 3, at the moment, the activated carbon filter sponge 10 arranged in the grooves 9 in the fixed sheet 8 can be just attached to the surfaces of the heat dissipation holes 4, so that in the working heat dissipation process of the frequency converter, dust can be filtered and blocked through the activated carbon filter sponge 10, meanwhile, heat dissipation can be carried out through the through holes 11, in the long-time use process, the fixed sheet 8 can be upwards pulled through the fingers inserted into the pulling holes 901, the fixed sheet 8 is taken out of the sliding groove 6, thus the dust-proof structure at the heat, the heat dissipation effect of the frequency converter is ensured.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims (6)

1. The utility model provides a dust-proof housing of converter which characterized in that, includes converter base plate, dust cover and installation frame: the utility model discloses a converter, including converter base plate, mounting frame, connecting lug, draw-in groove, louvre has evenly been seted up to the surface both sides of converter base plate, the surface at the draw-in groove is installed in the dust proof housing joint, the louvre has evenly been seted up to the both sides of dust proof housing, the mounting frame is fixed the both sides of dust proof housing, the mounting frame is located the outside of louvre, the spout has been seted up to the internal surface both sides of mounting frame, the fixed surface elastic steel piece of spout, the inside sliding connection of spout has the stationary blade, the inside extrusion of stationary blade forms the recess, the internally mounted of recess has active carbon to filter the.

2. The dust-proof housing of the frequency converter according to claim 1, wherein the surface of the slot has four positioning holes, and the four positioning holes are symmetrically disposed, and the positioning holes are kidney-shaped holes.

3. The dustproof housing of the frequency converter according to claim 1, wherein fixing members are penetrated through two sides of the dustproof housing, end portions of the fixing members are screwed on the surface of the frequency converter substrate, ten fixing members are symmetrically arranged on the fixing members, and the fixing members are bolts.

4. The dust-proof housing of claim 1, wherein a pulling hole is formed in the groove, and the pulling hole is located above the through hole.

5. The dust-proof housing of claim 1, wherein eight pieces of resilient steel are symmetrically arranged, and the cross-sectional shape of the resilient steel is arc-shaped.

6. The dust-proof casing of the frequency converter according to claim 1, wherein the surface of the connecting lug is provided with a positioning groove, and the positioning groove is matched with the elastic steel sheet in shape.

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