CN213072461U

CN213072461U - Frequency converter protection device

Info

Publication number: CN213072461U
Application number: CN202021548921.9U
Authority: CN
Inventors: 李兆杰
Original assignee: Shandong Bohai Electric Technology Co ltd
Current assignee: Shandong Bohai Electric Technology Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-27
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a converter protection device, articulate in the chamber door of box one side including the box and through the hinge, seted up the protection storehouse in the box, and the both sides on box top all set up the chamber groove that the multiunit supplied the fixed setting of first bearing between two parties, first bearing internalization is provided with the axostylus axostyle, the center that box one side was kept away from to the chamber door is provided with heat abstractor, and the box one side of keeping away from the hinge is provided with the handle between two parties, the one end swing joint that the axostylus axostyle extended into the protection storehouse has the second bearing, and the one end that the axostylus axostyle was kept away from to the second bearing is fixed in the bottom of. This converter protection device, overall structure is simple and easy, installation labour saving and time saving, and can adapt to the converter of multiple size, model, and the suitability is strong, can effectual heat dissipation, has avoided influencing the normal condition of working of converter because of the high temperature and has taken place.

Description

Frequency converter protection device

Technical Field

The utility model belongs to the technical field of the converter, concretely relates to converter protection device.

Background

The 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. The frequency converter mainly comprises a rectifying unit, a filtering unit, an inverting unit, a braking unit, a driving unit, a detecting unit micro-processing unit and the like. In addition, the frequency converter needs to be arranged in a protection device during installation to prevent the frequency converter from being damaged,

the available frequency converter protection devices also have some problems: 1. the integral structure is complex, the installation is time-consuming and labor-consuming, the frequency converter can not adapt to frequency converters with various sizes and models, and the applicability is poor; 2. because the converter during operation can produce the heat, and traditional converter protection device can't effectual heat dissipation, when the high temperature, will influence the normal work of converter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a converter protection device 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: a frequency converter protection device comprises a box body and a box door hinged to one side of the box body through a hinge;

a protection bin is arranged in the box body, a plurality of groups of cavity grooves for fixing the first bearing are arranged in the middle of two sides of the top end of the box body, and a shaft lever is movably arranged in the first bearing;

the center of one side of the box door, which is far away from the box body, is provided with a heat dissipation device, and the side of the box body, which is far away from the hinge, is provided with a handle in the middle;

the end, extending into the protection bin, of the shaft lever is movably connected with a second bearing, one end, far away from the shaft lever, of the second bearing is fixed at the bottom end of the protection bin, a first conical gear is fixedly arranged on the outer edge surface of the end, extending into the protection bin, of the shaft lever, a hand wheel is fixedly connected outside the protection bin, a penetrating groove for the movable arrangement of the bolt is formed in the top end of the hand wheel, and a limiting groove for the movable arrangement of the bolt is formed in the top end of the box body in a manner of being matched with the bolt;

the heat dissipation device comprises a round pipe and wing plates symmetrically arranged on two sides of the round pipe, and one side, away from the box door, of each wing plate is provided with a plurality of round grooves for movably connecting second bolts of the box door.

Specifically, the one end symmetry that the chamber door was kept away from to the both sides of box is provided with the multiunit extension board, and the round hole that supplies first bolt activity to set up is all seted up towards the center of chamber door one side to the multiunit extension board, the rectangular channel that supplies the fixed setting of dust screen is all seted up at the center of the both sides of box.

Specifically, the fixed filter screen that is provided with in one side that the chamber door was kept away from to the interior face of pipe, and the fixed mounting bracket that is provided with in one side that the filter screen was kept away from to the interior face of pipe, the mounting bracket is towards the fixed heat dissipation motor that is provided with in center of filter screen one side, and the motor shaft of heat dissipation motor is connected with the flabellum.

The protection cabin is characterized in that a sliding groove for the sliding of the multiple groups of rectangular plates is formed in the middle of the bottom end and the top end of the protection cabin, a mounting groove for the fixing of the linear bearing is formed in the top end and the bottom end of the multiple groups of rectangular plates, and guide rods fixed to the two sides of the rectangular grooves are arranged in the linear bearing.

Specifically, the multiunit the equal symmetry in looks back of rectangular plate is provided with the multiunit bracing piece, and the top fixed weld of multiunit bracing piece has the backup pad, the backup pad is seted up towards the center of axostylus axostyle one side and is supplied the screw hole of lead screw meshing, and the lead screw towards the first conical gear fixedly connected with of one end cooperation of axostylus axostyle and the second conical gear of first conical gear meshing.

The utility model discloses a technological effect and advantage: the frequency converter protection device benefits from the arrangement of four groups of extension plates and two groups of hand wheels, the four groups of extension plates are fixed in an electric cabinet through four groups of first bolts, and then two groups of rectangular plates are moved to abut against two sides of a frequency converter respectively by screwing two groups of hand wheels, so that the frequency converter is fixed, the whole structure is simple, the time and labor are saved in installation, the frequency converter protection device can adapt to frequency converters of various sizes and models, and the applicability is strong; benefit from the setting of heat dissipation motor and two sets of dust screens, it is rotatory to drive the flabellum through the heat dissipation motor, in introducing the protection storehouse with the air by two sets of dust screens, draws forth by the pipe again for air cycle in the protection storehouse, can effectual heat dissipation, avoided influencing the condition emergence of converter normal work because of the high temperature.

Drawings

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

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

fig. 3 is a schematic structural view of the heat dissipation device of the present invention;

fig. 4 is a cross-sectional view taken along line B-B of fig. 3 according to the present invention.

In the figure: the heat dissipation device comprises a box body 1, a box door 101, an extension plate 2, a dustproof net 201, a protection cabin 3, a first bearing 301, a shaft rod 4, a second bearing 401, a first conical gear 402, a hand wheel 403, a bolt 404, a heat dissipation device 5, a round tube 6, a wing plate 601, a filter screen 602, a mounting rack 7, a heat dissipation motor 701, a rectangular plate 8, a guide rod 801, a support rod 802, a support plate 803, a lead screw 9 and a second conical gear 901.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a frequency converter protection device as shown in figures 1-4, which comprises a box body 1 and a box door 101 hinged on one side of the box body 1 through a hinge;

a protection bin 3 is arranged in the box body 1, a plurality of groups of cavity grooves for fixing the first bearing 301 are formed in the middle of two sides of the top end of the box body 1, and a shaft lever 4 is movably arranged in the first bearing 301;

the center of one side of the box door 101, which is far away from the box body 1, is provided with a heat dissipation device 5, and one side of the box body 1, which is far away from the hinge, is provided with a handle in the middle, the heat dissipation device 5 comprises a circular tube 6 and wing plates 601 symmetrically arranged on both sides of the circular tube 6, one side of the wing plates 601, which is far away from the box door 101, is provided with a plurality of circular grooves for movably arranging second bolts connected with the box door 101, one side of the inner edge surface of the circular tube 6, which is far away from the box door 101, is fixedly provided with a filter screen 602 (the filter screen 602 adopts a 1000-mesh specification, the specific use is not limited to the type, and a user can select and match according to the circumstances), one side of the inner edge surface of the circular tube 6, which is far away from the filter screen 602, is fixedly provided with a heat dissipation motor 701 towards the center of one side of, the air is led out by the circular tube 6, so that the air circulation in the protection bin 3 is accelerated, the heat can be effectively dissipated, and the condition that the normal work of the frequency converter is influenced due to overhigh temperature is avoided;

a second bearing 401 is movably connected to one end, extending into the protection bin 3, of the shaft lever 4, one end, far away from the shaft lever 4, of the second bearing 401 is fixed to the bottom end of the protection bin 3, a first conical gear 402 is fixedly arranged on the outer edge surface of one end, extending into the protection bin 3, of the shaft lever 4, a hand wheel 403 is fixedly connected to the outside of the protection bin 3, a through groove for the bolt 404 to be movably arranged is formed in the top end of the hand wheel 403, a limiting groove for the bolt 404 to be movably arranged is formed in the top end of the box body 1 in a matched mode with the bolt 404, and the hand wheel 403 is prevented from rotating by inserting the bolt 404 into the limiting groove through the through groove;

specifically, the one end symmetry that chamber door 101 was kept away from to the both sides of box 1 is provided with multiunit extension board 2, and the round hole that supplies first bolt activity to set up is all seted up towards the center of chamber door 101 one side to multiunit extension board 2, the rectangular channel that supplies the fixed setting of dust screen 201 is all seted up at the center of the both sides of box 1 (the specification that dust screen 201 chooseed for use is 1200 meshes, is not limited to this type number during specific use, and the optional circumstances of user is the apolegamy by oneself).

Specifically, the bottom and the top of protection storehouse 3 all set up between two parties and supply the spout that multiunit rectangular plate 8 slided and set up, and the mounting groove that supplies the fixed setting of linear bearing, multiunit are all seted up to the top and the bottom of multiunit rectangular plate 8 all be provided with the guide bar 801 that is fixed in the rectangular channel both sides in the linear bearing.

Specifically, the back surfaces of the plurality of sets of rectangular plates 8 are symmetrically provided with a plurality of sets of support rods 802, the top ends of the plurality of sets of support rods 802 are fixedly welded with a support plate 803, the center of the support plate 803 facing one side of the shaft lever 4 is provided with a threaded hole for meshing the screw rod 9, one end of the screw rod 9 facing the shaft lever 4 is matched with the first bevel gear 402 and fixedly connected with a second bevel gear 901 meshed with the first bevel gear 402, the first bevel gear 402 is meshed with the second bevel gear 901 to drive the screw rod 9 to rotate, the rectangular plates 8 are moved by matching with the support plate 803, the four sets of extension plates 2 are respectively fixed in the electric cabinet by four sets of first bolts, and the two sets of rectangular plates 8 are respectively moved by screwing two sets of hand wheels 403 to be abutted against the two sides of the frequency converter, so as to fix the frequency converter, the whole structure, the applicability is strong.

Working principle, this converter protection device, during the use, be fixed in the electric cabinet with converter protection device through four groups of first bolts, and open chamber door 101 through the handle, place the converter in protection storehouse 3, then extract two sets of bolts 404 and twist and move two sets of hand wheels 403, drive axostylus axostyle 4 and first conical gear 402 through hand wheel 403, make first conical gear 402 drive second conical gear 901 and lead screw 9 rotation, and then remove rectangular plate 8, make two sets of rectangular plate 8 butt in the both sides of converter, fix hand wheel 403 through bolt 404, accomplish fixed back, close chamber door 101 and open heat dissipation motor 701, the air flow in the protection storehouse 3 with higher speed, dispel the heat to accomplishing the converter. This converter protection device, overall structure is simple and easy, installation labour saving and time saving, and can adapt to the converter of multiple size, model, and the suitability is strong, can effectual heat dissipation, has avoided influencing the normal condition of working of converter because of the high temperature and has taken place.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A frequency converter protection device comprises a box body (1) and a box door (101) hinged to one side of the box body (1) through a hinge;

the method is characterized in that: a protection bin (3) is arranged in the box body (1), a plurality of groups of cavity grooves for fixing the first bearing (301) are formed in the middle of two sides of the top end of the box body (1), and a shaft lever (4) is movably arranged in the first bearing (301);

the center of one side, away from the box body (1), of the box door (101) is provided with a heat dissipation device (5), and a handle is arranged in the middle of one side, away from the hinge, of the box body (1);

one end, extending into the protection bin (3), of the shaft lever (4) is movably connected with a second bearing (401), one end, far away from the shaft lever (4), of the second bearing (401 is fixed at the bottom end of the protection bin (3), the outer edge surface of one end, extending into the protection bin (3), of the shaft lever (4) is fixedly provided with a first conical gear (402), one end, far away from the first conical gear (402), of the shaft lever extends out of the protection bin (3) and is fixedly connected with a hand wheel (403), the top end of the hand wheel (403) is provided with a through groove for the bolt (404) to be movably arranged, and the top end of the box body (1) is matched with the bolt (404) and is provided with a limiting groove for the bolt (404) to be movably arranged;

the heat dissipation device (5) comprises a round pipe (6) and wing plates (601) symmetrically arranged on two sides of the round pipe (6), and one side, away from the box door (101), of each wing plate (601) is provided with a plurality of round grooves for movably connecting second bolts of the box door (101).

2. A frequency converter protection device according to claim 1, characterized in that: the one end symmetry that chamber door (101) was kept away from in the both sides of box (1) is provided with multiunit extension board (2), and multiunit extension board (2) all offer the round hole that supplies first bolt activity to set up towards the center of chamber door (101) one side, the rectangular channel that supplies the fixed setting of dust screen (201) is all offered at the center of the both sides of box (1).

3. A frequency converter protection device according to claim 1, characterized in that: the fixed filter screen (602) that is provided with in one side that chamber door (101) were kept away from to the interior face of pipe (6), and the fixed mounting bracket (7) that is provided with in one side that filter screen (602) were kept away from to the interior face of pipe (6), mounting bracket (7) are towards the fixed heat dissipation motor (701) that is provided with in center on one side of filter screen (602), and the motor shaft of heat dissipation motor (701) is connected with the flabellum.

4. A frequency converter protection device according to claim 1, characterized in that: the bottom and the top of protection storehouse (3) all set up between two parties and supply the spout that multiunit rectangular plate (8) slide to set up, and the top and the bottom of multiunit rectangular plate (8) all set up the mounting groove that supplies the fixed setting of linear bearing, the multiunit all be provided with guide bar (801) that are fixed in the rectangular channel both sides in the linear bearing.

5. The frequency converter protection device of claim 4, wherein: the back of the body of multiunit rectangular plate (8) all the symmetry be provided with multiunit bracing piece (802), and the fixed welding in top of multiunit bracing piece (802) has backup pad (803), the screw hole that supplies lead screw (9) meshing is seted up towards the center of axostylus axostyle (4) one side in backup pad (803), and lead screw (9) towards the one end cooperation first conical gear (402) fixedly connected with of axostylus axostyle (4) second conical gear (901) with first conical gear (402) meshing.