CN217721012U

CN217721012U - Equipment mounting box for explosion-proof shell of frequency converter

Info

Publication number: CN217721012U
Application number: CN202221245316.3U
Authority: CN
Inventors: 王瑞华
Original assignee: Qingdao Terjia Electric Co ltd
Current assignee: Qingdao Terjia Electric Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-11-01
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to a converter field discloses an equipment fixing box for converter explosion-proof housing, including main box body and connecting plate, the outer wall fixedly connected with wind storage box at main box body middle part, the rear end of wind storage box all is provided with three heat dissipation fan, the lateral wall at main box body middle part all is provided with a plurality of ventilation holes, the upper end of main box body is provided with the lid, the equal fixedly connected with joint pole in four turnings of terminal surface under the lid, first joint groove has all been seted up at four turnings of main box body up end, four spacing grooves have all been seted up to the outer wall of main box body front end. The utility model discloses in, can improve the inside heat dispersion of main box body greatly through three heat dissipation fan, can make the wind-blowing of heat dissipation fan blow to a plurality of corners of main box body inside through wind storage box and ventilation hole simultaneously for the radiating effect of this mounting box is better, and this mounting box sanjie constructs simply simultaneously, and practicality is strong.

Description

Equipment mounting box for explosion-proof shell of frequency converter

Technical Field

The utility model relates to a converter field especially relates to an equipment fixing box for converter explosion-proof housing.

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 converter leans on the disconnection of inside IGBT to adjust output power's voltage and frequency, provide its required mains voltage according to the actual need of motor, and then reach energy-conservation, the purpose of speed governing, in addition, the converter also has a lot of protect function, like overflowing, excessive pressure, overload protection etc., along with the continuous improvement of industrial automation degree, the converter has also obtained very extensive application, however, the equipment fixing box of current converter explosion-proof shell is many radiating effect poor, the staff's of being not convenient for installation and dismantlement work simultaneously, for this reason, the urgent need carries out technical improvement.

Through retrieval, the existing patent (publication number: CN 209709919U) discloses an expansion board card mounting box for a frequency converter, which includes a cover, a base, and a bracket, wherein the cover and the base are relatively matched to enclose an assembly space for assembling a first expansion board card and a second expansion board card, the first expansion board card is fixedly connected with a cover bottom plate of the cover, the second expansion board card is fixedly connected with a base bottom plate of the base, the bracket is fixedly arranged on the base bottom plate and connected with a shell of the frequency converter, and the second expansion board card and the bracket are respectively arranged on the inner side and the outer side of the base bottom plate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the equipment fixing box who is used for the explosion-proof shell of converter that proposes can improve the inside heat dispersion of main box body greatly through three heat dissipation fan, can make the wind-driven of heat dissipation fan blow to a plurality of corners of main box body inside through storing up wind box and ventilation hole simultaneously for the radiating effect of this mounting box is better.

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

the equipment mounting box for the explosion-proof shell of the frequency converter comprises a main box body and a connecting plate, wherein the outer wall of the middle part of the main box body is fixedly connected with an air storage box, three heat dissipation fans are arranged at the rear end of the air storage box, and a plurality of ventilation holes are formed in the side wall of the middle part of the main box body;

the upper end of the main box body is provided with a box cover, four corners of the lower end face of the box cover are fixedly connected with clamping rods, four corners of the upper end face of the main box body are respectively provided with a first clamping groove, four limiting grooves are respectively formed in the outer wall of the front end of the main box body, four limiting blocks are respectively fixedly connected with the outer wall of the rear end of the connecting plate, the upper ends of the limiting blocks are respectively provided with a second clamping groove, and the clamping rods are respectively inserted into the first clamping grooves and the second clamping grooves and are clamped and matched with the first clamping grooves and the second clamping grooves;

through the technical scheme, the clamping rod is clamped with the first clamping groove and the second clamping groove through the limiting blocks and the limiting grooves, the clamping rod is fixed through the bolts, the mounting box can be assembled and positioned by workers greatly, the workers can detach the mounting box conveniently, and the workers can maintain the device inside the main box body conveniently.

Furthermore, the lower end face of the main box body is fixedly connected with an antirust plate;

through above-mentioned technical scheme, can improve the life of main box body through rust-resistant board.

Furthermore, one end of the air storage box close to the heat dissipation fan is fixedly connected with a dust screen;

through above-mentioned technical scheme, can the inside that the dust got into main box body through the dust screen.

Furthermore, the limiting blocks are clamped and matched with the limiting grooves;

through the technical scheme, the positioning work of the connecting plate by workers can be facilitated through the limiting blocks and the limiting grooves.

Furthermore, the box covers are fixedly connected with the main box body and the connecting plate through bolts;

through the technical scheme, the installation work of workers can be facilitated through the fixed connection of the bolts.

Furthermore, a plurality of heat dissipation holes are formed in the upper end of one side of the main box body;

through the technical scheme, the air inside the main box body can circulate outwards through the heat dissipation holes.

Furthermore, four corners of the bottom surface inside the main box body are provided with fixing holes;

through above-mentioned technical scheme, can be convenient for the staff to install core device through the fixed orifices.

Further, the anti-rust plate is made of an aluminum alloy material;

through the technical scheme, the strength and hardness of the antirust plate can be improved through the aluminum alloy material, and the service life of the antirust plate can be prolonged.

The utility model discloses following beneficial effect has:

1. the utility model provides an equipment fixing box for converter explosion-proof shell contrasts current mounting box, and this mounting box is provided with three heat dissipation fan, stores up wind box and a plurality of ventilation hole, can improve the inside heat dispersion of main box body greatly through three heat dissipation fan, can make the wind of heat dissipation fan blow to a plurality of corners of main box body inside through storing up wind box and ventilation hole simultaneously for the radiating effect of this mounting box is better.

2. The utility model provides an equipment fixing box for converter explosion-proof housing, the current mounting box of contrast, this mounting box is provided with the joint rod, first joint groove, second joint groove, stopper and spacing groove, through stopper and spacing groove joint, make joint rod and first joint groove and second joint groove joint again, rethread bolt fastening, can make things convenient for the staff to the equipment and the location work of this mounting box greatly, the staff of also being convenient for simultaneously is to the dismantlement of this mounting box, thereby make things convenient for the staff to carry out maintenance work to the device of main box body inside.

3. The utility model provides an equipment fixing box for converter explosion-proof housing, the current mounting box of contrast, this mounting box scattered simple structure, and the radiating effect is good, and practicality is strong, the staff's of being convenient for dismantlement and installation work simultaneously.

Drawings

Fig. 1 is an explosion schematic diagram of an equipment mounting box for an explosion-proof housing of a frequency converter according to the present invention;

fig. 2 is an axonometric view of the equipment installation box for the explosion-proof casing of the frequency converter provided by the utility model;

fig. 3 is a left sectional view of the main box body and the air storage box of the equipment mounting box for the explosion-proof housing of the frequency converter provided by the utility model;

fig. 4 is a partial sectional view of the equipment mounting box heat dissipation fan and the air storage box for the explosion-proof housing of the frequency converter provided by the present invention;

fig. 5 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. a main box body; 2. a rust-proof plate; 3. a wind storage box; 4. a vent hole; 5. a heat dissipation fan; 6. a dust screen; 7. a box cover; 8. a clamping and connecting rod; 9. a first clamping groove; 10. a limiting groove; 11. a connecting plate; 12. a limiting block; 13. a second clamping groove; 14. heat dissipation holes; 15. and (7) fixing holes.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: the equipment mounting box for the explosion-proof shell of the frequency converter comprises a main box body 1 and a connecting plate 11, wherein the outer wall of the middle part of the main box body 1 is fixedly connected with an air storage box 3, three heat dissipation fans 5 are arranged at the rear end of the air storage box 3, and a plurality of ventilation holes 4 are formed in the side wall of the middle part of the main box body 1;

the upper end of the main box body 1 is provided with a box cover 7, four corners of the lower end face of the box cover 7 are fixedly connected with clamping rods 8, four corners of the upper end face of the main box body 1 are respectively provided with a first clamping groove 9, the outer wall of the front end of the main box body 1 is respectively provided with four limiting grooves 10, the outer wall of the rear end of the connecting plate 11 is respectively fixedly connected with four limiting blocks 12, the upper ends of the limiting blocks 12 are respectively provided with a second clamping groove 13, and the clamping rods 8 are respectively inserted into the first clamping grooves 9 and the second clamping grooves 13 and are clamped and matched with the first clamping grooves 9 and the second clamping grooves 13;

through stopper 12 and spacing groove 10 joint, make joint pole 8 and first joint groove 9 and second joint groove 13 joint again, rethread bolt fastening can make things convenient for the staff to the equipment and the location work of this mounting box greatly, also is convenient for the staff to the dismantlement of this mounting box simultaneously to make things convenient for the staff to carry out maintenance work to the device of main box body 1 inside.

The lower terminal surface fixedly connected with of main box body 1 rust-resistant plate 2, can improve the life of main box body 1 through rust-resistant plate 2, store up the equal fixedly connected with dust screen 6 of one end that wind box 3 is close to radiator fan 5, can the dust get into the inside of main box body 1 through dust screen 6, stopper 12 all cooperates with spacing groove 10 joint, can be convenient for the staff to the positioning work of connecting plate 11 through stopper 12 and spacing groove 10, lid 7 all passes through bolt fixed connection with main box body 1 and connecting plate 11, can make things convenient for staff's installation work through bolt fixed connection, a plurality of louvres 14 have all been seted up to the upper end of main box body 1 one side, the wind direction that can make main box body 1 inside through louvre 14 flows through, fixed orifices 15 have all been seted up at four turnings of the inside bottom surface of main box body 1, can be convenient for staff's installation core device through fixed orifices 15, rust-resistant plate 2 uses aluminium alloy material, can improve rust-resistant plate 2's intensity hardness and life through aluminium alloy material.

The working principle is as follows: at first fix converter explosion-proof casing through fixed orifices 15, rethread stopper 12 and spacing groove 10 joint, make joint pole 8 and first joint groove 9 and second joint groove 13 joint again, rethread bolt is fixed lid 7 and connecting plate 11 and main box body 1, can accomplish the installation work of this mounting box, fan 5 can improve the heat dispersion of main box body 1 inside greatly through three heat dissipation simultaneously, can make the wind-blowing of heat dissipation fan 5 to a plurality of corners of main box body 1 inside through wind storage box 3 and ventilation hole 4, the wind of main box body 1 inside again at this moment flows to main box body 1's outside along heat dissipation hole 14, make the inside heat of mounting box take away by the wind that flows, thereby high-efficient radiating purpose has been reached.

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 equipment fixing box for explosion-proof shell of converter, including main box body (1) and connecting plate (11), its characterized in that: the outer wall of the middle part of the main box body (1) is fixedly connected with an air storage box (3), the rear end of the air storage box (3) is provided with three heat dissipation fans (5), and the side wall of the middle part of the main box body (1) is provided with a plurality of vent holes (4);

the upper end of the main box body (1) is provided with a box cover (7), four corners of the lower end face of the box cover (7) are fixedly connected with clamping rods (8), four corners of the upper end face of the main box body (1) are provided with first clamping grooves (9), four limiting grooves (10) are formed in the outer wall of the front end of the main box body (1), four stoppers (12) are fixedly connected to the outer wall of the rear end of the connecting plate (11), second clamping grooves (13) are formed in the upper end of the stoppers (12), and the clamping rods (8) are inserted into the inner portions of the first clamping grooves (9) and the second clamping grooves (13) and are in clamping fit with the first clamping grooves (9) and the second clamping grooves (13).

2. The equipment mounting box for the explosion-proof shell of the frequency converter according to claim 1, characterized in that: the lower end face of the main box body (1) is fixedly connected with an antirust plate (2).

3. The equipment mounting box for the explosion-proof shell of the frequency converter according to claim 1, characterized in that: the dust-proof net (6) is fixedly connected to one end, close to the heat dissipation fan (5), of the air storage box (3).

4. The equipment mounting box for the explosion-proof shell of the frequency converter according to claim 1, characterized in that: the limiting blocks (12) are matched with the limiting grooves (10) in a clamping mode.

5. The equipment mounting box for the explosion-proof shell of the frequency converter according to claim 1, characterized in that: the box covers (7) are fixedly connected with the main box body (1) and the connecting plate (11) through bolts.

6. The equipment mounting box for the explosion-proof shell of the frequency converter according to claim 1, characterized in that: the upper end of one side of the main box body (1) is provided with a plurality of heat dissipation holes (14).

7. The equipment mounting box for the explosion-proof shell of the frequency converter according to claim 1, characterized in that: fixing holes (15) are formed in four corners of the bottom surface inside the main box body (1).

8. The equipment mounting box for the explosion-proof shell of the frequency converter according to claim 2, characterized in that: the anti-rust plate (2) is made of an aluminum alloy material.