CN219204890U

CN219204890U - Explosion-proof shell of converter that waterproof shock attenuation effect is strong

Info

Publication number: CN219204890U
Application number: CN202223086600.3U
Authority: CN
Inventors: 王瑞斌
Original assignee: Qingdao Terjia Electric Co ltd
Current assignee: Qingdao Terjia Electric Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-06-16
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to the field of frequency converter shells, and discloses a frequency converter explosion-proof shell with a strong waterproof and damping effect, which comprises a bottom plate, wherein damping seats are fixedly connected to two sides of the upper surface of the bottom plate, a supporting frame is fixedly connected to the center of the upper surface of the bottom plate, a box body is arranged at the upper end of the bottom plate, a high-pressure box body is fixedly connected to the upper surface of the box body, dry powder is arranged in the high-pressure box body, electromagnetic valve pipes are arranged on two sides of the inner bottom surface of the high-pressure box body, and a smoke sensor is fixedly connected to the center of the inner top surface of the box body. Compared with the existing shell, the shell is provided with the smoke sensor, when the smoke sensor detects that smoke is generated in the shell, the electromagnetic valve pipe is controlled to be opened, and dry powder in the high-pressure box body is sprayed out through the electromagnetic valve pipe, so that the shell can be effectively extinguished before a fire source is generated in the shell, and explosion of the shell caused by the fire source in the shell is avoided.

Description

Explosion-proof shell of converter that waterproof shock attenuation effect is strong

Technical Field

The utility model relates to the field of frequency converter shells, in particular to an explosion-proof shell of a frequency converter with a strong waterproof and damping effect.

Background

The frequency converter is an electric control device which uses frequency conversion technology and microelectronic technology to control an alternating current motor by changing the frequency mode of a working power supply of the motor, and when the frequency converter is placed below the ground, the frequency converter needs to be placed in a shell to prevent other things below the ground from interfering the work of the frequency converter, so that the explosion-proof shell of the frequency converter is inoculated.

Most of the existing frequency converter shells cannot be subjected to damping and shock-absorbing treatment, when the frequency converter shells vibrate due to external vibration, the frequency converters in the shells are easy to damage, and a large amount of heat can be generated when the frequency converters work, for example, the heat cannot be rapidly discharged, so that the heat of the frequency converters stacked in the box can be easily and excessively high, the working efficiency is reduced, or the frequency converters are damaged, and therefore, technical improvement is needed.

Disclosure of Invention

Compared with the existing shell, the frequency converter explosion-proof shell with strong waterproof and damping effects is provided, compared with the existing shell, through the installation box, wind is blown out from the air outlet in the box body through the ventilation cavity by the power fan, the wind is circulated in the box body and then is discharged through the air outlet at the bottom, so that the wind sucked by the power fan can effectively discharge heat from the air outlet, and the explosion of the box body caused by the overhigh temperature in the box body is avoided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the shock absorber comprises a bottom plate, wherein shock absorbing seats are fixedly connected to two sides of the upper surface of the bottom plate, a supporting frame is fixedly connected to the center of the upper surface of the bottom plate, and a box body is arranged at the upper end of the bottom plate;

the high-pressure box body is fixedly connected with the upper surface of the box body, dry powder is arranged in the high-pressure box body, electromagnetic valve pipes are arranged on two sides of the inner bottom surface of the high-pressure box body, a smoke sensor is fixedly connected to the center of the inner top surface of the box body, an installation box is fixedly connected to one side outer wall of the box body, two filter screens are fixedly connected to one side of the inner portion of the installation box body, a power fan is fixedly connected to one side of the inner portion of the installation box body, which is far away from the filter screens, ventilation cavities are formed in the outer walls of two sides of the box body and the outer wall of the upper end of the box body, a plurality of air outlets are formed in the inner wall of the box body, and waterproof coating films are arranged on the outer wall of the box body;

through above-mentioned technical scheme, this casing passes through the shock mount and the support frame that set up, and when the casing produced vibrations because of the outside condition, the accessible box compression shock mount makes the box reach the effect of shock attenuation bradyseism, and the rethread support frame can effectually avoid leading to the problem that the box swayd on the shock mount because of vibrations are great.

Further, the electromagnetic valve pipe penetrates through the high-pressure box body to the inside of the box body;

through above-mentioned technical scheme, run through the high-pressure box body through the solenoid valve pipe to the inside of box can effectually spray the dry powder in the high-pressure box body into in the box.

Further, the outer wall of the front end of the box body is hinged with a movable door;

through above-mentioned technical scheme, be connected with the dodge gate through the front end outer wall of box hinge, can more conveniently maintain the converter.

Further, the lower ends of the outer walls of the box bodies are all connected with protection pads through bolts;

through above-mentioned technical scheme, all bolted connection has the protection pad through the lower extreme of box outer wall can effectually prevent the erosion of outside wind and rain to shock absorber seat and support frame.

Further, a plurality of air inlets are formed in the outer wall of one side of the mounting box;

through above-mentioned technical scheme, be provided with a plurality of air inlets through one side outer wall of mounting box and make the power fan more easy with the wind suction mounting box in.

Further, the outer wall of one side of the installation box far away from the air inlet is provided with a plurality of air inlets;

through above-mentioned technical scheme, be provided with a plurality of inlet ports through the outer wall of one side that the mounting box kept away from the air inlet, can more convenient send into the ventilation intracavity with the wind in the mounting box.

Further, the lower surface of the box body is provided with a plurality of exhaust holes;

through above-mentioned technical scheme, a plurality of exhaust holes have been seted up through the lower surface of box can be more convenient with the hot wind of having discharging the box.

Further, the air inlet and the air outlet are communicated with the ventilation cavity;

through the technical scheme, the air inlet and the air outlet are communicated with the ventilation cavity, so that wind can be conveniently conveyed into the box body from the installation box.

The utility model has the following beneficial effects:

1. compared with the existing shell, the explosion-proof shell of the frequency converter with strong waterproof and damping effects is provided, when the smoke sensor detects that smoke is generated in the shell, the shell controls the electromagnetic valve pipe to be opened, and dry powder in the high-pressure box body is sprayed out through the electromagnetic valve pipe, so that the explosion-proof shell can be effectively extinguished before a fire source is generated in the shell, and the explosion of the shell caused by the fire source in the shell is avoided.

2. Compared with the existing shell, the explosion-proof shell of the frequency converter has the advantages that when the shell vibrates due to external conditions, the vibration seat can be compressed through the box body, so that the box body achieves the effects of vibration absorption and damping, and the problem that the box body swings on the vibration seat due to large vibration can be effectively avoided through the support frame.

3. Compared with the existing shell, the explosion-proof shell of the frequency converter with strong waterproof and damping effects provided by the utility model has the advantages that the air is blown out from the air outlet in the box body through the ventilation cavity by the power fan through the installation box, so that the air is circulated in the box body and then is discharged through the air outlet at the bottom, the heat can be effectively discharged from the air outlet by the air sucked by the power fan, and the explosion of the box body caused by the overhigh temperature in the box body is avoided.

Drawings

Fig. 1 is an isometric view of an explosion-proof housing of a frequency converter with strong waterproof and damping effects;

fig. 2 is a front sectional view of an explosion-proof housing of a frequency converter with strong waterproof and damping effects;

fig. 3 is a schematic structural diagram of a bottom plate in an explosion-proof housing of a frequency converter with strong waterproof and damping effects;

fig. 4 is an enlarged view at a in fig. 1.

Legend description:

1. a bottom plate; 2. a protective pad; 3. a case; 4. a high pressure cartridge; 5. a movable door; 6. a shock absorption seat; 7. a support frame; 8. an exhaust hole; 9. a ventilation chamber; 10. an air outlet; 11. a solenoid valve tube; 12. a smoke sensor; 13. a filter screen; 14. an air inlet hole; 15. a mounting box; 16. an air inlet; 17. a power fan; 18. waterproof coating; 19. and (5) dry powder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the device comprises a bottom plate 1, wherein two sides of the upper surface of the bottom plate 1 are fixedly connected with shock absorbing seats 6, the center of the upper surface of the bottom plate 1 is fixedly connected with a supporting frame 7, and the upper end of the bottom plate 1 is provided with a box body 3;

the upper surface of the box body 3 is fixedly connected with a high-pressure box body 4, dry powder 19 is arranged in the high-pressure box body 4, electromagnetic valve pipes 11 are arranged on two sides of the inner bottom surface of the high-pressure box body 4, a smoke sensor 12 is fixedly connected to the center of the inner top surface of the box body 3, an installation box 15 is fixedly connected to one side outer wall of the box body 3, two filter screens 13 are fixedly connected to one side in the installation box 15, a power fan 17 is fixedly connected to one side, away from the filter screens 13, of the installation box 15, ventilation cavities 9 are respectively formed in the outer walls of two sides of the box body 3 and the outer wall of the upper end, a plurality of air outlets 10 are formed in the inner wall of the box body 3, and waterproof coating films 18 are respectively arranged on the outer walls of the box body 3;

this casing passes through shock mount 6 and support frame 7 that set up, and when the casing produced vibrations because of the outside condition, accessible box 3 compressed shock mount 6 makes box 3 reach the effect of shock attenuation cushioning, and the rethread support frame 7 can effectually avoid leading to the problem that box 3 swayd on shock mount 6 because of vibrations are great.

The solenoid valve pipe 11 runs through the inside of high-pressure box body 4 to box 3, run through the inside of high-pressure box body 4 to box 3 through solenoid valve pipe 11 can effectually spray the dry powder 19 in the high-pressure box body 4 into box 3, the front end outer wall of box 3 articulates and is connected with dodge gate 5, it can more conveniently maintain the converter to be connected with dodge gate 5 through the front end outer wall of box 3, the equal bolted connection of lower extreme of box 3 outer wall has protection pad 2, the equal bolted connection of lower extreme through box 3 outer wall has protection pad 2 can effectually prevent outside wind and rain to the erosion of shock-absorbing seat 6 and support frame 7, one side outer wall of installation box 15 is provided with a plurality of air inlets 16, one side outer wall through installation box 15 is provided with a plurality of air inlets 16 makes power fan 17 more easy with wind inhale installation box 15 in, one side outer wall of installation box 15 is provided with a plurality of inlet holes 14 through one side outer wall of installation box 15 far away from air inlet 16, can more convenient with the wind in the installation box 15 send into through 9, can more convenient box 9 down through box 3 and more through inlet hole 9, can be offered the air inlet hole 9 with the air inlet hole 10 through box 3 and more through the equal surface of 3, the more through box 3 is connected with the inlet hole 10 through the air inlet hole 10, the more through the box 3 is more than can be connected with the air inlet hole 9 through the box 3 through the surface of the box 3 has more than the inlet hole 9, the air inlet hole is more convenient.

Working principle: when the box is used, wind is sucked from the air inlet 16 through the power fan 17 and filtered by the filter screen 13, the wind is conveyed through the ventilation cavity 9 and is discharged from the air outlet 10, the wind circulates in the box body 3, heat of the box body 3 is fused into the wind and is discharged through the air outlet 8 at the bottom, when the box body 3 vibrates due to external conditions, the box body 3 compresses the damping seat 6, the box body 3 achieves the damping and buffering effect, when the damping seat 6 works, the supporting frame 7 can effectively control the problem that the box body 3 swings on the damping seat 6 due to large vibration, when the smoke sensor 12 detects that smoke is generated in the box body 3, the electromagnetic valve pipe 11 is opened, dry powder 19 in the high-pressure box body 4 is sprayed out through the electromagnetic valve pipe 11, and the unexpanded fire is annihilated.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a waterproof shock attenuation effect is strong converter explosion-proof casing, includes bottom plate (1), its characterized in that: the two sides of the upper surface of the bottom plate (1) are fixedly connected with shock absorption seats (6), the center of the upper surface of the bottom plate (1) is fixedly connected with a supporting frame (7), and the upper end of the bottom plate (1) is provided with a box body (3);

the utility model discloses a high-pressure box body, including box (3) and box body, upper surface fixedly connected with high-pressure box body (4) of box (3), the inside of high-pressure box body (4) is provided with dry powder (19), the both sides of the interior bottom surface of high-pressure box body (4) are provided with solenoid valve pipe (11), the center department fixedly connected with smoke transducer (12) of top surface in box (3), one side outer wall fixedly connected with installation box (15) of box (3), one side fixedly connected with two filter screens (13) of installation box (15) inside, one side fixedly connected with power fan (17) of keeping away from filter screen (13) in installation box (15) inside, ventilation chamber (9) have all been seted up to the inside of box (3) both sides outer wall and upper end outer wall, the inner wall of box (3) is provided with a plurality of gas outlets (10), the outer wall of box (3) all is provided with waterproof film (18).

2. The explosion-proof housing of a frequency converter with strong waterproof and damping effects according to claim 1, wherein: the electromagnetic valve pipe (11) penetrates through the high-pressure box body (4) to the inside of the box body (3).

3. The explosion-proof housing of a frequency converter with strong waterproof and damping effects according to claim 1, wherein: the front end outer wall of the box body (3) is hinged with a movable door (5).

4. The explosion-proof housing of a frequency converter with strong waterproof and damping effects according to claim 1, wherein: the lower ends of the outer walls of the box body (3) are connected with protection pads (2) through bolts.

5. The explosion-proof housing of a frequency converter with strong waterproof and damping effects according to claim 1, wherein: a plurality of air inlets (16) are formed in the outer wall of one side of the installation box (15).

6. The explosion-proof housing of a frequency converter with strong waterproof and damping effects according to claim 5, wherein: the outer wall of one side of the installation box (15) far away from the air inlet (16) is provided with a plurality of air inlets (14).

7. The explosion-proof housing of a frequency converter with strong waterproof and damping effects according to claim 1, wherein: the lower surface of the box body (3) is provided with a plurality of exhaust holes (8).

8. The explosion-proof housing of a frequency converter with strong waterproof and damping effects according to claim 6, wherein: the air inlet (14) and the air outlet (10) are all in through connection with the ventilation cavity (9).