CN216086463U

CN216086463U - Frequency conversion cabinet with good heat dissipation effect

Info

Publication number: CN216086463U
Application number: CN202122320558.6U
Authority: CN
Inventors: 豆自建; 豆志超; 豆志鸿; 郑方岚; 董志强
Original assignee: Henan Devo Electric Co ltd
Current assignee: Henan Devo Electric Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-03-18
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a frequency conversion cabinet with good heat dissipation effect, which belongs to the technical field of frequency conversion cabinets and particularly comprises a cabinet body, wherein the cabinet body is divided into an upper electric appliance chamber and a lower filtering chamber through a partition plate, air inlets are formed in the side walls of the left side and the right side of the lower filtering chamber, shutters are arranged in the air inlets, a filtering mechanism for filtering dust is also arranged on the inner side wall of each air inlet, a moisture absorption box is arranged at the top of the lower filtering chamber, an empty groove for communicating the lower filtering chamber with the upper electric appliance chamber is formed in the partition plate, an air suction fan is arranged in the empty groove, and an exhaust fan is arranged at the top of the upper electric appliance chamber; the utility model can radiate the inside of the frequency conversion cabinet under the combined action of the suction fan and the exhaust fan, thereby avoiding the overhigh temperature inside the frequency conversion cabinet, and can filter dust and moisture in the air entering the inside of the frequency conversion cabinet under the combined action of the filtering mechanism and the moisture absorption box, thereby avoiding the short circuit of electrical components caused by the overhigh dust or overweight moisture inside the frequency conversion cabinet.

Description

Frequency conversion cabinet with good heat dissipation effect

Technical Field

The utility model belongs to the technical field of frequency conversion cabinets, and particularly relates to a frequency conversion cabinet with a good heat dissipation effect.

Background

The frequency conversion cabinet uses the converter to drag the switch board of power device, because of its good startability, regulation performance and energy-conserving effect become the power of current popularization and drag the mode, the wide application is: various tap water supply systems and heating power heating circulating pumps in urban and rural areas are automatically controlled; irrigating farmland and controlling fountain; controlling an air conditioning system and cooling circulating water; secondary pressurization control of flow systems of water plants, pump stations and petrochemical industries; the TSLB frequency conversion cabinet can be used for various production line motor control cabinets which need energy-saving reconstruction or 0-speed starting, the impact of a high-power water pump and a fan on a power grid and large pressure drop can be reduced to the maximum extent by the high-power frequency conversion cabinet, and the energy-saving effect is obvious.

The existing frequency conversion cabinet is usually directly provided with the ventilation holes on the surface of the cabinet body to dissipate heat of the frequency converter in the cabinet, but the heat dissipation efficiency of the method is extremely low particularly when the weather is hot, and air entering the inside of the frequency conversion cabinet is not filtered, so that the frequency conversion cabinet has certain potential safety hazards in the working process.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a frequency conversion cabinet with a good heat dissipation effect, which has the characteristics of heat dissipation and dust and moisture filtration in air.

In order to achieve the purpose, the utility model provides the following technical scheme: a frequency conversion cabinet with good heat dissipation effect comprises a cabinet body, wherein the cabinet body is divided into an upper electric appliance chamber and a lower filtering chamber by a partition plate in the cabinet body, air inlets are formed in the side walls of the left side and the right side of the lower filtering chamber, shutters are arranged in the air inlets, a filtering mechanism for filtering dust is further arranged on the inner side wall of each air inlet, the filtering mechanism comprises an installation frame, the installation frame is of a rectangular structure with an opening on the left side and the right side, the installation frame is fixedly connected with the inner wall of the lower filtering chamber, a sliding groove for installing a first filtering net is formed in the front side of the installation frame, the first filtering net is movably arranged in the installation frame, a locking assembly for fixing the first filtering net is arranged on the installation frame, a moisture absorption box is arranged at the top of the lower filtering chamber, a drying agent is arranged in the moisture absorption box, a plurality of air inlets are formed in the four side plate surfaces of the moisture absorption box, and a water collecting hopper is arranged at the bottom of the moisture absorption box, set up a plurality of weeping holes that are used for with the water collecting bucket intercommunication on the bottom plate of box that absorbs moisture, the inside level sensor that is provided with of water collecting bucket, the bottom of water collecting bucket still is provided with the drain pipe, be provided with electronic valve on the drain pipe, offer the dead slot that is used for making filter chamber and last electric chamber intercommunication down on the baffle, the inside suction fan that is provided with of dead slot, a plurality of ventholes that are used for with the dead slot intercommunication are still seted up at the top of box that absorbs moisture, go up the top of electric chamber and seted up the mounting groove, mounting groove internally mounted has the exhaust fan.

Preferably, the locking component comprises a pin shaft and a support frame, the pin shaft and the support frame are respectively located on the left side and the right side of the sliding groove, one end of the pin shaft is fixedly connected with the mounting frame, a groove used for mounting a handle is formed in the pin shaft, the handle is movably sleeved inside the groove, and a placing groove used for placing the handle is formed in the support frame.

Preferably, the top of the cabinet body is also provided with a waterproof cover through a plurality of support columns.

Preferably, the periphery between the waterproof cover and the top of the cabinet body is sealed through a second filter screen.

Preferably, a first cabinet door is arranged on the front side of the upper electric appliance chamber, and a second cabinet door is arranged on the front side of the lower filtering chamber.

Preferably, the bottom of the cabinet body is provided with a supporting seat.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model can radiate the inside of the frequency conversion cabinet under the combined action of the suction fan and the exhaust fan, thereby avoiding the overhigh temperature inside the frequency conversion cabinet, and can filter dust and moisture in the air entering the inside of the frequency conversion cabinet under the combined action of the filtering mechanism and the moisture absorption box, thereby avoiding the short circuit of electrical components caused by the overhigh dust or overweight moisture inside the frequency conversion cabinet.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front view cross-sectional view of the present invention;

FIG. 2 is a schematic structural diagram of a front view of the present invention;

FIG. 3 is a schematic view of the filter mechanism of the present invention;

FIG. 4 is a partially enlarged structural view of part A-A of the present invention;

in the figure: 1. a cabinet body; 2. a partition plate; 3. an upper electric appliance chamber; 4. a lower filtering chamber; 5. an air inlet; 6. a blind window; 7. installing a frame; 8. a first filter screen; 9. a moisture-absorbing box; 10. an air inlet; 11. a water collecting hopper; 12. a weep hole; 13. a drain pipe; 14. an electronic valve; 15. an air suction fan; 16. an air outlet; 17. an exhaust fan; 18. a pin shaft; 19. a support frame; 20. a handle; 21. a support pillar; 22. a waterproof cover; 23. a second filter screen; 24. a first cabinet door; 25. a second cabinet door; 26. and (4) supporting the base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present embodiment provides the following technical solutions: a frequency conversion cabinet with good heat dissipation effect comprises a cabinet body 1, the cabinet body 1 is divided into an upper electric appliance chamber 3 and a lower filtering chamber 4 by a partition plate 2 in the cabinet body 1, a first cabinet door 24 is connected with a hinge of the upper electric appliance chamber 3, a second cabinet door 25 is connected with the front side of the lower filtering chamber 4 by a hinge, air inlets 5 are respectively arranged on the side walls of the left side and the right side in the lower filtering chamber 4, shutters 6 are arranged in the air inlets 5, rainwater is prevented from entering the cabinet body 1 through the air inlets 5, mounting frames 7 are fixedly arranged on the side walls of the left side and the right side in the lower filtering chamber 4, the mounting frames 7 are of a rectangular structure with left and right openings, a sliding groove for mounting a first filtering net 8 is arranged on the front side of the mounting frames 7, workers can replace the first filtering net 8 conveniently, dust in the first filtering net 8 is prevented from being filtered for a long time, the first filtering net 8 is prevented from being blocked, and the filtering effect of the dust in the air by the first filtering net 8 is influenced, the first filter screen 8 is movably installed inside the installation frame 7, a pin shaft 18 is fixedly arranged on the right side of each sliding groove, a groove for installing a handle 20 is formed in the pin shaft 18, the handle 20 is movably sleeved inside the groove, a support frame 19 is fixedly arranged on the left side of each sliding groove, a placing groove for placing the handle 20 is formed in the support frame 19, the handle 20 is positioned inside the support frame 19 by rotating the handle 20, the first filter screen 8 is fixed, when the frequency conversion cabinet moves, the first filter screen 8 is prevented from shaking, the handle 20 is rotated to enable the handle 20 to leave the support frame 19, a worker can conveniently pull out the first filter screen 8 to replace the first filter screen 8, the moisture absorption box 9 is arranged at the top inside the lower filtering chamber 4, drying agents are arranged inside the moisture absorption box 9, a plurality of air inlets 10 are formed in four side plate surfaces of the moisture absorption box 9, and dust filtered in the lower filtering chamber 4 can enter the moisture absorption box 9, the bottom of the moisture absorption box 9 is provided with a water collection bucket 11, a bottom plate of the moisture absorption box 9 is provided with a plurality of liquid seepage holes 12 used for being communicated with the water collection bucket 11, after a drying agent in the moisture absorption box 9 absorbs moisture and is saturated to humid air, water drops enter the water collection bucket 11 through the liquid seepage holes 12, the problem that the humid air cannot be dried continuously after the moisture in the drying agent is saturated is avoided, and therefore the drying effect on the humid air is influenced, a water level sensor is arranged in the water collection bucket 11, the water level condition in the water collection bucket 11 is convenient to observe through the water level sensor, the bottom of the water collection bucket 11 is also provided with a drain pipe 13, an electronic valve 14 is arranged on the drain pipe 13, when the water level in the water collection bucket 11 reaches a certain level, the electronic valve 14 is opened, so that the water in the water collection bucket 11 is discharged out of the interior of the frequency conversion cabinet through the drain pipe 13, an empty groove used for communicating the lower filter chamber 4 with the upper electric appliance chamber 3 is arranged on the partition plate 2, the suction fan 15 is arranged in the empty groove, the top of the moisture-isolating and absorbing box 9 is also provided with a plurality of air outlet holes 16 which are communicated with the empty groove, the filtered air in the lower filtering chamber 4 enters the upper electric appliance chamber 3 through the suction fan 15 and the air outlet holes 16, the top of the upper electric appliance chamber 3 is provided with a mounting groove, the mounting groove is internally provided with an exhaust fan 17, the filtered air is upwards circulated through the exhaust fan 17 and is discharged out of the interior of the frequency conversion cabinet, and meanwhile, the heat in the upper electric appliance chamber 3 is taken away, so that the heat dissipation effect is achieved, the phenomenon that the temperature in the frequency conversion cabinet is too high and certain potential safety hazard is caused is avoided, the top of the cabinet body 1 is also provided with a waterproof cover 22 through a plurality of support columns 21, the waterproof cover 22 is used for avoiding rainwater from gathering at the top of the frequency conversion cabinet, thereby avoiding rainwater from entering the interior of the frequency conversion cabinet, the periphery between the waterproof cover 22 and the top of the cabinet body 1 is sealed through a second filter screen 23, through second filter screen 23, place inside the dust in the outside air gets into electrical apparatus room 3, the bottom of the cabinet body 1 is provided with supporting seat 26, avoids the cabinet body 1 and ground direct contact to cabinet body 1 bottom is corroded because of the humidity.

The working principle of the utility model is as follows: by controlling the switch, the suction fan 15 and the exhaust fan 17 are started, so that the outside air enters the lower filtering chamber 4 through the air inlets on the left and right sides, meanwhile, the first filter screen 8 filters the air entering the lower filtering chamber 4, so as to prevent the dust contained in the air from entering the interior of the frequency conversion cabinet, then, the filtered air enters the interior of the moisture absorption box 9 through the plurality of air inlets 10, the desiccant dries the moisture in the air, thereby preventing the moist air from entering the interior of the upper electrical apparatus chamber 3, the dehumidified air enters the interior of the upper electrical apparatus chamber 3 to circulate upwards, and the dehumidified air is discharged out of the interior of the cabinet body 1 through the exhaust fan 17, while the hot air in the operation of the upper electrical apparatus chamber 3 is taken away, so as to achieve the heat dissipation effect on the frequency conversion cabinet, when the moisture in the desiccant in the interior of the moisture absorption box 9 is saturated, the dehumidified air can flow into the interior of the water collection hopper 11 along the weep hole 12 at the bottom of the moisture absorption box 9, through level sensor, can in time observe the inside water level of water collecting bucket 11, reach a timing when the water level, start electronic valve 14, make the water in the water collecting bucket 11 pass through inside the drain pipe 13 discharge cabinet body 1 to avoid the inside moisture of drier too much, the influence is to the drying effect of humid air.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a frequency conversion cabinet that radiating effect is good which characterized in that: comprises a cabinet body (1), the cabinet body (1) is divided into an electric appliance chamber (3) and a lower filtering chamber (4) by a partition plate (2), air inlets (5) are respectively arranged on the side walls of the left side and the right side in the lower filtering chamber (4), shutters (6) are arranged inside the air inlets (5), a filtering mechanism for filtering dust is further arranged on the inner side wall of the air inlets (5), the filtering mechanism comprises a mounting frame (7), the mounting frame (7) is of a rectangular structure with the left side and the right side open, the mounting frame (7) is fixedly connected with the inner wall of the lower filtering chamber (4), a sliding chute for mounting a first filtering net (8) is arranged at the front side of the mounting frame (7), the first filtering net (8) is movably mounted inside the mounting frame (7), a locking assembly for fixing the first filtering net (8) is arranged on the mounting frame (7), a moisture absorption box (9) is arranged at the top in the lower filtering chamber (4), the drying agent is arranged inside the moisture absorption box (9), a plurality of air inlet holes (10) are formed in four side plate surfaces of the moisture absorption box (9), a water collecting hopper (11) is arranged at the bottom of the moisture absorption box (9), a plurality of liquid seepage holes (12) used for being communicated with the water collecting hopper (11) are formed in a bottom plate of the moisture absorption box (9), a water level sensor is arranged inside the water collecting hopper (11), a drain pipe (13) is further arranged at the bottom of the water collecting hopper (11), an electronic valve (14) is arranged on the drain pipe (13), an empty groove used for enabling the lower filter chamber (4) and the upper electric appliance chamber (3) to be communicated is formed in the partition plate (2), an air suction fan (15) is arranged inside the empty groove, a plurality of air outlet holes (16) used for being communicated with the empty groove are further formed in the top of the moisture absorption box (9), a mounting groove is formed in the top of the upper electric appliance chamber (3), and an exhaust fan (17) is arranged inside the mounting groove.

2. The frequency conversion cabinet with good heat dissipation effect as claimed in claim 1, wherein: the locking assembly comprises a pin shaft (18) and a support frame (19), the pin shaft (18) and the support frame (19) are respectively located on the left side and the right side of the sliding groove, one end of the pin shaft (18) is fixedly connected with the mounting frame (7), a groove used for mounting the handle (20) is formed in the pin shaft (18), the handle (20) is movably sleeved inside the groove, and a placing groove used for placing the handle (20) is formed in the support frame (19).

3. The frequency conversion cabinet with good heat dissipation effect as claimed in claim 1, wherein: the top of the cabinet body (1) is also provided with a waterproof cover (22) through a plurality of support columns (21).

4. The frequency conversion cabinet with good heat dissipation effect as claimed in claim 3, wherein: the periphery between the waterproof cover (22) and the top of the cabinet body (1) is sealed through a second filter screen (23).

5. The frequency conversion cabinet with good heat dissipation effect as claimed in claim 1, wherein: a first cabinet door (24) is arranged on the front side of the upper electric appliance chamber (3), and a second cabinet door (25) is arranged on the front side of the lower filtering chamber (4).

6. The frequency conversion cabinet with good heat dissipation effect as claimed in claim 1, wherein: the bottom of the cabinet body (1) is provided with a supporting seat (26).