CN217334778U

CN217334778U - Positive pressure ventilation power distribution cabinet

Info

Publication number: CN217334778U
Application number: CN202220508428.7U
Authority: CN
Inventors: 江传文
Original assignee: Quanzhou Hengchuang Electromechanical Equipment Co ltd
Current assignee: Quanzhou Hengchuang Electromechanical Equipment Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-08-30
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a positive-pressure ventilation power distribution cabinet, which comprises a cabinet body, wherein air inlets are arranged on the left side and the right side of the cabinet body, an air outlet is arranged on the lower part of the cabinet body, and an air inlet fan and a dustproof assembly are sequentially arranged on the air inlets from outside to inside; the dustproof assembly comprises a filtering device and two groups of dust cleaning devices, the filtering device is installed on one side of the output end of the air inlet fan, and the two groups of dust cleaning devices are respectively arranged on the upper side and the lower side of the filtering device and used for cleaning dust adhered to the filtering device; the filter equipment slides from top to bottom and sets up in the inside lateral wall of the cabinet body, dust cleaning device detachably installs the inside lateral wall at the cabinet body, the utility model discloses simple structure, convenient to use, cost are lower, have the function of filtering the dust cleaning, realize the malleation ventilation cooling in the switch board, have better market prospect.

Description

Positive-pressure ventilation power distribution cabinet

Technical Field

The utility model relates to the technical field of electrical equipment, specifically a malleation ventilation switch board.

Background

Electrical components in the cabinet body of the power distribution cabinet, such as a frequency converter, a circuit breaker and the like, can generate heat in the operation process to raise the temperature in the cabinet, and accidents such as fire disasters are easily caused due to overhigh temperature, so that the temperature in the cabinet of the power distribution cabinet needs to be reduced when the power distribution cabinet operates, and the power distribution cabinet is required to have a good heat dissipation function.

The mode that has to adopt the fan to blow to the cabinet among the prior art takes away heat in the rack, and at this moment, the relative external world of cabinet internal environment keeps the pressure-fired, but this technique has following problem: external air inlet can enter the interior of the power distribution cabinet along with a large amount of dust, although most of dust can be discharged out of the cabinet due to a positive pressure environment, a small amount of dust cannot be attached to internal elements, and a layer of thick dust can be covered on the internal elements in the past; simultaneously when the relative external world of in cabinet environment keeps the pressure-fired, if do not do dustproof protection in the air intake department of rack, only provide drive power malleation through the fan and discharge hot-blast in the cabinet, when the fan stall, the air intake entering rack through not protecting of the easy appearance ambient air, and then bring the problem of rack dust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a malleation ventilation switch board 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 positive-pressure ventilation power distribution cabinet comprises a cabinet body, wherein air inlets are formed in the left side and the right side of the cabinet body, an air outlet is formed in the lower portion of the cabinet body, and an air inlet fan and a dustproof assembly are sequentially arranged in the air inlets from outside to inside; the dustproof assembly comprises a filtering device and two groups of dust cleaning devices, the filtering device is installed on one side of the output end of the air inlet fan, and the two groups of dust cleaning devices are respectively arranged on the upper side and the lower side of the filtering device and used for cleaning dust adhered to the filtering device; the filtering device is arranged on the inner side wall of the cabinet body in a vertically sliding mode, and the dust cleaning device is detachably arranged on the inner side wall of the cabinet body.

Furthermore, filter equipment is including trading a board and two filter screens, and two filter screens set up respectively in two upper and lower portions of trading a board, and one of them filter screen is located same water flat line with the output of air inlet fan for filter the outside wind that the air inlet fan lets in.

Furthermore, the size of the filter screen is larger than the size of the output end of the air inlet fan.

Furthermore, the transposition plate is slidably mounted on the side wall of the cabinet body up and down through a guide rail, a toothed plate is arranged at the side end of the transposition plate, a gear is meshed and driven on the toothed plate, and the gear is driven to rotate through a motor and used for driving the transposition plate to move up and down.

Further, the internal air sensor that is equipped with of cabinet, air sensor and motor electric connection send control signal for the dust volume on the filter screen is judged with the analysis to the monitoring amount of wind.

Furthermore, the dust cleaning device comprises a dust cleaning groove and a dust cleaning cover, the dust cleaning groove is of a dustpan-shaped structure, the dust cleaning cover is rotatably arranged at the opening at the top of the dust cleaning groove, the dust cleaning groove and the dust cleaning cover form a slot structure with an opening at the front end in a closed state, and the front end opening is used for the shifting plate to move to the inside of the slot.

Furthermore, a plurality of hairbrushes are arranged on the top of the dust cleaning groove and the bottom of the dust cleaning cover, and the hairbrushes on the dust cleaning groove and the hairbrushes on the dust cleaning cover are arranged in a staggered mode when the dust cleaning cover is closed.

Furthermore, the dust cleaning groove and the dust cleaning cover are both made of silica gel materials, and the dust cleaning groove and the dust cleaning cover have excellent dust adhering effect.

Furthermore, the rear end of the dust cleaning cover is hinged with the rear end of the dust cleaning groove, and the front end of the dust cleaning cover is connected with the front end of the dust cleaning groove in a buckling mode.

Furthermore, detachably joint installation setting between the bottom in dust removal groove and the inner wall of the cabinet body.

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

the positive-pressure ventilation power distribution cabinet provided by the utility model has the advantages that air is sent into the cabinet body of the electric control cabinet through the side air inlet fan, positive pressure is always kept in the cabinet, and positive-pressure ventilation and heat dissipation in the power distribution cabinet are realized; dust filtration is carried out by a filter device arranged at the air inlet end, so that dust can be effectively prevented from entering the cabinet along with air; through the matching work between the transposition design of the filtering device and the dust cleaning device, the filtering efficiency of the filter screen at the air inlet can be ensured, and the influence of dust deposition on the filter screen on the ventilation volume is avoided; the utility model discloses simple structure, convenient to use, cost are lower, have better market prospect.

Drawings

Fig. 1 is a schematic structural view of a positive pressure ventilation power distribution cabinet of the present invention;

fig. 2 is an internal front view of the positive pressure ventilation power distribution cabinet of the present invention;

fig. 3 is a schematic view of a dustproof assembly of the positive pressure ventilation power distribution cabinet of the present invention;

fig. 4 is a schematic structural view of the dust removing device of the present invention.

In the figure, a cabinet body-1, an air inlet-2, an air outlet-3, an air inlet fan-4, a dustproof assembly-5, a filtering device-51, a dust cleaning device-52, a transposition plate-511, a filtering screen-512, a toothed plate-513, a gear-514, a motor-515, an air volume sensor-6, a dust cleaning groove-521, a dust cleaning cover-522 and a brush-523.

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.

Examples

As shown in fig. 1 to 4, in the present embodiment, an air inlet 2 is disposed on each of the left and right sides of a cabinet body 1, an air outlet 3 is disposed at the lower portion of the cabinet body 1, and an air inlet fan 4 and a dust-proof assembly 5 are sequentially disposed at the air inlet 2 from outside to inside; the dustproof assembly 5 comprises a filtering device 51 and two groups of dust cleaning devices 52, wherein the filtering device 51 is arranged on one side of the output end of the air inlet fan 4, and the two groups of dust cleaning devices 52 are respectively arranged on the upper side and the lower side of the filtering device 51 and used for cleaning dust adhered to the filtering device 51; the filtering device 51 is slidably disposed on the inner side wall of the cabinet 1, and the dust cleaning device 52 is detachably mounted on the inner side wall of the cabinet 1.

In this embodiment, the filtering device 51 includes an indexing plate 511 and two filtering screens 512, the two filtering screens 512 are respectively disposed at the upper and lower portions of the indexing plate 511, one of the filtering screens 512 is located at the same horizontal line with the output end of the intake fan 4, and is used for filtering the external air introduced by the intake fan 4, the indexing plate 511 is slidably mounted on the side wall of the cabinet body 1 up and down through a guide rail, a toothed plate 513 is disposed at the side end of the indexing plate 511, a gear 514 is engaged with and driven by the toothed plate 513, and the gear 514 is driven by a motor 515 to rotate for driving the indexing plate 511 to move up and down;

an air volume sensor 6 is arranged in the cabinet body 1, the air volume sensor 6 is electrically connected with the motor 515 and sends a control signal for monitoring the air volume to analyze and judge the dust volume on the filter screen 512.

In this embodiment, the dust removing device 52 includes a dust cleaning slot 521 and a dust cleaning cover 522, the dust cleaning slot 521 is a dustpan-shaped structure, the dust cleaning cover 522 is rotatably disposed at the top opening of the dust cleaning slot 521, when the dust cleaning cover 522 is in a closed state, the dust cleaning slot 521 and the dust cleaning cover 522 form a slot structure with an open front end, and the open front end allows the position changing plate 511 to move into the slot.

In this embodiment, the top of the dust cleaning tank 521 and the bottom of the dust cleaning cover 522 are both provided with a plurality of brushes 523 in an arrangement, and when the dust cleaning cover 522 is closed, the brushes 523 on the dust cleaning tank 521 and the brushes 523 on the dust cleaning cover 522 are arranged in a staggered manner.

In this embodiment, the rear end of the dust removing cover 522 is hinged to the rear end of the dust removing slot 521, the front end of the dust removing cover 522 is fastened to the front end of the dust removing slot 521, and the bottom of the dust removing slot 521 is detachably fastened to the inner wall of the cabinet 1.

The utility model discloses a theory of operation is:

the air inlet fan 4 arranged at the side end is used for ventilating the cabinet and discharging the air through the air outlet 3 at the bottom, so that a positive pressure environment is formed in the cabinet, and when the air inlet fan 4 works, introduced external air can firstly block dust in the air through the filter screen 512, so that the dust can be prevented from entering the cabinet body 1;

after working for a period of time, a large amount of dust is inevitably accumulated on the filter screen 512, the accumulated dust can obstruct the flow of the entering air, when the air flow is detected to be reduced within a certain time by the air volume sensor 6, a signal is sent to the motor 515, the motor 515 works to drive the toothed plate 513 to move, so as to drive the shifting plate 511 to move up and down, the filter screen 512 accumulated with dust is moved into the dust cleaning groove 521, and another clean filter screen 512 is moved to the air inlet 2 to continue working;

the dust-accumulated filter screen 512 is treated by the dust-cleaning cover 522 and the upper and lower brushes 523 of the dust-cleaning tank 521 at the first time when entering the dust-cleaning tank 521, and dust in the filter hole of the filter screen 512 is scraped and transferred into the dust-cleaning tank 521, so that the dust accumulation amount on the filter screen 512 is reduced, and the filter screen 512 can be used continuously in next transposition;

the dust removing device 52 can be detached for cleaning at will, and the user can open the dust removing cover 522 only by releasing the buckle, and then can clean the brush 523.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a malleation ventilation switch board, includes the cabinet body, its characterized in that: the left side and the right side of the cabinet body are respectively provided with an air inlet, the lower part of the cabinet body is provided with an air outlet, and the air inlets are sequentially provided with an air inlet fan and a dustproof assembly from outside to inside;

the dustproof assembly comprises a filtering device and two groups of dust cleaning devices, the filtering device is installed on one side of the output end of the air inlet fan, and the two groups of dust cleaning devices are respectively arranged on the upper side and the lower side of the filtering device and used for cleaning dust adhered to the filtering device;

the filtering device is arranged on the inner side wall of the cabinet body in a vertically sliding mode, and the dust cleaning device is detachably arranged on the inner side wall of the cabinet body.

2. The positive draft switch board of claim 1, wherein: the filtering device comprises a position changing plate and two filtering screens, wherein the two filtering screens are respectively arranged at the upper part and the lower part of the position changing plate, and one filtering screen and the output end of the air inlet fan are positioned on the same horizontal line and used for filtering external air introduced by the air inlet fan.

3. The positive draft power distribution cabinet of claim 2, wherein: the gear shifting plate is arranged on the side wall of the cabinet body in a vertically sliding mode through the guide rail, a toothed plate is arranged at the side end of the gear shifting plate, a gear is meshed and driven on the toothed plate, and the gear is driven to rotate through a motor and used for driving the gear shifting plate to move up and down.

4. The positive draft power distribution cabinet of claim 3, wherein: the internal air sensor that is equipped with of cabinet, air sensor and motor electric connection send control signal for the dust volume on the filter screen is judged with the analysis to the monitoring amount of wind.

5. A plenum cabinet according to any one of claims 1 to 4 wherein: the dust cleaning device comprises a dust cleaning groove and a dust cleaning cover, the dust cleaning groove is of a dustpan-shaped structure, the dust cleaning cover is rotatably arranged at the opening at the top of the dust cleaning groove, the dust cleaning groove and the dust cleaning cover form a slot structure with an opening at the front end in a closed state, and the front end opening is used for the shifting plate to move to the inside of the slot.

6. The positive draft switch board of claim 5, wherein: the top of the dust cleaning groove and the bottom of the dust cleaning cover are both provided with a plurality of brushes in an arrayed manner, and the brushes on the dust cleaning groove and the brushes on the dust cleaning cover are arranged in a staggered manner when the dust cleaning cover is closed.

7. The positive draft power distribution cabinet of claim 5, wherein: the rear end of the dust cleaning cover is hinged with the rear end of the dust cleaning groove, and the front end of the dust cleaning cover is connected with the front end of the dust cleaning groove in a buckling mode.

8. The positive draft power distribution cabinet of claim 7, wherein: the bottom of the dust cleaning groove is detachably clamped with the inner wall of the cabinet body.