CN217522430U

CN217522430U - Positive pressure type ventilation device for electric power room

Info

Publication number: CN217522430U
Application number: CN202220146125.5U
Authority: CN
Inventors: 王丁强; 唐生辉
Original assignee: Shaanxi Satisfactory Cement Co ltd
Current assignee: Shaanxi Satisfactory Cement Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-09-30
Anticipated expiration: 2032-01-19

Abstract

The utility model relates to an electric power room cooling technical field specifically is an electric power room is with positive pressure formula ventilation unit, including the ventilation casing, ventilation casing one side outer wall has seted up the mounting groove, and the inner wall of mounting groove installs the air inlet fence, air-out casing is installed at ventilation casing one side outer wall top, and air-out shells inner wall installs two axial fan, and the exhaust vent that the equidistance distributes is seted up at ventilation casing one side outer wall top, a baffle is installed at ventilation casing both sides inner wall top, and just the baffle top outer wall sets up the equidistance and is six circular recess that the annular distributes, the utility model discloses can pass through ventilation casing and axial fan, pass through the dust removal sack with the air in the external world and filter through the air inlet fence, then discharge through the air-out casing to the natural wind that a quantitative filtration was blown in to the electric power room, the air conditioner can the bring out of rest or even not practice thrift the electric quantity at installation air conditioner completely under the circumstances that ambient temperature is not very high.

Description

Positive pressure type ventilation device for electric power room

Technical Field

The utility model relates to an electric power room cooling technical field specifically is an electric power room is with positive pressure ventilation unit.

Background

Most of high-low voltage frequency conversion cabinets, direct current control cabinets, cameras and other electrical equipment of cement enterprises have strict requirements on environmental temperature and dust content during operation. The too high temperature can cause the thermal protection action to jump and stop, and long-term overheated leads to the fact electronic component ageing early even damage, and the too high dust content can lead to electrical equipment filter screen often to block up the ventilation badly, prevents that electrical equipment's normal heat dissipation from causing the switch board temperature to rise.

Therefore, in order to reduce the temperature of the electric power room, many enterprises add a high-power air conditioner and manufacture ventilation pipelines of high-low voltage frequency conversion cabinets, direct current control cabinets, cameras and other electric equipment which are easy to generate heat in operation, and the heat emitted by the radiator is discharged to the outside through the induced draft fan so as to reduce the pressure of the air conditioner and reduce the temperature of the electric power room. Since a large amount of gas is discharged to the outside of the electric power room, the electric power room is not sufficiently supplied with air when it is sealed, and the electric power room is in a strong negative pressure state. Therefore, the ventilation quantity of the electric control cabinet is greatly reduced to influence the cooling effect. Meanwhile, dust in the power room is easily sucked into the power room from gaps such as doors and windows in a strong negative pressure state, which not only affects the environment of the power room, but also easily blocks the filter screen of the control cabinet, so that a positive pressure ventilation device for the power room is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric power is positive pressure ventilation unit for room to solve the problem that proposes in the above-mentioned background art.

The technical scheme of the utility model is that: the utility model provides an electric power room is with positive pressure ventilation unit, includes the ventilation casing, ventilation casing one side outer wall has seted up the mounting groove, and the inner wall of mounting groove installs the air inlet fence, ventilation casing one side outer wall top installs the air-out casing, and air-out casing inner wall installs two axial fan, and ventilation casing one side outer wall top sets up the exhaust vent that the equidistance distributes, a baffle is installed at ventilation casing both sides inner wall top, and just baffle top outer wall sets up six circular recesses that the equidistance is the annular and distributes, and dust removal sack frame is installed to the circular recess inner wall, and dust removal sack has been cup jointed to dust removal sack frame outside, and the bottom of ventilation casing is provided with clearance mechanism.

Preferably, the rectangular channel has been seted up to ventilation casing one side outer wall bottom, and the inner wall of rectangular channel bottom articulates there is the ash bucket, and the opening has been seted up to ventilation casing one end outer wall, and opening one side inner wall articulates there is the maintenance door board.

Preferably, the air inlet casing is installed to ventilation casing top outer wall, and air inlet casing both sides inner wall installs a filter plate, the aspiration pump is installed to ventilation casing top inner wall, the outlet duct is installed to the aspiration pump output, the jet-propelled casing is installed to the outlet duct other end, jet-propelled casing circumference outer wall is pegged graft and is had the jet-propelled pipe that the equidistance distributes, the jet-propelled nose that the equidistance distributes is installed to jet-propelled pipe circumference outer wall, can be at a period with the high-pressure gas back spray on the dust removal sack, thereby clear up it, avoid long-time use dust jam dust removal sack, the air filter effect has been guaranteed.

Preferably, the cleaning mechanism comprises a supporting plate fixed in the middle of the inner walls of the two sides of the ventilation shell, the outer wall of the top of the supporting plate is provided with a motor, and the bottom of the circumferential outer wall of the output shaft of the motor is sleeved with a driving gear.

Preferably, backup pad top outer wall rotates and is connected with the rotation axis that the equidistance is the annular and distributes, and rotation axis one side outer wall installs clearance brush hair pole, rotation axis circumference outer wall bottom has cup jointed the driven gear with driving gear engaged with, dust-proof housing has been cup jointed to the outside of motor, dust-proof housing avoids the dust adhesion on the outer wall of motor, open the motor, can drive the rotation axis rotation on the driven gear through the driving gear, clearance brush hair pole comes to clear up the outer wall of dust removal sack and scrapes, the clearance effect has further been improved.

Preferably, an arc-shaped connecting plate is installed at the bottom of the peripheral inner wall of the ventilation shell, a discharging groove is formed in the outer wall of the bottom of the arc-shaped connecting plate, a supporting rod is installed on the outer wall of the bottom of the arc-shaped connecting plate, and an arc-shaped baffle is installed on the outer wall of the bottom of the supporting rod.

Preferably, the inner wall of ventilation housing bottom rotates and is connected with the threaded rod, and the threaded rod extends to the cowl top, threaded rod circumference outer wall rotates through the screw and is connected with the sprue, and arc connecting plate bottom outer wall both sides have all seted up the spacing groove, and the inner wall sliding connection of spacing groove has the gag lever post, gag lever post bottom outer wall and sprue top outer wall fixed connection, when the ash bucket is opened to needs and the dust is cleared up, only need rotate the threaded rod, thereby it rises to drive the sprue, thereby plug up the lower chute, avoid the circulation of air to the ventilation housing bottom, can clear up the dust under the circumstances of not shutting down, the cooling work to electric power room electrical equipment has been guaranteed, the gag lever post can make the sprue up the stability of removal.

The utility model discloses an improve and provide a positive pressure ventilation unit for electric power room here, compare with prior art, have following improvement and advantage:

one is as follows: the utility model discloses a be provided with ventilation casing and axial fan, pass through the dust removal sack with the air of external world through the air inlet fence and filter, then discharge through the air-out casing, thereby to the electric power room a certain amount of natural wind that filters of drum-in, supply the electric power room electrical equipment because of the cooling hot-blast that needs the exhaust, make the electric power indoor be in the pressure-fired state, outside dust can't get into indoor in this way and ensure that the electrical equipment filter screen inhales is clean natural wind, and promoted the required air volume of electrical equipment cooling, the air conditioner can stop the operation completely even not installing the air conditioner and saving the electric quantity under the condition that ambient temperature is not especially high;

the second step is as follows: the utility model discloses a be provided with the air inlet casing, filter plate, the aspiration pump, the air jet nozzle on jet-propelled casing and the jet-propelled pipe, can be on a period with the high-pressure gas jet-propelled on the dust removal sack, thereby clear up it, avoid using the dust to block up the dust removal sack for a long time, the filtration effect has been guaranteed, through being provided with clearance mechanism, open the motor during jet-propelled blowback, can drive the rotation axis rotation on the driven gear through the driving gear, the clearance brush hair pole comes to clear up the outer wall of dust removal sack and scrapes, the clearance effect has further been improved.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the ventilation housing of the present invention;

FIG. 3 is a schematic view of the enlarged partial structure of the present invention;

fig. 4 is a schematic sectional view of a ventilation housing according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a second embodiment of the present invention.

Description of the reference numerals:

1. an ash hopper; 2. an air inlet fence; 3. an axial flow fan; 4. an air outlet shell; 5. an air inlet housing; 6. a ventilated casing; 7. maintaining the door panel; 8. a cleaning mechanism; 801. cleaning the brush hair rod; 802. a support plate; 803. a driven gear; 804. a rotating shaft; 805. an electric motor; 9. a filter screen plate; 10. an air pump; 11. a jet housing; 12. a gas ejector tube; 13. an arc-shaped connecting plate; 14. a support bar; 15. an arc-shaped baffle plate; 16. a partition plate; 17. a dust removal cloth bag; 18. a dust removal cloth bag frame; 19. a threaded rod; 20. blocking; 21. a limiting rod.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. 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.

The utility model discloses an improve and provide a positive pressure ventilation unit for electric power room here, the technical scheme of the utility model is:

example 1

As shown in fig. 1-3, a positive pressure type ventilation device for an electric power room comprises a ventilation casing 6, a mounting groove is formed in the outer wall of one side of the ventilation casing 6, an air inlet fence 2 is installed on the inner wall of the mounting groove, an air outlet casing 4 is installed at the top of the outer wall of one side of the ventilation casing 6, two axial flow fans 3 are installed on the inner wall of the air outlet casing 4, air outlet holes distributed equidistantly are formed in the top of the outer wall of one side of the ventilation casing 6, a partition plate 16 is installed at the tops of the inner walls of two sides of the ventilation casing 6, six circular grooves distributed equidistantly in an annular shape are formed in the outer wall of the top of the partition plate 16, a dust removal cloth bag frame 18 is installed on the inner wall of the circular grooves, a dust removal cloth bag 17 is sleeved on the outer portion of the dust removal cloth frame 18, and a cleaning mechanism 8 is arranged at the bottom of the ventilation casing 6.

Further, the rectangular channel has been seted up to ventilation casing 6 one side outer wall bottom, and the inner wall of rectangular channel bottom articulates there is ash bucket 1, and the first in command is installed to ash bucket 1 one side outer wall, and the opening has been seted up to ventilation casing 6 one end outer wall, and opening one side inner wall articulates there is maintenance door plant 7, and the second in command is installed to maintenance door plant 7 one end outer wall one side.

Further, air inlet casing 5 is installed to 6 top outer walls of ventilation casing, and filter plate 9 is installed to 5 both sides inner walls of air inlet casing, aspiration pump 10 is installed to 6 top inner walls of ventilation casing, the outlet duct is installed to the output of aspiration pump 10, jet-propelled casing 11 is installed to the outlet duct other end, 11 circumference outer walls of jet-propelled casing are pegged graft and are had the jet-propelled pipe 12 that the equidistance distributes, the air nozzle that the equidistance distributes is installed to 12 circumference outer walls of jet-propelled pipe, can be at a period with the high-pressure gas jet-propelled on dust removal sack 17, thereby clear up it, avoid using the dust for a long time to block up dust removal sack 17, the air filter effect has been guaranteed.

Further, clearance mechanism 8 is including fixing a backup pad 802 at 6 both sides inner wall middle parts of ventilation casing, and the outer wall of backup pad 802 top installs motor 805, and motor 805 output shaft circumference outer wall bottom has cup jointed the driving gear.

Further, the outer wall of the top of the supporting plate 802 is rotatably connected with a rotating shaft 804 which is distributed in an annular shape at equal intervals, a cleaning bristle rod 801 is installed on the outer wall of one side of the rotating shaft 804, a driven gear 803 meshed with a driving gear is sleeved at the bottom of the outer wall of the circumference of the rotating shaft 804, a dustproof shell is sleeved outside the motor 805, the dustproof shell prevents dust from being adhered to the outer wall of the motor 805, the motor 805 is opened, the rotating shaft 804 which drives the driven gear 803 through the driving gear rotates, the cleaning bristle rod 801 cleans and scrapes the outer wall of the dust removal cloth bag 18, and the cleaning effect is further improved.

Further, an arc connecting plate 13 is installed to inner wall bottom all around of ventilation casing 6, and arc connecting plate 13 bottom outer wall has seted up down the silo, and bracing piece 14 is installed to arc connecting plate 13 bottom outer wall, and an cowl 15 is installed to 14 bottom outer walls of bracing piece, can reduce the dust in ventilation casing 6 bottom and fly to the top of ventilation casing 6 again, has improved the stability that the dust was stored.

The working principle is as follows: the device is fixed on a working place, the axial flow fan 3 is started, outside air is filtered by the dust removal cloth bag 17 through the air inlet fence 2 and then is discharged through the air outlet shell 4, a certain amount of filtered natural air is blown into the electric power room to supplement hot air which is required to be discharged by electric equipment in the electric power room due to cooling, the electric power room is in a micro-positive pressure state, so that outside dust cannot enter the room to ensure that clean natural air is sucked by a filter screen of the electric equipment, the ventilation required by the cooling of the electric equipment is also improved, the air conditioner can completely stop running even is not installed to save electric quantity under the condition that the environmental temperature is not particularly high, high-pressure air can be reversely sprayed on the dust removal cloth bag 17 for a period of time through the air nozzles arranged on the air inlet shell 5, the filter screen plate 9, the air pump 10, the air injection shell 11 and the air injection pipe 12, so as to clean the dust removal cloth bag, avoid using the dust for a long time to block up dust removal sack 17, the air filter effect has been guaranteed, through being provided with clearance mechanism 8, open motor 805 during jet-propelled blowback, can drive the rotation axis 804 rotation on the driven gear 803 through the driving gear, clearance brush hair pole 801 comes to clear up the outer wall of dust removal sack 17 and scrapes, the clearance effect has further been improved, and arc connecting plate 13, bracing piece 14 and cowl 15's setting, can reduce the dust in ventilation housing 6 bottom and fly to ventilation housing 6's top again, the stability that the dust was stored has been improved.

The second embodiment:

based on the positive pressure ventilation device for the electric power room provided by the first embodiment of the application, the second embodiment of the application provides another positive pressure ventilation device for the electric power room. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments

As shown in fig. 1-5, a positive pressure type ventilation device for electric power room, including 6 bottom inner walls of ventilation casing rotate and be connected with threaded rod 19, and threaded rod 19 extends to cowl 15 top, 19 circumference outer walls of threaded rod have sprue 20 through the screw thread rotation, and 13 bottom outer wall both sides of cowl have all been seted up the spacing groove, and the inner wall sliding connection of spacing groove has gag lever post 21, gag lever post 21 bottom outer wall and 20 top outer wall fixed connection of sprue, when needing to open ash bucket 1 and come the clearance dust, only need rotate threaded rod 19, thereby drive sprue 20 and rise, thereby block up the lower chute, avoid the circulation of air to 6 bottoms of ventilation casing, can clear up the dust under the circumstances of not shutting down, guaranteed the cooling work to electric power room electrical equipment, gag lever post 21 can make the stability of sprue 20 up moving.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a positive pressure ventilation unit for electric power room which characterized in that: including ventilation casing (6), the mounting groove has been seted up to ventilation casing (6) one side outer wall, and the inner wall of mounting groove installs air inlet fence (2), air-out casing (4) are installed at ventilation casing (6) one side outer wall top, and air-out casing (4) inner wall installs two axial fan (3), and the exhaust vent that the equidistance distributed is seted up at ventilation casing (6) one side outer wall top, one baffle (16) are installed at ventilation casing (6) both sides inner wall top, and baffle (16) top outer wall sets up six circular slots that the equidistance is the annular and distributes, and dust removal sack frame (18) are installed to the circular slot inner wall, and dust removal sack frame (18) outside has been cup jointed dust removal sack (17), and the bottom of ventilation casing (6) is provided with clearance mechanism (8).

2. A positive pressure ventilation apparatus for an electric power room as claimed in claim 1, wherein: the rectangular channel has been seted up to ventilation casing (6) one side outer wall bottom, and the rectangular channel bottom inner wall articulates there is ash bucket (1), and the first in command is installed to ash bucket (1) one side outer wall, and the opening has been seted up to ventilation casing (6) one end outer wall, and opening one side inner wall articulates there is maintenance door plant (7), and the second handle is installed to maintenance door plant (7) one end outer wall one side.

3. A positive pressure ventilation apparatus for an electric power room according to claim 1, characterized in that: air inlet casing (5) are installed to ventilation casing (6) top outer wall, and one filter plate (9) are installed to air inlet casing (5) both sides inner wall, and aspiration pump (10) are installed to ventilation casing (6) top inner wall, and the outlet duct is installed to aspiration pump (10) output, and jet-propelled casing (11) are installed to the outlet duct other end, and jet-propelled casing (11) circumference outer wall is pegged graft and is had jet-propelled pipe (12) that the equidistance distributes, and jet-propelled nozzle that the equidistance distributes is installed to jet-propelled pipe (12) circumference outer wall.

4. A positive pressure ventilation apparatus for an electric power room as claimed in claim 1, wherein: the cleaning mechanism (8) comprises a supporting plate (802) fixed in the middle of the inner walls of two sides of the ventilation shell (6), a motor (805) is installed on the outer wall of the top of the supporting plate (802), and a driving gear is sleeved at the bottom of the outer wall of the circumference of an output shaft of the motor (805).

5. A positive pressure ventilation apparatus for an electric power room as claimed in claim 4, wherein: the outer wall of the top of the supporting plate (802) is rotatably connected with rotating shafts (804) which are distributed in an annular shape at equal intervals, a cleaning brush rod (801) is installed on the outer wall of one side of each rotating shaft (804), a driven gear (803) meshed with a driving gear is sleeved at the bottom of the circumferential outer wall of each rotating shaft (804), and a dustproof shell is sleeved outside each motor (805).

6. A positive pressure ventilation apparatus for an electric power room as claimed in claim 1, wherein: an arc connecting plate (13) is installed to inner wall bottom all around of ventilation casing (6), and arc connecting plate (13) bottom outer wall has seted up down the silo, and bracing piece (14) are installed to arc connecting plate (13) bottom outer wall, and an cowl (15) is installed to bracing piece (14) bottom outer wall.

7. A positive pressure ventilation apparatus for an electric power room according to claim 1, characterized in that: the ventilation casing (6) bottom inner wall rotates and is connected with threaded rod (19), and threaded rod (19) extend to cowl (15) top, threaded rod (19) circumference outer wall is connected with sprue (20) through the screw rotation, and arc connecting plate (13) bottom outer wall both sides have all seted up the spacing groove, and the inner wall sliding connection of spacing groove has gag lever post (21), gag lever post (21) bottom outer wall and sprue (20) top outer wall fixed connection.