CN110662384A

CN110662384A - Dustproof electric cabinet

Info

Publication number: CN110662384A
Application number: CN201910950743.8A
Authority: CN
Inventors: 孔凡俊
Original assignee: Lu'an Sanxin Electrical Equipment Co Ltd
Current assignee: Lu'an Sanxin Electrical Equipment Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-01-07

Abstract

The embodiment of the application provides a dustproof electric cabinet, including the box, with box articulated chamber door, two at least scavenge ports have been seted up on the box, be provided with the changeable unit of taking a breath of exhaust direction in the scavenge port, the scavenge port orientation one side of box inner chamber is provided with dustproof mechanism, dustproof mechanism is at least including covering the dustproof cotton of scavenge port opening and regulation the controller of the unit exhaust direction of taking a breath. The dustproof electric cabinet has good ventilation performance and dustproof performance.

Description

Dustproof electric cabinet

Technical Field

The application relates to the technical field of electric cabinet dust prevention, in particular to a dust-proof electric cabinet.

Background

Some current electric control box for electric power system because the electric elements in the electric control box can produce the heat in the work, lead to inclosed electric control box to have the hidden danger of taking place the conflagration, consequently, need carry out aeration cooling to the electric control box and handle. In the design of electric cabinet ventilation, the dust condition in the environment needs to be fully considered, and the damage to the electric elements caused by the dust entering the electric cabinet is avoided.

Chinese patent with publication number CN108448449A discloses an automatically controlled cabinet of dustproof resistance to compression, including the cabinet body and base, the internal portion of cabinet is equipped with places the chamber, internal wall both sides below of cabinet is equipped with the air inlet, the inside ion fan that is equipped with of air inlet, the dust screen has been inserted between air inlet and the ion fan, cabinet back outside upper end is equipped with the air exit, the air exit inboard is equipped with the exhaust fan, through damping device fixed connection between the cabinet body and the base, form the interlayer between cabinet body extexine and the inner liner, the interlayer is equipped with compressive means. The technical advantage lies in that the ventilation of the cabinet body is realized by adopting the ion fan, and the dust is blocked by the dust screen.

However, the above technique has the following problems: because the dust screen easily appears blockking up the mesh jam problem in the use, and then lead to the dust screen to reduce the filter effect of dust to the ventilation effect of automatically controlled cabinet (electric cabinet) has very big influence.

The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

An object of this application is to solve above-mentioned problem, provides a dustproof electric cabinet, and it can avoid the dust to last piling up on dustproof cotton through the switching of exhaust unit exhaust direction, makes the electric cabinet have good heat-sinking capability and dustproof ability.

In order to achieve the purpose, the invention provides a dustproof electric cabinet which comprises a cabinet body and a cabinet door hinged with the cabinet body, wherein at least two ventilating holes are formed in the cabinet body, a ventilating unit with switchable exhaust direction is arranged in each ventilating hole, a dustproof mechanism is arranged on one side of each ventilating hole, which faces to an inner cavity of the cabinet body, and each dustproof mechanism at least comprises dustproof cotton capable of covering a through hole of each ventilating hole and a controller for adjusting the exhaust direction of each ventilating unit.

Based on above-mentioned structure, through the unit of taking a breath of changeable exhaust direction and the setting of dustproof cotton, can realize ventilating with high efficiency in making the electric cabinet to through the setting of dustproof cotton, make be in can be blockked to the inspiratory dust of unit of taking a breath in the electric cabinet, and make be in and suck the dust of the gas outgoing's unit of taking a breath in the electric cabinet on dustproof cotton, realize the clearance to dust on the dustproof cotton, and then improve the dirt-proof ability of electric cabinet.

Preferably, the ventilation unit includes a first ventilation fan and a second ventilation fan, and the first ventilation fan, the second ventilation fan and the ventilation holes have the same diameter.

Preferably, the first ventilating fan and the second ventilating fan are respectively arranged on two opposite side surfaces of the box body, the first ventilating fan is arranged close to the top surface of the box body, and the second ventilating fan is arranged close to the bottom surface of the box body.

Based on the arrangement of the first ventilating fan and the second ventilating fan, the two ventilating fans are respectively arranged at the top and the bottom of the box body, so that sucked air can be discharged after the sucked air fully flows in the box body, the contact between the outside sucked air and the inner space of the box body is improved, and the ventilation effect and the cooling effect of the electric cabinet are further improved.

Preferably, the first ventilator may suck external air into the interior of the box body, the second ventilator may discharge air from the interior of the box body, and the controller is electrically connected to the first ventilator and the second ventilator, respectively, and controls the first ventilator to discharge air from the interior of the box body and the second ventilator to suck external air into the interior of the box body.

Preferably, the dustproof mechanism further comprises an adjusting part, the dustproof cotton is fixedly arranged on the adjusting part, and the adjusting part drives the dustproof cotton to cover the ventilating hole corresponding to the ventilating unit in the box body, wherein the ventilating hole is in the exhaust direction.

Preferably, the adjusting part comprises a pair of lifting cylinders fixedly arranged in the box body, two corners of one side of the dustproof cotton are fixedly connected with cylinder bodies of the pair of lifting cylinders, two corners of the opposite side of the dustproof cotton are fixedly connected with telescopic ends of the pair of lifting cylinders, and the dustproof cotton covers the ventilating holes along with the ascending of the telescopic ends of the lifting cylinders.

Based on above-mentioned structure, adjust the position of dustproof cotton through the regulating part, make the dustproof cotton that the scavenger fan that is in admitting air corresponds cover the scavenge hole, the dustproof cotton that the scavenger fan that is in exhausting corresponds descends to under the scavenge hole, realizes the adjustment of the inside air current direction of electric cabinet, improves dustproof cotton's dustproof effect.

Preferably, a cleaning part is disposed between the pair of lifting cylinders, the cleaning part includes a driving motor fixedly connected to one of the lifting cylinders, a lead screw driven by the driving motor, and a guide rail fixedly connected to the box body, a nut seat driven by the lead screw is disposed on the lead screw, the nut seat moves along the guide rail under the driving of the lead screw, a cleaning brush is fixedly disposed on the nut seat, and the cleaning brush moves along the guide rail and cleans one side of the dust cotton facing the ventilation hole.

Furthermore, the cleaning part cleans the dustproof cotton on one side of the exhaust ventilator, so that dust on the dustproof cotton is separated from the dustproof cotton under the cleaning action of the cleaning brush and is discharged out of the box body under the action of exhaust airflow, the automatic cleaning function of the dustproof cotton is realized, and the dustproof capacity of the electric cabinet is further improved.

Preferably, a baffle plate is arranged above and obliquely downwards on one side of the outer wall of the box body of the ventilating hole, the length of the baffle plate is larger than the aperture of the ventilating hole so as to prevent the falling liquid from being sucked into the ventilating hole, and the axis of the baffle plate forms an included angle alpha with the outer wall of the box body, and the included angle alpha is 30-89 degrees.

Preferably, the baffle is provided with a diversion strip for guiding the liquid on the baffle to flow to two ends of the baffle.

Based on the setting of above-mentioned baffle, can block liquid such as the rainwater that falls, prevent that rainwater from trading the gas pocket certainly and entering into the electric cabinet in, avoid causing the damage to the electric elements in the electric cabinet.

According to the dustproof electric cabinet of this application, the ventilation effect through the ventilation unit that can switch the exhaust direction in messenger's electric cabinet improves to improve the dustproof effect of electric cabinet under the effect of the dustproof cotton of liftable and the clean dustproof cotton cleaning part of passing through.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of a dustproof electric cabinet according to an embodiment of the present application;

FIG. 2 is a left side view of a dustproof electric cabinet according to an embodiment of the present application;

FIG. 3 is a right side view of a dustproof electric cabinet according to an embodiment of the present application;

FIG. 4 is a schematic position diagram of an adjusting part and a cleaning part of a dustproof electric cabinet according to an embodiment of the present application;

FIG. 5 is a schematic view of a position relationship between a baffle and a box body of a dustproof electric cabinet according to an embodiment of the present application;

fig. 6 is a schematic structural view of a baffle and a flow guide strip of a dustproof electric cabinet according to an embodiment of the present application;

description of reference numerals:

1-box body, 2-box door, 3-ventilation unit, 31-first ventilation fan, second ventilation fan, 4-dustproof mechanism, 41-dustproof cotton, 42-controller, 43-adjusting part, 44-cleaning part, 441-driving motor, 442-screw rod, 443-guide rail, 444-nut seat, 445-cleaning brush, 5-baffle and 6-guide strip.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the application. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

The terms "first," "second," and the like, as used herein, do not denote any order or importance, nor do they denote any order or importance, but rather are used to distinguish one element from another.

Example (b): referring to fig. 1, the dustproof electric cabinet comprises a cabinet body 1 and a cabinet door 2 hinged to the cabinet body 1, wherein at least two ventilation holes are formed in the cabinet body 1, a ventilation unit 3 with switchable exhaust direction is arranged in each ventilation hole, and a dustproof mechanism 4 is arranged on one side of each ventilation hole facing to an inner cavity of the cabinet body 1. Specifically, the ventilation holes of the present embodiment include two, the box body 1 and the box door 2 are based on the prior art, and the ventilation unit 3 may be a ventilation fan in the prior art. In the present embodiment, the dust-proof mechanism 4 includes a dust-proof cotton 41 that can cover the ventilation hole opening, and a controller 42 that adjusts the exhaust direction of the ventilation unit 3. The dustproof cotton 41 is flame-retardant dustproof cotton commonly used in the prior art, and the controller 42 can be a motor control switch commonly used in the prior art.

Based on above-mentioned structure, through the unit of taking a breath 3 of changeable exhaust direction and the setting of dustproof cotton 41, can realize ventilating in making the electric cabinet with high efficiency to through the setting of dustproof cotton 41, the dust that the unit of taking a breath 3 that makes to be in to breathing in the electric cabinet inhales can be blockked, and the dust of unit of taking a breath 3 to dustproof cotton 41 that makes to be in with the gas outgoing in the electric cabinet is sucked, realizes the clearance to dust on the dustproof cotton 41, and then improves the dustproof ability of electric cabinet.

In the present embodiment, as shown in fig. 2 and 3, the ventilation unit 3 includes a first ventilation fan 31 and a second ventilation fan 32, and the diameters of the first ventilation fan 31, the second ventilation fan 32 and the ventilation holes are equal. The first and second ventilation fans 31 and 32 are both based on the prior art, and the first and second ventilation fans 31 and 32 are installed in the ventilation holes by using a mounting method of the ventilation fan in the prior art, for example, the frame of the ventilation fan is screwed to the hole walls of the ventilation holes by using screws in the ventilation holes, and the first and second ventilation fans 31 and 32 are screwed to the frame for fixing.

The first ventilating fan 31 and the second ventilating fan 32 are respectively disposed on two opposite side surfaces of the box body 1, the first ventilating fan 31 is disposed near the top surface of the box body 1, and the second ventilating fan 32 is disposed near the bottom surface of the box body 1. The benefit that sets up like this sets up respectively at the top and the bottom position of box 1 through two scavenger fans, can make inspiratory air get rid of after abundant flow in box 1, improves the contact of external inspiratory air and box 1 inner space, and then improves ventilation effect, the cooling effect of electric cabinet.

Based on the above structure, the first ventilation fan 31 can suck the external air into the box 1, the second ventilation fan 32 can exhaust the air in the box 1, the controller 42 is electrically connected to the first ventilation fan 31 and the second ventilation fan 32 respectively, and controls the first ventilation fan 31 to exhaust the air in the box 1 and the second ventilation fan 32 to suck the external air into the box 1, and the controller 42 adjusts the exhaust direction of the first ventilation fan 31 and the second ventilation fan 32 by controlling the rotation direction of the blades of the first ventilation fan 31 and the second ventilation fan 32.

As a preferred embodiment of this embodiment, referring to fig. 4, the dustproof mechanism further includes an adjusting portion 43, the dustproof cotton 41 is fixed on the adjusting portion 43, and the adjusting portion 43 drives the dustproof cotton 41 to cover the ventilation hole corresponding to the ventilation unit 3 whose exhaust direction faces the inside of the box body 1.

The adjusting portion 43 may be any structure capable of driving the dust cotton 41 to cover the ventilation hole, for example, the adjusting portion 43 may be a winder capable of winding the dust cotton 41. In this embodiment, it is preferable that the adjusting part 43 includes a pair of lifting cylinders fixed in the box body 1, and both corners of one side of the dust-proof cotton 41 are fixedly connected to the cylinders of the pair of lifting cylinders, and both corners of the opposite side are fixedly connected to the telescopic ends of the pair of lifting cylinders, and cover the ventilation holes as the telescopic ends of the lifting cylinders rise. The lift cylinder spiro union is fixed with the inner wall spiro union of box 1, and dustproof cotton 41 fixes with the cylinder body spiro union of lift cylinder or glues glutinous at the corner of one side down in vertical direction, and dustproof cotton 41 fixes with the flexible end spiro union of lift cylinder or glues glutinous at the corner of last one side in vertical direction. The advantage that sets up like this is, adjusts dustproof cotton 41's position through regulating part 43, makes the dustproof cotton 41 that the scavenger fan that is in the air inlet corresponds cover the scavenge hole, and the dustproof cotton 41 that the scavenger fan that is in the exhaust corresponds descends to under the scavenge hole, realizes the adjustment of the inside air current direction of electric cabinet, improves the dustproof effect of electric cabinet.

As shown in fig. 1 and 4, based on the structure of the adjusting part 43, a cleaning part 44 is provided between a pair of elevating cylinders, the cleaning part 44 includes a driving motor 441 fixedly connected to one of the elevating cylinders, a screw 442 driven by the driving motor 441, and a guide rail 443 fixedly connected to the housing 1, a nut holder 444 driven by the screw 442 is provided on the screw 442, the nut holder 444 is moved along the guide rail 443 by the driving of the screw 442, a cleaning brush 445 is fixedly provided on the nut holder 444, and the cleaning brush 445 moves along the guide rail 443 to clean the dust cotton 41 toward the ventilation hole. In this embodiment, the base of the driving motor 411 is screwed to the cylinder of one of the pair of lifting cylinders, the output end of the driving motor 411 faces the other of the pair of lifting cylinders, the screw 442 is connected to the output end of the driving motor 441, and the cleaning brush 445 can be a brush in the prior art, and the brush can clean dust attached to the dust-proof cotton 41. The advantage of this setting is that, cleaning the dustproof cotton 41 that is in exhaust scavenger fan one side through cleaning portion 44, make the dust on this dustproof cotton 41 break away from dustproof cotton 41 and discharge box 1 under the effect of carminative air current under the cleaning of cleaning brush 445, realized the self-cleaning function of dustproof cotton 41, and then improved the dirt-proof ability of electric cabinet.

As another preferred embodiment of this embodiment, referring to fig. 5, a baffle 5 is disposed obliquely downward above the side of the outer wall of the box body 1 of the ventilating hole, the length of the baffle 5 is greater than the diameter of the ventilating hole to prevent the falling liquid from being sucked into the ventilating hole, and the axis of the baffle 5 forms an angle α with the outer wall of the box body 1, and the angle α is 30 ° to 89 °. Baffle 5 is the waterproof board among the prior art, and baffle 5 is fixed with box 1 spiro union. The liquid blocked by the baffle 5 may be an aqueous solution such as rainwater or an oily solution such as engine oil. In this embodiment, the included angle α may be any angle between 30 ° and 89 °, or may be 30 ° or 89 °, and the included angle α in this embodiment is 45 °. Preferably, as shown in fig. 6, the baffle 5 is provided with guide strips 6 for guiding the liquid on the baffle 5 to flow to two ends of the baffle 5. The guide strips 6 may be corrugated strips as known in the art. The benefit that sets up like this is, through baffle 5 and the setting of water conservancy diversion strip 6 on the baffle 5, can block liquid such as the rainwater that falls, prevents that rainwater from trading the gas pocket certainly and entering into the electric cabinet in, avoids causing the damage to the electric elements in the electric cabinet, and then improves the security of electric cabinet.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dustproof electric cabinet comprises a cabinet body (1) and a cabinet door (2) hinged to the cabinet body (1), wherein at least two ventilation holes are formed in the cabinet body (1), ventilation units (3) with switchable exhaust directions are arranged in the ventilation holes, and a dustproof mechanism (4) is arranged on one side, facing an inner cavity of the cabinet body (1), of each ventilation hole, and the dustproof mechanism (4) at least comprises dustproof cotton (41) capable of covering openings of the ventilation holes and a controller (42) for adjusting the exhaust direction of the ventilation units (3).

2. The dustproof electric cabinet according to claim 1, wherein the ventilation unit (3) comprises a first ventilation fan (31) and a second ventilation fan (32), and the first ventilation fan (31), the second ventilation fan (32) and the ventilation holes have the same diameter.

3. The dustproof electric cabinet according to claim 2, wherein the first ventilation fan (31) and the second ventilation fan (32) are respectively arranged on two opposite side surfaces of the cabinet (1), the first ventilation fan (31) is arranged close to the top surface of the cabinet (1), and the second ventilation fan (32) is arranged close to the bottom surface of the cabinet (1).

4. The dustproof electric cabinet according to claim 3, wherein the first ventilation fan (31) can suck external air into the box body (1), the second ventilation fan (32) can exhaust air in the box body (1), and the controller (42) is electrically connected with the first ventilation fan (31) and the second ventilation fan (32) respectively, controls the first ventilation fan (31) to discharge air in the box body (1), and controls the second ventilation fan (32) to suck external air into the box body (1).

5. The dustproof electric cabinet according to claim 1, characterized in that the dustproof mechanism further comprises an adjusting part (43), the dustproof cotton (41) is fixedly arranged on the adjusting part (43), and the adjusting part (43) drives the dustproof cotton (41) to cover the ventilation holes corresponding to the ventilation unit (3) with the exhaust direction facing the interior of the cabinet body (1).

6. The dustproof electric cabinet according to claim 5, wherein the adjusting part (43) comprises a pair of lifting cylinders fixedly arranged in the box body (1), two corners of one side of the dustproof cotton (41) are fixedly connected with the cylinders of the pair of lifting cylinders, two corners of the side opposite to the side are fixedly connected with the telescopic ends of the pair of lifting cylinders, and the ventilating holes are covered after the telescopic ends of the lifting cylinders ascend.

7. The dustproof electric cabinet according to claim 6, characterized in that a cleaning part (44) is arranged between a pair of the lifting cylinders, the cleaning part (44) comprises a driving motor (441) fixedly connected with one of the lifting cylinders, a screw rod (442) driven by the driving motor (441), and a guide rail (443) fixedly connected with the box body (1), a nut seat (444) driven by the screw rod (442) is arranged on the screw rod (442), the nut seat (444) moves along the guide rail (443) under the driving of the screw rod (442), a cleaning brush (445) is fixedly arranged on the nut seat (444), and the cleaning brush (445) moves along the guide rail (443) and cleans one side of the dustproof cotton (41) facing to the ventilation hole.

8. The dustproof electric cabinet according to claim 1, characterized in that a baffle plate (5) is arranged in the ventilation hole obliquely downwards above one side of the outer wall of the box body (1), the length of the baffle plate (5) is larger than the aperture of the ventilation hole so as to prevent the falling liquid from being sucked into the ventilation hole, and the axis of the baffle plate (5) forms an included angle alpha with the outer wall of the box body (1), and the included angle alpha is 30-89 degrees.

9. The dustproof electric cabinet according to claim 8, characterized in that the baffle (5) is provided with a flow guide strip (6) for guiding the liquid on the baffle (5) to flow to two ends of the baffle (5).