CN213367220U - Dustproof ventilation unit of low pressure inverter cabinet - Google Patents
Dustproof ventilation unit of low pressure inverter cabinet Download PDFInfo
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- CN213367220U CN213367220U CN202022308153.6U CN202022308153U CN213367220U CN 213367220 U CN213367220 U CN 213367220U CN 202022308153 U CN202022308153 U CN 202022308153U CN 213367220 U CN213367220 U CN 213367220U
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- frequency conversion
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- impeller
- dust
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Abstract
The utility model discloses a dustproof ventilation device of a low-voltage frequency conversion cabinet, which is arranged on a cabinet body of the low-voltage frequency conversion cabinet and corresponds to an air inlet on the cabinet body, and comprises a box body, wherein a plurality of rows of vent groups are arranged on one side of the box body, and a dustproof net and a cleaning mechanism are arranged in the box body; the dustproof net is detachably arranged on the inner wall of the box body and corresponds to the vent hole; the cleaning structure comprises a motor, a screw rod, a sliding block and a brush; the motor is arranged outside the box body, and the bristles of the brush are in contact connection with the dustproof net; the top of the screw rod is in transmission connection with an impeller; the bottom of the box body is fixedly connected with a guide rod, and the sliding block is connected with the guide rod in a limiting sliding mode. The utility model provides a dustproof ventilation unit of low pressure frequency conversion cabinet through set up the dust screen on the box, not only can realize low pressure frequency conversion cabinet ventilation cooling's function, can also effectually avoid during dust and mosquito etc. enter into the low pressure frequency conversion cabinet to avoid arousing electrical apparatus trouble.
Description
Technical Field
The utility model relates to a low-voltage distribution technical field especially relates to a dustproof ventilation unit of low-voltage frequency conversion cabinet.
Background
In the design of the existing low-voltage frequency conversion cabinet, in order to solve the problem of ventilation and heat dissipation of the low-voltage frequency conversion cabinet, a shutter is usually arranged at the top or the side of the cabinet body so as to realize the functions of ventilation and heat dissipation. But the dustproof grade of shutter is lower, and dust and mosquito etc. easily enter into the low pressure frequency conversion cabinet, arouse electrical apparatus trouble. Therefore, a dustproof ventilation device capable of preventing dust, mosquitoes and the like from entering the low-voltage frequency conversion cabinet is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dustproof ventilation unit of low pressure inverter cabinet to solve the problem that above-mentioned prior art exists.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a dustproof ventilation device of a low-voltage frequency conversion cabinet, which is arranged on a cabinet body of the low-voltage frequency conversion cabinet and corresponds to an air inlet on the cabinet body, the dustproof ventilation device comprises a box body, a plurality of rows of ventilation openings are arranged on one side of the box body, and a dustproof net and a cleaning mechanism are arranged in the box body; the dust screen is detachably arranged on the inner wall of the box body, and the dust screen and the vent hole group are arranged correspondingly;
the cleaning mechanism comprises a motor fixedly arranged at the bottom of the box body, a screw rod fixedly connected with an output shaft of the motor, a sliding block in threaded connection with the screw rod and a brush fixedly connected with the sliding block; the motor is arranged outside the box body, the screw rod is rotatably connected with the box body through a bearing, and bristles of the brush are in contact connection with the dustproof net; the top of the screw rod is in transmission connection with an impeller, and the impeller is positioned above the sliding block; the bottom of the box body is fixedly connected with a guide rod, and the sliding block is connected with the guide rod in a limiting sliding mode.
Preferably, the impeller comprises a transmission gear, an impeller body and blades, the transmission gear is arranged in the impeller body, the transmission gear is fixedly connected with the screw rod, and the impeller body is connected with the transmission gear in a unidirectional rotation manner; the impeller comprises an impeller body, wherein the impeller body is provided with three blades, and the blades are uniformly and fixedly arranged on the outer side wall of the impeller body in the circumferential direction.
Preferably, a transmission rod is hinged to the inner side wall of the impeller body, one end of a spring is fixedly connected to the middle of the transmission rod, the other end of the spring is fixedly connected with the impeller body, and the transmission rod is in limit fit with the transmission gear.
Preferably, a baffle is fixedly connected to the tail end of the guide rod, and the baffle is not higher than the impeller.
Preferably, the top of the brush is of an arc structure.
Preferably, the box corresponds demountable installation has the filter screen on the cabinet body, the filter screen with air intake on the cabinet body corresponds the setting.
Preferably, the slider is kept away from the one end of brush is installed the dust removal roller, the dust removal roller with the filter screen contact is connected.
Preferably, a limiting groove is formed in the dust removing roller, and the sliding block is connected with the dust removing roller in a limiting sliding mode through the limiting groove.
Preferably, the outer wall of the box body is obliquely and fixedly connected with a plurality of dust baffles, the dust baffles correspond to the ventilation openings and are arranged above the ventilation openings.
The utility model discloses a following technological effect: the utility model provides a dustproof ventilation unit of low pressure frequency conversion cabinet through set up the dust screen on the box, not only can realize low pressure frequency conversion cabinet ventilation cooling's function, can also effectually avoid during dust and mosquito etc. enter into the low pressure frequency conversion cabinet to avoid arousing electrical apparatus trouble. Meanwhile, a cleaning mechanism is arranged in the box body, so that the dust screen can be cleaned as required, and the ventilation effect of the dust screen is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an impeller;
FIG. 3 is a schematic view of the connection of the slider to the brush and the dusting roller;
wherein, 1-cabinet body; 2-a box body; 3-a vent group; 4-dust screen; 5, a motor; 6-a screw rod; 7-a slide block; 8-brush; 9-a guide rod; 10-a transmission gear; 11-an impeller body; 12-a blade; 13-a transmission rod; 14-a spring; 15-a baffle; 16-a filter screen; 17-a dust removal roller; 18-a limiting groove; 19-dust board.
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.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The utility model provides a dustproof ventilation device of a low-voltage frequency conversion cabinet, which is arranged on a cabinet body 1 of the low-voltage frequency conversion cabinet and is arranged corresponding to an air inlet on the cabinet body 1, the dustproof ventilation device comprises a box body 2, a plurality of rows of vent groups 3 are arranged on one side of the box body 2, and a dustproof net 4 and a cleaning mechanism are arranged in the box body 2; the dust screen 4 is detachably mounted on the inner wall of the box body 2, and the dust screen 4 is arranged corresponding to the vent group 3;
the cleaning mechanism comprises a motor 5 fixedly arranged at the bottom of the box body 2, a screw rod 6 fixedly connected with an output shaft of the motor 5, a sliding block 7 in threaded connection with the screw rod 6 and a brush 8 fixedly connected with the sliding block 7; the motor 5 is arranged outside the box body 2, the screw rod 6 is rotatably connected with the box body 2 through a bearing, and bristles of the brush 8 are in contact connection with the dust screen 4; the top of the screw rod 6 is in transmission connection with an impeller, and the impeller is positioned above the sliding block 7; the bottom of the box body 2 is fixedly connected with a guide rod 9, and the sliding block 7 is in limited sliding connection with the guide rod 9.
Further, the impeller comprises a transmission gear 10, an impeller body 11 and blades 12, the transmission gear 10 is arranged in the impeller body 11, the transmission gear 10 is fixedly connected with the screw rod 6, and the impeller body 11 is connected with the transmission gear 10 in a one-way rotating manner; the number of the blades 12 is three, and the blades 12 are circumferentially and uniformly fixedly arranged on the outer side wall of the impeller body 11; in order to realize the unidirectional rotation of the impeller body 11 and the transmission gear 10, a transmission rod 13 is hinged on the inner side wall of the impeller body 11, one end of a spring 14 is fixedly connected to the middle of the transmission rod 13, the other end of the spring 14 is fixedly connected with the impeller body 11, and the transmission rod 13 is in limit fit with the transmission gear 10. When the transmission gear 10 rotates clockwise under the action of the screw rod 6, the transmission rod 13 repeats the processes of pressing and bouncing under the action of the transmission gear 10 and the spring 14, so that the transmission gear 10 cannot effectively transmit the impeller body 11; when the transmission gear 10 rotates counterclockwise under the action of the screw rod 6, the transmission rod 13 is in limit fit with the transmission gear 10 under the action of the spring 14, so that the transmission gear 10 can effectively transmit the impeller body 11 through the transmission rod 13, and further the unidirectional rotation of the impeller is realized.
Further, in order to avoid the influence of the slide block 7 on the rotation of the impeller, a baffle plate 15 is fixedly connected to the tail end of the guide rod 9, and the baffle plate 15 is not higher than the impeller.
Furthermore, in order to enable wind generated by rotation of the impeller to better clean dust on the dustproof net 4, the top of the brush 8 is of an arc-shaped structure. The arc-shaped structure at the top of the brush 8 is used for guiding, so that the dust screen 4 is better cleaned by wind generated by the impeller.
In order to further avoid the dust to enter into the low-voltage frequency conversion cabinet, demountable installation has filter screen 16 on the cabinet body 1 that box 2 corresponds, filter screen 16 with air intake on the cabinet body 1 corresponds the setting. The dust entering the box body 2 is filtered by the filter screen 16, so that the dust is prevented from entering the low-voltage frequency conversion cabinet.
Further, in order to ensure the ventilation effect of the filter screen 16, a dust removing roller 17 is installed at one end of the sliding block 7, which is far away from the hairbrush 8, and the dust removing roller 17 is in contact connection with the filter screen 16; a limiting groove 18 is formed in the dust removing roller 17, and the sliding block 7 is connected with the dust removing roller 17 in a limiting sliding mode through the limiting groove 18. The dust on the surface of the filter screen 16 is cleaned by the dust removing roller 17, so that the ventilation effect of the filter screen 16 is ensured.
Further, for the interception effect and the water-proof effects of improvement box 2 to the dust, slope fixedly connected with a plurality of dust board 19 on the 2 outer walls of box, dust board 19 with vent group 3 corresponds the setting, just dust board 19 is located vent group 3 tops.
The utility model provides a dustproof ventilation unit of low-voltage inverter cabinet, the air that gets into the low-voltage inverter cabinet is at first through stopping of dust board 19, in the interception through dust screen 4 and filter screen 16 in proper order, can guarantee that the dust can not enter into the low-voltage inverter cabinet to avoid arousing the electrical apparatus trouble in the low-voltage inverter cabinet. Moreover, the utility model can also clean the dust screen 4 and the filter screen 16 through the cleaning mechanism, the motor 5 is utilized to drive the screw rod 6 to rotate, and the screw rod 6 drives the slider 7 and the brush 8 to move up and down along the direction of the screw rod 6 by changing the rotating direction of the motor 5, so that the brush 8 is utilized to clean the dust screen 4, and the dust removing roller 17 is utilized to clean the filter screen 16; meanwhile, when the screw rod 6 rotates anticlockwise, the screw rod 6 can drive the impeller to rotate, so that downward wind is generated, dust on the dust screen 4 cleaned by the brush 8 is blown away from the dust screen 4 by the wind, and the dust removal effect of the dust screen 4 is improved.
The utility model provides a dustproof ventilation unit of low-voltage frequency conversion cabinet not only can realize low-voltage frequency conversion cabinet ventilation cooling's function, can also effectually avoid during dust and mosquito etc. enter into low-voltage frequency conversion cabinet to avoid arousing electrical apparatus trouble.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (9)
1. A dustproof ventilation device of a low-voltage frequency conversion cabinet is arranged on a cabinet body (1) of the low-voltage frequency conversion cabinet and corresponds to an air inlet on the cabinet body (1), and is characterized by comprising a box body (2), wherein one side of the box body (2) is provided with a plurality of rows of ventilation openings (3), and a dustproof net (4) and a cleaning mechanism are arranged in the box body (2); the dust screen (4) is detachably mounted on the inner wall of the box body (2), and the dust screen (4) is arranged corresponding to the ventilation opening group (3);
the cleaning mechanism comprises a motor (5) fixedly arranged at the bottom of the box body (2), a screw rod (6) fixedly connected with an output shaft of the motor (5), a sliding block (7) in threaded connection with the screw rod (6) and a brush (8) fixedly connected with the sliding block (7); the motor (5) is arranged outside the box body (2), the screw rod (6) is rotatably connected with the box body (2) through a bearing, and bristles of the brush (8) are in contact connection with the dust screen (4); the top of the screw rod (6) is in transmission connection with an impeller, and the impeller is positioned above the sliding block (7); the bottom of the box body (2) is fixedly connected with a guide rod (9), and the sliding block (7) is in limited sliding connection with the guide rod (9).
2. The low-voltage frequency conversion cabinet dustproof ventilation device according to claim 1, characterized in that: the impeller comprises a transmission gear (10), an impeller body (11) and blades (12), the transmission gear (10) is arranged in the impeller body (11), the transmission gear (10) is fixedly connected with the screw rod (6), and the impeller body (11) is connected with the transmission gear (10) in a unidirectional rotation manner; the number of the blades (12) is three, and the blades (12) are circumferentially and uniformly fixedly mounted on the outer side wall of the impeller body (11).
3. The low-voltage frequency conversion cabinet dustproof ventilation device according to claim 2, characterized in that: a transmission rod (13) is hinged to the inner side wall of the impeller body (11), one end of a spring (14) is fixedly connected to the middle of the transmission rod (13), the other end of the spring (14) is fixedly connected with the impeller body (11), and the transmission rod (13) is in limit fit with the transmission gear (10).
4. The low-voltage frequency conversion cabinet dustproof ventilation device according to claim 1, characterized in that: the tail end of the guide rod (9) is fixedly connected with a baffle (15), and the baffle (15) is not higher than the impeller.
5. The low-voltage frequency conversion cabinet dustproof ventilation device according to claim 1, characterized in that: the top of the brush (8) is of an arc-shaped structure.
6. The low-voltage frequency conversion cabinet dustproof ventilation device according to claim 1, characterized in that: the cabinet body (1) is provided with a filter screen (16) in a detachable mode, and the filter screen (16) corresponds to an air inlet in the cabinet body (1).
7. The low-voltage frequency conversion cabinet dustproof ventilation device according to claim 6, characterized in that: slider (7) are kept away from dust removal roller (17) are installed to the one end of brush (8), dust removal roller (17) with filter screen (16) contact is connected.
8. The low-voltage frequency conversion cabinet dustproof ventilation device according to claim 7, characterized in that: a limiting groove (18) is formed in the dust removing roller (17), and the sliding block (7) is connected with the dust removing roller (17) in a limiting sliding mode through the limiting groove (18).
9. The low-voltage frequency conversion cabinet dustproof ventilation device according to claim 1, characterized in that: the box (2) outer wall is inclined and fixedly connected with a plurality of dust baffles (19), the dust baffles (19) and the ventilation opening group (3) are correspondingly arranged, and the dust baffles (19) are located above the ventilation opening group (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022308153.6U CN213367220U (en) | 2020-10-16 | 2020-10-16 | Dustproof ventilation unit of low pressure inverter cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022308153.6U CN213367220U (en) | 2020-10-16 | 2020-10-16 | Dustproof ventilation unit of low pressure inverter cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213367220U true CN213367220U (en) | 2021-06-04 |
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ID=76130830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022308153.6U Active CN213367220U (en) | 2020-10-16 | 2020-10-16 | Dustproof ventilation unit of low pressure inverter cabinet |
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| Country | Link |
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| CN (1) | CN213367220U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113613422A (en) * | 2021-06-29 | 2021-11-05 | 海南新丰源实业有限公司 | Power plant booster station relay protection device |
| CN113630995A (en) * | 2021-08-03 | 2021-11-09 | 安徽海兴科技设备有限公司 | Cabinet dust removal structure and cabinet thereof |
-
2020
- 2020-10-16 CN CN202022308153.6U patent/CN213367220U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113613422A (en) * | 2021-06-29 | 2021-11-05 | 海南新丰源实业有限公司 | Power plant booster station relay protection device |
| CN113613422B (en) * | 2021-06-29 | 2022-11-11 | 海南新丰源实业有限公司 | Power plant booster station relay protection device |
| CN113630995A (en) * | 2021-08-03 | 2021-11-09 | 安徽海兴科技设备有限公司 | Cabinet dust removal structure and cabinet thereof |
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