CN214957969U - Lightning protection low-voltage distribution cabinet - Google Patents
Lightning protection low-voltage distribution cabinet Download PDFInfo
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- CN214957969U CN214957969U CN202121240344.1U CN202121240344U CN214957969U CN 214957969 U CN214957969 U CN 214957969U CN 202121240344 U CN202121240344 U CN 202121240344U CN 214957969 U CN214957969 U CN 214957969U
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- winding roller
- cabinet body
- cabinet
- water receiving
- shielding curtain
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Abstract
The utility model relates to a lightning protection low-voltage power distribution cabinet, the top of the cabinet body is fixedly provided with a lightning rod, the left and right side walls of the cabinet body are respectively provided with a plurality of heat dissipation holes, the inner sides of the left and right side walls of the cabinet body are respectively fixedly provided with a water receiving tank with an upper end opening, a shielding curtain is wound on a first winding roller, one end of the shielding curtain far away from the first winding roller is connected with a stay cord, and one end of the stay cord far away from the shielding curtain is wound on a second winding roller; the utility model discloses a lightning rod is used for preventing that the cabinet body from suffering the thunderbolt and leading to its inside electrical components to receive the damage, in addition through first wind-up roll release shielding curtain to through second wind-up roll rolling stay cord, thereby cover a plurality of louvres through shielding curtain, avoid the rainwater to splash into the internal inside electrical components that moisten of cabinet through the louvre.
Description
Technical Field
The utility model relates to a switch board technical field, concretely relates to lightning protection low-voltage power distribution cabinet.
Background
Most low-voltage distribution cabinets are installed in an open area, and when the low-voltage distribution cabinets are used in outdoor rainy days, electrical components in the cabinets are damaged due to the fact that lightning strikes are easily applied to the low-voltage distribution cabinets. And current low-voltage distribution cabinet when using, generally reserve the louvre and carry out the air and exchange to reach radiating purpose, this has just caused the rainwater to get into the switch board from the louvre in, causes the equipment short circuit, brings economic loss.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a lightning protection low-voltage power distribution cabinet is provided, lightning protection, rain-proof effectual to solve the problem among the prior art.
In order to solve the technical problem, the technical scheme of the utility model is that: a lightning protection low-voltage power distribution cabinet comprises a cabinet body, wherein a cabinet door is arranged on the front side wall of the cabinet body, and a lightning rod is fixedly installed at the top of the cabinet body; the cabinet is characterized in that a plurality of heat dissipation holes are respectively formed in the left side wall and the right side wall of the cabinet body, the heat dissipation holes are vertically and uniformly arranged at intervals, water receiving grooves with openings at the upper ends are respectively fixedly arranged on the inner sides of the left side wall and the right side wall of the cabinet body, the height of each water receiving groove is lower than that of the heat dissipation hole at the bottommost part, and a blocking and shielding assembly positioned above the water receiving grooves is further arranged in the cabinet body; the shielding assembly comprises a first winding roller rotatably mounted in the cabinet body, the first winding roller extends forwards and backwards, the height of the first winding roller is higher than that of the heat dissipation hole at the top, a second winding roller positioned below the first winding roller is rotatably mounted in the water receiving tank and parallel to the first winding roller, a shielding curtain is wound on the first winding roller, one end, far away from the first winding roller, of the shielding curtain is connected with a pull rope, and one end, far away from the shielding curtain, of the pull rope is wound on the second winding roller; the cabinet is internally provided with a driving mechanism for driving the first winding roller and the second winding roller to rotate.
As a preferred technical scheme, the driving mechanism comprises a driving motor fixedly installed on the outer side of the water receiving tank, the output end of the driving motor is fixedly connected with one end of the second winding roller, which is far away from the driving motor, extends to the outer side of the water receiving tank and is fixedly provided with a first chain wheel, the first winding roller is fixedly provided with a second chain wheel located above the first chain wheel, and a chain is connected between the first chain wheel and the second chain wheel; the winding direction of the shielding curtain on the first winding roller is opposite to the winding direction of the pull rope on the second winding roller.
As a further improvement, the bottom of the water receiving tank is connected with a drain pipe extending to the outer side of the cabinet body.
As a further improvement, a filter screen is fixedly arranged in the radiating hole.
As a further improvement, the top fixed mounting of the cabinet body has a canopy, be equipped with the confession on the canopy the via hole that the lightning rod passed, the via hole with be equipped with the rubber ring between the lightning rod.
According to the lightning protection low-voltage power distribution cabinet adopting the technical scheme, the lightning rod is fixedly installed at the top of the cabinet body, the left side wall and the right side wall of the cabinet body are respectively provided with a plurality of heat dissipation holes, the inner sides of the left side wall and the right side wall of the cabinet body are respectively and fixedly provided with water receiving grooves with openings at the upper ends, the first winding roller is wound with the shielding curtain, one end, away from the first winding roller, of the shielding curtain is connected with the pull rope, and one end, away from the shielding curtain, of the pull rope is wound on the second winding roller; the utility model discloses a lightning rod is used for preventing that the cabinet body from suffering the thunderbolt and leading to its internal electrical components to receive the damage, in addition through first wind-up roll release shielding curtain to through second wind-up roll rolling stay cord, thereby cover a plurality of louvres through shielding curtain, avoid the rainwater to splash into the internal electrical components of wetting of cabinet through the louvre, have the lightning protection, rain-proof effectual advantage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the heat dissipation holes covered by the shielding curtain according to the embodiment of the present invention;
fig. 4 is a schematic sectional view a-a in fig. 2.
In the figure: 1-a cabinet body; 2-cabinet door; 3-a lightning rod; 4-heat dissipation holes; 5-water receiving tank; 6-a first wind-up roll; 7-a second wind-up roll; 8-a curtain; 9-pulling a rope; 10-a drive motor; 11-a first sprocket; 12-a second sprocket; 13-a chain; 14-a drain pipe; 15-filtering with a filter screen; 16-a rain shed; 17-rubber ring.
Detailed Description
As shown in fig. 1 to 4, the lightning protection low-voltage power distribution cabinet comprises a cabinet body 1, wherein a cabinet door 2 is arranged on the front side wall of the cabinet body 1, and a lightning rod 3 is fixedly installed at the top of the cabinet body 1; a plurality of heat dissipation holes 4 are respectively formed in the left side wall and the right side wall of the cabinet body 1, the heat dissipation holes 4 are vertically and uniformly arranged at intervals, water receiving grooves 5 with openings at the upper ends are respectively and fixedly installed in the inner sides of the left side wall and the right side wall of the cabinet body 1, the height of each water receiving groove 5 is lower than that of the bottommost heat dissipation hole 4, and a blocking and shielding assembly located above the corresponding water receiving groove 5 is further arranged in the cabinet body 1; the shielding assembly comprises a first winding roller 6 rotatably mounted in the cabinet body 1, the first winding roller 6 extends forwards and backwards, the height of the first winding roller 6 is higher than that of the heat dissipation hole 4 at the top, a second winding roller 7 positioned below the first winding roller 6 is rotatably mounted in the water receiving tank 5, the second winding roller 7 is parallel to the first winding roller 6, a shielding curtain 8 is wound on the first winding roller 6, one end, far away from the first winding roller 6, of the shielding curtain 8 is connected with a pull rope 9, and one end, far away from the shielding curtain 8, of the pull rope 9 is wound on the second winding roller 7; the cabinet body 1 is internally provided with a driving mechanism for driving the first winding roller 6 and the second winding roller 7 to rotate.
The driving mechanism comprises a driving motor 10 fixedly installed on the outer side of the water receiving tank 5, the output end of the driving motor 10 is fixedly connected with one end of a second winding roller 7, one end, far away from the driving motor 10, of the second winding roller 7 extends to the outer side of the water receiving tank 5 and is fixedly provided with a first chain wheel 11, a second chain wheel 12 located above the first chain wheel 11 is fixedly installed on the first winding roller 6, and a chain 13 is connected between the first chain wheel 11 and the second chain wheel 12; the winding direction of the curtain 8 on the first winding roller 6 is opposite to the winding direction of the pull rope 9 on the second winding roller 7.
The bottom is connected with a drain pipe 14 extending to the outer side of the cabinet 1.
The lightning rod 3 is used for preventing the cabinet body 1 from being struck by lightning and causing internal electrical components to be damaged. In sunny days, the shielding curtain 8 is wound on the first winding roller 6, the lower end of the shielding curtain 8 is located above the heat dissipation holes 4 at the top, as shown in fig. 2, the heat dissipation holes 4 are not covered by the shielding curtain 8 at the moment, and therefore ventilation and heat dissipation in the cabinet body 1 are facilitated. Or in thunderstorm weather, drive second wind-up roll 7 through driving motor 10 and rotate, second wind-up roll 7 drives second sprocket 12 and first wind-up roll 6 syntropy through first sprocket 11 and chain 13 and rotates, release shielding curtain 8 when first wind-up roll 6 rotates, and rotate rolling stay cord 9 through second wind-up roll 7, the lower extreme through stay cord 9 pulling shielding curtain 8 moves down, as shown in fig. 3, move to the below of the louvre 4 of bottommost until stay cord 9 pulling shielding curtain 8's lower extreme, thereby cover a plurality of louvres 4 through shielding curtain 8, avoid the rainwater to splash into the internal electrical components of cabinet 1 through louvre 4 and wet. Then the rainwater splashed into the cabinet body 1 through the heat dissipation holes 4 flows downwards to the water receiving tank 5 along the shielding curtain 8, and finally is discharged to the outside of the cabinet body 1 from the drainage pipe 14.
And a filter screen 15 is fixedly arranged in the heat dissipation hole 4. The filter screen 15 is used to prevent external dust from entering the cabinet 1.
The top fixed mounting of the cabinet body 1 has a canopy 16, be equipped with the confession on the canopy 16 the via hole that lightning rod 3 passed, the via hole with be equipped with rubber ring 17 between the lightning rod 3. The rain shelter is used for preventing the cabinet body 1 from directly contacting with rainwater and slowing down the corrosion of the cabinet body 1.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a lightning protection low-voltage distribution cabinet which characterized in that: the lightning protection cabinet comprises a cabinet body, wherein a cabinet door is arranged on the front side wall of the cabinet body, and a lightning rod is fixedly installed at the top of the cabinet body; the cabinet is characterized in that a plurality of heat dissipation holes are respectively formed in the left side wall and the right side wall of the cabinet body, the heat dissipation holes are vertically and uniformly arranged at intervals, water receiving grooves with openings at the upper ends are respectively fixedly arranged on the inner sides of the left side wall and the right side wall of the cabinet body, the height of each water receiving groove is lower than that of the heat dissipation hole at the bottommost part, and a blocking and shielding assembly positioned above the water receiving grooves is further arranged in the cabinet body; the shielding assembly comprises a first winding roller rotatably mounted in the cabinet body, the first winding roller extends forwards and backwards, the height of the first winding roller is higher than that of the heat dissipation hole at the top, a second winding roller positioned below the first winding roller is rotatably mounted in the water receiving tank and parallel to the first winding roller, a shielding curtain is wound on the first winding roller, one end, far away from the first winding roller, of the shielding curtain is connected with a pull rope, and one end, far away from the shielding curtain, of the pull rope is wound on the second winding roller; the cabinet is internally provided with a driving mechanism for driving the first winding roller and the second winding roller to rotate.
2. The lightning protection low-voltage power distribution cabinet according to claim 1, characterized in that: the driving mechanism comprises a driving motor fixedly installed on the outer side of the water receiving tank, the output end of the driving motor is fixedly connected with one end of the second winding roller, one end, far away from the driving motor, of the second winding roller extends to the outer side of the water receiving tank and is fixedly provided with a first chain wheel, a second chain wheel located above the first chain wheel is fixedly installed on the first winding roller, and a chain is connected between the first chain wheel and the second chain wheel; the winding direction of the shielding curtain on the first winding roller is opposite to the winding direction of the pull rope on the second winding roller.
3. The lightning protection low-voltage power distribution cabinet according to claim 1, characterized in that: the bottom of the water receiving tank is connected with a drain pipe extending to the outer side of the cabinet body.
4. The lightning protection low-voltage power distribution cabinet according to claim 1, characterized in that: and a filter screen is fixedly arranged in the radiating hole.
5. The lightning protection low-voltage power distribution cabinet according to claim 1, characterized in that: the top fixed mounting of the cabinet body has the canopy, be equipped with the confession on the canopy the via hole that the lightning rod passed, the via hole with be equipped with the rubber ring between the lightning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121240344.1U CN214957969U (en) | 2021-06-03 | 2021-06-03 | Lightning protection low-voltage distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121240344.1U CN214957969U (en) | 2021-06-03 | 2021-06-03 | Lightning protection low-voltage distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214957969U true CN214957969U (en) | 2021-11-30 |
Family
ID=79054754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121240344.1U Active CN214957969U (en) | 2021-06-03 | 2021-06-03 | Lightning protection low-voltage distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214957969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114566933A (en) * | 2022-02-28 | 2022-05-31 | 安徽明远电力设备制造有限公司 | High-voltage cable branch box |
-
2021
- 2021-06-03 CN CN202121240344.1U patent/CN214957969U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114566933A (en) * | 2022-02-28 | 2022-05-31 | 安徽明远电力设备制造有限公司 | High-voltage cable branch box |
| CN114566933B (en) * | 2022-02-28 | 2023-10-20 | 安徽明远电力设备制造有限公司 | High-voltage cable branch box |
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