CN110350427B - Power distribution cabinet - Google Patents
Power distribution cabinet Download PDFInfo
- Publication number
- CN110350427B CN110350427B CN201910763960.6A CN201910763960A CN110350427B CN 110350427 B CN110350427 B CN 110350427B CN 201910763960 A CN201910763960 A CN 201910763960A CN 110350427 B CN110350427 B CN 110350427B
- Authority
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- China
- Prior art keywords
- heat dissipation
- cavity
- power distribution
- installation
- negative pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 61
- 239000000428 dust Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 239000000741 silica gel Substances 0.000 claims description 17
- 229910002027 silica gel Inorganic materials 0.000 claims description 17
- 239000004831 Hot glue Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000003434 inspiratory effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Distribution Board (AREA)
Abstract
The invention discloses a power distribution cabinet which comprises a base, wherein an installation cavity is formed in the base, more than one installation box is installed on the bottom surface of the installation cavity, a power distribution cavity is formed in each installation box, an installation bar is arranged on the bottom surface of each power distribution cavity, a power distribution module is installed on each installation bar, an end cover is installed on each top of each power distribution cavity, a heat dissipation rod extending upwards is arranged on each top of each end cover, the opening end of the installation cavity of the whole base is sealed through a sealing cover, the heat dissipation rod penetrates through a through hole in each sealing cover and extends out of the top of each sealing cover, a negative pressure cavity is formed in the bottom surface of the base, a negative pressure fan is installed in the center of the bottom of each negative pressure cavity. The power distribution cabinet disclosed by the invention is particularly suitable for being used in an underground room with more dust and higher humidity, can effectively remove the dust and improve the heat dissipation performance, and can also remove moisture in the air, so that the use safety of the power distribution cabinet is greatly improved.
Description
Technical Field
The invention relates to the field of power distribution, in particular to a power distribution cabinet.
Background
Power distribution cabinets are commonly used power distribution equipment installed in various locations, such as on the ground, in underground rooms, etc. And in order to prevent carrying the dust in the outside air, often can set up a dust screen on the switch board, utilize the dust screen to filter the dust in the air, but nevertheless set up the dust screen, still have more dust to get into, influence the life of switch board.
Furthermore, the cooling system of present switch board is general, and a fan radiating mode is more common, but this kind of heat dissipation degree can only be used in general occasion, and in case external temperature is too high or last high load operating condition, the heat that its produced is huge, and ordinary heat radiation structure is difficult to satisfy the requirement this moment.
In addition, because the air conditioner is installed in an underground room or other occasions with high humidity, the interior of the power distribution cabinet is easily affected with damp due to overhigh humidity of the sucked air.
Disclosure of Invention
The technical problem to be solved by the invention is that the power distribution cabinet has very good dehumidification, dust removal and heat dissipation capabilities, and is particularly suitable for being applied to complex environments.
The invention is realized by the following technical scheme: the utility model provides a power distribution cabinet, the on-line screen storage device comprises a base, an installation cavity has in the base, install more than one mounting box on the bottom surface of mounting cavity, all be provided with a distribution chamber in the mounting box, the bottom surface in distribution chamber is provided with the mounting bar, the distribution module is installed on the mounting bar, an end cover is all installed at the top in distribution chamber, the top of end cover all sets up a radiator-bar that upwards extends, the installation cavity open end of whole base is sealed through a sealed lid, the radiator-bar passes the through-hole of sealed covering and stretches out in the top of sealed lid, the bottom surface of base is provided with a negative pressure chamber, the bottom center department in negative pressure chamber installs a negative pressure fan, negative pressure chamber communicates with.
As the preferred technical scheme, the inside heat dissipation channel that has both ends equal opening that has of heat dissipation rod, a dustproof filter screen of heat dissipation channel's top fixed mounting, outside air enters into the heat dissipation channel through dustproof filter screen in, the bottom of heat dissipation rod passes the end cover and the part stretches into in the distribution chamber.
As an optimized technical scheme, a first filling cavity is formed in the inner wall of the heat dissipation channel in a circle around the heat dissipation channel, a viscous heat conduction silica gel layer is filled in the first filling cavity, and dust in the entering air is bonded by the viscous heat conduction silica gel layer.
As an optimized technical scheme, a second filling cavity is formed in the inner wall of the heat dissipation channel positioned at the bottom of the first filling cavity, and solid hot melt adhesive is filled in the second filling cavity.
As a preferable technical scheme, the bottom opening end of the heat dissipation rod is a conical opening, the bottom outlet of the heat dissipation rod faces the bottom center of the power distribution cavity, one or two air guide holes are arranged at the bottom center of the power distribution cavity, and the air guide holes connect and conduct the power distribution cavity and the negative pressure cavity.
As an optimized technical scheme, the heat dissipation rods are metal rods, the inner walls of the through holes are provided with sealing rings, and the heat dissipation rods penetrate through the sealing rings and are sealed through the sealing rings.
According to the preferable technical scheme, the end cover and the power distribution cavity are assembled in a sealing mode through threads, and the sealing cover and the mounting cavity are assembled in a connecting mode through threads.
As the preferred technical scheme, all welded between the adjacent mounting boxes has the row's spool, is connected through the distribution module in row's spool and the adjacent mounting box between the distribution module in each distribution chamber.
As an optimized technical scheme, the viscous heat-conducting silica gel layer is arranged at the top-down half position of the heat-radiating channel, the solid hot melt adhesive is arranged at the bottom close to the heat-radiating channel, and a section of the heat-radiating channel, which is positioned at the bottom of the viscous heat-conducting silica gel layer, is provided with a drying section.
The invention has the beneficial effects that: according to the invention, the longer heat dissipation rod is utilized, and the structure of the heat dissipation rod is utilized to improve the overall heat dissipation performance of the power distribution cabinet. Utilize the inside viscidity heat conduction silica gel layer of heat dissipation rod simultaneously, absorb the inside dust of entering air, because the length that the air passes through is longer, so the dust in the absorption air that can be better for the dust volume that the air that enters into inside carried is less.
In addition, because the length of radiator bar is long, the bottom region that is located viscidity heat conduction silica gel layer forms a stoving section, if outside air humidity is high, can utilize radiator bar's heat absorption capacity when this region, carries out a preliminary drying to inspiratory air, reduces air humidity.
Utilize negative-pressure air fan cooperation heat dissipation pole, dual radiating mode promotes the heat dispersion of switch board greatly, promotes whole stability in use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the present invention with the end cap removed and the sealing cap removed;
FIG. 3 is a top view of the present invention with the end cap installed;
FIG. 4 is a partial schematic view of a heat sink bar of the present invention;
FIG. 5 is a bottom view of the heat-dissipating stud of the present invention.
Detailed Description
As shown in fig. 1-3, a power distribution cabinet, including a base 3, a mounting cavity 5 has in the base 3, install more than one mounting box 4 on the bottom surface of mounting cavity 5, all be provided with a distribution chamber 6 in the mounting box 4, the bottom surface of distribution chamber 6 is provided with mounting bar 7, the distribution module is installed on mounting bar 7, an end cover 12 is all installed at the top of distribution chamber 6, the top of end cover 12 all sets up a radiator-bar 11 that upwards extends, the mounting cavity 5 open end in the whole base 3 is sealed through a sealed lid 13, radiator-bar 11 passes the through-hole of sealed lid 13 and stretches out in the top of sealed lid, the bottom surface of base is provided with a negative pressure chamber 15, a negative pressure fan 16 is installed to the bottom center department of negative pressure chamber 15, negative pressure chamber 15 communicates with each distribution chamber 6.
Wherein, the inside heat dissipation channel 23 that has the equal open-ended in both ends of heat dissipation rod 11, a dustproof filter screen 8 of top fixed mounting of heat dissipation channel 23, outside air enters into heat dissipation channel 23 through dustproof filter screen 8 in, end cover 12 is passed and the part stretches into in distribution chamber 6 to the bottom of heat dissipation rod 11, and outside air carries out first filter procedure through dustproof filter screen 6 earlier, gets rid of most dust in the air.
As shown in fig. 4, a first filling cavity is formed in the inner wall of the heat dissipation channel 23 around the heat dissipation channel in a circle, the first filling cavity is filled with a viscous heat-conducting silica gel layer 22, and the viscous heat-conducting silica gel layer is used for bonding dust in the air entering the heat dissipation channel.
As shown in fig. 4, a second filling cavity is formed in the inner wall of the heat dissipation channel at the bottom of the first filling cavity, and the second filling cavity is filled with solid hot melt adhesive 21. The solid hot melt adhesive 21 is a solid meltable polymer which does not need a solvent and contains 100 percent of moisture; the hot melt adhesive is solid at normal temperature, can flow after being heated and melted to a certain temperature, and has certain viscosity, and when the temperature rises sharply due to fire in a power distribution cavity or outside, the solid hot melt adhesive can be melted to form liquid adhesive.
As shown in fig. 5, the bottom opening end of the heat dissipation rod 11 is a tapered opening 24, the bottom outlet of the tapered opening is opposite to the bottom center of the power distribution cavity, one or two air vents 2 are arranged at the bottom center of the power distribution cavity 6, the air vents 2 connect and conduct the power distribution cavity 6 and the negative pressure cavity 15, because the bottom of the heat dissipation channel 23 is the tapered opening 24, the melted liquid glue can be dropped to the air guide hole facing to the bottom by using the structure of the tapered opening 24, the air guide hole is sealed by using the glue, thus, the air guide hole is sealed, the negative pressure cavity is sealed at the moment, the air port at the bottom is blocked, in addition, the hot melt adhesive can be accumulated in the conical port, because the negative pressure at the bottom is lost, the negative pressure is accumulated in the conical opening to seal the whole heat dissipation channel, and the inner space of the whole distribution cavity is sealed at the moment, so that air does not enter any more, the continuous combustion of flame cannot be supported, and the fire extinguishing device is particularly suitable for extinguishing fire under the conditions of internal spontaneous combustion and the like.
Wherein, the heat dissipation rod 11 is a metal rod, the inner wall of the through hole is provided with a sealing ring 14, and the heat dissipation rod 11 penetrates through the sealing ring and is sealed by the sealing ring 14. In this embodiment, through the sealed assembly of screw thread between end cover and the distribution chamber, through the threaded connection assembly between sealed lid and the installation cavity.
All welded between the adjacent mounting box 4 has the winding displacement pipe 1, is connected through the winding displacement pipe 1 between the distribution module in each distribution chamber and the distribution module in the adjacent mounting box 4, arranges the setting as required between each distribution module, sets up in the distribution chamber back that corresponds, and accessible winding displacement pipe interconnects and switches on, after the winding displacement installation is accomplished, can beat glue to its exit, prevents to ventilate.
Wherein, viscidity heat conduction silica gel layer 22 sets up in heat dissipation channel top-down half department, and solid hot melt adhesive 21 sets up in the bottom that is close to heat dissipation channel, and heat dissipation channel is located the bottom one section on viscidity heat conduction silica gel layer and is formed with a stoving section. When outside air entered like this, earlier through viscidity heat conduction silica gel layer, the dust in the de-aeration, then reentrant drying section utilizes the cooling tube that generates heat, reaches the purpose of drying air tentatively, reduces humidity.
The invention has the beneficial effects that: according to the invention, the longer heat dissipation rod is utilized, and the structure of the heat dissipation rod is utilized to improve the overall heat dissipation performance of the power distribution cabinet. Utilize the inside viscidity heat conduction silica gel layer of heat dissipation rod simultaneously, absorb the inside dust of entering air, because the length that the air passes through is longer, so the dust in the absorption air that can be better for the dust volume that the air that enters into inside carried is less.
In addition, because the length of radiator bar is long, the bottom region that is located viscidity heat conduction silica gel layer forms a stoving section, if outside air humidity is high, can utilize radiator bar's heat absorption capacity when this region, carries out a preliminary drying to inspiratory air, reduces air humidity.
Utilize negative-pressure air fan cooperation heat dissipation pole, dual radiating mode promotes the heat dispersion of switch board greatly, promotes whole stability in use.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. The utility model provides a switch board which characterized in that: the base is internally provided with an installation cavity, more than one installation box is installed on the bottom surface of the installation cavity, a power distribution cavity is arranged in each installation box, the bottom surface of each power distribution cavity is provided with an installation bar, a power distribution module is installed on each installation bar, an end cover is installed at the top of each power distribution cavity, a heat dissipation rod extending upwards is arranged at the top of each end cover, the opening end of the installation cavity of the whole base is sealed through a sealing cover, the heat dissipation rod penetrates through a through hole in the sealing cover and extends out of the top of the sealing cover, the bottom surface of the base is provided with a negative pressure cavity, a negative pressure fan is installed at the center of the bottom of the negative pressure cavity, and the negative pressure;
the heat dissipation rod is internally provided with a heat dissipation channel with two open ends, the top of the heat dissipation channel is fixedly provided with a dustproof filter screen, external air enters the heat dissipation channel through the dustproof filter screen, and the bottom of the heat dissipation rod penetrates through the end cover and partially extends into the power distribution cavity;
the inner wall of the heat dissipation channel is provided with a first filling cavity surrounding the heat dissipation channel in a circle, the first filling cavity is filled with a viscous heat-conducting silica gel layer, and the viscous heat-conducting silica gel layer is used for bonding dust in the entering air.
2. A switch board according to claim 1, characterized in that: and a second filling cavity is formed in the inner wall of the heat dissipation channel positioned at the bottom of the first filling cavity, and solid hot melt adhesive is filled in the second filling cavity.
3. A switch board according to claim 1, characterized in that: the bottom opening end of the heat dissipation rod is a conical opening, the bottom outlet of the heat dissipation rod faces the bottom center of the power distribution cavity, one or two air guide holes are formed in the bottom center of the power distribution cavity, and the power distribution cavity and the negative pressure cavity are connected and conducted through the air guide holes.
4. A switch board according to claim 1, characterized in that: the heat dissipation rod is a metal rod, the inner wall of the through hole is provided with a sealing ring, and the heat dissipation rod penetrates through the sealing ring and is sealed through the sealing ring.
5. A switch board according to claim 1, characterized in that: the end cover and the power distribution cavity are assembled in a sealing mode through threads, and the sealing cover and the mounting cavity are assembled in a connecting mode through threads.
6. A switch board according to claim 1, characterized in that: all welding has the winding displacement pipe between the adjacent mounting box, is connected through the winding displacement pipe between the distribution module in each distribution chamber and the distribution module in the adjacent mounting box.
7. A switch board according to claim 1, characterized in that: the viscous heat-conducting silica gel layer is arranged at the top-down half position of the heat dissipation channel, the solid hot melt adhesive is arranged at the bottom close to the heat dissipation channel, and a section of the heat dissipation channel, which is positioned at the bottom of the viscous heat-conducting silica gel layer, is provided with a drying section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910763960.6A CN110350427B (en) | 2019-08-19 | 2019-08-19 | Power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910763960.6A CN110350427B (en) | 2019-08-19 | 2019-08-19 | Power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110350427A CN110350427A (en) | 2019-10-18 |
| CN110350427B true CN110350427B (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910763960.6A Active CN110350427B (en) | 2019-08-19 | 2019-08-19 | Power distribution cabinet |
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| CN (1) | CN110350427B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525404A (en) * | 2020-05-08 | 2020-08-11 | 廖计英 | Heat dissipation type high-low voltage electric power cabinet |
| CN112821223B (en) * | 2021-03-01 | 2022-03-29 | 苏州顶地电气成套有限公司 | High-voltage power distribution cabinet |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110350427A (en) | 2019-10-18 |
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Effective date of registration: 20210510 Address after: 223700 No.105, Beijing East Road, Siyang Economic Development Zone, Suqian City, Jiangsu Province Applicant after: Jiangsu Haoshi Technology Co., Ltd Address before: 322105 no.1-179, Zhengan village, Geshan Town, Dongyang City, Jinhua City, Zhejiang Province Applicant before: Yu Zhengyao |
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