CN111181047B - Power distribution cabinet - Google Patents
Power distribution cabinet Download PDFInfo
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- CN111181047B CN111181047B CN202010182541.6A CN202010182541A CN111181047B CN 111181047 B CN111181047 B CN 111181047B CN 202010182541 A CN202010182541 A CN 202010182541A CN 111181047 B CN111181047 B CN 111181047B
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- power distribution
- distribution cabinet
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
- B25H3/02—Boxes
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the field of power equipment, in particular to a power distribution cabinet. The invention aims to provide a power distribution cabinet. A power distribution cabinet comprises a power distribution cabinet shell, a double-circulation heat dissipation mechanism, an exhaust net, a door lock, a bearing seat, a limiting plate and power equipment; the inner top, the inner bottom, the inner left side and the inner upper right side of the shell of the power distribution cabinet are connected with a double-circulation heat dissipation mechanism; an exhaust net is arranged below the left middle part of the shell of the power distribution cabinet; and a door lock is arranged at the front middle lower part of the power distribution cabinet shell. The invention realizes the reverse circulation efficient heat dissipation, meanwhile, the turnover top of the shell of the power distribution cabinet can shade the sun of maintenance personnel, and the bottom can be used as a maintenance tool placing table, thereby realizing the humanized design, providing more humanized service, protecting the problem that the maintenance personnel are exposed to the sun for a long time and heatstroke, and being more convenient and faster to maintain; meanwhile, the closing and sealing effect is good, and dust cannot enter.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a power distribution cabinet.
Background
The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load;
in the life of people, a power distribution cabinet is one of indispensable electrical equipment, but because internal equipment components can generate a large amount of heat when working and operating for a long time, the internal temperature of the power distribution cabinet can be continuously increased due to the long-time heat accumulation inside the power distribution cabinet, so that the operation of the internal equipment components of the power distribution cabinet can be influenced, and a circuit short circuit is caused to cause a fire; meanwhile, some of the existing power distribution cabinets need to be placed outdoors due to different environments when the existing power distribution cabinets are used, and a large amount of sunlight is irradiated due to the outdoor placement of the power distribution cabinets when fault maintenance is performed, so that hidden danger is brought to long-time work of maintenance personnel; meanwhile, various tools are needed during maintenance, and maintenance personnel often need to pack a backpack or place the backpack on the ground to repeatedly bend over to take and place the tools.
In summary, there is a need to develop a power distribution cabinet to overcome the above problems.
Disclosure of Invention
The invention aims to overcome the defects that the internal equipment components of the power distribution cabinet can generate a large amount of heat when working and running for a long time, and the internal temperature of the power distribution cabinet can be continuously increased due to the long-time heat accumulation in the power distribution cabinet, so that the running of the internal equipment components of the power distribution cabinet can be influenced, and a circuit short circuit is caused to cause a fire; meanwhile, some of the existing power distribution cabinets need to be placed outdoors due to different environments when the existing power distribution cabinets are used, and a large amount of sunlight is irradiated due to the outdoor placement of the power distribution cabinets when fault maintenance is performed, so that hidden danger is brought to long-time work of maintenance personnel; meanwhile, various tools are needed during maintenance, and maintenance personnel often need to pack a backpack or place the backpack on the ground to repeatedly bend down to pick and place the tools for replacement.
The invention is achieved by the following specific technical means:
a power distribution cabinet comprises a power distribution cabinet shell, a double-circulation heat dissipation mechanism, an exhaust net, a door lock, a bearing seat, a limiting plate and power equipment; the inner top, the inner bottom, the inner left side and the inner upper right side of the shell of the power distribution cabinet are connected with a double-circulation heat dissipation mechanism; an exhaust net is arranged below the left middle part of the shell of the power distribution cabinet; a door lock is arranged at the front middle lower part of the power distribution cabinet shell; a bearing seat is arranged at the upper left part in the shell of the power distribution cabinet; the upper part of the middle part, the lower part of the inner middle part, the left side of the inner middle part and the upper part of the inner right part in the shell of the power distribution cabinet are connected with the limiting plates; the power equipment is arranged on the rear side in the shell of the power distribution cabinet;
the power distribution cabinet shell comprises a rear shell, an upper front cover, a lower front cover, an angular velocity sensor and a transmission rod; the front part of the upper left side and the front part of the upper right side of the rear shell are connected with the upper front cover in an overturning way; the front part at the left lower part and the front part at the right lower part of the rear shell are connected with the lower front cover in a turnover way; an angular speed sensor is arranged at the lower left of the front part in the upper front cover; the rear upper part of the left end of the upper front cover is rotationally connected with the transmission rod, and the right bottom of the transmission rod is connected with the lower front cover; the inner top, the inner bottom, the inner left side and the inner upper right side of the rear shell are connected with a double-circulation heat dissipation mechanism; the lower part of the left middle part of the rear shell is connected with an exhaust net; the upper left part in the rear shell is connected with a bearing seat; the upper part of the middle part, the lower part of the inner middle part, the left side of the inner middle part and the upper part of the inner right part in the rear shell are connected with the limiting plates; the middle rear side in the rear shell is connected with the power equipment; the middle part of the inner bottom of the upper front cover is connected with a door lock;
the double-circulation heat dissipation mechanism comprises a motor, a first driving wheel, a second driving wheel, a first fixing plate, a first gear, a second gear, a third gear, a fourth gear, a first inner gear ring, a fifth gear, a first fan blade, a second inner gear ring, a rotating rod, a first bevel gear, a second bevel gear, a first heat dissipation fan blade, a sixth gear, a seventh gear, a third driving wheel, a fourth driving wheel, a second fixing plate, an eighth gear, a ninth gear, a tenth gear, an eleventh gear, a third inner gear ring, a twelfth gear, a second fan blade, a fourth inner gear ring, a fifth driving wheel, a third bevel gear, a fourth bevel gear and a second heat dissipation fan blade; the top of the motor is rotationally connected with the first driving wheel; the right side of the first driving wheel is in transmission connection with a second driving wheel; the upper axle center of the first driving wheel is rotationally connected with the rotating rod; the upper axle center of the second driving wheel is inserted with the first fixing plate; the upper axle center of the second transmission wheel is rotationally connected with the first gear, and the first gear is positioned above the first fixing plate; the front right side of the top of the first fixing plate is rotationally connected with the second gear, and the rear left side of the second gear is connected with the first gear; the left middle part of the top of the first fixing plate is rotationally connected with a third gear, and the right side of the third gear is connected with the first gear; the right rear side of the top of the first fixing plate is rotatably connected with a fourth gear, and the front left side of the fourth gear is connected with the first gear; the front part of the second gear is meshed with the first inner gear ring, the left middle part in the first inner gear ring is connected with the third gear, and the right rear side in the first inner gear ring is connected with the fourth gear; the left middle part of the top end of the first inner gear ring is rotationally connected with the fifth gear; the middle part of the top end of the fifth gear is rotationally connected with the first fan blade; the left side of the fifth gear is meshed with the second inner gear ring; the middle lower part of the outer surface of the rotating rod is rotationally connected with the first bevel gear; the middle upper part of the outer surface of the rotating rod is rotationally connected with the sixth gear; the left side of the first bevel gear is meshed with the second bevel gear; the left axis of the second bevel gear is rotationally connected with the first radiating fan blade; the right side of the sixth gear is meshed with the seventh gear; the top axle center of the seventh gear is rotationally connected with the third transmission wheel; the right side of the third driving wheel is in transmission connection with the fourth driving wheel; the bottom axis of the fourth transmission wheel is inserted into the second fixing plate; the bottom axis of the fourth transmission wheel is in transmission connection with an eighth gear, and the eighth gear is positioned below the second fixing plate; the right side of the fourth driving wheel is in transmission connection with the fifth driving wheel; the bottom axis of the fifth transmission wheel is rotationally connected with the third bevel gear through a rotating shaft; the left side of the bottom of the second fixing plate is in transmission connection with a ninth gear, and the right side of the ninth gear is connected with an eighth gear; the front right side of the bottom of the second fixing plate is rotationally connected with a tenth gear, and the rear left side of the tenth gear is connected with an eighth gear; the right rear side of the bottom of the second fixing plate is rotatably connected with an eleventh gear, and the front left side of the eleventh gear is connected with an eighth gear; the left side of the ninth gear is meshed with the third inner gear ring, the front side and the right side in the third inner gear ring are connected with the tenth gear, and the right rear side in the third inner gear ring is connected with the eleventh gear; the front middle part of the bottom end of the third inner gear ring is rotationally connected with the twelfth gear; the bottom axis of the twelfth gear is rotationally connected with the second fan blade; the front part of the twelfth gear is meshed with the fourth inner gear ring; the right upper part of the third bevel gear is meshed with the fourth bevel gear; the right axis of the fourth bevel gear is rotationally connected with the second radiating fan blade; the bottom of the outer surface of the motor is connected with the rear shell; the top of the rotating rod is connected with the rear shell; the middle upper part of the outer surface of the rotating rod is connected with the bearing seat;
the lower front cover comprises a placing shell, a first notch, a second notch, a combined annular plate, a placing box, a placing groove, a silica gel strip and a combined lug; a first notch is formed in the middle of the top of the front end of the placing shell; a second notch is formed in the rear side of the middle of the inner top of the placing shell, and the second notch is communicated with the first notch; a combined annular plate is arranged at the inner ring at the top of the placing shell; a placing box is arranged at the front left side in the placing shell; a placing groove is arranged in the middle of the front part in the placing shell; the top of the front middle part of the shell is bonded with the silica gel strip; placing the bottom of the shell, wherein the inner right side and the inner left side are both provided with a combined lug; the left rear side bottom and the inner right rear side bottom in the placing shell are both connected with the rear shell; the top of the left rear side of the placing shell is connected with the transmission rod; the left end, the front end and the right side of the combined annular plate are connected with the upper front cover; the front part of the first notch is connected with the upper front cover; the interior of the second notch is connected with a door lock; the rear side of the combined lug is connected with the rear shell;
a supporting seat is arranged on the left side of the bottom end of the second inner gear ring, and the left and the right sides of the bottom end and the front and the right sides of the bottom end are respectively connected with the rear shell; a supporting seat is arranged on the left side of the top end of the fourth inner gear ring, and the left and the right sides of the top end and the front and the right sides of the bottom end of the fourth inner gear ring are respectively connected with the rear shell; a supporting seat is arranged on the left side of the bottom end of the first fixing plate, and the left and the right sides of the bottom end and the front and the right sides of the bottom end are respectively connected with the rear shell; a supporting seat is arranged on the left side of the top end of the second fixing plate, and the left and the rear sides of the top end and the front and the right sides of the bottom end of the second fixing plate are connected with the rear shell;
the fifth gear and the first wind collecting fan blade, the twelfth gear and the second wind collecting fan blade are respectively provided with three groups, the three groups of fifth gears and the first wind collecting fan blade are respectively arranged on the left side of the top end of the first inner gear ring, the right back side and the front right side of the top end, and the three groups of fifth gears are connected with the second inner gear ring; the three groups of twelfth gears and the second wind collecting fan blades are arranged on the left side of the bottom end of the third inner gear ring, the left rear side of the bottom end and the front right side of the bottom end respectively, and the three groups of twelfth gears are connected with the fourth inner gear ring.
Furthermore, two exhaust nets are arranged, wherein one exhaust net is arranged below the left middle part of the rear shell; the other is arranged above the right middle part of the rear shell.
Furthermore, a rectangular ring groove is formed in the middle of an outer ring at the front end of the rear shell.
Furthermore, the combined convex block is arranged on the left side of the rear end of the front plate of the shell relatively, and the right side and the bottom of the combined convex block are respectively provided with a three-millimeter distance.
Furthermore, the limiting plate is provided with an annular chute at the combination position of the first air collecting fan blade and the second air collecting fan blade, and an exhaust port is arranged at the left lower part and the right upper part of the limiting plate.
Compared with the prior art, the invention has the following beneficial effects:
1. the problem that the internal equipment components of the power distribution cabinet generate a large amount of heat during long-time working and running, and the internal temperature of the power distribution cabinet is continuously increased due to long-time heat accumulation in the power distribution cabinet, so that the running of the internal equipment components of the power distribution cabinet is influenced, and a circuit short circuit is caused to cause a fire disaster is solved; meanwhile, some of the existing power distribution cabinets need to be placed outdoors due to different environments when the existing power distribution cabinets are used, and a large amount of sunlight is irradiated due to the outdoor placement of the power distribution cabinets when fault maintenance is performed, so that hidden danger is brought to long-time work of maintenance personnel; meanwhile, various tools are needed during maintenance, and maintenance personnel often need to pack or place the backpack on the ground to repeatedly bend down to pick and place the tools for replacement;
2. the power distribution cabinet shell and the double-circulating heat dissipation mechanism are designed, when the power distribution cabinet shell is used, the double-circulating heat dissipation mechanism carries out up-and-down reverse circulating heat dissipation on power equipment, so that the internal temperature change gradient is smaller, more efficient heat dissipation is realized, meanwhile, when the power distribution cabinet shell is opened, the turnover top of the power distribution cabinet shell can shade the sun of maintenance personnel, and the bottom of the power distribution cabinet shell can be used as a maintenance tool placing table;
3. the device realizes reverse circulation efficient heat dissipation, meanwhile, the turnover top of the shell of the power distribution cabinet can shade the sun of maintenance personnel, and the bottom of the shell of the power distribution cabinet can be used as a maintenance tool placing table, so that the humanized design is realized, more humanized service is provided, the problem that the maintenance personnel are exposed to the sun for a long time and sunstroke is solved, and the maintenance is more convenient; meanwhile, the closing and sealing effect is good, and dust cannot enter.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a combined structure of a power distribution cabinet shell, a bearing seat, a limiting plate and power equipment of the invention;
FIG. 3 is a schematic structural view of a power distribution cabinet housing according to the present invention;
FIG. 4 is a schematic structural diagram of a dual-circulation heat dissipation mechanism according to the present invention;
FIG. 5 is a schematic view of the structure of the lower front cover of the present invention;
FIG. 6 is a rear view of the lower front cover of the present invention;
FIG. 7 is a left side view of the combination of the upper front cover, the lower front cover and the transmission rod of the present invention.
The labels in the figures are: 1-a power distribution cabinet housing, 2-a double circulating heat dissipation mechanism, 3-an exhaust network, 4-a door lock, 5-a bearing seat, 6-a limiting plate, 7-an electric device, 101-a rear housing, 102-an upper front cover, 103-a lower front cover, 104-an angular velocity sensor, 105-a transmission rod, 201-a motor, 202-a first transmission wheel, 203-a second transmission wheel, 204-a first fixing plate, 205-a first gear, 206-a second gear, 207-a third gear, 208-a fourth gear, 209-a first inner toothed ring, 2010-a fifth gear, 2011-a first fan blade, 2012-a second inner toothed ring, 2013-a rotating rod, 2014-a first bevel gear, 2015-a second bevel gear, 2016-a first heat dissipation fan blade, 2017-a sixth gear, 2018-seventh gear, 2019-third gear, 2020-fourth gear, 2021-second fixing plate, 2022-eighth gear, 2023-ninth gear, 2024-tenth gear, 2025-eleventh gear, 2026-third internal gear ring, 2027-twelfth gear, 2028-second fan blade, 2029-fourth internal gear ring, 2030-fifth gear, 2031-third bevel gear, 2032-fourth bevel gear, 2033-second fan blade, 10301-placing case, 10302-first notch, 10303-second notch, 10304-combined ring plate, 10305-placing box, 10306-placing groove, 10307-silica gel strip, 10308-combined projection.
Detailed Description
The invention is further described below with reference to the figures and examples.
Examples
A power distribution cabinet is shown in figures 1-7 and comprises a power distribution cabinet shell 1, a double circulation heat dissipation mechanism 2, an exhaust network 3, a door lock 4, a bearing seat 5, a limiting plate 6 and power equipment 7; the inner top, the inner bottom, the inner left side and the inner upper right side of the power distribution cabinet shell 1 are connected with the double circulation heat dissipation mechanism 2; an exhaust net 3 is arranged below the left middle part of the power distribution cabinet shell 1; a door lock 4 is arranged at the front middle lower part of the power distribution cabinet shell 1; a bearing seat 5 is arranged at the upper left part in the power distribution cabinet shell 1; the upper part of the middle part in the shell 1 of the power distribution cabinet, the lower part of the middle part in the shell, the left side of the middle part in the shell and the upper part of the right part in the shell are connected with a limit plate 6; the power distribution cabinet shell 1 is internally provided with power equipment 7 at the rear side.
The power distribution cabinet shell 1 comprises a rear shell 101, an upper front cover 102, a lower front cover 103, an angular velocity sensor 104 and a transmission rod 105; the upper left front part and the upper right front part of the rear shell 101 are connected with the upper front cover 102 in a turnover manner; the left lower front part and the right lower front part of the rear housing 101 are connected with the lower front cover 103 in a turnover manner; an angular velocity sensor 104 is provided in the upper front cover 102 at the lower left of the front; the rear upper part of the left end of the upper front cover 102 is rotatably connected with a transmission rod 105, and the right bottom of the transmission rod 105 is connected with the lower front cover 103; the inner top, the inner bottom, the inner left side and the inner upper right side of the rear shell 101 are connected with the double circulation heat dissipation mechanism 2; the lower part of the left middle part of the rear shell 101 is connected with an exhaust net 3; the upper left part in the rear shell 101 is connected with a bearing seat 5; the upper part of the middle part in the rear shell 101, the lower part of the middle part in the rear shell, the left side of the middle part in the rear shell and the upper part of the right part in the rear shell are connected with the limit plate 6; the middle rear side in the rear shell 101 is connected with the power equipment 7; the middle of the inner bottom of the upper front cover 102 is connected to the door lock 4.
The double circulation heat dissipation mechanism 2 includes a motor 201, a first driving wheel 202, a second driving wheel 203, a first fixing plate 204, a first gear 205, a second gear 206, a third gear 207, a fourth gear 208, a first inner gear ring 209, a fifth gear 2010, a first wind-collecting blade 2011, a second inner gear ring 2012, a rotating rod 2013, a first bevel gear 2014, a second bevel gear 2015, a first heat dissipation blade 2016, a sixth gear 2017, a seventh gear 2018, a third driving wheel 2019, a fourth driving wheel 2020, a second fixing plate 2021, an eighth gear 20142, a ninth gear 2023, a tenth gear 2024, an eleventh gear 2025, a third inner gear ring 2026, a twelfth gear 2027, a second wind-collecting blade 2028, a fourth inner gear ring 2029, a fifth driving wheel 2030, a third gear 2031, a fourth bevel gear 2032 and a second heat dissipation blade 3; the top of the motor 201 is rotatably connected with the first driving wheel 202; the right side of the first transmission wheel 202 is in transmission connection with a second transmission wheel 203; the upper axle center of the first driving wheel 202 is rotatably connected with the rotating rod 2013; the upper axle center of the second transmission wheel 203 is inserted with the first fixing plate 204; the upper axle center of the second transmission wheel 203 is rotationally connected with the first gear 205, and the first gear 205 is positioned above the first fixing plate 204; the front right side of the top of the first fixing plate 204 is rotatably connected with a second gear 206, and the rear left side of the second gear 206 is connected with a first gear 205; the top left middle part of the first fixing plate 204 is rotatably connected with a third gear 207, and the right side of the third gear 207 is connected with a first gear 205; the top right and rear sides of the first fixing plate 204 are rotatably connected with a fourth gear 208, and the front left side of the fourth gear 208 is connected with a first gear 205; the front part of the second gear 206 is meshed with the first inner gear ring 209, the left middle part in the first inner gear ring 209 is connected with the third gear 207, and the right rear side in the first inner gear ring 209 is connected with the fourth gear 208; the left middle part of the top end of the first inner gear ring 209 is rotationally connected with a fifth gear 2010; the middle part of the top end of the fifth gear 2010 is rotatably connected with a first wind collecting fan blade 2011; the left side of the fifth gear 2010 is meshed with the second internal gear ring 2012; the middle lower part of the outer surface of the rotating rod 2013 is in rotating connection with the first bevel gear 2014; the middle upper part of the outer surface of the rotating rod 2013 is rotationally connected with a sixth gear 2017; the left side of the first bevel gear 2014 is meshed with a second bevel gear 2015; the left axis of the second bevel gear 2015 is rotatably connected with the first radiating fan 2016; the right side of the sixth gear 2017 is meshed with a seventh gear 2018; the top axle center of the seventh gear 2018 is rotatably connected with a third driving wheel 2019; the right side of the third driving wheel 2019 is in driving connection with a fourth driving wheel 2020; the bottom axis of the fourth driving wheel 2020 is inserted into the second fixing plate 2021; the bottom axis of the fourth transmission wheel 2020 is in transmission connection with an eighth gear 2022, and the eighth gear 2022 is located below the second fixing plate 2021; the right side of the fourth transmission wheel 2020 is in transmission connection with a fifth transmission wheel 2030; the bottom axis of the fifth transmission wheel 2030 is rotationally connected with the third bevel gear 2031 through a rotating shaft; the left side of the bottom of the second fixed plate 2021 is in transmission connection with a ninth gear 2023, and the right side of the ninth gear 2023 is connected with an eighth gear 2022; the front right side of the bottom of the second fixed plate 2021 is rotatably connected with a tenth gear 2024, and the rear left side of the tenth gear 2024 is connected with an eighth gear 2022; the right rear side of the bottom of the second fixed plate 2021 is rotatably connected with an eleventh gear 2025, and the front left side of the eleventh gear 2025 is connected with an eighth gear 2022; the left side of the ninth gear 2023 is meshed with the third inner ring 2026, the front and right side of the third inner ring 2026 is connected with the tenth gear 2024, and the right and rear side of the third inner ring 2026 is connected with the eleventh gear 2025; the front middle part of the bottom end of the third inner gear ring 2026 is rotatably connected with a twelfth gear 2027; the bottom axis of the twelfth gear 2027 is rotatably connected to the second fan blade 2028; the front part of the twelfth gear 2027 is meshed with the fourth internal gear ring 2029; the upper right of the third bevel gear 2031 is meshed with a fourth bevel gear 2032; the right axis of the fourth bevel gear 2032 is rotationally connected with the second fan blades 2033; the bottom of the outer surface of the motor 201 is connected with the rear shell 101; the top of the rotating rod 2013 is connected with the rear shell 101; the middle upper part of the outer surface of the rotating rod 2013 is connected with a bearing seat 5.
The lower front cover 103 comprises a placing shell 10301, a first notch 10302, a second notch 10303, a combined ring plate 10304, a placing box 10305, a placing groove 10306, a silica gel strip 10307 and a combined bump 10308; a first notch 10302 is formed in the middle of the top of the front end of the placing shell 10301; a second notch 10303 is formed in the rear side of the middle of the inner top of the placing shell 10301, and the second notch 10303 is communicated with the first notch 10302; a combined ring plate 10304 is arranged at the inner ring at the top of the placing shell 10301; a placing box 10305 is arranged at the front left side in the placing shell 10301; a placing groove 10306 is arranged in the front middle part in the placing shell 10301; the front middle top part in the shell 10301 is bonded with the silica gel strip 10307; the inner bottom of the placing shell 10301 is provided with a combined bump 10308 at the inner right side and the inner left side; the bottom of the left rear side and the bottom of the right rear side in the placement housing 10301 are both connected with the rear housing 101; the top of the left rear side of the placement shell 10301 is connected with the transmission rod 105; the left end, the front end and the right side of the combined ring board 10304 are connected with the upper front cover 102; the front part of the first notch 10302 is connected with the upper front cover 102; the second notch 10303 is internally connected with the door lock 4; the rear side of the combining protrusion 10308 is connected to the rear case 101.
Wherein, the left side of the bottom end of the second inner gear ring 2012, the left and the rear side of the bottom end and the front and the right side of the bottom end are respectively provided with a supporting seat which is connected with the rear shell 101; a supporting seat is arranged on the left side of the top end, the left rear side of the top end and the front right side of the bottom end of the fourth inner gear ring 2029 and connected with the rear shell 101; a support seat is arranged on the left side of the bottom end of the first fixing plate 204, and the left and the rear sides of the bottom end and the front and right sides of the bottom end are respectively connected with the rear shell 101; the left side of the top end, the left rear side of the top end and the front right side of the bottom end of the second fixing plate 2021 are both provided with a supporting seat connected with the rear shell 101.
The fifth gear 2010 and the first wind collecting fan blade 2011, the twelfth gear 2027 and the second wind collecting fan blade 2028 are respectively provided with three groups, the three groups of the fifth gear 2010 and the first wind collecting fan blade 2011 are respectively arranged on the left side of the top end of the first inner toothed ring 209, on the rear right side and on the front right side of the top end, and the three groups of the fifth gear 2010 are connected with the second inner toothed ring 2012; the three groups of twelfth gears 2027 and the second wind-collecting blades 2028 are respectively disposed on the left side of the bottom end of the third inner gear ring 2026, on the left rear side of the bottom end and on the front right side of the bottom end, and the three groups of twelfth gears 2027 are both connected to the fourth inner gear ring 2029.
Wherein, two exhaust nets 3 are arranged, one is arranged below the left middle part of the rear shell 101; the other is disposed above the right middle portion of the rear case 101.
Wherein, the middle part of the outer ring at the front end of the rear shell 101 is provided with a rectangular ring groove.
The combined bump 10308 is oppositely arranged on the left side of the rear end of the front plate of the shell 10301, and the right side and the bottom of the combined bump are respectively provided with a three-millimeter distance.
Wherein, limiting plate 6 is provided with an annular spout with first collection fan blade 2011 and second collection fan blade 2028 combination department to limiting plate 6 left side below and upper right side all are provided with an exhaust port.
The working principle is as follows: when the power distribution cabinet is used, the power distribution cabinet is assembled according to the needs, the exhaust net 3, the door lock 4, the bearing seat 5 and the limiting plate 6 are respectively installed at the corresponding positions of the power distribution cabinet shell 1, the supporting feet and the sun shield are respectively assembled at the bottom and the top of the power distribution cabinet shell 1 under the condition that the opening and closing of the upper front cover 102 and the lower front cover 103 are not influenced, then the required power equipment 7 is assembled in the power distribution cabinet shell 1, and then the power supply is externally connected; when the double-circulation heat dissipation device is used, the double-circulation heat dissipation mechanism 2 is used for conducting up-and-down reverse circulation heat dissipation on the power equipment 7, so that the internal temperature change gradient is smaller, more efficient heat dissipation is achieved, meanwhile, when the power distribution cabinet shell 1 is opened, the top of the power distribution cabinet shell 1 is turned over to shade a maintenance worker, the bottom of the power distribution cabinet shell can be used as a maintenance tool placing table, humanized design is achieved, more humanized service is provided, the problem that the maintenance worker is exposed to the sun for a long time and is in sunstroke is solved, and meanwhile, the maintenance; meanwhile, the closing and sealing effect is good, and dust cannot enter.
The power distribution cabinet shell 1 comprises a rear shell 101, an upper front cover 102, a lower front cover 103, an angular velocity sensor 104 and a transmission rod 105; the upper left front part and the upper right front part of the rear shell 101 are connected with the upper front cover 102 in a turnover manner; the left lower front part and the right lower front part of the rear housing 101 are connected with the lower front cover 103 in a turnover manner; an angular velocity sensor 104 is provided in the upper front cover 102 at the lower left of the front; the rear upper part of the left end of the upper front cover 102 is rotatably connected with a transmission rod 105, and the right bottom of the transmission rod 105 is connected with the lower front cover 103; the inner top, the inner bottom, the inner left side and the inner upper right side of the rear shell 101 are connected with the double circulation heat dissipation mechanism 2; the lower part of the left middle part of the rear shell 101 is connected with an exhaust net 3; the upper left part in the rear shell 101 is connected with a bearing seat 5; the upper part of the middle part in the rear shell 101, the lower part of the middle part in the rear shell, the left side of the middle part in the rear shell and the upper part of the right part in the rear shell are connected with the limit plate 6; the middle rear side in the rear shell 101 is connected with the power equipment 7; the middle of the inner bottom of the upper front cover 102 is connected to the door lock 4.
When the shell 1 of the power distribution cabinet is opened, a hand hooks the upper front cover 102 on the front part of the rear shell 101, the upper front cover 102 is turned upwards, the angular velocity sensor 104 detects a rotation angle while turning over, signals are immediately transmitted to enable the double-circulation heat dissipation mechanism 2 to be powered off and not to run any more, then the upper front cover 102 drives the transmission rod 105 to link the lower front cover 103 to turn over when turning over, the maintenance door is conveniently opened, meanwhile, the auxiliary sun shading of the upper front cover 102 is realized, and the lower front cover 103 is matched with maintenance tools and maintenance parts; maintenance personnel can be protected more conveniently and the maintenance efficiency can be improved.
The double circulation heat dissipation mechanism 2 includes a motor 201, a first driving wheel 202, a second driving wheel 203, a first fixing plate 204, a first gear 205, a second gear 206, a third gear 207, a fourth gear 208, a first inner gear ring 209, a fifth gear 2010, a first wind-collecting blade 2011, a second inner gear ring 2012, a rotating rod 2013, a first bevel gear 2014, a second bevel gear 2015, a first heat dissipation blade 2016, a sixth gear 2017, a seventh gear 2018, a third driving wheel 2019, a fourth driving wheel 2020, a second fixing plate 2021, an eighth gear 20142, a ninth gear 2023, a tenth gear 2024, an eleventh gear 2025, a third inner gear ring 2026, a twelfth gear 2027, a second wind-collecting blade 2028, a fourth inner gear ring 2029, a fifth driving wheel 2030, a third gear 2031, a fourth bevel gear 2032 and a second heat dissipation blade 3; the top of the motor 201 is rotatably connected with the first driving wheel 202; the right side of the first transmission wheel 202 is in transmission connection with a second transmission wheel 203; the upper axle center of the first driving wheel 202 is rotatably connected with the rotating rod 2013; the upper axle center of the second transmission wheel 203 is inserted with the first fixing plate 204; the upper axle center of the second transmission wheel 203 is rotationally connected with the first gear 205, and the first gear 205 is positioned above the first fixing plate 204; the front right side of the top of the first fixing plate 204 is rotatably connected with a second gear 206, and the rear left side of the second gear 206 is connected with a first gear 205; the top left middle part of the first fixing plate 204 is rotatably connected with a third gear 207, and the right side of the third gear 207 is connected with a first gear 205; the top right and rear sides of the first fixing plate 204 are rotatably connected with a fourth gear 208, and the front left side of the fourth gear 208 is connected with a first gear 205; the front part of the second gear 206 is meshed with the first inner gear ring 209, the left middle part in the first inner gear ring 209 is connected with the third gear 207, and the right rear side in the first inner gear ring 209 is connected with the fourth gear 208; the left middle part of the top end of the first inner gear ring 209 is rotationally connected with a fifth gear 2010; the middle part of the top end of the fifth gear 2010 is rotatably connected with a first wind collecting fan blade 2011; the left side of the fifth gear 2010 is meshed with the second internal gear ring 2012; the middle lower part of the outer surface of the rotating rod 2013 is in rotating connection with the first bevel gear 2014; the middle upper part of the outer surface of the rotating rod 2013 is rotationally connected with a sixth gear 2017; the left side of the first bevel gear 2014 is meshed with a second bevel gear 2015; the left axis of the second bevel gear 2015 is rotatably connected with the first radiating fan 2016; the right side of the sixth gear 2017 is meshed with a seventh gear 2018; the top axle center of the seventh gear 2018 is rotatably connected with a third driving wheel 2019; the right side of the third driving wheel 2019 is in driving connection with a fourth driving wheel 2020; the bottom axis of the fourth driving wheel 2020 is inserted into the second fixing plate 2021; the bottom axis of the fourth transmission wheel 2020 is in transmission connection with an eighth gear 2022, and the eighth gear 2022 is located below the second fixing plate 2021; the right side of the fourth transmission wheel 2020 is in transmission connection with a fifth transmission wheel 2030; the bottom axis of the fifth transmission wheel 2030 is rotationally connected with the third bevel gear 2031 through a rotating shaft; the left side of the bottom of the second fixed plate 2021 is in transmission connection with a ninth gear 2023, and the right side of the ninth gear 2023 is connected with an eighth gear 2022; the front right side of the bottom of the second fixed plate 2021 is rotatably connected with a tenth gear 2024, and the rear left side of the tenth gear 2024 is connected with an eighth gear 2022; the right rear side of the bottom of the second fixed plate 2021 is rotatably connected with an eleventh gear 2025, and the front left side of the eleventh gear 2025 is connected with an eighth gear 2022; the left side of the ninth gear 2023 is meshed with the third inner ring 2026, the front and right side of the third inner ring 2026 is connected with the tenth gear 2024, and the right and rear side of the third inner ring 2026 is connected with the eleventh gear 2025; the front middle part of the bottom end of the third inner gear ring 2026 is rotatably connected with a twelfth gear 2027; the bottom axis of the twelfth gear 2027 is rotatably connected to the second fan blade 2028; the front part of the twelfth gear 2027 is meshed with the fourth internal gear ring 2029; the upper right of the third bevel gear 2031 is meshed with a fourth bevel gear 2032; the right axis of the fourth bevel gear 2032 is rotationally connected with the second fan blades 2033; the bottom of the outer surface of the motor 201 is connected with the rear shell 101; the top of the rotating rod 2013 is connected with the rear shell 101; the middle upper part of the outer surface of the rotating rod 2013 is connected with a bearing seat 5.
When heat dissipation is performed, a temperature sensor or a timer is arranged in the heat dissipation device, the motor 201 is started, the motor 201 rotates the first driving wheel 202 to drive the second driving wheel 203, the second driving wheel 203 drives the first gear 205 on the first fixing plate 204 to rotate, the first gear 205 is rotationally engaged with the second gear 206, the third gear 207 and the fourth gear 208 drive the first inner gear ring 209 to rotate, the first inner gear ring 209 rotates to drive the three groups of fifth gears 2010 and the first wind-collecting fan blades 2011 to rotate, the three groups of fifth gears 2010 are simultaneously engaged with the second inner gear ring 2012 to respectively drive the first wind-collecting fan blades 2011 to rotate, so that lower-side annular wind-collecting heat dissipation is realized, meanwhile, the rotating rod 2013 drives the sixth gear 2017 to be engaged with the seventh gear 2018, the seventh gear 2018 drives the third driving wheel 2019 to drive the fourth driving wheel 2020 drives the eighth gear 2022 at the bottom of the second fixing plate 2021 to rotate, and the eighth gear 2022 is rotationally engaged with the ninth gear 2023, the tenth gear 2024 and the eleventh gear 2025 are engaged with the third inner gear 2026 to rotate, the third inner gear 2026 rotates to drive the three sets of twelfth gears 2027 and the second wind-collecting fan blades 2028 to rotate respectively, and the three sets of twelfth gears 2027 rotate while being engaged with the fourth inner gear 2029 to drive the three sets of second wind-collecting fan blades 2028 to rotate, so that the upper side ring type wind-collecting and heat-dissipating is realized; the circulating wind directions of the upper-side annular wind collecting heat dissipation and the lower-side annular wind collecting heat dissipation are opposite, meanwhile, the rotating rod 2013 drives the first bevel gear 2014 to be meshed with the second bevel gear 2015 to drive the first heat dissipation fan blade 2016 to rotate, the fourth transmission wheel 2020 drives the fifth transmission wheel 2030 to rotate the third bevel gear 2031, the third bevel gear 2031 is meshed with the fourth bevel gear 2032 to drive the second heat dissipation fan blade 2033 to rotate, and the upper-side circulating wind and the lower-side circulating wind are discharged respectively; the high-efficiency heat dissipation is realized, the temperature gradient of heat dissipation is reduced, and a large amount of hot gas is not remained in the heat dissipation device.
The lower front cover 103 comprises a placing shell 10301, a first notch 10302, a second notch 10303, a combined ring plate 10304, a placing box 10305, a placing groove 10306, a silica gel strip 10307 and a combined bump 10308; a first notch 10302 is formed in the middle of the top of the front end of the placing shell 10301; a second notch 10303 is formed in the rear side of the middle of the inner top of the placing shell 10301, and the second notch 10303 is communicated with the first notch 10302; a combined ring plate 10304 is arranged at the inner ring at the top of the placing shell 10301; a placing box 10305 is arranged at the front left side in the placing shell 10301; a placing groove 10306 is arranged in the front middle part in the placing shell 10301; the front middle top part in the shell 10301 is bonded with the silica gel strip 10307; the inner bottom of the placing shell 10301 is provided with a combined bump 10308 at the inner right side and the inner left side; the bottom of the left rear side and the bottom of the right rear side in the placement housing 10301 are both connected with the rear housing 101; the top of the left rear side of the placement shell 10301 is connected with the transmission rod 105; the left end, the front end and the right side of the combined ring board 10304 are connected with the upper front cover 102; the front part of the first notch 10302 is connected with the upper front cover 102; the second notch 10303 is internally connected with the door lock 4; the rear side of the combining protrusion 10308 is connected to the rear case 101.
The upper front cover 102 is opened, the placing shell 10301 is turned clockwise by ninety degrees after being linked and turned, so that the placing box 10305 and the placing groove 10306 are in a horizontal state, then maintenance personnel can place parts and tools which need to be replaced in maintenance in the placing box 10305 and the placing groove 10306 respectively, the number of the placing grooves 10306 is three, a silica gel strip 10307 is arranged at the front bottom of each placing groove 10306, the tools can be prevented from sliding during placing, meanwhile, the placing box 10305 is provided with a fixed turning cover, parts which are vulnerable to electrical equipment can be prepared frequently, regular maintenance in the later period is facilitated, meanwhile, after the placing shell 10301 is closed, the placing shell 10301 turns anticlockwise by ninety degrees, the combining convex block 10308 is driven to be connected with the rear shell 101, meanwhile, the first notch 10302 is combined with the upper front cover 103102 in a matching manner with the combining ring plate 04, and the second notch 10303 can be locked in a matching manner with the door lock 4; realized the linkage upset and placed the platform as the instrument and maintain the platform of placing of spare part, the leakproofness is good simultaneously, can not make back casing 101 advance dirt, has further protected the safety of the inside power equipment 7 of back casing 101.
Wherein, the left side of the bottom end of the second inner gear ring 2012, the left and the rear side of the bottom end and the front and the right side of the bottom end are respectively provided with a supporting seat which is connected with the rear shell 101; a supporting seat is arranged on the left side of the top end, the left rear side of the top end and the front right side of the bottom end of the fourth inner gear ring 2029 and connected with the rear shell 101; a support seat is arranged on the left side of the bottom end of the first fixing plate 204, and the left and the rear sides of the bottom end and the front and right sides of the bottom end are respectively connected with the rear shell 101; a supporting seat is arranged on the left side of the top end, the left rear side of the top end and the front right side of the bottom end of the second fixing plate 2021 and connected with the rear shell 101; can be fixedly mounted in cooperation with the rear case 101, respectively.
The fifth gear 2010 and the first wind collecting fan blade 2011, the twelfth gear 2027 and the second wind collecting fan blade 2028 are respectively provided with three groups, the three groups of the fifth gear 2010 and the first wind collecting fan blade 2011 are respectively arranged on the left side of the top end of the first inner toothed ring 209, on the rear right side and on the front right side of the top end, and the three groups of the fifth gear 2010 are connected with the second inner toothed ring 2012; the three groups of twelfth gears 2027 and the second fan blades 2028 are respectively arranged on the left side of the bottom end of the third inner gear ring 2026, the left rear side of the bottom end and the front right side of the bottom end, and the three groups of twelfth gears 2027 are all connected with the fourth inner gear ring 2029; can respectively cooperate to realize circulation wind collection.
Wherein, two exhaust nets 3 are arranged, one is arranged below the left middle part of the rear shell 101; the other is disposed above the right middle portion of the rear housing 101, and can be respectively matched with the first fan 2016 and the second fan 2033 for heat dissipation and exhaust.
Wherein, the middle part of the outer ring of the front end of the rear shell 101 is provided with a rectangular ring groove which can be matched with the combined lug 10308 to be inserted with the closed shell 10301.
The combined bump 10308 is oppositely arranged on the left side of the rear end of the front plate of the shell 10301, and the right side and the bottom of the combined bump are respectively provided with a three-millimeter distance; the combination protrusion 10308 can be matched with the rectangular ring groove at the front end of the rear casing 101 to be inserted into the combination protrusion 10301 after the placement casing 10301 is closed.
Wherein, limiting plate 6 is provided with an annular spout with first collection fan blade 2011 and second collection fan blade 2028 combination department to limiting plate 6 left side below and upper right side all are provided with an exhaust port, and the annular spout can make first collection fan blade 2011 and second collection fan blade 2028 slide along the annular spout in the pivoted, protects all the other parts, and the exhaust port can be convenient for exhaust simultaneously.
The present application has been described in conjunction with specific embodiments, but it should be understood by those skilled in the art that these descriptions are intended to be illustrative, and not limiting. Various modifications and adaptations of the present application may occur to those skilled in the art based on the spirit and principles of the application and are within the scope of the application.
Claims (5)
1. A power distribution cabinet comprises an exhaust network, a door lock, a bearing seat and power equipment, and is characterized by also comprising a power distribution cabinet shell, a double-circulation heat dissipation mechanism and a limiting plate; the inner top, the inner bottom, the inner left side and the inner upper right side of the shell of the power distribution cabinet are connected with a double-circulation heat dissipation mechanism; an exhaust net is arranged below the left middle part of the shell of the power distribution cabinet; a door lock is arranged at the front middle lower part of the power distribution cabinet shell; a bearing seat is arranged at the upper left part in the shell of the power distribution cabinet; the upper part of the middle part, the lower part of the inner middle part, the left side of the inner middle part and the upper part of the inner right part in the shell of the power distribution cabinet are connected with the limiting plates; the power equipment is arranged on the rear side in the shell of the power distribution cabinet;
the power distribution cabinet shell comprises a rear shell, an upper front cover, a lower front cover, an angular velocity sensor and a transmission rod; the front part of the upper left side and the front part of the upper right side of the rear shell are connected with the upper front cover in an overturning way; the front part at the left lower part and the front part at the right lower part of the rear shell are connected with the lower front cover in a turnover way; an angular speed sensor is arranged at the lower left of the front part in the upper front cover; the rear upper part of the left end of the upper front cover is rotationally connected with the transmission rod, and the right bottom of the transmission rod is connected with the lower front cover; the inner top, the inner bottom, the inner left side and the inner upper right side of the rear shell are connected with a double-circulation heat dissipation mechanism; the lower part of the left middle part of the rear shell is connected with an exhaust net; the upper left part in the rear shell is connected with a bearing seat; the upper part of the middle part, the lower part of the inner middle part, the left side of the inner middle part and the upper part of the inner right part in the rear shell are connected with the limiting plates; the middle rear side in the rear shell is connected with the power equipment; the middle part of the inner bottom of the upper front cover is connected with a door lock;
the double-circulation heat dissipation mechanism comprises a motor, a first driving wheel, a second driving wheel, a first fixing plate, a first gear, a second gear, a third gear, a fourth gear, a first inner gear ring, a fifth gear, a first fan blade, a second inner gear ring, a rotating rod, a first bevel gear, a second bevel gear, a first heat dissipation fan blade, a sixth gear, a seventh gear, a third driving wheel, a fourth driving wheel, a second fixing plate, an eighth gear, a ninth gear, a tenth gear, an eleventh gear, a third inner gear ring, a twelfth gear, a second fan blade, a fourth inner gear ring, a fifth driving wheel, a third bevel gear, a fourth bevel gear and a second heat dissipation fan blade; the top of the motor is rotationally connected with the first driving wheel; the right side of the first driving wheel is in transmission connection with a second driving wheel; the upper axle center of the first driving wheel is rotationally connected with the rotating rod; the upper axle center of the second driving wheel is inserted with the first fixing plate; the upper axle center of the second transmission wheel is rotationally connected with the first gear, and the first gear is positioned above the first fixing plate; the front right side of the top of the first fixing plate is rotationally connected with the second gear, and the rear left side of the second gear is connected with the first gear; the left middle part of the top of the first fixing plate is rotationally connected with a third gear, and the right side of the third gear is connected with the first gear; the right rear side of the top of the first fixing plate is rotatably connected with a fourth gear, and the front left side of the fourth gear is connected with the first gear; the front part of the second gear is meshed with the first inner gear ring, the left middle part in the first inner gear ring is connected with the third gear, and the right rear side in the first inner gear ring is connected with the fourth gear; the left middle part of the top end of the first inner gear ring is rotationally connected with the fifth gear; the middle part of the top end of the fifth gear is rotationally connected with the first fan blade; the left side of the fifth gear is meshed with the second inner gear ring; the middle lower part of the outer surface of the rotating rod is rotationally connected with the first bevel gear; the middle upper part of the outer surface of the rotating rod is rotationally connected with the sixth gear; the left side of the first bevel gear is meshed with the second bevel gear; the left axis of the second bevel gear is rotationally connected with the first radiating fan blade; the right side of the sixth gear is meshed with the seventh gear; the top axle center of the seventh gear is rotationally connected with the third transmission wheel; the right side of the third driving wheel is in transmission connection with the fourth driving wheel; the bottom axis of the fourth transmission wheel is inserted into the second fixing plate; the bottom axis of the fourth transmission wheel is in transmission connection with an eighth gear, and the eighth gear is positioned below the second fixing plate; the right side of the fourth driving wheel is in transmission connection with the fifth driving wheel; the bottom axis of the fifth transmission wheel is rotationally connected with the third bevel gear through a rotating shaft; the left side of the bottom of the second fixing plate is in transmission connection with a ninth gear, and the right side of the ninth gear is connected with an eighth gear; the front right side of the bottom of the second fixing plate is rotationally connected with a tenth gear, and the rear left side of the tenth gear is connected with an eighth gear; the right rear side of the bottom of the second fixing plate is rotatably connected with an eleventh gear, and the front left side of the eleventh gear is connected with an eighth gear; the left side of the ninth gear is meshed with the third inner gear ring, the front side and the right side in the third inner gear ring are connected with the tenth gear, and the right rear side in the third inner gear ring is connected with the eleventh gear; the front middle part of the bottom end of the third inner gear ring is rotationally connected with the twelfth gear; the bottom axis of the twelfth gear is rotationally connected with the second fan blade; the front part of the twelfth gear is meshed with the fourth inner gear ring; the right upper part of the third bevel gear is meshed with the fourth bevel gear; the right axis of the fourth bevel gear is rotationally connected with the second radiating fan blade; the bottom of the outer surface of the motor is connected with the rear shell; the top of the rotating rod is connected with the rear shell; the middle upper part of the outer surface of the rotating rod is connected with the bearing seat;
the lower front cover comprises a placing shell, a first notch, a second notch, a combined annular plate, a placing box, a placing groove, a silica gel strip and a combined lug; a first notch is formed in the middle of the top of the front end of the placing shell; a second notch is formed in the rear side of the middle of the inner top of the placing shell, and the second notch is communicated with the first notch; a combined annular plate is arranged at the inner ring at the top of the placing shell; a placing box is arranged at the front left side in the placing shell; a placing groove is arranged in the middle of the front part in the placing shell; the top of the front middle part of the shell is bonded with the silica gel strip; placing the bottom of the shell, wherein the inner right side and the inner left side are both provided with a combined lug; the left rear side bottom and the inner right rear side bottom in the placing shell are both connected with the rear shell; the top of the left rear side of the placing shell is connected with the transmission rod; the left end, the front end and the right side of the combined annular plate are connected with the upper front cover; the front part of the first notch is connected with the upper front cover; the interior of the second notch is connected with a door lock; the rear side of the combined lug is connected with the rear shell;
a supporting seat is arranged on the left side of the bottom end of the second inner gear ring, and the left and the right sides of the bottom end and the front and the right sides of the bottom end are respectively connected with the rear shell; a supporting seat is arranged on the left side of the top end of the fourth inner gear ring, and the left and the right sides of the top end and the front and the right sides of the bottom end of the fourth inner gear ring are respectively connected with the rear shell; a supporting seat is arranged on the left side of the bottom end of the first fixing plate, and the left and the right sides of the bottom end and the front and the right sides of the bottom end are respectively connected with the rear shell; a supporting seat is arranged on the left side of the top end of the second fixing plate, and the left and the rear sides of the top end and the front and the right sides of the bottom end of the second fixing plate are connected with the rear shell;
the fifth gear and the first wind collecting fan blade, the twelfth gear and the second wind collecting fan blade are respectively provided with three groups, the three groups of fifth gears and the first wind collecting fan blade are respectively arranged on the left side of the top end of the first inner gear ring, the right back side and the front right side of the top end, and the three groups of fifth gears are connected with the second inner gear ring; the three groups of twelfth gears and the second wind collecting fan blades are arranged on the left side of the bottom end of the third inner gear ring, the left rear side of the bottom end and the front right side of the bottom end respectively, and the three groups of twelfth gears are connected with the fourth inner gear ring.
2. A switch board according to claim 1, characterized in that the exhaust network is provided with two, one is arranged below the left middle part of the rear casing, and the other is arranged above the right middle part of the rear casing.
3. The switch board of claim 2, wherein the rear housing has a rectangular ring groove formed in the middle of the outer ring of the front end of the rear housing.
4. A switch board according to claim 3, wherein the combination protrusion is disposed opposite to the left side of the rear end of the front plate of the housing, and the right side and the bottom of the combination protrusion are spaced by three millimeters.
5. The power distribution cabinet according to claim 4, wherein an annular chute is arranged at the combination of the limiting plate and the first and second fan-collecting blades, and an exhaust port is arranged at the lower left and upper right of the limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010182541.6A CN111181047B (en) | 2020-03-16 | 2020-03-16 | Power distribution cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010182541.6A CN111181047B (en) | 2020-03-16 | 2020-03-16 | Power distribution cabinet |
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| CN111181047A CN111181047A (en) | 2020-05-19 |
| CN111181047B true CN111181047B (en) | 2021-03-30 |
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| CN209768013U (en) * | 2019-02-20 | 2019-12-10 | 吉林省信瑞智能科技有限公司 | rain-proof structure of industrial-grade monitoring box |
| CN209786458U (en) * | 2019-04-17 | 2019-12-13 | 江西明正智能电气有限公司 | High switch board of security |
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| JP2006196714A (en) * | 2005-01-13 | 2006-07-27 | Mitsumi Electric Co Ltd | Cooler for electronic component |
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| CN203244715U (en) * | 2013-02-06 | 2013-10-23 | 浙江永通科技发展有限公司 | Cabinet body structure of tunnel fire cabinet |
| CN203398557U (en) * | 2013-07-04 | 2014-01-15 | 南阳金冠电气有限公司 | Tilt-up door type distribution box |
| CN203660327U (en) * | 2013-12-17 | 2014-06-18 | 河南省电力勘测设计院 | Rainproof door for outdoor cabinet cell |
| CN209184930U (en) * | 2018-10-22 | 2019-07-30 | 唐渝 | A kind of electrical engineering radiator |
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| Publication number | Publication date |
|---|---|
| CN111181047A (en) | 2020-05-19 |
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