CN112134182B - A convection heat dissipation type low voltage power distribution switch cabinet - Google Patents

A convection heat dissipation type low voltage power distribution switch cabinet Download PDF

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Publication number
CN112134182B
CN112134182B CN202011004662.8A CN202011004662A CN112134182B CN 112134182 B CN112134182 B CN 112134182B CN 202011004662 A CN202011004662 A CN 202011004662A CN 112134182 B CN112134182 B CN 112134182B
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CN
China
Prior art keywords
cabinet
cabinet body
air
side wall
cooling
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CN202011004662.8A
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Chinese (zh)
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CN112134182A (en
Inventor
李龙
姚湘予
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Wuzhi Power Supply Co of State Grid Henan Electric Power Co Ltd
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Wuzhi Power Supply Co of State Grid Henan Electric Power Co Ltd
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Publication of CN112134182A publication Critical patent/CN112134182A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/306Accessories, e.g. windows

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a convection heat dissipation type low-voltage power distribution switch cabinet which comprises a base, wherein a cabinet body is fixedly arranged at the top of the base, an air inlet pipe is fixedly arranged on the side wall of the cabinet body in a penetrating manner, a protection frame and a mounting frame are fixedly arranged on the side wall of the cabinet body in a penetrating manner, two air outlet pipes are fixedly arranged on the top of the cabinet body in a penetrating manner, an air suction mechanism is arranged between the inner bottom of the cabinet body and the air inlet pipe, a rotating mechanism is arranged in the protection frame, the rotating mechanism is in transmission connection with the air suction mechanism through a transmission mechanism, a cooling mechanism is arranged in the mounting frame, and the bottom end of the cooling mechanism extends into the protection frame and is in rotation connection with the side wall of the rotating mechanism. The invention has reasonable structural design, can discharge the floating hot air by utilizing the principle that the hot air floats upwards, and then sucks cold air from the bottom, thereby improving the heat dissipation effect of the cabinet body, further cooling the electronic components in the cabinet body by the water cooling effect, and ensuring the normal use of the electronic components in the cabinet body.

Description

Convection heat dissipation type low-voltage power distribution switch cabinet
Technical Field
The invention relates to the technical field of power distribution switch cabinets, in particular to a convection heat dissipation type low-voltage power distribution switch cabinet.
Background
The switch cabinet is internally provided with the switch equipment, the measuring instrument, the protection electrical appliance and the auxiliary equipment which are assembled in the closed or semi-closed metal cabinet or on the screen according to the electrical wiring requirement, and in order to solve the heat dissipation problem, a fan is usually arranged on the electrical power distribution cabinet so as to solve the heat dissipation problem, and the fan is added to strengthen the air flow in the electrical cabinet to a certain extent, so that a certain heat dissipation effect can be achieved.
In the prior art, the existing power distribution switch cabinet only dissipates heat in the cabinet body through one or a group of cooling fans, the heat dissipation effect is poor, the heat in the cabinet body is difficult to timely discharge, the electronic components in the cabinet body are easy to burn out, the normal work of the electronic components is affected, and therefore the convection heat dissipation type low-voltage power distribution switch cabinet is designed to solve the problems.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the existing power distribution switch cabinet only dissipates heat in the cabinet body through one or a group of cooling fans, the heat dissipation effect is poor, the heat in the cabinet body is difficult to timely discharge, electronic components in the cabinet body are easy to burn out, and normal operation of the electronic components is influenced.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a convection heat dissipation formula low voltage distribution switch cabinet, includes the base, the top fixed mounting of base has the cabinet body, the lateral wall of the cabinet body runs through fixed mounting and has the intake pipe, the lateral wall fixed mounting of the cabinet body has protection frame and installing frame, the top of the cabinet body runs through fixed mounting and has two outlet ducts, be equipped with the air suction mechanism between the interior bottom of the cabinet body and the intake pipe, be equipped with rotary mechanism in the protection frame, be connected through the drive mechanism transmission between rotary mechanism and the air suction mechanism, be equipped with cooling mechanism in the installing frame, cooling mechanism's bottom extends to in the protection frame and rotates with rotary mechanism's lateral wall and be connected, two all be equipped with exhaust mechanism in the outlet duct, the inside wall of the cabinet body is equipped with driving mechanism, driving mechanism and two exhaust mechanism all mesh, the drive is connected with the drive belt between driving mechanism and the air suction mechanism.
Preferably, the air suction mechanism comprises a motor fixedly arranged on the bottom of the cabinet body, a first driving wheel is fixedly arranged on an output shaft of the motor, an air suction fan is fixedly arranged at the tail end of the output shaft of the motor, and a first dust screen is fixedly arranged in the air inlet pipe.
Preferably, the rotating mechanism comprises a rotating disc rotatably connected in the protective frame, and the rotating disc is in transmission connection with an output shaft of the motor through a transmission mechanism.
Preferably, the cooling mechanism comprises a piston which is slidably connected in the mounting frame, a plurality of springs are fixedly connected between the top of the piston and the inner top of the mounting frame, a cooling pipe which is mutually communicated with the inside of the mounting frame is fixedly installed at the top of the mounting frame in a penetrating mode, the cooling pipe extends to the side wall of the cabinet body, which is mutually communicated with the inside of the cabinet body, the cooling pipe is provided with a one-way valve, a pull rod is fixedly connected with the bottom of the piston, the pull rod penetrates through the bottom of the mounting frame and is slidably connected with the bottom of the mounting frame, a pull rope is fixedly connected with the bottom end of the pull rod, and the pull rope extends into the protection frame and is rotationally connected with the side wall of the turntable.
Preferably, the exhaust mechanism comprises a mounting rod rotatably connected in the air outlet pipe, an exhaust fan is fixedly mounted at the top end of the mounting rod, a first bevel gear is fixedly mounted at the bottom end of the mounting rod, and a second dust screen is fixedly mounted in the air outlet pipe.
Preferably, the driving mechanism comprises a rotating rod rotatably connected to the inner side wall of the cabinet body, the rotating rod penetrates through the two air outlet pipes and is rotatably connected with the two air outlet pipes, a second driving wheel and two second bevel gears are fixedly mounted on the rotating rod, the driving belt is in driving connection between the second driving wheel and the first driving wheel, and the two second bevel gears are respectively meshed with the opposite first bevel gears.
Compared with the prior art, the invention has the beneficial effects that:
1. Through drive belt, inhaling mechanism, drive mechanism and exhaust mechanism's setting, the motor rotates and drives the fan of inhaling and rotate, when inhaling the fan and rotate, inhale the external cold air and dispel the heat to its inside electronic component in the cabinet body, first drive wheel on the motor passes through the drive belt and drives the rotation of second drive wheel, the second drive wheel passes through the dwang and drives the second bevel gear and rotate, the second bevel gear drives the exhaust fan on the installation pole through the first bevel gear with it and rotate, during the exhaust fan rotates, discharge the hot air of come-up through the outlet duct, through the inhalation of cold air and the discharge of hot air, the radiating effect of the cabinet body has been improved, guarantee the normal use of internal electronic component of cabinet.
2. Through motor, cooling body and slewing mechanism's setting, when the motor rotated, drive the carousel through drive mechanism and rotate, drive the piston on the pull rod through the stay cord and reciprocate the slip from top to bottom under the effect of spring tension when the carousel rotates, because the setting of check valve on the cooling tube, the piston can only impress the one end of cooling liquid in the installing frame through the cooling tube, the other end of rethread cooling tube returns in the installing frame, so reciprocatingly, cools off the electronic component in the cabinet body, avoid the electronic component high temperature in the cabinet body to damage, guarantee the normal work of the cabinet body.
In summary, the invention has reasonable structural design, can discharge the floating hot air by utilizing the principle that the hot air floats upwards, then suck cold air from the bottom, improve the heat dissipation effect of the cabinet body, and further cool the electronic components in the cabinet body by the water cooling effect, thereby ensuring the normal use of the electronic components in the cabinet body.
Drawings
Fig. 1 is a schematic structural diagram of a convection heat dissipation type low-voltage power distribution switch cabinet according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is an enlarged view of the structure at C in FIG. 1;
In the figure: 1 base, 2 cabinet body, 3 cooling tube, 4 intake pipe, 5 protection frame, 6 installing frame, 7 motor, 8 suction fan, 9 first dust screen, 10 carousel, 11 drive belt, 12 stay cord, 13 outlet duct, 14 check valve, 15 pistons, 16 springs, 17 pull rod, 18 first drive wheel, 19 second drive wheel, 20 second dust screen, 21 installing rod, 22 air discharge fan, 23 first bevel gear, 24 dwang, 25 second bevel gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-4, a convection heat dissipation type low-voltage power distribution switch cabinet comprises a base 1, wherein a cabinet body 2 is fixedly arranged at the top of the base 1, an air inlet pipe 4 is fixedly arranged on the side wall of the cabinet body 2 in a penetrating manner, a protection frame 5 and a mounting frame 6 are fixedly arranged on the side wall of the cabinet body 2, two air outlet pipes 13 are fixedly arranged on the top of the cabinet body 2 in a penetrating manner, an air suction mechanism is arranged between the inner bottom of the cabinet body 2 and the air inlet pipe 4 and comprises a motor 7 fixedly arranged on the inner bottom of the cabinet body 2, a first driving wheel 18 is fixedly arranged on an output shaft of the motor 7, an air suction fan 8 is fixedly arranged at the tail end of the output shaft of the motor 7, and a first dust screen 9 is fixedly arranged in the air inlet pipe 4;
The protection frame 5 is internally provided with a rotating mechanism, the rotating mechanism is in transmission connection with the air suction mechanism through a transmission mechanism, the rotating mechanism comprises a rotary table 10 which is rotationally connected in the protection frame 5, the rotary table 10 is in transmission connection with an output shaft of the motor 7 through the transmission mechanism, and the transmission mechanism is bevel gear-transmission rod transmission in the prior art;
The cooling mechanism is arranged in the mounting frame 6, the bottom end of the cooling mechanism extends into the protective frame 5 and is in rotary connection with the side wall of the rotary mechanism, the cooling mechanism comprises a piston 15 which is in sliding connection in the mounting frame 6, a plurality of springs 16 are fixedly connected between the top of the piston 15 and the inner top of the mounting frame 6, a cooling pipe 3 which is mutually communicated with the inside of the cooling pipe 3 is fixedly arranged at the top of the mounting frame 6 in a penetrating manner, the cooling pipe 3 extends into the cabinet body 2 and penetrates through the side wall of the mounting frame 6 again and is mutually communicated with the inside of the cooling pipe 3, a one-way valve 14 is arranged on the cooling pipe 3, the bottom of the piston 15 is fixedly connected with a pull rod 17, the pull rod 17 penetrates through the bottom of the mounting frame 6 and is in sliding connection with the side wall of the rotating disk 10, the bottom end of the pull rod 17 is fixedly connected with a pull rope 12, when the motor 7 rotates, the rotating disk 10 is driven by the driving mechanism, the piston 15 on the pull rod 17 is driven by the pull rope 12 to reciprocate up and down under the action of the spring 16 when the rotating disk 10, the cooling pipe 3 is arranged, the cooling liquid in the mounting frame 6 can be only pressed into the cabinet 2 through the cooling pipe 3, and the cooling pipe 2 is prevented from being damaged by the other end of the electronic cabinet 2, and the electronic cabinet 2 is normally arranged in the cabinet 2;
The two air outlet pipes 13 are internally provided with an air exhaust mechanism, the air exhaust mechanism comprises a mounting rod 21 rotatably connected in the air outlet pipe 13, the top end of the mounting rod 21 is fixedly provided with an air exhaust fan 22, the bottom end of the mounting rod 21 is fixedly provided with a first bevel gear 23, and the air outlet pipe 13 is internally fixedly provided with a second dust screen 20;
The inside wall of the cabinet body 2 is provided with a driving mechanism which is meshed with two exhaust mechanisms, a transmission belt 11 is connected between the driving mechanism and the air suction mechanism in a transmission way, the driving mechanism comprises a rotating rod 24 which is rotationally connected to the inside wall of the cabinet body 2, the rotating rod 24 penetrates through the two air outlet pipes 13 and is rotationally connected with the two air outlet pipes, a second driving wheel 19 and two second bevel gears 25 are fixedly arranged on the rotating rod 24, the transmission belt 11 is in transmission connection between the second driving wheel 19 and the first driving wheel 18, the two second bevel gears 25 are respectively meshed with the first bevel gears 23 which are opposite, the driving belt 11, the air suction mechanism, the driving mechanism and the exhaust mechanism are arranged, the motor 7 rotates to drive the air suction fan 8 to rotate, when the air suction fan 8 rotates, cool air outside is sucked into the cabinet body 2 to dissipate heat of electronic elements inside the cabinet body, the first driving wheel 18 on the motor 7 drives the second driving wheel 19 to rotate through the transmission belt 11, the second bevel gears 25 drive the second bevel gears 25 to rotate through the rotating rod 24, the exhaust fan 22 on the mounting rod 21 is driven by the first bevel gears 23 which are meshed with the first bevel gears 23, and when the air outlet fans 22 rotate, and the cool air in the cabinet body 2 is discharged through the electronic elements, and the normal heat dissipation effect is guaranteed.
The invention can explain its functional principle by the following modes of operation:
When the cabinet body 2 works, a large amount of heat is generated by electronic components in the cabinet body 2, hot air gradually rises and gathers at the inner top of the cabinet body 2, the motor 7 is started, the motor 7 rotates to drive the air suction fan 8 to rotate, when the air suction fan 8 rotates, external cold air is sucked into the cabinet body 2 to dissipate heat of the electronic components in the cabinet body, the first driving wheel 18 on the motor 7 drives the second driving wheel 19 to rotate through the driving belt 11, the second driving wheel 19 drives the second bevel gear 25 to rotate through the rotating rod 24, the second bevel gear 25 drives the exhaust fan 22 on the mounting rod 21 to rotate through the first bevel gear 23 meshed with the second driving wheel 19, the air suction fan 22 discharges the floating hot air through the air outlet pipe 13 when rotating, the motor 7 rotates and simultaneously drives the rotary table 10 to rotate through the driving mechanism, and the piston 15 on the pull rod 17 is driven by the pull rope 12 to reciprocate up and down under the action of the tension of the spring 16 when the rotary table 10 rotates, and the piston 15 only can drive one end of cooling liquid in the mounting frame 6 to be pressed into the electronic components 2 through the cooling tube 3 and then to be prevented from being damaged by the other end of the cooling tube 3, and the electronic components in the cabinet 2 are prevented from being damaged.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (1)

1.一种对流散热式低压配电开关柜,包括底座(1),其特征在于,所述底座(1)的顶部固定安装有柜体(2),所述柜体(2)的侧壁贯穿固定安装有进气管(4),所述柜体(2)的侧壁固定安装有防护框(5)和安装框(6),所述柜体(2)的顶部贯穿固定安装有两个出气管(13),所述柜体(2)的内底部与进气管(4)之间设有吸气机构,所述防护框(5)内设有转动机构,所述转动机构与吸气机构之间通过传动机构传动连接,所述安装框(6)内设有冷却机构,所述冷却机构的底端延伸至防护框(5)内并与转动机构的侧壁转动连接,两个所述出气管(13)内均设有排气机构,所述柜体(2)的内侧壁设有带动机构,所述带动机构与两个排气机构均啮合,所述带动机构与吸气机构之间传动连接有传动带(11);1. A convection heat dissipation type low-voltage power distribution switch cabinet, comprising a base (1), characterized in that a cabinet (2) is fixedly installed on the top of the base (1), an air inlet pipe (4) is fixedly installed through the side wall of the cabinet (2), a protective frame (5) and a mounting frame (6) are fixedly installed on the side wall of the cabinet (2), two air outlet pipes (13) are fixedly installed through the top of the cabinet (2), an air suction mechanism is provided between the inner bottom of the cabinet (2) and the air inlet pipe (4), a rotating mechanism is provided in the protective frame (5), the rotating mechanism and the air suction mechanism are connected by a transmission mechanism, a cooling mechanism is provided in the mounting frame (6), the bottom end of the cooling mechanism extends into the protective frame (5) and is rotatably connected to the side wall of the rotating mechanism, an exhaust mechanism is provided in the two air outlet pipes (13), a driving mechanism is provided on the inner side wall of the cabinet (2), the driving mechanism is meshed with the two exhaust mechanisms, and a transmission belt (11) is connected between the driving mechanism and the air suction mechanism; 所述吸气机构包括固定安装在柜体(2)内底部上的电机(7),所述电机(7)的输出轴上固定安装有第一传动轮(18),所述电机(7)的输出轴末端固定安装有吸气扇(8),所述进气管(4)内固定安装有第一防尘网(9),The air suction mechanism comprises a motor (7) fixedly mounted on the bottom of the cabinet (2), a first transmission wheel (18) fixedly mounted on the output shaft of the motor (7), an air suction fan (8) fixedly mounted on the end of the output shaft of the motor (7), and a first dustproof net (9) fixedly mounted in the air intake pipe (4). 所述转动机构包括转动连接在防护框(5)内的转盘(10),所述转盘(10)与电机(7)的输出轴之间通过传动机构传动连接;The rotating mechanism comprises a rotating disk (10) rotatably connected in the protective frame (5), and the rotating disk (10) is transmission-connected to the output shaft of the motor (7) via a transmission mechanism; 所述冷却机构包括滑动连接在安装框(6)内的活塞(15),所述活塞(15)的顶部与安装框(6)的内顶部之间固定连接有多个弹簧(16),所述安装框(6)的顶部贯穿固定安装有与其内部相互连通的冷却管(3),所述冷却管(3)延伸至柜体(2)内再次贯穿安装框(6)的侧壁并与其内部相互连通,所述冷却管(3)上设有单向阀(14),所述活塞(15)的底部固定连接有拉杆(17),所述拉杆(17)贯穿安装框(6)的底部并与其滑动连接,所述拉杆(17)的底端固定连接有拉绳(12),所述拉绳(12)延伸至防护框(5)内并与转盘(10)的侧壁转动连接;The cooling mechanism comprises a piston (15) slidably connected in the installation frame (6), a plurality of springs (16) are fixedly connected between the top of the piston (15) and the inner top of the installation frame (6), a cooling pipe (3) is fixedly installed through the top of the installation frame (6) and is interconnected with the interior thereof, the cooling pipe (3) extends into the cabinet (2) and again penetrates the side wall of the installation frame (6) and is interconnected with the interior thereof, a one-way valve (14) is provided on the cooling pipe (3), a pull rod (17) is fixedly connected to the bottom of the piston (15), the pull rod (17) penetrates the bottom of the installation frame (6) and is slidably connected thereto, a pull rope (12) is fixedly connected to the bottom end of the pull rod (17), the pull rope (12) extends into the protection frame (5) and is rotatably connected to the side wall of the turntable (10); 所述排气机构包括转动连接在出气管(13)内的安装杆(21),所述安装杆(21)的顶端固定安装有排气扇(22),所述安装杆(21)的底端固定安装有第一锥齿轮(23),所述出气管(13)内固定安装有第二防尘网(20);The exhaust mechanism comprises a mounting rod (21) rotatably connected to the air outlet pipe (13), an exhaust fan (22) is fixedly mounted on the top end of the mounting rod (21), a first bevel gear (23) is fixedly mounted on the bottom end of the mounting rod (21), and a second dustproof net (20) is fixedly mounted in the air outlet pipe (13); 所述带动机构包括转动连接在柜体(2)内侧壁上的转动杆(24),所述转动杆(24)贯穿两个出气管(13)并与其转动连接,所述转动杆(24)上固定安装有第二传动轮(19)和两个第二锥齿轮(25),所述传动带(11)传动连接在第二传动轮(19)与第一传动轮(18)之间,两个所述第二锥齿轮(25)分别与相对的第一锥齿轮(23)相啮合。The driving mechanism comprises a rotating rod (24) rotatably connected to the inner wall of the cabinet (2), the rotating rod (24) passing through the two air outlet pipes (13) and being rotatably connected thereto, a second transmission wheel (19) and two second bevel gears (25) being fixedly mounted on the rotating rod (24), the transmission belt (11) being transmission-connected between the second transmission wheel (19) and the first transmission wheel (18), and the two second bevel gears (25) respectively meshing with the opposite first bevel gears (23).
CN202011004662.8A 2020-09-22 2020-09-22 A convection heat dissipation type low voltage power distribution switch cabinet Active CN112134182B (en)

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CN114156751B (en) * 2021-10-27 2022-08-16 南通世创机械有限公司 Power distribution device suitable for stable use of 5G core equipment
CN113878557A (en) * 2021-11-03 2022-01-04 国网河南省电力公司武陟县供电公司 Power supply line maintenance tool rack
CN116260059B (en) * 2021-12-09 2025-07-11 淮安新瑞电力设备有限公司 A high-performance breathing heat dissipation relay protection cabinet structure and heat dissipation method thereof
CN114069451B (en) * 2022-01-17 2022-03-25 诺沃机械南通有限公司 Combined photovoltaic power distribution cabinet
CN114944608A (en) * 2022-06-10 2022-08-26 扬州德云电气设备集团有限公司 Gas insulation switch cabinet convenient to heat dissipation
CN115117767A (en) * 2022-07-26 2022-09-27 湖北长江电气有限公司 Intelligent power distribution cabinet with partial discharge monitoring function
CN116388027B (en) * 2023-05-15 2023-11-10 唐山市君通科技有限公司 Inversion intermediate frequency power supply cabinet
CN116759927B (en) * 2023-08-17 2023-11-07 泉欣电力(福建)有限公司 Microcomputer ac/dc integrated uninterrupted power supply cabinet

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