Heat dissipation and cooling structure for electrical assembly of high-voltage electrical cabinet

Abstract

The utility model discloses a heat dissipation and cooling structure for an electrical assembly of a high-voltage electrical cabinet, which comprises a water inlet pipe, a water outlet pipe, a heat dissipation assembly, a positioning assembly and a loss prevention assembly, and is characterized in that the heat dissipation assembly is arranged at the bottom of a cabinet body; the water inlet pipe and the water outlet pipe are respectively arranged on two sides of the lower end of the cabinet body; the water inlet pipe and the water outlet pipe are connected with the two ends of a cooling water pipe of the heat dissipation assembly respectively. The two positioning assemblies are arranged on the two side edges of a water-cooled radiator shell of the heat dissipation assembly respectively. The lower surface of the supporting block of the positioning assembly is attached to the lower bottom face of the cabinet body. The upper end face of the positioning assembly is provided with the damage prevention assembly. The positions of the damage prevention assemblies correspond to the two ends of the cooling water pipe of the heat dissipation assembly. One end of the L-shaped supporting plate of the damage prevention assembly is fixed to the upper end of the connecting plate of the positioning assembly. The high-voltage electrical cabinet is compact in structure, reliable in connection, stable in performance and suitable for heat dissipation and cooling of electrical components of the high-voltage electrical cabinet.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electrical equipment technical field, further belongs to electrical cabinet heat dissipation equipment technical field, specifically relates to a compact structure, reliable connection, high -voltage electrical cabinet electrical assembly heat dissipation cooling structure of stable performance. BACKGROUND

[0002] High -voltage electrical cabinet is a kind of electrical product for generating, transmitting, distributing and electric energy conversion in power system. In order to ensure the normal operation of its internal equipment and prolong service life, prevent the security risk caused by overheating, usually install heat dissipation cooling device in high -voltage electrical cabinet. The heat dissipation cooling structure of current high -voltage electrical cabinet is that heat dissipation cooling device is installed at the bottom of cabinet body, and upper and lower ends of the rear of cabinet body are provided with ventilation openings, and the air inhaled by lower ventilation opening is cooled, and cold air is blown to the upper part by heat dissipation fan and is discharged. Since heat dissipation cooling structure is installed at the bottom of cabinet body, and the position of the bottom of cabinet body is narrow, it is inconvenient to install, and when heat dissipation structure is installed and subsequently overhauled, heat dissipation structure needs to be moved multiple times, so that cooling water pipe and inlet and outlet water pipe connection position are suitable, and heat dissipation cooling structure itself is heavy, and it is time-consuming and laborious to move back and forth, and it is very inconvenient to install and overhaul. Therefore, research and development of a kind of compact structure, reliable connection, high -voltage electrical cabinet electrical assembly heat dissipation cooling structure of stable performance is the key to solve this problem. CONTENT OF UTILITY MODEL

[0003] The utility model is provided with a compact structure, reliable connection, high -voltage electrical cabinet electrical assembly heat dissipation cooling structure of stable performance.

[0004] The utility model discloses a compact structure, reliable connection, high -voltage electrical cabinet electrical assembly heat dissipation cooling structure of stable performance.

[0005] The utility model discloses a water cooling radiator shell of heat dissipation subassembly plays the role of support, and cooling water pipe is convenient for water flow, can exchange the heat that semiconductor refrigeration piece generates itself, and semiconductor refrigeration piece can produce cold air, and finned radiator absorbs the cold air that semiconductor refrigeration piece generates, and is discharged upwards, and heat dissipation fan absorbs the cold air that finned radiator discharges upwards, and blows into the cabinet body upwards, and positioning assembly has two groups in common, and mounting plate plays the role of fixed, and connecting plate plays the role of support and limiting, and arc slot plays the role of limiting, and silica gel pad can avoid abrasion, and supporting block plays the role of support, and the anti-damage subassembly can avoid that heat dissipation subassembly works, and too much vibration causes connecting piece loosening, and also can reduce vibration intensity to some extent.

[0006] The installation steps of the utility model are as follows:

[0007] 1, when installing heat dissipation subassembly for the first time, determine the position of water cooling radiator shell, and make two connecting plates into the cabinet body through mounting plate, make it be located at both sides of water cooling radiator shell, when subsequent maintenance replacement, move heat dissipation subassembly with two hands, and place it on the bottom surface in the cabinet body, make both sides of water cooling radiator shell be located between two connecting plates, push heat dissipation subassembly into the cabinet body, until the both ends of cooling water pipe are pushed into arc slot and are attached in silica gel pad.

[0008] 2, after placing heat dissipation subassembly, connect inlet pipe, outlet pipe and cooling water pipe with water pipe connecting piece respectively, rotate adjusting screw on L type supporting plate, make adjusting screw move downward along through hole, hold arc-shaped pressing plate with one hand, when adjusting screw moves downward, lower end rotates in bearing, drive arc-shaped pressing plate to move downward, until arc-shaped rubber pad moves downward and is attached to water pipe connecting piece.

[0009] The utility model installs, and maintenance is very inconvenient, can save adjusting time greatly.

[0010] The utility model compact structure, connection is reliable, and stable performance is applicable to the heat dissipation cooling of high voltage electrical cabinet electrical component. ACCURACY OF DRAWINGS

[0011] Figure 1 It is the whole structure schematic diagram of the utility model;

[0012] Figure 2 It is the left view schematic diagram of the utility model; Figure 1

[0013] Figure 3 It is the heat dissipation subassembly structure schematic diagram of the utility model;

[0014] Figure 4 It is the positioning assembly and anti-damage subassembly structure schematic diagram of the utility model.

[0015] ​In the figure: 1 - water inlet pipe, 2 - water outlet pipe, 3 - heat dissipation assembly, 31 - water-cooled radiator shell, 32 - cooling water pipe, 33 - semiconductor refrigeration sheet, 34 - finned radiator, 35 - heat dissipation fan, 4 - positioning assembly, 41 - mounting plate, 42 - connecting plate, 43 - arc-shaped groove, 44 - silica gel pad, 45 - support block, 5 - damage prevention assembly, 51 - L-shaped support plate, 52 - through hole, 53 - adjusting screw, 54 - bearing, 55 - arc-shaped pressing plate, 56 - arc-shaped rubber pad, 6 - cabinet body, 7 - cabinet door, 8 - layer plate, 9 - electrical element. DETAILED DESCRIPTION

[0016] The utility model makes further explanation in combination with the drawings, but does not in any way add the restriction to the utility model, any alternation based on the utility model teaching, all falls into the protection scope of the utility model.

[0017] As Figures 1 to 4 The utility model discloses a water-cooled heat dissipation cabinet, including water inlet pipe 1, water outlet pipe 2, heat dissipation assembly 3, positioning assembly 4, damage prevention assembly 5, heat dissipation assembly 3 set up in the bottom of cabinet body 6, water inlet pipe 1, water outlet pipe 2 are set up respectively in the lower end both sides of cabinet body 6, water inlet pipe 1, water outlet pipe 2 are connected respectively with the both ends of the cooling water pipe of heat dissipation assembly 3, positioning assembly 4 is 2 groups, and is set up respectively in the both sides of the water-cooled radiator shell of heat dissipation assembly 3, the lower surface of the support block of positioning assembly 4 is attached to the lower bottom surface of cabinet body 6, the upper end surface of positioning assembly 4 is set with damage prevention assembly 5, the position of damage prevention assembly 5 corresponds with the both ends of the cooling water pipe of heat dissipation assembly 3, and one end of the L-shaped support plate of damage prevention assembly 5 is fixed on the upper end of the connecting plate of positioning assembly 4.

[0018] Heat dissipation assembly 3 includes water-cooled radiator shell 31, cooling water pipe 32, semiconductor refrigeration sheet 33, finned radiator 34, heat dissipation fan 35, cooling water pipe 32 penetrates water-cooled radiator shell 31, and both ends are fixed in the both sides of water-cooled radiator shell 31, semiconductor refrigeration sheet 33 is fixed in the top of water-cooled radiator shell 31, finned radiator 34 is fixed in the top of semiconductor refrigeration sheet 33, and heat dissipation fan 35 is fixed in the top of finned radiator 34.

[0019] Positioning assembly 4 includes mounting plate 41, connecting plate 42, arc-shaped groove 43, silica gel pad 44, support block 45, mounting plate 41 is fixed by screw in the inside edge lower end of external cabinet body 6, connecting plate 42 is welded in the middle part of the side of mounting plate 41, arc-shaped groove 43 is set up in the one end of connecting plate 42 away from mounting plate 41, silica gel pad 44 is fixed in arc-shaped groove 43, and support block 45 is fixed below one end of connecting plate 42.

[0020] The anti-damage assembly 5 comprises an L-shaped support plate 51, a through hole 52, an adjusting screw 53, a bearing 54, an arc-shaped pressing plate 55 and an arc-shaped rubber pad 56; one end of the L-shaped support plate 51 is fixed on the upper end of the connecting plate 42; the through hole 52 is formed in the middle of one end of the L-shaped support plate 51; the adjusting screw 53 is connected in the through hole 52 by means of bolts; the bearing 54 is rotatably connected at the lower end of the adjusting screw 53; the arc-shaped pressing plate 55 is fixed at the lower end of the bearing 54; and the arc-shaped rubber pad 56 is fixed at the lower end of the arc-shaped pressing plate 55.

[0021] The working principle and working process of the utility model are as follows:

[0022] The water-cooled radiator shell 31 of the heat dissipation assembly 3 plays a supporting role, the cooling water pipe 32 facilitates water flow, can exchange the heat generated by the semiconductor refrigeration piece 33 itself, the semiconductor refrigeration piece 33 can generate cold air, the finned radiator 34 absorbs the cold air generated by the semiconductor refrigeration piece 33 and discharges upwards, and the heat dissipation fan 35 absorbs the cold air discharged upwards by the finned radiator 34 and blows upwards into the cabinet body 6; the positioning assembly 4 comprises two groups in total, the mounting plate 41 plays a fixing role, the connecting plate 42 plays a supporting and limiting role, the arc-shaped groove 43 plays a limiting role, the silica gel pad 44 can avoid abrasion, and the supporting block 45 plays a supporting role; the anti-damage assembly 5 can avoid excessive vibration of the heat dissipation assembly 3 from causing loosening of connecting pieces and can also reduce vibration intensity to a certain extent.

[0023] The installation steps of the utility model are as follows:

[0024] 1. When installing the heat dissipation assembly 3 for the first time, the position of the water-cooled radiator shell 31 is determined, two connecting plates 42 are mounted into the cabinet body 6 through the mounting plate 41 and are located on both sides of the water-cooled radiator shell 31, during subsequent maintenance and replacement, the heat dissipation assembly 3 is moved by two hands and is placed on the bottom surface in the cabinet body 6, the water-cooled radiator shell 31 is located between the two connecting plates 42, the heat dissipation assembly 3 is pushed into the cabinet body 6, and the two ends of the cooling water pipe 32 are pushed into the arc-shaped groove 43 and are attached to the silica gel pad 44.

[0025] 2. After the heat dissipation assembly 3 is placed, the water inlet pipe 1, the water outlet pipe 2 and the cooling water pipe 32 are connected by water pipe connecting pieces, the adjusting screw 53 on the L-shaped support plate 51 is rotated, the adjusting screw 53 moves downwards along the through hole 52, one hand holds the arc-shaped pressing plate 55, the lower end of the adjusting screw 53 rotates in the bearing 54 while the adjusting screw 53 moves downwards, the arc-shaped pressing plate 55 is driven to move downwards, and the arc-shaped rubber pad 56 moves downwards and is attached to the water pipe connecting piece.

Claims

1. A high-voltage electrical cabinet electrical component heat dissipation cooling structure, comprising a water inlet pipe (1), a water outlet pipe (2), a heat dissipation component (3), a positioning component (4), a damage prevention component (5), characterized in that: The heat dissipation assembly (3) is arranged at the bottom of the cabinet (6); the heat dissipation assembly (3) comprises a water-cooled radiator shell (31), a cooling water pipe (32), a semiconductor refrigeration sheet (33), a finned radiator (34) and a heat dissipation fan (35); the cooling water pipe (32) penetrates through the water-cooled radiator shell (31) and is fixed at both sides of the water-cooled radiator shell (31) by both ends; the semiconductor refrigeration sheet (33) is fixed at the top of the water-cooled radiator shell (31); the finned radiator (34) is fixed at the top of the semiconductor refrigeration sheet (33); and the heat dissipation fan (35) is fixed at the top of the finned radiator (34). ​ The water inlet pipe (1) and the water outlet pipe (2) are arranged at both sides of the lower end of the cabinet (6) respectively; the water inlet pipe (1) and the water outlet pipe (2) are connected with both ends of the cooling water pipe of the heat dissipation assembly (3) respectively; the water-cooled radiator shell (31) of the heat dissipation assembly (3) serves as a support, the cooling water pipe (32) facilitates water flow, the semiconductor refrigeration sheet (33) can exchange heat generated by itself, the semiconductor refrigeration sheet (33) can generate cold air, the finned radiator (34) absorbs the cold air generated by the semiconductor refrigeration sheet (33) and discharges the cold air upward, and the heat dissipation fan (35) absorbs the cold air discharged upward by the finned radiator (34) and blows the cold air upward into the cabinet (6). The positioning assembly (4) is arranged at both sides of the water-cooled radiator shell of the heat dissipation assembly (3) and comprises a support block (45), a mounting plate (41), a connecting plate (42) and an arc-shaped groove (43); the lower surface of the support block (45) is attached to the lower bottom surface of the cabinet (6); the anti-damage assembly (5) is arranged on the upper end surface of the positioning assembly (4); the position of the anti-damage assembly (5) corresponds to both ends of the cooling water pipe of the heat dissipation assembly (3); and one end of the L-shaped support plate of the anti-damage assembly (5) is fixed to the upper end of the connecting plate (42).

2. The high-voltage electrical cabinet electrical component heat dissipation cooling structure according to claim 1, characterized in that: The positioning assembly (4) comprises a mounting plate (41), a connecting plate (42), an arc-shaped groove (43), a silica gel pad (44) and a support block (45); the mounting plate (41) is fixed to the inner side of the cabinet (6) by screws; the connecting plate (42) is welded to the middle part of the side of the mounting plate (41); the arc-shaped groove (43) is arranged at one end of the connecting plate (42) away from the mounting plate (41); the silica gel pad (44) is fixed in the arc-shaped groove (43); and the support block (45) is fixed below one end of the connecting plate (42).

3. The high-voltage electrical cabinet electrical component heat dissipation cooling structure according to claim 1, characterized in that: The anti-damage assembly (5) comprises L-shaped support plates (51), through holes (52), adjusting screw rods (53), bearings (54), arc-shaped pressing plates (55) and arc-shaped rubber pads (56); one end of the L-shaped support plate (51) is fixed to the upper end of the connecting plate (42), the through hole (52) is arranged in the middle of one end of the L-shaped support plate (51); the adjusting screw rod (53) is connected to the through hole (52) by means of a bolt, the bearing (54) is rotatably connected to the lower end of the adjusting screw rod (53); the arc-shaped pressing plate (55) is fixed to the lower end of the bearing (54); and the arc-shaped rubber pad (56) is fixed to the lower end of the arc-shaped pressing plate (55).

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