Heat dissipation type power distribution cabinet of crown block tool trolley

Abstract

The utility model relates to the technical field of power distribution cabinets, in particular to a heat dissipation type power distribution cabinet of a crown block tool trolley, which comprises a power distribution cabinet body and an air outlet arranged on one side of the power distribution cabinet body. The air treatment air inlet assembly is arranged on the other side of the power distribution cabinet body, the L-shaped air supply pipes are arranged on the side portion and the top of the inner wall of the power distribution cabinet body, the folding air blowing units are communicated with the outer wall of the horizontal section of each L-shaped air supply pipe, and the air treatment air inlet assembly penetrates through the power distribution cabinet body and is communicated with an air inlet port of each L-shaped air supply pipe. The heat dissipation type power distribution cabinet breaks through the space limitation of a traditional fixed air inlet, targeted heat dissipation of electrical elements in different areas in the cabinet is achieved, heat dissipation blind areas are eliminated, the heat dissipation efficiency is improved, the element overheating risk is reduced, faults caused by overheating of a frequency converter during operation are reduced, meanwhile, the bamboo joint corrugated pipes can be bent and stored, space is released for overhaul operation, and the maintenance cost is reduced. The maintenance convenience and safety are improved, and stable operation and maintenance of the power distribution cabinet are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of power distribution cabinet, concretely to a heat dissipation type power distribution cabinet of top car tool trolley. BACKGROUND

[0002] In the power system, the power distribution link directly faces the user and undertakes the heavy responsibility of power distribution, and the power distribution system formed by the power distribution substation, high and low voltage distribution line, power distribution transformer and supporting control protection equipment realizes efficient transmission and distribution of electric energy through 35-60 kilovolts, 3-10 kilovolts and other voltage levels. As the terminal hub of the power distribution system, the power distribution cabinet plays a key role in the industrial field due to its reliable protection function for power distribution electrical devices. Especially in the top car equipment, the application of the power distribution cabinet becomes an important guarantee for improving overall efficiency - not only significantly shortens the equipment maintenance cycle and reduces the downtime, but also realizes the zero-fault operation of the production line per month, which builds a solid defense line for continuous production. As the "power heart" of the stable operation of each mechanism of the top car, the reliable operation of the frequency converter is directly related to the operation efficiency and safety of the whole system.

[0003] The current top car power distribution cabinet has a heat dissipation problem: the power distribution cabinet of the large car has fewer problems due to the refrigeration effect of the power distribution cabinet refrigeration air conditioner, but the power distribution cabinet of the small car has no refrigeration equipment, especially in summer, causing high temperature failure of the rotating frequency converter channel of the cab. At present, the power distribution cabinet of the small car only relies on the cooling of the cooling fan, but the effect of the cooling fan is not obvious when the temperature is high, and overheating still occurs, resulting in frequent replacement of the frequency converter. In addition, the traditional power distribution cabinet cooling method adopts single-sided fixed air inlet for ventilation and heat dissipation. This method is difficult to adapt to the complex electrical component layout in the power distribution cabinet, has obvious heat dissipation blind area, cannot realize accurate heat dissipation for electrical components with different areas and different heating degrees, and causes a large amount of heat accumulation in the local area, further increasing the risk of overheating damage of electrical components. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a heat dissipation type power distribution cabinet of top car tool trolley, which solves the current heat dissipation problem of the top car power distribution cabinet: the power distribution cabinet of the small car lacks refrigeration equipment, and high temperature failure of the rotating frequency converter of the cab occurs frequently in summer; the existing heat dissipation only relies on the fan, the cooling effect is poor, leading to frequent replacement of the frequency converter, and at the same time, the traditional single-sided fixed air inlet is difficult to adapt to the complex layout, has a heat dissipation blind area, cannot realize accurate heat dissipation, and increases the risk of overheating damage of components.

[0005] To achieve the above object, the utility model provides the following technical scheme: A heat dissipation type power distribution cabinet of a crown block tool trolley, including power distribution cabinet body, the air outlet of being established in the one side of power distribution cabinet body still including air treatment air inlet component of being established in the other side of power distribution cabinet body, the L type air pipe of being established in the inner wall side portion and top of power distribution cabinet body, multiple folding air blowing units that communicate with the horizontal section outer wall of L type air pipe, multiple folding air blowing units are arranged on the horizontal section outer wall of L type air pipe at equidistance interval, air treatment air inlet component penetrates power distribution cabinet body and communicates with the air inlet port of L type air pipe.

[0006] Further, the folding air blowing unit includes a branch pipe in communication with the L-type air pipe, a second valve disposed on the branch pipe, a bamboo jointed bellows in communication with one end of the branch pipe, and an air outlet cover in communication with one end of the bamboo jointed bellows.

[0007] Further, the air treatment air inlet component includes an oil-water separator disposed on the other side of the power distribution cabinet body, a first connecting hose in communication with an air inlet port of the oil-water separator, a second connecting hose in communication with an air outlet port of the oil-water separator, an air inlet pipe in communication with one end of the second connecting hose, and a first valve disposed on the air inlet pipe.

[0008] Further, the air outlet is provided with a dust filter inside.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] The heat dissipation type power distribution cabinet of the utility model realizes targeted heat dissipation of electrical elements in different areas of the power distribution cabinet body through the cooperation of the air treatment air inlet component, the L-type air pipe and the plurality of folding air blowing units, reduces the failure of the frequency converter caused by overheat during operation, and breaks through the space limitation of the flexible and adjustable folding air blowing unit compared with the traditional fixed air inlet, can dynamically adjust the blowing angle and position according to the element layout and heating condition, solves the problem of heat dissipation coverage blind area, improves the heat dissipation efficiency, and reduces the risk of local overheating of electrical elements. At the same time, the bamboo jointed bellows can be conveniently bent and stored during maintenance, releases sufficient operation space, avoids hindering the maintenance operation, improves the convenience and safety of the maintenance work, and provides double protection for the stable operation and maintenance of the power distribution cabinet body. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a cross-sectional view of the heat dissipation type power distribution cabinet of the crown block tool trolley of the utility model.

[0012] Fig. 2 It is a side view of the heat dissipation type power distribution cabinet of the crown block tool trolley of the utility model.

[0013] In the figure: 1, power distribution cabinet body; 2, air handling intake assembly; 3, oil-water separator; 4, first connecting hose; 5, second connecting hose; 6, air inlet pipe; 7, first valve; 8, L-shaped air supply pipe; 9, branch pipe; 10, second valve; 11, bamboo joint bellows; 12, air outlet cover; 13, air outlet; 14, dust filter screen. DETAILED DESCRIPTION

[0014] Please refer to Figs. 1-2 A heat dissipation type power distribution cabinet of a crown block tool trolley, comprising a power distribution cabinet body 1, an air outlet 13 arranged on one side of the power distribution cabinet body 1, and an air handling intake assembly 2 arranged on the other side of the power distribution cabinet body 1, an L-shaped air supply pipe 8 arranged on the inner wall side and top of the power distribution cabinet body 1, and a plurality of folding air blowing units communicated with the outer wall of the horizontal section of the L-shaped air supply pipe 8, the plurality of folding air blowing units being arranged at equal intervals along the outer wall of the horizontal section of the L-shaped air supply pipe 8, and the air handling intake assembly 2 penetrating through the power distribution cabinet body 1 and being communicated with the air inlet port of the L-shaped air supply pipe 8.

[0015] The folding air blowing unit comprises a branch pipe 9 communicated with the L-shaped air supply pipe 8, a second valve 10 mounted on the pipe section of the branch pipe 9, a bamboo joint bellows 11 communicated with one end of the branch pipe 9, and an air outlet cover 12 communicated with one end of the bamboo joint bellows 11. The second valve 10 can control the on-off and air flow of the branch pipe 9, so as to facilitate adjustment according to the actual heat dissipation demand of different areas in the power distribution cabinet body 1.

[0016] The bamboo joint bellows 11 can be freely bent, and the position and angle of the air outlet cover 12 are adjusted according to the actual layout of the electrical elements in the power distribution cabinet body 1, so as to realize targeted blowing of the easily heated elements at any height and any position, solve the problem that the local heating area cannot be covered by the traditional fixed air inlet, ensure rapid dissipation of heat, and reduce the risk of local overheating of the electrical elements. When the maintenance personnel perform maintenance work on the internal elements of the power distribution cabinet body 1, the bamboo joint bellows 11 can be bent and stored in the top of the power distribution cabinet body 1, so as to provide operation space for maintenance, avoid interference with the maintenance work, and improve the convenience of maintenance.

[0017] The air handling intake assembly 2 comprises an oil-water separator 3 mounted on the other side of the power distribution cabinet body 1, a first connecting hose 4 communicated with the air inlet port of the oil-water separator 3, a second connecting hose 5 communicated with the air outlet port of the oil-water separator 3, an air inlet pipe 6 communicated with one end of the second connecting hose 5, and a first valve 7 mounted on the pipe section of the air inlet pipe 6, one end of the air inlet pipe 6 penetrating through the power distribution cabinet body 1 and being communicated with one end of the L-shaped air supply pipe 8; the first connecting hose 4 is communicated with the air compressor of the crown block.

[0018] The oil-water separator 3 can intercept water in the compressed air output by the air compressor of the crown block, so as to avoid the humid air from entering the inside of the power distribution cabinet body 1. The risk of short circuit fault of the electrical elements caused by condensation and accumulation of water vapor is avoided, and the dry and clean operation environment in the power distribution cabinet body 1 is ensured. The first connecting hose 4 is connected with the air compressor, the existing air source of the crown block is utilized, and the cost of additional equipment investment is reduced; the cooperation of the second connecting hose 5, the air inlet pipe 6 and the L-shaped air supply pipe 8 ensures that the purified compressed air can be delivered to the inside of the power distribution cabinet body 1; and the first valve 7 can control the air inlet amount and the air flow on-off.

[0019] The inside of the air outlet 13 is provided with a dust filter net 14, so as to prevent the external dust from entering the inside of the power distribution cabinet body 1 and ensure the clean operation environment of the electrical elements in the cabinet.

[0020] Working process and principle: The compressed air output by the air compressor of the crown block enters the oil-water separator 3 through the first connecting hose 4, the water is intercepted to avoid the humid air from entering, the purified air enters the L-shaped air supply pipe 8 through the second connecting hose 5, the air inlet pipe 6 and the first valve 7 for controlling the air inlet amount and the on-off. The L-shaped air supply pipe 8 delivers the air to each folding air blowing unit, the second valve 10 controls the branch pipe 9 on-off and the air flow to adapt to the heat dissipation requirements of different areas. The bamboo joint bellows 11 can be freely bent, the position and angle of the air outlet cover 12 can be adjusted according to the layout of the electrical elements, and the targeted blowing of the easily heated elements is realized. During maintenance, the bamboo joint bellows 11 can be bent to the top to provide an operation space.

[0021] Finally, the hot air is discharged through the air outlet 13, and the dust filter net 14 in the air outlet 13 blocks the external dust, so as to ensure the clean operation environment of the electrical elements.

[0022] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A heat-dissipating power distribution cabinet of a crown block tool trolley, comprising a power distribution cabinet body (1) and an air outlet (13) arranged on one side of the power distribution cabinet body (1), characterized in that, Also include the air treatment air inlet assembly (2) is arranged in the other side of the power distribution cabinet body (1), L type air supply pipe (8) is arranged in the inner wall side and top of the power distribution cabinet body (1), a plurality of folding air blowing units are communicated with the outer wall of the horizontal section of L type air supply pipe (8), a plurality of the folding air blowing units are equidistantly arranged on the outer wall of the horizontal section of L type air supply pipe (8), the air treatment air inlet assembly (2) penetrates the power distribution cabinet body (1) and is communicated with the air inlet port of L type air supply pipe (8).

2. The heat dissipating power distribution cabinet of claim 1, wherein, The folding air blowing unit includes a branch pipe (9) communicated with the L type air supply pipe (8), a second valve (10) arranged on the pipe section of the branch pipe (9), a bamboo joint bellows (11) communicated with one end of the branch pipe (9), and an air outlet cover (12) communicated with one end of the bamboo joint bellows (11).

3. The heat dissipating power distribution cabinet of claim 1, wherein, The air treatment air inlet assembly (2) includes an oil-water separator (3) arranged on the other side of the power distribution cabinet body (1), a first connecting hose (4) communicated with the air inlet port of the oil-water separator (3), a second connecting hose (5) communicated with the air outlet port of the oil-water separator (3), an air inlet pipe (6) communicated with one end of the second connecting hose (5), and a first valve (7) arranged on the pipe section of the air inlet pipe (6), one end of the air inlet pipe (6) penetrates the power distribution cabinet body (1) and is communicated with one end of the L type air supply pipe (8).

4. The heat dissipating power distribution cabinet of claim 1, wherein, The inside of the air outlet (13) is provided with a dust filter screen (14).

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