CN218783443U

CN218783443U - Low-voltage fixed switch cabinet

Info

Publication number: CN218783443U
Application number: CN202223216143.5U
Authority: CN
Inventors: 季楷茗; 谭兴忠; 吴玉春; 零忠勤
Original assignee: Shanghai Junqi Electric Co ltd
Current assignee: Shanghai Junqi Electric Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-31
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to a fixed cubical switchboard of low pressure, including the cabinet body and the radiator unit who is located cabinet body lateral surface, the top of the cabinet body is equipped with the air outlet, the bottom of the cabinet body is equipped with the air intake, radiator unit includes first trachea, second trachea, cold water storage cistern and fan, the cold water storage cistern install in one side of the cabinet body, the cold water storage cistern is external to have inlet tube and outlet pipe, first trachea is located the cold water storage cistern and vertical spiral arranges the setting, first tracheal upper end with the air-out end intercommunication of fan, first tracheal lower extreme is fixed in the bottom of cold water storage cistern, just first tracheal lower extreme pass through the second trachea with the air intake intercommunication. This application is through the cold water storage cistern to cool off the air in the first trachea, thereby reduce the internal circulating air's of cabinet temperature, with improve the heat exchange effect, and then improve the radiating effect to the cubical switchboard.

Description

Low-voltage fixed switch cabinet

Technical Field

The application relates to the field of switch cabinets, in particular to a low-voltage fixed switch cabinet.

Background

The low-voltage fixed switch cabinet is mainly used for opening and closing, controlling and protecting electric equipment in the process of generating electricity, transmitting electricity, distributing electricity and converting electric energy of an electric power system.

Cubical switchboard produces a large amount of heats at the work for inside temperature uprises, consequently, often sets up air outlet and air intake respectively in the top and the bottom of cubical switchboard, and the hot-air in the cubical switchboard will rise, discharges through the air outlet, and outside air then gets into from the air intake, forms the air flow, in order to realize the heat dissipation.

However, when the temperature of the outside air is high, it is difficult to drive the heat in the switch cabinet by the heat exchange.

SUMMERY OF THE UTILITY MODEL

In order to improve the radiating effect, this application provides a fixed cubical switchboard of low pressure.

The application provides a pair of fixed cubical switchboard of low pressure adopts following technical scheme:

the utility model provides a fixed cubical switchboard of low pressure, includes the cabinet body and is located the radiator unit of cabinet body lateral surface, the top of the cabinet body is equipped with the air outlet, the bottom of the cabinet body is equipped with the air intake, radiator unit includes first trachea, second trachea, cold water storage cistern and fan, the cold water storage cistern install in one side of the cabinet body, the cold water storage cistern is external to have inlet tube and outlet pipe, first trachea is located the cold water storage cistern and vertical spiral arranges the setting, first tracheal upper end with the air-out end intercommunication of fan, first tracheal lower extreme is fixed in the bottom of cold water storage cistern, just first tracheal lower extreme pass through the second trachea with the air intake intercommunication.

Through adopting above-mentioned technical scheme, one comes, through setting up the fan to accelerate the velocity of flow of outside air, with the internal circulation of air speed of improvement cabinet, take away the internal heat of cabinet with the utmost point fast.

Secondly, through the cold water storage cistern to cool off the air in the first air pipe, thereby reduce the internal circulating air's of cabinet temperature, in order to improve heat exchange effect, and then improve the radiating effect to the cubical switchboard.

And thirdly, the first air pipe is spirally arranged, so that the residence time of the external air in the first air pipe is prolonged, the heat exchange time of the external air with the cold water in the cold water tank is prolonged by virtue of the first air pipe, and the external air is effectively cooled.

Optionally, the air inlet end of the fan is provided with a filter screen.

Through adopting above-mentioned technical scheme, the filter screen can filter outside air to reduce the internal dust of cabinet.

Optionally, the air outlet is provided in plurality, and the air inlet is a louver hole.

Through adopting above-mentioned technical scheme, the tripe hole can enough ensure the internal air escape of cabinet, can reduce the probability that the ash that falls among the external environment got into the cabinet again to ensure the internal cleanness of cabinet.

Optionally, the number of the heat dissipation assemblies is two, and the two heat dissipation assemblies are respectively located on two sides of the cabinet body.

Through adopting above-mentioned technical scheme, can greatly improve the radiating effect to the cabinet body.

Optionally, the air outlet end of the second air pipe is inclined upwards, and the air outlet ends of the second air pipes of the two heat dissipation assemblies are inclined towards the center of the cabinet body.

By adopting the technical scheme, the two cold air flows are intersected and then begin to diffuse at the bottom of the cabinet body, and the hot air in the cabinet body can be gradually upwards extruded and discharged along with the accumulation and diffusion of the cold air flows, so that the time of the cold air flows in the cabinet body is greatly prolonged, the heat exchange time of the cold air flows and the electric appliance elements in the cabinet body is prolonged, the heat can be effectively taken away, and the heat dissipation effect is improved.

Optionally, the air inlet is provided with a louver plate, and outlet ends of the louver plates of the two air inlets are arranged oppositely.

By adopting the technical scheme, the louver board can control the flow direction of the cold air flow, so that the two cold air flows collide with each other, the moving-up time of the cold air flow is greatly reduced, the time of the cold air flow in the cabinet body is greatly prolonged, the heat exchange time of the cold air flow and the electric appliance element in the cabinet body is prolonged, the heat can be effectively taken away, and the heat dissipation effect is improved.

Optionally, be located the width direction both sides of the cabinet body the exit end orientation of tripe hole is opposite, the top of the cabinet body can be dismantled and be equipped with the cover body, each tripe hole is covered simultaneously to the cover body, the cover body through the connecting pipe with the air inlet end intercommunication of fan.

Through adopting above-mentioned technical scheme, when the interior dust of outside air is too much, can install the cover body and connecting pipe for the internal exhaust air of cabinet can loop through in the cover body, the connecting pipe enters the fan, in order to realize the inner loop, thereby avoids introducing outside air, can compromise the internal air circulation heat dissipation of cabinet again.

Optionally, the first air pipe is a copper pipe, and a copper fin is fixed on the surface of the first air pipe.

Through adopting above-mentioned technical scheme, can improve the efficiency of heat exchange.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the air in the first air pipe is cooled through the cold water tank, so that the temperature of circulating air in the cabinet body is reduced, the heat exchange effect is improved, and the heat dissipation effect on the switch cabinet is further improved;

2. through setting up the air-out direction of two second tracheas for two cold air flows will form and intersect, then will begin the diffusion in the bottom of the cabinet body, with progressively upwards extrude the internal hot-air of discharge cabinet, make cold air flow and the internal electrical components's of cabinet heat exchange time extension, thereby can effectively take away the heat more, improve the radiating effect.

Drawings

Fig. 1 is a sectional view of the entire structure of embodiment 1.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a sectional view of the entire structure of embodiment 2.

Description of reference numerals: 1. a cabinet body; 2. a heat dissipating component; 11. a louver hole; 12. an air inlet; 13. a louvered plate; 21. a first air pipe; 211. copper fins; 22. a second air pipe; 23. a cold water tank; 231. a water inlet pipe; 232. a water outlet pipe; 24. a fan; 31. a cover body; 32. and (4) connecting the pipes.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment 1 of the application discloses a low-voltage fixed switch cabinet.

As shown in fig. 1 and 2, the low-voltage fixed switch cabinet includes a cabinet body 1 and a heat dissipation assembly 2, the cabinet body 1 is of a square structure, a plurality of air outlets are arranged at the top of the cabinet body 1, the air outlets are arranged at intervals along the width direction of the cabinet body 1, and an air inlet 12 is a louver hole 11. The bottom of the cabinet body 1 is provided with two air inlets 12, the air inlets 12 are internally provided with a blind hole plate 13, and the outlet ends of the blind hole plates 13 of the two air inlets 12 are oppositely arranged.

The number of the heat dissipation assemblies 2 is two, and the two heat dissipation assemblies 2 are respectively located on two sides of the cabinet body 1. The heat dissipation assembly 2 comprises a first air pipe 21, a second air pipe 22, a cold water tank 23 and a fan 24, the cold water tank 23 is installed on one side of the cabinet body 1, the cold water tank 23 is externally connected with an inlet pipe 231 and an outlet pipe 232, the inlet pipe 231 is located at the upper end of the cold water tank 23, and the outlet pipe 232 is located at the lower end of the cold water tank 23, so that circulating cold water is provided in the cold water tank 23.

First trachea 21 is the copper pipe, first trachea 21 is located cold water storage cistern 23 and vertical spiral arranges the setting, first trachea 21's fixed surface has copper fin 211, cold water storage cistern 23 is passed and is fixed with cold water storage cistern 23 to first trachea 21's upper end, and fan 24 is fixed in the outer wall of cold water storage cistern 23, fan 24's air-out end and first trachea 21's upper port intercommunication, in order to introduce outside air in first trachea 21, and, fan 24's air inlet end is equipped with filter screen (not shown in the figure), in order to carry out the dust filtration to outside air, in order to reduce the dust in the cabinet body 1.

The lower extreme of first trachea 21 passes cold water tank 23 and is fixed with cold water tank 23, and the one end of second trachea 22 is fixed with the lower port of first trachea 21 volume, and the other end of second trachea 22 is connected fixedly with the air intake 12 of the cabinet body 1 to, the slope of air-out end upwards sets up, and the slope of air-out end of the second trachea 22 of two radiator unit 2 is towards the center of the cabinet body 1.

During the use, through fan 24, in introducing first trachea 21 with the outside air, then through the circulation cold water in the cold water tank 23, in order to cool off the air in the first trachea 21, in order to make the air in the first trachea 21 become the cold air, then this cold air passes through second trachea 22 and gets into in the cabinet body 1, in the meantime, because two second trachea 22's air-out direction sets up relatively, make two cold air streams to form and intersect, then will begin the diffusion in the bottom of the cabinet body 1, with the interior hot-air of the cabinet body 1 of upwards extrusion discharge gradually, thereby can effectively take away the heat more, and the heat dissipation effect is improved.

Example 2

Embodiment 2 differs from embodiment 1 in that, as shown in fig. 3, the outlet ends of the louver holes 11 on both sides in the width direction of the cabinet 1 are directed oppositely. The top of the cabinet body 1 can be dismantled and be equipped with the square cover body 31, and each tripe hole 11 is covered simultaneously to the square cover body 31, and the dismantlement connected mode between the cover body 31 and the cabinet body 1 top can be for magnetism to inhale connection, flange joint, joint etc..

Connecting pipes 32 are installed on two sides of the cover body 31, the connecting pipes 32 are corrugated pipes, the other ends of the connecting pipes 32 are detachably connected with the air inlet end of the fan 24, and the connecting mode can be detached and connected by magnetic attraction, flange connection, clamping connection and the like.

When the dust is too much in the outside air, the cover body 31 and the connecting pipe 32 can be installed, so that the air exhausted from the cabinet body 1 can sequentially pass through the cover body 31 and the connecting pipe 32 to enter the fan 24, internal circulation is realized, the outside air is prevented from being introduced, and the air circulation heat dissipation in the cabinet body 1 can be considered.

And, the exit end of the tripe hole 11 of both sides is opposite, therefore the interior exhaust hot-air of the cabinet body 1 will not intersect the collision each other to reduce the formation of vortex, so that exhaust air can get into in fan 24 and the first trachea 21 fast, thereby improve discharge efficiency.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A fixed cubical switchboard of low pressure which characterized in that: including the cabinet body (1) and radiator unit (2) that are located cabinet body (1) lateral surface, the top of the cabinet body (1) is equipped with the air outlet, the bottom of the cabinet body (1) is equipped with air intake (12), radiator unit (2) are including first trachea (21), second trachea (22), cold water tank (23) and fan (24), cold water tank (23) install in one side of the cabinet body (1), cold water tank (23) are external to have inlet tube (231) and outlet pipe (232), first trachea (21) are located cold water tank (23) and vertical spiral and arrange the setting, the upper end of first trachea (21) with the air-out end intercommunication of fan (24), the lower extreme of first trachea (21) is fixed in the bottom of cold water tank (23), just the lower extreme of first trachea (21) pass through second trachea (22) with air intake (12) intercommunication.

2. A low-voltage fixed switchgear, according to claim 1, characterized in that: and a filter screen is arranged at the air inlet end of the fan (24).

3. A low-voltage fixed switchgear, according to claim 1, characterized in that: the air outlets are multiple, and the air inlets (12) are louver holes (11).

4. A low-voltage fixed switchgear according to claim 3, characterized in that: the two heat dissipation assemblies (2) are arranged, and the two heat dissipation assemblies (2) are respectively located on two sides of the cabinet body (1).

5. The fixed low voltage switchgear according to claim 4, characterized in that: the air outlet end of the second air pipe (22) is inclined upwards, and the air outlet ends of the second air pipes (22) of the two heat dissipation assemblies (2) are inclined towards the center of the cabinet body (1).

6. A low-voltage fixed switchgear according to claim 4 or 5, characterized in that: the air inlets (12) are provided with louver plates (13), and outlet ends of the louver plates (13) of the two air inlets (12) are arranged oppositely.

7. The fixed low voltage switchgear according to claim 4, characterized in that: be located the width direction both sides of the cabinet body (1) the exit end orientation of tripe hole (11) is opposite, the top of the cabinet body (1) can be dismantled and be equipped with the cover body (31), each tripe hole (11) are covered simultaneously in the cover body (31), the cover body (31) through connecting pipe (32) with the air inlet end intercommunication of fan (24).

8. A low-voltage fixed switchgear, according to claim 1, characterized in that: the first air pipe (21) is a copper pipe, and a copper fin (211) is fixed on the surface of the first air pipe (21).