CN221009616U - Medium-voltage ring network switch equipment with energy-saving and heat-dissipation functions - Google Patents

Abstract

The utility model discloses medium-voltage ring network switch equipment with energy-saving and heat-dissipation functions, which comprises a cabinet body, a side plate arranged on the cabinet body and a temperature sensor arranged on the top of the cabinet body, wherein a sealing plate is arranged in the cabinet body, the sealing plate is fixedly connected with the side plate and a frame of the cabinet body, a cavity is formed with the bottom of the cabinet body, the side plate is provided with a first cavity, the first cavity is provided with a plurality of first air inlets and is communicated with the cavity, the first cavity is provided with a fin group and is positioned at an outlet of the first air inlet, the first cavity is provided with an end cover, and the end cover is provided with a plurality of air outlets. The utility model utilizes the chimney effect to generate self-sucking effect, reduces the long-term use of the radiator, saves electricity consumption, improves the air flow velocity in the first concave cavity through the radiator, enhances the air convection effect on the surface of the fin, improves the heat exchange efficiency, and ensures that the product has the advantages of energy conservation, high safety, good heat dissipation effect and the like.

Description

Medium-voltage ring network switch equipment with energy-saving and heat-dissipation functions

Technical Field

The utility model relates to the technical field of switching equipment, in particular to medium-voltage ring network switching equipment with energy-saving and heat-dissipation functions.

Background

The medium voltage is a voltage grade of more than 1000V and less than 40.5kV, and the medium voltage ring network switch equipment comprises a disconnecting switch, a load switch, a circuit breaker, a contactor, a grounding switch and the like, is used for switching load current, switching off short-circuit current and transformer no-load current, has control and protection functions on charging current of an overhead line and a cable line at a certain distance, is important switch equipment for ring network power supply and terminal power supply, and is widely used for urban power grid construction and transformation engineering, industrial and mining enterprises and public institutions, buildings, public facilities and the like. The ring network power supply unit is used as a ring network power supply unit and terminal equipment, and plays roles in distributing and controlling electric energy and protecting electric equipment.

Along with the gradual development of the medium-voltage ring network switch equipment towards the directions of miniaturization, high performance, intellectualization and the like, the internal circuits and electronic equipment are gradually increased, and in order to maintain the internal temperature rise of the medium-voltage ring network switch equipment in a relatively stable range, a plurality of radiators or cooling equipment are usually required to radiate the internal parts of the medium-voltage ring network switch equipment, but the medium-voltage ring network switch equipment greatly occupies the running load in the circuits, so that the circuits generate heat and scald, particularly in summer and in an ageing state, short circuit conditions are easy to occur, and circuit fires are caused. The inventors have thus devised an advantageous design to find a solution to the above-mentioned problems, and the technical solutions described below are created in this context.

Disclosure of Invention

The utility model aims to overcome the defects of the traditional medium-voltage ring network switch equipment design, and provides a product with energy conservation and good heat dissipation effect.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a medium voltage looped netowrk switchgear with energy-conserving radiating, includes the cabinet body, and sets up at the curb plate of the cabinet body, and set up the temperature sensor at cabinet body top, the cabinet is internal to be equipped with the closing plate, and fixed with the frame coupling of the curb plate, the cabinet body to form the cavity with cabinet body bottom, the curb plate is equipped with first cavity, first cavity is equipped with a plurality of first air intake, and communicates with the cavity, first cavity is equipped with the fin group, and is located the export of first air intake, first cavity is equipped with the end cover, the end cover is equipped with a plurality of air outlet, the surface of curb plate is equipped with the heat absorption coating, the cavity is equipped with a plurality of second air intake.

Preferably, the fin group is composed of a plurality of fins, and the fins are in vertical relation with the first air inlet.

Preferably, the shape of the fin is arranged in a step shape, and the highest height of the fin is arranged at the outlet of the first air inlet.

Preferably, the sealing plate is provided with an extension plate, the extension plate is fixedly connected with the side plate and the frame of the cabinet body, and the sealing plate is provided with a plurality of radiators and is positioned in the cavity.

Preferably, the side of cavity is equipped with movable through-hole, the both sides of movable through-hole are equipped with the guide rail, the guide rail is equipped with filtering component.

Preferably, the filter component comprises casing, preliminary filter screen, well effect filter screen, the casing sets up at the guide rail, and laminating second air intake, the inside second cavity that is equipped with of casing, the casing is equipped with the handle, and is located the both sides of second cavity, the top surface, the bottom surface of second cavity are equipped with a plurality of first ventilation hole, second ventilation hole, first ventilation hole sets up the air inlet department at the second air intake, preliminary filter screen sets up at the second cavity, and sets up the air inlet department at first ventilation hole, well effect filter screen sets up at the second cavity, and sets up the air outlet department at metal filter screen and set up the air inlet department at the second ventilation hole.

Preferably, the cabinet body is provided with a cabinet door, the cabinet door is provided with a controller and is connected with the radiator and the temperature sensor, and the bottom of the cabinet body is provided with supporting feet.

Preferably, the heat absorbing coating is provided as a radiant heat dissipating coating.

The beneficial effects are that:

compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, a chimney effect is utilized to generate self-sucking effect, as the temperature of the air outlet is lower than that of the fins and the first concave cavity, the density of hot air is lower than that of cold air, so that the hot air rises, the cold air descends, air flow is formed to generate self suction, the fresh air flows through the first vent hole through the second air inlet, and after large foreign matters of the air are filtered through the primary filter screen, the air continuously flows through the secondary filter screen, fine particles, impurities and the like in the air are filtered, finally, the air enters the cavity through the second vent hole and flows into the first concave cavity through the first air inlet and flows between the fins, the average temperature of the lower part at the height of the highest fin is reduced, and the lower part of the upper fin absorbs a large amount of heat, so that a thermal pressure difference and a heat exchange temperature difference are formed, and the larger the air flow speed is faster, so that the natural heat dissipation effect is enhanced, and the radiator is prevented from being in a long-term working state, so that the electric energy consumption is reduced.

(2) According to the utility model, the sealing plate is connected with the side plate, so that air can only pass through the first concave cavity and is discharged from the air outlet, the situation that when an electric fire disaster occurs in the cabinet body, the fire disaster is spread due to combustion supporting at high flow speed of the second air inlet is avoided, and the cabinet door and the side plate are not provided with other air inlet channels for the fire disaster, so that the fire disaster loses enough oxygen, the fire disaster is prevented from spreading rapidly, and the product has the effect of improving the safety.

(3) According to the utility model, the temperature sensor feeds back detected data to the controller in real time, when the temperature sensor detects that the temperature in the cabinet body exceeds 40 ℃ and is in a stage of gradual rising, in order to improve the heat exchange efficiency of the fins and the air circulation speed of the first cavity, the controller sends out instructions to enable a plurality of radiators to be started simultaneously, the operation power is adjusted to be 50%, the radiators operate to suck air inwards, so that the air circulation quantity passing through the second air inlet and the filter assembly is increased, and the air is infused into the first concave cavity through the first air inlet, so that the air flow rate passing through the fins is improved, and the heat exchange efficiency of the fins is improved; when the temperature sensor detects that the temperature in the cabinet body exceeds 60 ℃, the controller adjusts the running power of the radiator to 100%; when the temperature sensor detects that the temperature inside the cabinet body is in a descending trend, the controller can reduce the running power of the radiator by 15% according to the fact that the temperature inside the cabinet body is reduced by 5 ℃ every time, and when the temperature inside the cabinet body is at 30 ℃, the controller sends an instruction to enable the radiator to stop running, the air circulation speed and the heat exchange efficiency inside the first concave cavity and between the fins are further improved through the design, the service lives of the electrical equipment and the components are prolonged, and the product has the advantage of being good in heat dissipation effect.

Drawings

FIG. 1 is a schematic diagram of a medium voltage ring network switch device with energy saving and heat dissipation functions;

FIG. 2 is a schematic diagram of a side sectional structure of a medium voltage ring network switch device with energy saving and heat dissipation according to the present utility model;

fig. 3 is an enlarged view of a partial structure of detail a of the medium-voltage ring network switching device with energy-saving and heat-dissipating functions of the present utility model in fig. 2;

FIG. 4 is an exploded side panel view of a medium voltage ring network switchgear with energy saving and heat dissipation according to the present utility model;

FIG. 5 is an exploded view of a medium voltage ring network switchgear with energy saving and heat dissipation according to the present utility model;

FIG. 6 is an exploded view of a filter assembly of a medium voltage ring network switchgear with energy efficient heat dissipation according to the present utility model;

Fig. 7 is a schematic structural diagram of a heat absorbing coating of a medium voltage ring network switch device with energy saving and heat dissipation according to the present utility model;

The correspondence between the reference numerals and the component names in the drawings is as follows:

Reference numerals: 1. a cabinet body; 2. a side plate; 3. a temperature sensor; 4. a sealing plate; 5. a cavity; 6. a filter assembly; 7. a cabinet door; 8. a controller; 21. a first cavity; 22. a first air inlet; 23. a fin group; 24. an end cap; 25. an air outlet; 26. a heat absorbing coating; 27. supporting feet; 231. a fin; 41. an extension plate; 42. a heat sink; 51. a second air inlet; 52. a movable through hole; 53. a guide rail; 61. a housing; 62. a primary filter screen; 63. a medium-efficiency filter screen; 611. a second cavity; 612. a handle; 613. a first vent; 614. and a second ventilation hole.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 7, a medium voltage ring network switch device with energy saving and heat dissipation comprises a cabinet body 1, a side plate 2 arranged on the cabinet body 1, and a temperature sensor 3 arranged on the top of the cabinet body 1, wherein a sealing plate 4 is arranged inside the cabinet body 1 and is fixedly connected with the side plate 2 and a frame of the cabinet body 1, a cavity 5 is formed at the bottom of the cabinet body 1, the side plate 2 is provided with a first cavity 21, the first cavity 21 is provided with a plurality of first air inlets 22 and is communicated with the cavity 5, the first cavity 21 is provided with a fin group 23 and is positioned at an outlet of the first air inlet 22, the first cavity 21 is provided with an end cover 24, the end cover 24 is provided with a plurality of air outlets 25, the surface of the side plate 2 is provided with a heat absorption coating 26, and the cavity 5 is provided with a plurality of second air inlets 51;

It should be noted that, the fin group 23 is composed of a plurality of fins 231, the fins 231 are in a vertical relationship with the first air inlet 22, the plurality of fins 231 increase the heat absorption and heat exchange area, the vertical relationship is beneficial for air to pass between the fins 231 and take away the heat absorbed by the fins 231;

It should be noted that, the shape of the fin 231 is set to be a step, the highest height of the fin 231 is set at the outlet of the first air inlet 22, by changing the structural shape of the fin 231, the average temperature of the lower side at the height of the highest fin 231 is rapidly reduced, the higher side of the fin 231 absorbs a large amount of heat to form a heat pressure difference and a heat exchange temperature difference, and the temperature of the air outlet 25 is lower than the temperature of the fin 231, so that the air flow rate of the first cavity 21 is improved, and the heat dissipation effect is further enhanced;

It should be noted that the sealing plate 4 is provided with an extending plate 41, the extending plate 41 is fixedly connected with the side plate 2 and the frame of the cabinet body 1, the sealing plate 4 is provided with a plurality of radiators 42 and is positioned in the cavity 5, the extending plate 41 is favorable for welding, the extending plate 41 is tightly connected with the side plate 2 and the frame of the cabinet body 1, the sealing effect is improved, and the air flowing through the cavity 5 is ensured not to leak into the cabinet body 1;

It should be noted that the side surface of the cavity 5 is provided with a movable through hole 52, both sides of the movable through hole 52 are provided with guide rails 53, the guide rails 53 are provided with the filter assembly 6, the movable through hole 52 is convenient for replacing the filter assembly 6, and the guide rails 53 are convenient for an maintainer to take out the filter assembly 6;

It is worth mentioning that the filtering component 6 is composed of a shell 61, a primary filter screen 62 and a middle-effect filter screen 63, the shell 61 is arranged at the guide rail 53 and is attached to the second air inlet 51, a second concave cavity 611 is arranged in the shell 61, the shell 61 is provided with a handle 612 and is positioned at two sides of the second concave cavity 611, the top surface and the bottom surface of the second concave cavity 611 are provided with a plurality of first vent holes 613 and second vent holes 614, the first vent holes 613 are arranged at the air inlet of the second air inlet 51, the primary filter screen 62 is arranged at the second concave cavity 611 and is arranged at the air inlet of the first vent holes 613, the middle-effect filter screen 63 is arranged at the air outlet of the second concave cavity 611 and is arranged at the air inlet of the second vent holes 614, the shell 61 plays a role of bearing the primary filter screen 62 and the middle-effect filter screen 63, the handle 612 is convenient for a maintainer to take the shell 61, the second concave cavity 611 provides a containing space for the primary filter screen 62 and the middle-effect filter screen 63, the first vent holes 613 are convenient for the air of the second vent holes 51 to pass through, the primary filter screen 62 can be used for the purified air, the primary filter screen 62 can be used for filtering the metal filter screen 63, the medium filter screen has high-effect filter screen, high durability, long service life and long service life, and good durability;

It should be noted that the cabinet body 1 is provided with a cabinet door 7, the cabinet door 7 is provided with a controller 8 and is connected with the radiator 42 and the temperature sensor 3, the bottom of the cabinet body 1 is provided with a supporting leg 27, the controller 8 adjusts the running power of the radiator 42 through real-time feedback of the temperature sensor 3, so that the running load of occupied lines is reduced and electricity is saved, the supporting leg 27 increases the distance between the bottom of the cabinet body 1 and the ground, and air is convenient to enter the cavity 5 from the second air inlet 51;

It should be noted that, the heat absorbing coating 26 is a radiation heat dissipating coating, and after the radiation heat dissipating coating forms a film, the radiation structure unit is macroscopically smooth and microscopically wavy, so that the heat dissipating area and the conductivity can be increased, and the heat exchanging effect is improved.

The principle of use of the utility model will now be described as follows:

Example 1

When the temperature sensor 3 measures that the temperature inside the cabinet body 1 is between minus 25 ℃ and 40 ℃, the controller 8 does not send an instruction to the radiator 42, at this time, the cabinet body 1 utilizes the chimney effect to generate self-sucking action, the heat absorption coating 26 conducts heat dissipating inside the cabinet body 1 to the fins 231, the fins 231 are heated up to heat the inside of the first concave cavity 21, at this time, the temperature of the air outlet 25 is lower than the temperature of the fins 231 and the first concave cavity 21, the density of hot air is lower than that of cold air, so that the hot air rises, the cold air falls, self-absorption is generated when the air flows, the fresh air flows through the first vent 613 through the second air inlet 51 by suction, and after large foreign matters of the air are filtered out through the primary filter screen 62, the air continues to flow through the secondary filter screen 63, fine particles, impurities and the like in the air are filtered out, finally, the heat dissipating coating enters the cavity 5 through the second vent 614, and enters the first concave cavity 21 through the first air inlet 22, and flows between the fins 231, the average temperature of the lower than the height of the fins 231 is lowered, the temperature of the upper side is lower than the temperature of the fins 231, the heat dissipating effect is lowered, the temperature difference is formed when the temperature difference is larger than the heat dissipating heat of the fins is higher, the heat dissipating effect is reached, the heat is increased, and the temperature difference is increased, the temperature difference is reached, and the temperature difference is increased, and the air is better is achieved by the temperature difference and the temperature difference is achieved, and the temperature is better and the temperature is cooled.

Example 2

When the temperature sensor 3 detects that the temperature inside the cabinet body 1 exceeds 40 ℃ and is in a gradually rising stage, in order to improve the heat exchange efficiency of the fins 231 and the air circulation speed of the first cavity 5, the controller 8 sends out a command to enable the plurality of radiators 42 to be started simultaneously, the operation power is adjusted to be 50%, the radiators 42 operate to suck air inwards, so that the air circulation quantity passing through the second air inlet 51 and the filter assembly 6 is increased, and the air is infused into the first cavity 21 through the first air inlet 22, so that the air flow speed passing through the fins 231 is improved, and the heat exchange efficiency of the fins 231 is improved;

When the temperature sensor 3 detects that the temperature inside the cabinet 1 exceeds 60 ℃, the controller 8 adjusts the operating power of the radiator 42 to 100%;

When the temperature sensor 3 detects that the internal temperature of the cabinet body 1 is in a decreasing trend, the controller 8 can reduce the operating power of the radiator 42 by 15% according to every 5 ℃ reduction of the internal temperature of the cabinet body 1 until the internal temperature of the cabinet body 1 is at 30 ℃, and the controller 8 sends an instruction to stop the radiator 42.

Through the design scheme, the product has the advantages of energy conservation, high safety and good heat dissipation effect.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (8)

1. The utility model provides a medium voltage looped netowrk switchgear with energy-conserving heat dissipation, includes cabinet body (1), and set up curb plate (2) at cabinet body (1), and set up temperature sensor (3) at cabinet body (1) top, its characterized in that: the novel heat-absorbing cabinet is characterized in that a sealing plate (4) is arranged inside the cabinet body (1), the sealing plate is fixedly connected with a side plate (2) and a frame of the cabinet body (1), a cavity (5) is formed in the bottom of the cabinet body (1), the side plate (2) is provided with a first concave cavity (21), the first concave cavity (21) is provided with a plurality of first air inlets (22) and communicated with the cavity (5), the first concave cavity (21) is provided with a fin group (23), and is located an outlet of the first air inlets (22), the first concave cavity (21) is provided with an end cover (24), the end cover (24) is provided with a plurality of air outlets (25), the surface of the side plate (2) is provided with a heat-absorbing coating (26), and the cavity (5) is provided with a plurality of second air inlets (51).

2. The medium voltage ring network switching device with energy saving and heat dissipation according to claim 1, wherein: the fin group (23) is composed of a plurality of fins (231), and the fins (231) are in vertical relation with the first air inlet (22).

3. The medium voltage ring network switching device with energy saving and heat dissipation according to claim 2, wherein: the fin (231) is arranged in a stepped shape, and the highest height of the fin (231) is arranged at the outlet of the first air inlet (22).

4. The medium voltage ring network switching device with energy saving and heat dissipation according to claim 1, wherein: the sealing plate (4) is provided with an extension plate (41), the extension plate (41) is fixedly connected with the side plate (2) and the frame of the cabinet body (1), and the sealing plate (4) is provided with a plurality of radiators (42) and is positioned in the cavity (5).

5. The medium voltage ring network switching device with energy saving and heat dissipation of claim 4, wherein: the side of cavity (5) is equipped with movable through-hole (52), the both sides of movable through-hole (52) are equipped with guide rail (53), guide rail (53) are equipped with filter component (6).

6. The medium voltage ring network switching device with energy saving and heat dissipation of claim 5, wherein: the utility model discloses a filter unit, including filter unit (6), filter unit (62) and filter unit (63) are formed by casing (61), elementary filter screen (62), elementary filter screen (63), casing (61) set up in guide rail (53), and laminating second air intake (51), casing (61) inside is equipped with second cavity (611), casing (61) are equipped with handle (612), and are located the both sides of second cavity (611), the top surface, the bottom surface of second cavity (611) are equipped with a plurality of first ventilation hole (613), second ventilation hole (614), first ventilation hole (613) set up the air inlet department at second air intake (51), elementary filter screen (62) set up in second cavity (611), and set up the air inlet department at first ventilation hole (613), elementary filter screen (63) set up in second cavity (611), and set up the air outlet department at metal filter screen and set up the air inlet department at second ventilation hole (614).

7. The medium voltage ring network switching device with energy saving and heat dissipation of claim 6, wherein the medium voltage ring network switching device comprises a plurality of power converters; the novel intelligent cabinet is characterized in that the cabinet body (1) is provided with a cabinet door (7), the cabinet door (7) is provided with a controller (8) and is connected with a radiator (42) and a temperature sensor (3), and supporting feet (27) are arranged at the bottom of the cabinet body (1).

8. The medium voltage ring network switching device with energy saving and heat dissipation according to claim 1, wherein: the heat absorbing coating (26) is provided as a radiant heat dissipating coating.