CN216647988U

CN216647988U - Ventilation structure of parallel reactor box shell

Info

Publication number: CN216647988U
Application number: CN202122940697.9U
Authority: CN
Inventors: 谢劲松; 潘镇滨; 王辉
Original assignee: Ningbo Ningbian Power Technology Co ltd
Current assignee: Ningbo Ningbian Power Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-31
Anticipated expiration: 2031-11-26

Abstract

The utility model provides a ventilation structure of a parallel reactor box shell, belonging to the technical field of parallel reactors and comprising the following steps: a case provided with an accommodation chamber; the top cover is connected with the box body and covers the opening of the box body, an airflow channel is arranged between the top cover and the box body, an inlet of the airflow channel is communicated with the opening of the box body, an outlet of the airflow channel is used for being communicated with the outside, and the accommodating cavity can discharge hot air through the outlet of the airflow channel. The utility model has the beneficial effects that: the semi-closed box body is convenient to ventilate, the airflow channel is arranged between the top cover and the box body, when air around the reactor is heated, the air can expand and rise, the air automatically passes through the opening of the box body and the inlet of the airflow channel, and the hot air can be discharged through the outlet of the airflow channel, so that the semi-closed box body has good ventilation and heat dissipation performance.

Description

Ventilation structure of parallel reactor box shell

Technical Field

The utility model belongs to the technical field of shunt reactors and relates to a box shell ventilation structure of a shunt reactor.

Background

The shunt reactor is generally connected between the tail end of an extra-high voltage transmission line and the ground to play a role in reactive compensation, and the extra-high voltage large shunt reactor is formed by installing a coil with a certain number of turns designed according to the power in a use field and then pouring and fixing the coil with cement, and is used after being connected with a line through a porcelain insulator.

The small reactors used in the switching stations are used indoors and need to be installed in a power distribution room, so that the small reactors have a box shell structure, some shunt reactors consist of coils, magnetic cores, square box-shaped shells and sealing resin parts, the sealing resin parts are filled in the assemblies containing the coils and the magnetic cores in the shells, totally-enclosed boxes are generally adopted, and the enclosed boxes are often lack of ventilation structures, so that the ventilation and heat dissipation functions are poor.

For example, a utility model patent with application number CN201921457756.3 provides a high-voltage low-noise shunt reactor, including installation base (1), shell (3), honeycomb panel (4), cold water pipe (5), spout (6), backup pad (7), buffer spacer (8), reactor body (9) and terminal (10), its characterized in that: honeycomb panel (4) left side and cold water pipe (5) right side fixed connection, honeycomb panel (4) left side and spout (6) right side fixed connection, spout (6) left side and backup pad (7) right side swing joint, backup pad (7) bottom and buffer pad (8) top fixed connection, buffer pad (8) bottom and spout (6) inner wall bottom fixed connection, backup pad (7) top and reactor body (9) bottom fixed connection, reactor body (9) top and terminal (10) bottom fixed connection, terminal (10) top is run through shell (3) top and is extended to its outside.

To sum up, although some technical scheme that have now can make pivot bottom and limiting plate separation through the knob that sets up, have solved the difficult problem of shell dismouting, nevertheless because it is closed case shell, lack ventilation structure, still have the poor problem of radiating effect, have great improvement space.

Disclosure of Invention

The utility model aims to provide a parallel reactor box shell ventilation structure aiming at the problems in the prior art.

The purpose of the utility model can be realized by the following technical scheme:

a shunt reactor tank enclosure ventilation structure comprising:

a case provided with an accommodation chamber; the top cover is connected with the box body and covers the opening of the box body, an airflow channel is arranged between the top cover and the box body, an inlet of the airflow channel is communicated with the opening of the box body, an outlet of the airflow channel is used for being communicated with the outside, and the accommodating cavity can discharge hot air through the outlet of the airflow channel.

Preferably, the reactor further comprises a reactor, the accommodating cavity comprises a first cavity and a second cavity, the second cavity is communicated with the first cavity, the reactor is arranged in the first cavity, the reactor is provided with an air duct and a first fan, an inlet of the air duct faces the first fan, and an outlet of the air duct faces the second cavity.

Preferably, the box body is further provided with a second fan, the second fan is located between the second cavity and the airflow channel, and the second fan can drive air to move from the second cavity to the airflow channel.

Preferably, the box body is further provided with a ventilation grating close to the first cavity, and the accommodating cavity can be used for air intake through the ventilation grating.

Preferably, the first chamber is provided with a first baffle plate for restricting air from entering the second chamber.

Preferably, the second cavity is provided with a second partition plate for limiting air from entering the first cavity.

Preferably, the reactor is provided with a temperature controller.

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

1. the semi-closed box body is convenient to ventilate, the airflow channel is arranged between the top cover and the box body, when air around the reactor is heated, the air can expand and rise, the air automatically passes through the opening of the box body and the inlet of the airflow channel, and the hot air can be discharged through the outlet of the airflow channel, so that the semi-closed box body has good ventilation and heat dissipation performance.

2. The first fan is actually a fan carried by the reactor, the air channel is actually a channel formed by gaps among the three coils, and the first fan can drive air to move from the bottom of the coil to the top of the coil through the air channel so as to take away heat of the coil.

3. The first fan is actually the fan of reactor from taking, and the wind channel is the passageway that the space formed between the three coil actually, and the quantity of first fan is six, and six first fans set up in the bottom of coil, and six first fans can order about the air and pass through the wind channel from the bottom of coil and remove towards the top of coil to take away the heat of coil.

4. The receiving chamber is accessible through the ventilation grille, and the housing is accessible through the ventilation grille to cool air as the heated air is exhausted through the airflow passage.

5. The first partition plate can be a horizontally arranged plate-shaped structure, hot air at the bottom of the coil in the first cavity is concentrated together by the first partition plate, and the first fan is convenient to drive the air to move from the bottom of the coil to the top of the coil through the air channel.

6. The second partition board can be a vertically arranged board-shaped structure, and the second board concentrates the top of the coil and the hot air from the air channel together, so that the second fan drives the air to move from the second cavity to the air channel.

Drawings

FIG. 1 is a front view of the cabinet venting structure of the present invention.

FIG. 2 is a side view of the cabinet venting structure of the present invention.

FIG. 3 is a top view of the cabinet venting structure of the present invention.

FIG. 4 is a front view of the cabinet venting structure of the present invention in a venting condition.

FIG. 5 is a side view of the ventilation status of the cabinet ventilation structure of the present invention.

In the figure, 100, a box body; 110. a first cavity; 120. a second cavity; 200. a top cover; 300. an air flow channel; 400. a reactor; 410. an air duct; 420. a first fan; 500. a second fan; 600. a first separator; 700. a second separator; 800. and (7) a temperature controller.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 5, a shunt reactor case ventilation structure includes: a box body 100 and a top cover 200, wherein the box body 100 is provided with a containing cavity; a top cover 200 connected to the case 100 and covering the opening of the case 100, wherein an air flow channel 300 is disposed between the top cover 200 and the case 100, an inlet of the air flow channel 300 is communicated with the opening of the case 100, an outlet of the air flow channel 300 is used for communicating with the outside, and the receiving chamber can discharge hot air through the outlet of the air flow channel 300.

Specifically, the case 100 is a case in which the reactor 400 is installed, the case 100 is a semi-closed case and has an opening at the top, the top cover 200 covers the opening of the case 100, and the space between the top cover 200 and the case 100 forms the airflow passage 300.

The length of the top cover 200 is greater than that of the box 100, the part of the top cover 200, which exceeds the box 100, forms an outlet of the airflow channel 300, two outlets of the airflow channel 300 are respectively located at two sides of the inlet, and in order to ensure the air outlet effect, the top cover 200 can be set to exceed the box 100 by a longer distance.

It should be noted that, since the air flow path 300 is opened at the top of the cabinet 100 instead of at the side of the cabinet 100, the density of the air expanded by heat is decreased and increased, and therefore, the air flow path 300 is opened at the top to discharge the hot air more easily, which is difficult to achieve if it is opened at the side of the cabinet 100.

In this embodiment, the semi-enclosed case 100 is easy to ventilate, the airflow channel 300 is provided between the top cover 200 and the case 100, and when air around the reactor 400 expands due to heat, the air automatically passes through the opening of the case 100 and the inlet of the airflow channel 300, and the case 100 can discharge hot air through the outlet of the airflow channel 300, thereby having good ventilation and heat dissipation.

As shown in fig. 1, 2, and 3, in addition to the above embodiments, the reactor 400 is further included, the accommodating chamber includes a first chamber 110 and a second chamber 120, the second chamber 120 is communicated with the first chamber 110, the reactor 400 is disposed in the first chamber 110, the reactor 400 is provided with an air duct 410 and a first fan 420, an inlet of the air duct 410 faces the first fan 420, and an outlet of the air duct 410 faces the second chamber 120.

Specifically, the first cavity 110 refers to a cavity containing portion in which the reactor 400 is installed, and the second cavity 120 refers to a cavity containing portion above the cavity.

In this embodiment, the reactor 400 actually includes three coils, the first fan 420 is actually a fan carried by the reactor 400, the air duct 410 is actually a channel formed by gaps among the three coils, the number of the first fans 420 is six, six first fans 420 are disposed at the bottom of the coils, and the six first fans 420 can drive air to move from the bottom of the coils to the top of the coils through the air duct 410, so as to take away heat of the coils.

As shown in fig. 1, 2 and 3, in addition to the above embodiments, the box 100 is further provided with a second fan 500, the second fan 500 is located between the second cavity 120 and the airflow channel 300, and the second fan 500 can drive air to move from the second cavity 120 to the airflow channel 300.

In this embodiment, when the first fan 420 drives the air to move from the bottom of the coil to the top of the coil through the air channel 410, the second fan 500 can drive the air to move from the second cavity 120 to the air channel 300, so as to draw the hot air away, thereby greatly improving the heat dissipation efficiency. Further, the number of the second fans 500 can be set to be two, and the two fans work simultaneously to accelerate the heat dissipation efficiency.

As shown in fig. 1 and 2, in addition to the above embodiments, the box 100 is further provided with a ventilation grille (not shown) near the first cavity 110, and the accommodating cavity can be accessed through the ventilation grille.

In the present embodiment, the receiving chamber may be introduced through a ventilation grill through which the cabinet 100 enters cold air when hot air is discharged through the air flow path 300.

As shown in fig. 1 and 2, in addition to the above embodiments, the first chamber 110 is provided with a first partition 600 for limiting air from entering the second chamber 120.

In this embodiment, the first partition 600 may be a horizontally disposed plate-shaped structure, and the first partition 600 collects the hot air at the bottom of the coil in the first cavity 110, so that the first fan 420 drives the air to move from the bottom of the coil to the top of the coil through the air duct 410.

As shown in fig. 1 and 2, in addition to the above embodiment, the second chamber 120 is provided with a second partition 700 for limiting air from entering the first chamber 110.

In this embodiment, the second partition 700 may be a vertically disposed plate structure, and the second plate collects the top of the coil and the hot air passing through the air duct 410, so that the second fan 500 drives the air to move from the second chamber 120 to the air flow path 300.

As shown in fig. 1 and 4, in addition to the above embodiment, the reactor 400 is provided with a temperature controller 800.

Specifically, the thermostat 800 is a technical means known to those skilled in the art, and refers to a series of automatic control elements that are physically deformed inside a switch according to a temperature change of a working environment, so as to generate some special effects and generate a turning-on or turning-off action.

In the present embodiment, the reactor 400 is provided with a temperature controller 800 capable of detecting the temperature of the reactor 400, and the second fan 500 is activated when the temperature of the reactor 400 reaches a first critical point, and the reactor 400 is controlled to be turned off when the temperature of the reactor 400 reaches a second critical point.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A shunt reactor case shell ventilation structure, comprising:

a case provided with an accommodation chamber;

the top cover is connected with the box body and covers the opening of the box body, an airflow channel is arranged between the top cover and the box body, an inlet of the airflow channel is communicated with the opening of the box body, an outlet of the airflow channel is used for being communicated with the outside, and the accommodating cavity can discharge hot air through the outlet of the airflow channel.

2. A shunt reactor case venting structure as recited in claim 1, wherein: the reactor is arranged in the first cavity, the reactor is provided with an air duct and a first fan, the inlet of the air duct faces towards the first fan, and the outlet of the air duct faces towards the second cavity.

3. A shunt reactor case venting structure as claimed in claim 2, wherein: the box still is provided with the second fan, the second fan is located the second cavity and between the air current passageway, the second fan can drive the air from the second cavity towards the air current passageway removes.

4. A shunt reactor case venting structure as claimed in claim 3, wherein: the box body is further provided with a ventilation grating close to the first cavity, and the accommodating cavity can be used for air intake through the ventilation grating.

5. A shunt reactor case venting structure as claimed in claim 3, wherein: the first cavity is provided with a first baffle plate for limiting air from entering the second cavity.

6. A shunt reactor case venting structure as recited in claim 5, wherein: the second cavity is provided with a second baffle plate for limiting air from entering the first cavity.

7. A shunt reactor case venting structure as set forth in claim 2, wherein: the reactor is provided with a temperature controller.