CN108288826A - A kind of outdoor ring main unit of air draft dehumidifying - Google Patents

Abstract

An outdoor ring network cabinet for wind and moisture removal of the present invention comprises a cabinet body, a base, and a cabinet top, the cabinet body is arranged on the base, and the cabinet top is arranged on the top of the cabinet body; The front end of the cabinet is provided with a cabinet door, and the cabinet door includes a front heat dissipation window; the rear end of the cabinet is provided with a rear heat dissipation window; the left end of the cabinet is provided with a first ventilation net; the cabinet The right end of the cabinet is provided with a second ventilation net; the upper end of the cabinet is provided with a third ventilation net; the position of the first ventilation net corresponds to the position of the second ventilation net; a controller is provided in the cabinet. The advantage is that, except for the lower end surface of the cabinet, the other surfaces are equipped with openable and closed ventilation devices, which improves the performance of exhaust, heat, and moisture removal of the cabinet; The exhaust and heat dissipation efficiency of the body; each ventilation device is equipped with a filter screen to prevent foreign substances from entering the cabinet and affecting the operation stability of the electrical equipment in the cabinet.

Description

An outdoor ring network cabinet for exhausting wind and moisture

technical field

The invention relates to the technical field of ring network cabinets, in particular to an outdoor ring network cabinet for exhausting wind and removing moisture.

Background technique

The ring network cabinet is a group of transmission and distribution electrical equipment (high-voltage switchgear) installed in a metal or non-metal insulated cabinet or made into an assembled interval ring network power supply unit. Its core part uses load switches and fuses. It has a structure Simple, small size, low price, can improve power supply parameters and performance, and power supply security and other advantages. It is widely used in distribution stations and box-type substations of load centers such as urban residential quarters, high-rise buildings, large public buildings, factories and enterprises.

When the existing ring main unit is in use, a large amount of heat will be generated inside the ring main unit due to self-energization and high-temperature radiation, and poor heat dissipation will cause the ring main unit to spontaneously ignite or short circuit. In addition, the existing ring main unit cannot effectively reduce the humidity inside the ring main unit, resulting in excessively high humidity inside the cabinet and affecting the normal operation of electrical equipment.

Therefore, there is an urgent need for an outdoor ring main unit that can effectively improve the heat dissipation and dehumidification performance of the ring main unit, adapt to various climatic conditions, and operate stably.

Contents of the invention

The object of the present invention is to provide an outdoor ring network cabinet for exhausting wind and damp in view of the deficiencies in the prior art.

For realizing above-mentioned object, the technical scheme that the present invention takes is:

An outdoor ring network cabinet for wind and moisture removal, comprising a cabinet body, a base, and a cabinet top, the cabinet body is arranged on the base, the cabinet top is arranged on the top of the cabinet body, and the cabinet top and Pillars are arranged between the tops of the cabinets;

The cross-section of the cabinet top is arc-shaped, and the left and right sides of the cabinet top are extended outwards with first folded edges, and an obtuse angle is formed between the first folded edges and the lower end surface of the cabinet top, The top of the cabinet is provided with a plurality of ventilation holes;

The front end of the cabinet body is provided with a cabinet door, the cabinet door includes a front heat dissipation window and a first motor, the front heat dissipation window is arranged on the upper part of the cabinet door, the first motor and the front heat dissipation window connected, the first motor drives the opening and closing of the front radiator window;

The rear end surface of the cabinet body is provided with a rear heat dissipation window, the position of the rear heat dissipation window corresponds to the position of the front heat dissipation window, the rear heat dissipation window is connected to a second motor, and the second motor drives the rear heat dissipation window Opening and closing;

The left end surface of the cabinet body is provided with a first ventilation net, the outside of the first ventilation net is provided with a first filter net, and the inside of the first ventilation net is provided with a first electric door;

The right end surface of the cabinet body is provided with a second ventilation net, the outside of the second ventilation net is provided with a second filter net, and the inside of the second ventilation net is provided with a second electric door;

The upper end surface of the cabinet is provided with a third ventilation net, the outside of the third ventilation net is provided with a third filter net, and the inside of the third ventilation net is provided with a third electric door;

The position of the first ventilation net corresponds to the position of the second ventilation net;

A controller is arranged in the cabinet, and the controller is electrically connected with the first motor, the second motor, the first electric door, the second electric door, and the third electric door respectively.

Preferably, a first protective cover is arranged on the outside of the first ventilation net, a first fan is arranged inside the first protective cover, the first fan is electrically connected to the controller, and the first protective cover A fourth ventilation net is provided, a fourth filter net is provided inside the fourth ventilation net, and the position of the fourth ventilation net corresponds to that of the first ventilation net.

Preferably, a second protective cover is provided on the outside of the second ventilation net, a second fan is arranged inside the second protective cover, the second fan is electrically connected to the controller, and the second protective cover A fifth ventilation net is provided, a fifth filter net is provided inside the fifth ventilation net, and the position of the fifth ventilation net corresponds to that of the second ventilation net.

Preferably, a third fan is provided outside the third ventilation network, the third fan is connected to the pillar, and the third fan is electrically connected to the controller.

Preferably, a dehumidification device is arranged in the cabinet.

Preferably, a humidity sensor is provided in the cabinet, and the humidity sensor is electrically connected to the controller and the dehumidification device respectively.

Preferably, a temperature sensor is arranged in the cabinet, and the temperature sensor is electrically connected to the controller.

Preferably, a shock-absorbing installation platform is arranged inside the cabinet.

Preferably, the shock-absorbing installation platform includes an outer wall, an interlayer, and an inner wall, the interlayer is arranged between the outer wall and the inner wall, a shock-absorbing spring is arranged in the interlayer, and the shock-absorbing installation platform is "concave". " font.

Preferably, the inner wall is made of shock-absorbing material, and the shock-absorbing material is any one of silica gel and rubber.

The present invention adopts the above technical scheme, and compared with the prior art, it has the following technical effects:

In the outdoor ring network cabinet for air exhaust and moisture removal of the present invention, except for the lower end surface of the cabinet body, the other surfaces are provided with openable and closed ventilation devices, so as to improve the performance of air exhaust, heat dissipation and moisture removal of the cabinet body; a fan is provided, It can increase the rate of air supply and air output, and improve the exhaust and heat dissipation efficiency of the cabinet; each ventilation device is equipped with a filter to prevent foreign substances from entering the cabinet during the exhaust and heat dissipation process, affecting the operation stability of the electrical equipment in the cabinet The top of the cabinet is arc-shaped or triangular in design, and has a first folded edge and a second folded edge extending outward, so that the water falls away from the cabinet body and reduces the accumulation of water around the cabinet body; the cabinet is equipped with a humidity Sensors and temperature sensors, and transmit data to the controller, so that the controller can decide whether to dissipate heat and dehumidify the cabinet according to the data; use the controller to make the operation of the ring network cabinet intelligent and automatic, without manual operation, it can automatically Decide whether to open the ventilation device or dehumidification device; the cabinet is equipped with a shock-absorbing installation platform, and the electrical equipment is installed in the shock-absorbing installation platform, which can effectively reduce the external pressure directly acting on the electrical equipment and improve the operation stability of the electrical equipment.

Description of drawings

Fig. 1 is a front view of a preferred embodiment of the present invention.

Figure 2 is a rear view of a preferred embodiment of the present invention.

Fig. 3 is a cross-sectional view of a preferred embodiment of the present invention.

Fig. 4 is a schematic diagram of the development of the front radiating window of the present invention.

The reference signs therein are: cabinet body 1; base 2; cabinet top 3; pillar 4; first folded edge 5; second folded edge 6; ventilation hole 7; cabinet door 8; The first ventilation net 11; The first filter net 12; The first electric door 13; The second ventilation net 14; The second filter net 15; The second electric door 16; Three electric doors 19; the first protective cover 20; the first blower fan 21; the fourth ventilation net 22; the fourth filter screen 23; the second protective cover 24; The third fan 28; the sixth filter screen 29; dehumidification device 30; outer wall 31; interlayer 32; inner wall 33;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

A preferred embodiment of the present invention, as shown in Figures 1 to 4, is an outdoor ring network cabinet for exhausting wind and moisture, consisting of a cabinet body 1, a base 2 and a cabinet top 3, and the cabinet body 1 is directly installed on the base 2 Above, the cabinet top 3 is installed on the top of the cabinet body 1 through the pillar 4, and there is a large gap between the cabinet top 3 and the cabinet body 1.

The cross-section of the cabinet top 3 is arc-shaped or triangular. Through this shape design, water can flow out along both sides of the cabinet top 3 to prevent water from accumulating on the cabinet top 3 .

The cabinet top 3 is a symmetrical structure, the left and right sides of the cabinet top 3 are provided with a first folded edge 5 and a second folded edge 6, the first folded edge 5 forms an obtuse angle with the lower end surface of the cabinet top 3, and the second The second folded edge 6 is connected with the first folded edge 5, and the second folded edge 6 is arranged perpendicular to the horizontal plane. Through the above-mentioned shape design, when the water flows out from both sides of the cabinet top 3, the water can fall away from the cabinet body 1, and the height of the water drop can be reduced to avoid splashing when the water falls.

Cabinet top 3 also has ventilation hole 7, and ventilation hole 7 is forward-backward and left-right direction, and front-back ventilation hole 7 and left-right ventilation hole (not shown) are arranged in a staggered manner, i.e. honeycomb arrangement, makes cabinet top 3 It can smoothly discharge the wind from different directions, reducing the pressure of the wind on the ring main unit.

The front end of the cabinet body 1 is provided with a cabinet door 8, the cabinet door 8 is a double door, that is, the cabinet door 8 is composed of a left door panel and a right door panel, and the upper end of the cabinet door 8 is provided with a front heat dissipation window 9, which is arranged on the cabinet The left and right sides of the door, that is, the left door panel and the right door panel are all provided with a front cooling window 9, the inside of the front cooling window 9 is provided with a sixth filter screen 27, the front cooling window 9 is an electric cooling window, and the front cooling window 9 and The first motor (not shown in the figure) is connected, and the first motor drives the front cooling window 9 to open and close.

The front louver 9 is a blind, and when the first motor drives the front louver 9, the opening and closing angle of the front louver 9 can be adjusted to control the air intake.

The sixth filter screen 27 is arranged on the inside of the front heat dissipation window 9, which can prevent foreign substances from entering the cabinet body 1 when the front heat dissipation window 9 is opened.

The rear end surface of the cabinet body 1 is provided with a rear radiating window 10, and the rear radiating window 10 is arranged on the left and right sides of the rear section of the cabinet body 1, and the position of the rear radiating window 10 corresponds to the position of the front radiating window 9.

Rear radiating window 10 is the same as front radiating window 9, also is electric radiating shutter, and rear radiating window 10 is connected with second motor (not shown in the figure), and rear radiating window 10 is opened and closed by the second motor drive.

The inner side of the rear radiating window 10 is provided with a seventh filter screen (not shown in the figure), so as to prevent foreign matter from entering the cabinet 1 when the rear radiating window 10 is opened.

The left end face, the right end face and the upper end face of the cabinet body 1 are provided with installation grooves, and the ventilation nets are installed in the installation grooves.

A first ventilation net 11 is installed in the installation groove of the left end face of the cabinet body 1 , a first filter screen 12 is provided on the outside of the first ventilation net 11 , and a first electric door 13 is provided on the inside of the first ventilation net 11 .

Open the first electric door 13 to make the wind enter the cabinet 1 from the first ventilation net 11, and the first filter screen 12 can prevent foreign matter from entering the cabinet 1 with the wind; The ventilation net 11 enters the cabinet body 1 .

A first protective cover 20 is provided outside the left end surface of the cabinet body 1 , and the first protective cover 20 covers the first ventilation net 11 . A first fan 21 is disposed inside the first protective cover 20 . A fourth ventilation net 22 is disposed on the side wall of the first protective cover 20 opposite to the first ventilation net 11 , and a fourth filter net 23 is disposed on the inner side of the fourth ventilation net 22 .

When the external wind speed is insufficient, turning on the first fan 21 can increase the air volume entering the cabinet body 1, thereby increasing the wind speed and air volume in the cabinet body 1, and further improving heat dissipation and dehumidification efficiency.

The fourth filter 23 is arranged inside the fourth ventilation net 22 , which can prevent foreign matter from entering the first protective cover 20 and reduce damage to the first blower 21 .

A second ventilation net 14 is installed in the mounting groove on the right end surface of the cabinet body 1 , the outside of the second ventilation net 14 is provided with a second filter screen 15 , and the inboard of the second ventilation net 14 is provided with a second electric door 16 .

The second electric door 16 is opened to allow the wind to flow out from the cabinet body 1 through the second ventilation net 14 .

When the first electric door 13 and the second electric door 16 are all opened, the wind can enter the cabinet body 1 from the first ventilation net 11, and flow out of the cabinet body 1 from the second ventilation net 14; The ventilation net 14 enters the cabinet body 1 and then flows out of the cabinet body 1 from the first ventilation net 11 .

The right end surface of the cabinet body 1 is provided with a second protective cover 24 , and the second protective cover 24 covers the second ventilation net 14 . A second fan 25 is disposed inside the second protective cover 24 . A fifth ventilation net 26 is disposed on the side wall of the second protective cover 24 opposite to the second ventilation net 14 , and a fifth filter net 27 is disposed on the inner side of the fifth ventilation net 26 .

When the external wind speed is insufficient, the second fan 25 can be turned on to increase the air output of the cabinet 1 .

The mode of action of the first fan 21 and the second fan 25 can be adjusted according to needs, that is, the first fan 21 can be used for drawing air, and the second motor 25 can be used for blowing air.

The positions of the first motor 21 and the second motor 25 are relatively arranged, which can quickly increase the flow velocity of the wind in the cabinet 1, increase the wind circulation rate in the cabinet 1, and then quickly reduce the temperature and humidity in the cabinet 1.

A third ventilation net 17 is installed in the mounting groove on the upper end surface of the cabinet body 1 , a third filter net 18 is provided on the outside of the third ventilation net 17 , and a third electric door 19 is provided on the inside of the third ventilation net 17 .

The third electric door 19 is opened, so that the gas in the cabinet 1 can flow out from the third ventilation net 17 . The third filter screen 18 can prevent foreign matter from falling into the cabinet body 1 from above.

In the gap between the cabinet body 1 and the cabinet top 3, a third fan 28 is installed, and the third fan 28 is connected and fixed to the pillar 4. When the third electric door 19 is opened, the third fan 28 is used to extract the gas inside the cabinet 1 to speed up the gas flow rate inside the cabinet 1 .

The first blower fan 21, the second blower fan 25 and the third blower fan 28 have multiple working modes, they can work at the same time, any two of them can work, and any one of them can work.

When any one of the three fans is working, the function of the fan is mainly to extract the gas in the cabinet body 1 .

When any one of the three fans is working, one of the fans is used to deliver gas into the cabinet 1, and the other fan is used to extract the gas in the cabinet 1.

When three fans work at the same time, there are two different working modes:

The function of one of the fans is to deliver gas to the cabinet 1, and the other two fans are used to extract the gas in the cabinet 1;

Wherein the effect of two fans is to deliver gas in the cabinet body 1, and the effect of another fan is to extract the gas in the cabinet body 1.

Also be provided with controller (not shown in the figure) in cabinet body 1, controller is connected with first motor, second motor, first electric door 13, second electric door 16, the 3rd electric door 19, first electric door respectively. The fan 21, the second fan 25, and the third fan 28 are electrically connected.

The controller is a circuit board or a microprocessor with a preset program. When the preset program is working, it controls the work of various electrical equipment, so as to complete the exhaust, heat dissipation and dehumidification of the ring network cabinet under different conditions.

Inside the cabinet body 1, a plurality of temperature sensors and a plurality of humidity sensors are also arranged, the temperature sensors and the humidity sensors are electrically connected with the controller, and the temperature sensors and the humidity sensors transmit data signals to the controller, so that the controller can decide according to the data signals Whether to start the preset program for the exhaust and heat dissipation of the ring main unit.

In order to maintain the humidity in the cabinet 1 in the closed state, a plurality of dehumidification devices 30 are also arranged in the cabinet 1, and the dehumidification devices 30 are distributed in different positions in the cabinet 1 to remove the moisture in the cabinet 1 to the maximum extent. .

In this embodiment, the dehumidification device 30 may be a dehumidifier with a water tank, or a dehumidification box containing a dehumidifier, and the dehumidifier may be a color-changing silica gel.

When the dehumidifier 30 is a dehumidifier, the dehumidifier is electrically connected to the humidity sensor and the controller respectively. The humidity sensor detects the humidity in the cabinet 1 and transmits a data signal to the controller. The controller decides whether to turn on the dehumidifier according to the data signal. Dehumidification, and in the case of cabinet 1 closed, the dehumidifier will be turned on.

When the cabinet 1 performs exhaust and heat dissipation, the gas flow rate in the cabinet 1 becomes faster, so that the electrical equipment in the cabinet 1 will move or vibrate slightly under the action of the wind. Therefore, in order to reduce the impact of wind pressure and wind speed on the electrical The impact of equipment, in the cabinet body 1, a shock-absorbing installation platform is installed.

The shock-absorbing mounting table is located in the middle of the cabinet body 1, and the interior thereof is used for installing and placing electrical equipment.

The shock-absorbing mounting table is a structure with an upper opening, and the vertical section of the shock-absorbing mounting table is in the shape of a "concave".

The shock-absorbing installation platform has a three-layer structure. From the outside to the inside, it is an outer wall 31, an interlayer 32, and an inner wall 33. The outer wall 31 and the inner wall 33 are both solid structures, and the interlayer 32 is a hollow structure. There are multiple shock-absorbing springs inside the interlayer 32. 34. The damping spring 34 has multiple orientations and can effectively absorb pressure from various directions.

The outer wall 31 is made of stainless steel for fixing; the inner wall 33 is made of shock-absorbing material for absorbing pressure and buffering. The shock-absorbing material includes but not limited to silica gel and rubber.

When the wind exerts pressure on the electrical equipment in the cabinet body 1 or the ring main unit vibrates, the shock absorbing spring 34 in the interlayer 32 of the shock absorbing installation platform absorbs the pressure, and evenly disperses it on the inner wall 33, so that the vibration in the shock absorbing installation platform The electrical equipment is least affected by the vibration, avoiding damage or displacement of the electrical equipment, and improving the operation stability of the electrical equipment.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the implementation and protection scope of the present invention. For those skilled in the art, they should be able to realize that all equivalents made by using the description and illustrations of the present invention The solutions obtained by replacement and obvious changes shall all be included in the protection scope of the present invention.

Claims (10)

1. An outdoor ring network cabinet for wind and moisture removal, characterized in that it comprises a cabinet body (1), a base (2), and a cabinet top (3), and the cabinet body (1) is located on the base (2 ), the cabinet top (3) is arranged on the top of the cabinet body (1), and a pillar (4) is arranged between the cabinet top (3) and the top of the cabinet body (1); The cross-section of the cabinet top (3) is arc-shaped, and the left and right sides of the cabinet top (3) are extended outwards with first flanges (5), and the first flanges (5) and the An obtuse angle is formed between the lower end surfaces of the cabinet top (3), and the cabinet top (3) is provided with a plurality of ventilation holes (7); The front end of the cabinet body (1) is provided with a cabinet door (8), and the cabinet door (8) includes a front heat dissipation window (9) and a first motor, and the front heat dissipation window (9) is arranged on the cabinet On the upper part of the door (8), the first motor is connected to the front heat dissipation window (9), and the first motor drives the front heat dissipation window (9) to open and close; The rear end surface of the cabinet (1) is provided with a rear heat dissipation window (10), the position of the rear heat dissipation window (10) is corresponding to the position of the front heat dissipation window (9), and the rear heat dissipation window (10) is connected to the first Two motors are connected, and the second motor drives the opening and closing of the rear cooling window (10); The left end surface of the cabinet (1) is provided with a first ventilation net (11), and the outside of the first ventilation net (11) is provided with a first filter net (12), and the first ventilation net (11) The inner side is provided with a first electric door (13); The right end surface of the cabinet (1) is provided with a second ventilation net (14), and the outside of the second ventilation net (14) is provided with a second filter net (15), and the second ventilation net (14) The inner side is provided with a second electric door (16); The upper end surface of the cabinet body (1) is provided with a third ventilation net (17), and the outside of the third ventilation net (17) is provided with a third filter net (18), and the third ventilation net (17) The inner side of is provided with the 3rd electric door (19); The first ventilation net (11) corresponds to the position of the second ventilation net (14); The cabinet body (1) is provided with a controller, and the controller is connected with the first motor, the second motor, the first electric door (13), and the second electric door (16) respectively. , The third electric door (19) is electrically connected. 2. The outdoor ring network cabinet for exhausting wind and moisture according to claim 1, characterized in that, a first protective cover (20) is arranged on the outside of the first ventilation net (11), and the first protective cover (20) is provided with a first fan (21), the first fan (21) is electrically connected to the controller, the first protective cover (20) is provided with a fourth ventilation net (22), the A fourth filter net (23) is arranged inside the fourth ventilation net (22), and the position of the fourth ventilation net (22) corresponds to that of the first ventilation net (11). 3. The outdoor ring network cabinet for exhausting wind and moisture according to claim 1, characterized in that, a second protective cover (24) is provided on the outside of the second ventilation net (14), and the second protective cover (24) is provided with a second fan (25), the second fan (25) is electrically connected to the controller, the second protective cover (24) is provided with a fifth ventilation net (26), the A fifth filter net (27) is arranged inside the fifth ventilation net (26), and the position of the fifth ventilation net (26) corresponds to that of the second ventilation net (14). 4. The outdoor ring network cabinet for wind and moisture removal according to claim 1, characterized in that, a third fan (28) is arranged on the outside of the third ventilation net (17), and the third fan (28) ) is connected to the pillar (4), and the third fan (28) is electrically connected to the controller. 5. The outdoor ring network cabinet for exhausting wind and moisture according to claim 1, characterized in that, a dehumidification device (30) is arranged inside the cabinet body (1). 6. The outdoor ring network cabinet for exhausting wind and dehumidification according to claim 5, characterized in that, a humidity sensor is arranged in the cabinet body (1), and the humidity sensor is connected with the controller and the dehumidifier respectively. The device (30) is electrically coupled. 7. The outdoor ring network cabinet for exhausting wind and moisture according to claim 1, characterized in that a temperature sensor is arranged inside the cabinet body (1), and the temperature sensor is electrically connected with the controller. 8. The outdoor ring network cabinet for exhausting wind and moisture according to claim 1, characterized in that, a shock-absorbing installation platform is arranged inside the cabinet body (1). 9. The outdoor ring network cabinet for exhausting wind and moisture according to claim 8, characterized in that, the shock-absorbing installation platform includes an outer wall (31), an interlayer (32), and an inner wall (33), and the interlayer (32 ) is arranged between the outer wall (31) and the inner wall (33), the interlayer (32) is provided with a damping spring (34), and the damping mounting table is in the shape of "concave". 10. The outdoor ring network cabinet for exhausting wind and moisture according to claim 9, characterized in that, the inner wall (33) is made of shock-absorbing material, and the shock-absorbing material is any one of silica gel and rubber kind.