CN115693472A - Power distribution cabinet - Google Patents

Abstract

The invention discloses a power distribution cabinet. This switch board includes the cabinet body, blast apparatus and air ducting, the cabinet body is provided with inlet port and venthole, blast apparatus includes air flue and fan, the fan drives the air current and passes through the air flue and the inlet port gets into the cabinet body, and discharge from the venthole, air ducting includes air guide box and drive assembly, air guide box activity sets up and communicates with the inlet port, air guide box has the air outlet, the air current gets into air guide box back along the air outlet through the inlet port just to the direction outflow air guide box, drive assembly transmission is connected in air guide box, air guide box can change the just to the direction of air-out face under drive assembly's drive. The flowing direction of the air flow entering the cabinet body is changed, so that the internal part of the cabinet body can be uniformly refrigerated, the position far away from an air inlet is prevented from being overheated, and the circuit equipment with higher heat production power can be subjected to air cooling for a long time or at a higher frequency, so that the heat dissipation requirements of the circuit equipment with different heat production powers are met adaptively.

Description

Power distribution cabinet

Technical Field

The invention relates to the field of power equipment, in particular to a power distribution cabinet.

Background

The distribution cabinet is divided into a power distribution cabinet, a lighting distribution cabinet and a metering cabinet, is the final-stage equipment of a distribution system, is internally provided with a large amount of circuit equipment, and is an important component part of electric power transportation and electric power control.

The application number is 202220672918.0 provides an intelligent precision power distribution cabinet in the chinese patent, through set up the air supply wind channel in the inside both sides of the cabinet body to evenly set up the supply-air outlet, make cold wind can comparatively evenly contact with equipment, dispel the heat to equipment, it is not good to have avoided keeping away from air inlet position radiating effect, leads to the inside local overheated condition of switch board. However, in the intelligent precision power distribution cabinet, the following problems still exist:

different circuit equipment is installed to different positions in the switch board, and different circuit equipment heat production power is different, and the heat dissipation demand that can only satisfy partial circuit equipment of refrigeration of supplying air uniformly, the overheated condition still can appear in partial higher circuit equipment of heat production power.

Based on the above, there is a need for a power distribution cabinet capable of solving the above technical problems.

Disclosure of Invention

The invention aims to provide a power distribution cabinet, which can meet the heat dissipation requirements of circuit equipment with different heat-generating powers in the power distribution cabinet and adaptively avoid overheating of part of the circuit equipment with higher heat-generating power.

In order to achieve the purpose, the invention adopts the following technical scheme:

switch board includes:

the cabinet body is provided with an air inlet hole and an air outlet hole;

the air blowing device comprises an air passage and a fan, one end of the air passage is connected to an air inlet, the other end of the air passage is provided with the fan, and the fan drives airflow to enter the cabinet body through the air passage and the air inlet and to be discharged from the air outlet;

the air guide device is arranged on the inner side of the cabinet body and comprises an air guide box and a driving assembly, and the air guide box is movably arranged and is communicated with the air inlet; the air guide box is provided with an air outlet, and the air flows into the air guide box through the air inlet and then flows out of the air guide box along the direction opposite to the air outlet; the driving component is in transmission connection with the air guide box, and the air guide box can change the opposite direction of the air outlet surface under the driving of the driving component.

Optionally, one side of the air guiding box is provided with the air outlet, the other side of the air guiding box is provided with an air inlet, and a hose is communicated between the air inlet and the air inlet.

Optionally, the driving assembly includes:

the motor is fixedly arranged;

the rotary table is in transmission connection with the output end of the motor, and a transmission part is fixedly arranged on the surface of the rotary table;

one end of the transmission rod is a transmission end, and the transmission end is in transmission connection with the air guide box; the other end of the transmission rod is a fulcrum end, and the transmission rod can rotate around the fulcrum end; the transmission rod is further provided with a transmission groove, the transmission groove is located between the transmission end and the fulcrum end, the transmission piece is inserted into the transmission groove, and when the turntable rotates, the transmission piece can slide away from the fulcrum end or towards the fulcrum end in the transmission groove.

Optionally, a motor box is further arranged on the outer side of the cabinet body, the motor is fixedly arranged in the motor box, and the output end of the motor penetrates through the side wall of the cabinet body to be connected to the turntable in a transmission mode.

Optionally, the cabinet body includes an air inlet cavity and an electrical appliance cavity, a filtering device and the blowing device are arranged in the air inlet cavity, electrical equipment is placed in the electrical appliance cavity, the air inlet cavity is communicated with the electrical appliance cavity through the air inlet, the air inlet cavity is provided with an air suction hole, and outside air sequentially passes through the air suction hole, the filtering device and the fan and enters the air passage.

Optionally, a drying device is further disposed in the air inlet cavity, and outside air sequentially passes through the air suction hole, the drying device, the filtering device and the fan and enters the air passage.

Optionally, the blower includes a reversible blower capable of controlling a flow direction of air between the air inlet chamber and the appliance chamber.

Optionally, the cabinet body is provided with a maintenance opening, the maintenance opening is communicated with the air inlet cavity, and the maintenance opening is movably provided with a sealing cover plate.

Optionally, the air inlet is located in the middle of the side wall of the electrical appliance cavity.

Optionally, an air passage protection cover is disposed outside the cabinet body, and at least a portion of the air passage is located between the air passage protection cover and the cabinet body.

The power distribution cabinet provided by the invention has the beneficial effects that: through set up blast apparatus and air ducting at the cabinet body, provide the air current by blast apparatus, change the flow direction behind the air current entering cabinet body by air ducting, can enough evenly refrigerate the internal portion of cabinet, avoid keeping away from the position local overheat of inlet port, also can make the higher circuit equipment of heat production power carry out the forced air cooling with longer length of time or higher frequency, the lower circuit equipment of heat production power carries out the forced air cooling with shorter length of time or lower frequency, thereby satisfy different heat production power's circuit equipment's heat dissipation demand adaptively.

Drawings

Fig. 1 is a perspective view of a power distribution cabinet provided by the present invention;

fig. 2 is a schematic diagram of an internal structure of the power distribution cabinet provided by the invention;

fig. 3 is a schematic partial structure diagram of an air guiding device according to the present invention;

FIG. 4 is a schematic front view of a driving assembly of the air guiding device of the present invention;

FIG. 5 is a schematic side view of a drive assembly of the air guiding device of the present invention;

fig. 6 is a perspective view of the shield of the present invention.

In the figure:

1. a cabinet body; 101. an appliance chamber; 102. an air inlet cavity; 1021. a suction hole; 11. an air inlet; 12. an air outlet; 13. a motor box; 14. sealing the cover plate; 141. a grip; 142. a magnet; 15. an airway protection cover; 16. a baffle plate;

2. a blowing device; 21. a fan; 22. an air passage; 221. a connecting pipe; 222. a transverse tube; 223. a vertical tube; 224. a position limiting sleeve;

3. an air guide device; 31. a wind guiding box; 311. a bellows; 312. an air outlet; 32. a drive assembly; 321. a motor; 322. a turntable; 3221. a transmission member; 323. a transmission rod; 324. a swing shaft; 325. a limiting rod; 33. a protective cover; 331. passing through the slot;

4. a filtration device; 5. and (7) a drying device.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following describes the power distribution cabinet provided by the present invention in two embodiments, respectively, according to fig. 1 to 6.

Example one

Referring to fig. 1, the power distribution cabinet provided by the invention comprises a cabinet body 1, a blowing device 2 and an air guide device 3.

As shown in fig. 1 and 2, an electrical appliance cavity 101 and an air inlet cavity 102 are arranged in the cabinet body 1, an air guide device 3 and various circuit devices are placed in the electrical appliance cavity 101, and a blowing device 2 is placed in the air inlet cavity 102. An air inlet hole 11 and an air outlet hole 12 are formed in the side wall of the electric appliance cavity 101, and the electric appliance cavity 101 is communicated with the air inlet cavity 102 through the air inlet hole 11. Optionally, in this embodiment, as shown in fig. 2, the air inlet cavity 102 is located above the appliance cavity 101, so as to reduce the floor space of the cabinet 1; be provided with the slipmat in the electrical apparatus chamber 101, can be easy to assemble circuit equipment.

As shown in fig. 2, the top of the air inlet cavity 102 is provided with an air suction hole 1021, and the outside air enters the air inlet cavity 102 from the air suction hole 1021 under the driving and guiding of the blowing device 2, then enters the electrical appliance cavity 101 through the air inlet hole 11 to air-cool the circuit device, and is discharged out of the cabinet body 1 from the air outlet hole 12 after absorbing heat, so as to reduce the temperature in the circuit device and the electrical appliance cavity 101. Optionally, in this embodiment, a baffle 16 made of stainless steel is disposed above the air suction hole 1021, so as to prevent rainwater and impurities from falling into the air suction hole 1021 and damaging the blowing device 2, and an anti-rust coating is further disposed on a surface of the baffle 16, so that the baffle is not easily damaged by rust.

With continued reference to fig. 2, the blowing device 2 includes an air passage 22 and a blower 21, the air passage 22 is formed by communicating a plurality of air pipes and is communicated with the air inlet 11, and the blower 21 can drive the air entering the air inlet cavity 102 from the air suction hole 1021, pass through the plurality of air pipes, and finally enter the cabinet body 1 through the air inlet 11. The air guiding device 3 is arranged at the inner side of the cabinet body 1 and is communicated with the air inlet hole 11, and can guide the flowing direction of air flow entering the cabinet body 1 from the air inlet hole 11, so that the circuit equipment with stronger heat production can be subjected to air cooling for a longer time (or higher frequency), the circuit equipment with weaker heat production can be subjected to air cooling for a shorter time (or lower frequency), and different heat dissipation requirements of the circuit equipment with different heat production capacities can be met.

Specifically, in the present embodiment, referring to fig. 2, the blowing device 2 includes a connecting pipe 221, a horizontal pipe 222 and a vertical pipe 223 connected in sequence, the connecting pipe 221 is connected to the output end of the fan 21 and connected to the horizontal pipe 222, the horizontal pipe 222 is connected to the upper end opening of the vertical pipe 223, and the lower end opening of the vertical pipe 223 is connected to the air inlet 11, so as to introduce the air flow driven by the fan 21 into the air inlet 11. Optionally, an air passage protection cover 15 is arranged outside the cabinet body 1, the transverse tube 222 is fixed in the air inlet cavity 102 through a limiting sleeve 224, and the vertical tube 223 is fixed between the air passage protection cover 15 and the cabinet body 1 through the limiting sleeve 224, so that the air passage 22 can be fixed, vibration is reduced, and part of the air passage 22 outside the cabinet body 1 can be protected.

As shown in fig. 3, the air guiding device 3 includes an air guiding box 31 and a driving assembly 32, the air guiding box 31 has an air inlet and an air outlet 312, and the air inlet is flexibly communicated with the air inlet hole 11, so that the air guiding box 31 can change the posture. The air outlet 312 is provided with a structure capable of guiding the direction of the air flow, such as fan blades, and the like, and the air flow direction is adjusted by adjusting the opposite direction of the air outlet 312, so that air cooling is performed on circuit equipment with different heat generating capacities for different periods of time.

Referring to fig. 4 and 5, the driving assembly 32 is connected to the air guiding box 31 in a transmission manner, and can provide power for changing the posture of the air guiding box 31 and control the posture changing process of the air guiding box 31, so that the air flow can be uniformly cooled inside the cabinet 1, and the heat dissipation requirement of the local easily-overheated position inside the cabinet 1 can be adaptively met.

Through set up blast apparatus 2 and air ducting 3 at the cabinet body 1, provide the air current by blast apparatus 2, change the flow direction behind the air current entering cabinet body 1 by air ducting 3, can enough to the internal even refrigeration of cabinet 1, avoid keeping away from the position local overheat of inlet port 11, also can make the higher circuit equipment of heat production power carry out the forced air cooling with long duration or higher frequency, the lower circuit equipment of heat production power carries out the forced air cooling with long duration or lower frequency for short, thereby satisfy different heat production power's circuit equipment's heat dissipation demand adaptively.

Optionally, the air guiding box 31 is communicated with the air inlet 11, that is, the air inlet is communicated with the air inlet 11 through a hose such as a corrugated pipe 311 and a gooseneck, so that the air guiding box 31 can be adjusted in posture and is also connected with the air inlet 11. Certainly, because there is not strict requirement for sealed communication between the air guiding box 31 and the air inlet 11, a hard tube may also be installed at the air inlet 11 in a communicating manner, and the hard tube is inserted into the air inlet 11, so that the air guiding box 31 swings around the center of the air inlet 11, and a similar technical effect can be achieved.

Referring to fig. 3 and 4, the driving assembly 32 includes a motor 321, a rotating disc 322, and a transmission rod 323, wherein the motor 321 is fixedly disposed, and an output end of the motor 321 is in transmission connection with the rotating disc 322 and can drive the rotating disc 322 to rotate. Exemplarily, in the present embodiment, the cabinet 1 is provided with the motor 321 box 13 outside, the motor 321 box 13 is T-shaped, and the motor 321 is fixedly disposed in the motor 321 box 13, so as to prevent the motor 321 from interfering with the circuit devices in the appliance cavity 101. The output end of the motor 321 penetrates through the side wall of the cabinet 1, and the turntable 322 is located inside the cabinet 1 and rotates with the output end of the motor 321 as an axis.

The transmission rod 323 has two end portions, namely a transmission end and a fulcrum end, the transmission end is provided with a limiting rod 325, the fulcrum end is provided with a swing shaft 324, and a transmission groove is arranged between the fulcrum end and the transmission end. One end of the limiting rod 325 is mounted at the transmission end, and the other end of the limiting rod 325 is rotatably connected to the air guiding box 31, so that the air guiding box 31 can adjust the posture along with the movement of the limiting rod 325. The swing shaft 324 is fixedly provided in the cabinet 1, and is rotatably connected to the transmission lever 323, and the transmission lever 323 can swing about the swing shaft 324 to move the stopper rod 325. The driving part 3221 is fixedly arranged on the disc surface of the rotary disc 322, the driving part 3221 is inserted into the transmission groove, and in the rotating process of the rotary disc 322, the transmission groove slides away from the fulcrum end or towards the fulcrum end, and selectively applies pressure to the inner wall of the transmission groove, so that the rotary motion of the output end of the motor 321 is converted into the swing of the transmission rod 323, and then the transmission is transmitted to the air guide box 31, and the air guide box 31 can swing on a large scale.

Optionally, in some embodiments with a small space inside the cabinet 1, the rotating disc 322 and the transmission rod 323 may be disposed inside the cabinet 1, or the rotating disc 322 and the transmission rod 323 may be disposed inside the box 13 of the motor 321, or even the wind guiding box 31 is directly connected to the output end of the motor 321, so as to meet the space limitation inside the cabinet 1. At this time, because the space in the cabinet 1 is small, even if the adjustable posture range of the air guiding box 31 is not expanded through the transmission of the rotary disc 322 and the transmission rod 323, the air flow can cover most of the internal space of the cabinet 1, and the heat dissipation requirement is met.

Preferably, in this embodiment, as shown in fig. 2, the air inlet 11 is located in the middle of the sidewall of the electrical appliance cavity 101, and by providing the above-mentioned rotary disk 322 and the transmission rod 323, the range to which the air flow can be blown can be further expanded, the heat-dissipating area in the cabinet 1 is increased, and the heat-dissipating blind area in the cabinet 1 is reduced.

Furthermore, a protective cover 33 is further arranged outside the air guide box 31, so that the air guide box 31 can be isolated from the circuit equipment, and a protective effect is achieved. Illustratively, as shown in fig. 6, the shield 33 has a semicircular groove shape, and is composed of a curved plate and two semicircular plates, each of which is connected to one side surface of the curved plate. The curved plate is provided with a plurality of air outlet grooves which can allow air flow to pass through; the semicircular plate is provided with a through groove 331, which can allow the limiting rod 325 to pass through and slide in the through groove 331, so as to avoid influencing the posture adjustment of the air guide box 31 after the protective cover 33 is installed.

Optionally, a filter device 4 is also disposed in the intake chamber 102. The filter device 4 comprises a filter plate, the filter plate is arranged between the air suction hole 1021 and the fan 21, the air flow entering the fan 21 can be filtered, impurities such as dust are prevented from entering, and dust deposition inside the cabinet body 1 is avoided.

Optionally, as shown in fig. 2, in this embodiment, two sides of the cabinet body 1 are respectively provided with one air guiding device 3, two air blowing devices 2 are correspondingly arranged in the air inlet cavity at the top of the cabinet body 1, and each air blowing device 2 is communicated to the air guiding device 3 at the same side, so that the heat dissipation efficiency in the cabinet body 1 can be increased, and the heat dissipation blind area in the cabinet body 1 is further reduced. Preferably, the air passages 22 of the two blowing devices 2 are communicated, so that the robustness can be improved, even if one blowing device 2 fails, the refrigeration can be still performed within the original heat dissipation range, and a heat dissipation blind area is avoided under the condition that one blowing device 2 fails.

Further, the air inlet cavity 102 is further provided with a maintenance opening, and the maintenance opening is movably provided with a sealing cover plate 14, so that the air blowing device 2 and the like in the air inlet cavity 102 can be conveniently installed and maintained. Specifically, the sealing cover 14 is movably mounted by a hinge and is provided with a magnet 142 capable of being fixed with the cabinet 1 by magnetic force. The outer side of the sealing cover plate 14 is further provided with a grip 141, which is convenient for an operator to grasp to resist magnetic force, and the sealing cover plate 14 is rotated, so that the blowing device 2 and the like in the air intake cavity 102 are exposed.

Example two

In this embodiment, on the basis of the first embodiment, the drying device 5 is provided, so that the circuit devices in the electric appliance cavity 101 can be further protected, and the circuit devices can be prevented from being damaged by humid air.

Specifically, as shown in fig. 2, the drying device 5 includes a drying box, in which a drying agent is placed, and a box body of the drying box is provided with a via hole, so that the drying agent can perform moisture absorption processing on air flowing through and near the drying box.

Further, can also adopt reversible fan, can enough be when the humidity is normal in the cabinet body 1, normally blow to the cabinet body 1 in and refrigerate the heat dissipation, also can be in the cabinet body 1 humidity great, and when obviously being greater than external humidity, make fan 21 reversal in the short time to make the moist air rapid flow in the cabinet body 1 to dry box department, through the mode of bleeding, detach the moisture in the electrical apparatus chamber 101 more effectively. In addition, since the moist air is discharged to the vicinity of the cabinet 1 after absorbing moisture by the drying box, the humidity near the cabinet 1 is not increased, and thus the drying efficiency is not reduced by sucking the air having increased humidity near the cabinet 1 while exhausting air.

It will be appreciated that the desiccant in the desiccant cartridge can also be replaced more easily by the sealing cover 14 described above.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. Switch board, its characterized in that includes:

the wardrobe comprises a wardrobe body (1), wherein the wardrobe body (1) is provided with an air inlet hole (11) and an air outlet hole (12);

the air blowing device (2) comprises an air passage (22) and a fan (21), one end of the air passage (22) is connected to the air inlet hole (11), the other end of the air passage (22) is provided with the fan (21), and the fan (21) drives air flow to enter the cabinet body (1) through the air passage (22) and the air inlet hole (11) and discharge the air flow from the air outlet hole (12);

the air guide device (3) is arranged on the inner side of the cabinet body (1), the air guide device (3) comprises an air guide box (31) and a driving assembly (32), and the air guide box (31) is movably arranged and is communicated with the air inlet hole (11); the air guide box (31) is provided with an air outlet (312), and air flows into the air guide box (31) through the air inlet hole (11) and then flows out of the air guide box (31) along the direction opposite to the air outlet (312); the driving component (32) is in transmission connection with the air guide box (31), and the air guide box (31) can change the opposite direction of the air outlet (312) under the driving of the driving component (32).

2. The power distribution cabinet according to claim 1, wherein one side of the air guiding box (31) is provided with the air outlet (312), the other side of the air guiding box (31) is provided with an air inlet, and a hose is communicated between the air inlet and the air inlet (11).

3. The electrical distribution cabinet according to claim 1, characterized in that said drive assembly (32) comprises:

the motor (321), the said motor (321) is set up fixedly;

the turntable (322) is in transmission connection with the output end of the motor (321), and a transmission piece (3221) is fixedly arranged on the surface of the turntable (322);

one end of the transmission rod (323) is a transmission end, and the transmission end is in transmission connection with the air guide box (31); the other end of the transmission rod (323) is a fulcrum end, and the transmission rod (323) can rotate around the fulcrum end; the transmission rod (323) is further provided with a transmission groove, the transmission groove is located between the transmission end and the fulcrum end, the transmission piece (3221) is inserted into the transmission groove, and when the turntable (322) rotates, the transmission piece (3221) can slide away from the fulcrum end or towards the fulcrum end in the transmission groove.

4. The power distribution cabinet according to claim 3, characterized in that a motor box (13) is further disposed outside the cabinet body (1), the motor (321) is fixedly disposed in the motor box (13), and an output end of the motor (321) penetrates through a side wall of the cabinet body (1) to be connected to the rotating disc (322) in a transmission manner.

5. The power distribution cabinet according to claim 1, wherein the cabinet body (1) comprises an air inlet cavity (102) and an electrical appliance cavity (101), a filtering device (4) and the blowing device (2) are arranged in the air inlet cavity (102), electrical equipment is placed in the electrical appliance cavity (101), the air inlet cavity (102) is communicated with the electrical appliance cavity (101) through the air inlet hole (11), the air inlet cavity (102) is provided with an air suction hole (1021), and outside air sequentially passes through the air suction hole (1021), the filtering device (4) and the fan (21) and enters the air passage (22).

6. The distribution cabinet according to claim 5, characterized in that a drying device (5) is further disposed in the air intake chamber (102), and outside air enters the air duct (22) through the air intake hole (1021), the drying device (5), the filtering device (4) and the fan (21) in sequence.

7. The electrical distribution cabinet according to claim 6, characterized in that the blower (21) comprises a reversible blower capable of controlling the direction of flow of air between the air intake chamber (102) and the appliance chamber (101).

8. The power distribution cabinet according to claim 6, characterized in that the cabinet body (1) is provided with a maintenance opening, the maintenance opening is communicated with the air inlet cavity (102), and the maintenance opening is movably provided with a sealing cover plate (14).

9. Electrical cabinet according to claim 5, characterized in that the air intake (11) is located in the middle of the side wall of the appliance cavity (101).

10. The electrical distribution cabinet according to claim 9, characterized in that an air duct protection cover (15) is arranged on the outer side of the cabinet body (1), and at least part of the air duct (22) is located between the air duct protection cover (15) and the cabinet body (1).

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