CN215008952U

CN215008952U - Dampproofing dehumidification type power distribution cabinet

Info

Publication number: CN215008952U
Application number: CN202120150218.0U
Authority: CN
Inventors: 陈争; 肖金平; 李俊龙; 谢芙蓉
Original assignee: Liyuan Power Equipment Joint Stocks Co ltd
Current assignee: Liyuan Power Equipment Joint Stocks Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-03
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a moisture-proof dehumidification type power distribution cabinet, which comprises an electric cabinet body, wherein a distribution cavity is arranged in the electric cabinet body, a back plate of the distribution cavity is provided with an air inlet window and an air outlet hole, and a dehumidification device is fixedly arranged at the rear end of the back plate; the dehumidifying device comprises a shell, a fan and a dehumidifying plate, wherein the shell is provided with a front port and a rear port, the front port of the shell is opposite to the air inlet window and is communicated with the air inlet window, and the fan and the dehumidifying plate are sequentially arranged in the shell from the rear port of the shell to the front port. This power distribution cabinet passes through the air current drying of moisture absorption plate with the fan guide, lets in the dry air current again and carries out air cycle in the distribution chamber to protection distribution safety, simultaneously, the dry gas that lets in still can provide the heat dissipation protection to electrical facilities.

Description

Dampproofing dehumidification type power distribution cabinet

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a dampproofing dehumidification type power distribution cabinet.

Background

The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; motor control centers are used in load concentration and loop-rich applications, where they distribute the power from a circuit of a higher level of distribution equipment to nearby loads, which provide protection, monitoring and control of the loads.

Because weather and season reason can often contain more steam in the switch board, and humidity is great, if the long-term humidity is great in the switch board, can seriously influence the operation of electronic component in the switch board, shorten its life. The dehumidification of current switch board mainly adopts the mode of circulation of air or installation heater, and long-time work causes equipment on every side very easily because of high temperature ageing, and the heater leaks outward, causes the injury to equipment and personnel easily, is heated inequality in the switch board, and the dehumidification effect is general.

SUMMERY OF THE UTILITY MODEL

For the technical problem who exists among the solution background art, the utility model provides a dampproofing dehumidification type power distribution cabinet.

The utility model provides a dampproofing dehumidification type electric power distribution cabinet, including the electricity cabinet body, the electricity cabinet body has the distribution cavity in, is equipped with air inlet window and exhaust hole on the backplate of distribution cavity, and the rear end of the backplate fixed mounting has dehydrating unit;

wherein, dehydrating unit includes casing, fan and dehumidification board, and the casing has two preceding, back ports, and the port just communicates each other with air inlet window relatively before the casing, and fan and dehumidification board are installed in the casing by port to preceding port direction behind the casing in proper order.

Furthermore, the dehumidification device also comprises an elbow electric heater arranged between the fan and the dehumidification plate, and the elbow electric heater is fixedly arranged on the shell.

Further, the dehumidifying device also comprises a wind plate; the air plates are arranged in a row in parallel at the front end of the shell, and the side edges of the adjacent air plates are mutually connected; rotating shafts are arranged at the two ends of the wind plate along the plate length direction, and the wind plate is rotatably connected with the shell through the rotating shafts; the air plate is used for opening or closing the front port of the shell in a rotating mode;

fan-shaped baffles are fixed at two ends of the air plate, a fan-shaped air outlet is arranged on the side wall of the shell opposite to the end part of the air plate, and the size of the fan-shaped air outlet is matched with that of the fan-shaped baffles; when the air plate rotates to close the front port of the shell, the fan-shaped baffle avoids the fan-shaped air outlet.

Furthermore, the dehumidifying device also comprises a driving device for driving the air plate to rotate, and the driving device comprises a motor, a first connecting rod and a second connecting rod; the rotating shafts on the wind plates penetrate the outer part of the shell, the outer ends of the rotating shafts are respectively connected with a first connecting rod, each first connecting rod is rotatably arranged on a second connecting rod, and the first connecting rods are arranged at equal intervals along the length direction of the second connecting rod; the output shaft of the motor is in transmission connection with the rotating shaft on one of the wind plates.

Furthermore, a dust filter screen is installed at the rear port of the shell.

Further, the rear end of the electric cabinet body is fixedly provided with a back decorative plate, the back decorative plate is arranged behind the back plate and the dehumidifying device, and a ventilation window is arranged in the position, opposite to the rear end port of the shell, of the back decorative plate.

Further, dampproofing dehumidification type power distribution cabinet, still include PLC and humidity transducer, humidity transducer installs and is used for monitoring the inside air humidity of distribution chamber in the distribution chamber, humidity transducer is connected with PLC, PLC is connected with fan, return bend electric heater, motor respectively.

The utility model discloses an install dehydrating unit on the electric power distribution cabinet, through the air current drying of moisture absorption plate with the fan guide, let in the dry gas flow again and carry out air cycle in the distribution chamber to protection distribution safety, simultaneously, the dry gas who lets in still can provide the heat dissipation protection to electrical facilities.

Drawings

Fig. 1 is a front view of a distribution chamber of a moisture-proof and dehumidification type power distribution cabinet according to the present invention;

fig. 2 is a schematic perspective view of the power distribution cabinet at a rear view angle of the backplane;

FIG. 3 is a partial cross-sectional view of the dehumidification device mounted on a backplane;

FIG. 4 is a perspective view of the rear port of the dehumidification device;

FIG. 5 is a front view of the front port view of the dehumidification device;

FIG. 6 is a schematic view of the installation of the elbow electric heater within the housing;

FIG. 7 is a schematic structural view of a wind plate;

FIG. 8 is a perspective view of the dehumidification apparatus from the top;

fig. 9 is a perspective view of a rear view of the power distribution cabinet.

Detailed Description

Please refer to fig. 1-9, the utility model provides a dampproofing dehumidification type power distribution cabinet, including electric cabinet body 1, the distribution cavity has in the electric cabinet body 1, is equipped with air inlet window 102 and exhaust hole 103 on the backplate 101 of distribution cavity, and backplate 101 rear end fixed mounting has dehydrating unit.

Wherein, dehydrating unit includes casing 2, fan 3 and dehumidifying board 4, and casing 2 has two preceding, back ports, and casing 2 front port is relative and intercommunication each other with air intake window 102, and fan 3 and dehumidifying board 4 are installed in casing 2 in proper order by casing 2 back port to preceding port direction. The dehumidifying sheet 4 is a sheet structure formed by impregnating an absorbent such as lithium chloride into a space made of asbestos paper having a honeycomb structure, and the dehumidifying sheet 4 is not limited to the foregoing as a known art.

When this power distribution cabinet need dehumidify, open fan 3 and carry out work, the air current gets into the distribution cavity from air inlet window 102 after dehumidification board 4 detached moisture, and the distribution cavity is interior gas through exhaust hole 103 discharge again. The continuously charged dry gas reduces the humidity inside the power distribution chamber, thereby playing a role in protecting the switches and circuits of the electrical appliances. In addition, compared with the traditional heating dehumidification mode, the mode of circulating air flow through the fan 3 can also play a good heat dissipation effect.

Further, as shown in fig. 2 and 6, the dehumidifying apparatus further includes a bent pipe electric heater 5 disposed between the fan 3 and the dehumidifying plate 4, and the bent pipe electric heater 5 is fixedly installed on the housing 2. The elbow electric heater 5 can heat the air flow guided by the fan 3 when being electrified to work, so that the hot air absorbs and takes away the moisture in the dehumidifying plate 4 when passing through the dehumidifying plate 4, the absorbent is regenerated, and the dehumidifying plate 4 can continuously carry out dehumidifying work.

As shown in fig. 5, 7 and 8, the dehumidifying apparatus further includes a wind plate 6; the air plates 6 are arranged in a row in parallel at the front end of the shell 2, and the side edges of the adjacent air plates 6 are mutually connected; the two ends of the wind plate 6 are provided with rotating shafts 601 along the plate length direction, and the wind plate 6 is rotatably connected with the shell 2 through the rotating shafts 601; the damper 6 is used to rotate open or close the front port of the housing 2.

Fan-shaped baffles 602 are fixed at two ends of the air plate 6, a fan-shaped air outlet 201 is arranged on the side wall of the shell 2 opposite to the end part of the air plate 6, and the size of the fan-shaped air outlet 201 is matched with that of the fan-shaped baffles 602; when the air flap 6 rotates to close the front end of the housing 2, the fan-shaped baffle 602 avoids the fan-shaped air outlet 201.

The front port of the shell 2 can be opened or closed through the wind plate 6, and when the wind plate 6 is in an open state, the wind plate can be used for guiding dry airflow into a power distribution cavity of the electric cabinet body 1; when the air flap 6 is in the closed state, the fan-shaped baffle 602 avoids the fan-shaped air outlet 201, so that the fan-shaped air outlet 201 can exhaust air. Owing to can produce wet hot gas flow when heating regeneration to dehumidification board 4 through return bend electric heater 5, and wet hot air is if getting into the inside influence that can lead to the fact the electric installation of distribution chamber, consequently through this aerofoil 6 design, can close 2 front end mouths of casing and open the air outlet when heating regeneration to dehumidification board 4, make wet hot gas only discharge through the air outlet, make dehydrating unit when possessing better circulation dehumidification function, can not exert an influence to the switch board.

Further, the dehumidifying device also comprises a driving device for driving the air plate 6 to rotate, and the driving device comprises a motor 7, a first connecting rod 8 and a second connecting rod 9; the rotating shaft 601 on each wind plate 6 penetrates to the outside of the shell 2, the outer end of the rotating shaft 601 is connected with a first connecting rod 8, each first connecting rod 8 is rotatably arranged on a second connecting rod 9, and the first connecting rods 8 are arranged at equal intervals along the length direction of the second connecting rods 9; the output shaft of the motor 7 is in transmission connection with the rotating shaft 601 on one of the wind plates 6. The second connecting rod 9 and the first connecting rod 8 enable all the wind plates 6 to synchronously rotate, and when the motor 7 drives one wind plate 6 to rotate, all the wind plates 6 can be driven to synchronously rotate, so that the wind plates 6 are controlled to open or close the front port of the shell 2.

Further, the dehumidifying apparatus further includes a dust filter 10 installed at a rear port of the housing 2, and the dust filter 10 is used for filtering dust. The dust filter 10 is buckled with the rear end of the shell 2, and the dust filter 10 is preferably connected with the shell 2 in a magnetic suction connection mode.

Further, a back decorative plate 104 is fixedly mounted at the rear end of the electric cabinet body 1, the back decorative plate 104 is arranged behind the back plate 101 and the dehumidifying device, and a ventilation window 105 is arranged on the back decorative plate 104 at a position opposite to the rear port of the shell 2.

Further, a humidity sensor (not shown) is installed in the power distribution chamber of the electric cabinet body 1, and the humidity sensor is used for separating air humidity in the power distribution chamber.

The accessible is connected humidity transducer, fan 3, return bend electric heater 5, motor 7 with PLC respectively, and humidity transducer is to PLC transmission signal, and when humidity transducer detected the interior humidity of distribution chamber when too high, PLC control fan 3 opened and carries out work to open 2 front ports of casing through motor 7 control aerofoil 6, make drying gas dehumidify distribution chamber inside. When the dehumidification is carried out for a period of time, the PLC controls the elbow electric heater 5 to be started to work, and controls the air plate 6 to close the front port of the shell 2 through the motor 7, so that the dehumidification plate 4 of the dehumidification device is heated and regenerated, and after a period of time, the dehumidification can be carried out again. The power distribution cabinet can be continuously dehumidified by repeating the steps.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A moisture-proof dehumidification type power distribution cabinet is characterized by comprising an electric cabinet body (1), wherein a power distribution chamber is arranged in the electric cabinet body (1), a back plate (101) of the power distribution chamber is provided with an air inlet window (102) and an air outlet hole (103), and a dehumidification device is fixedly installed at the rear end of the back plate (101);

the dehumidifying device comprises a shell (2), a fan (3) and a dehumidifying plate (4), wherein the shell (2) is provided with a front port and a rear port, the front port of the shell (2) is opposite to an air inlet window (102) and is communicated with the air inlet window, and the fan (3) and the dehumidifying plate (4) are sequentially arranged in the shell (2) from the rear port of the shell (2) to the front port.

2. Moisture-proof and dehumidification-type electric power distribution cabinet according to claim 1, characterized in that the dehumidification device further comprises a bent-tube electric heater (5) arranged between the fan (3) and the dehumidification plate (4), the bent-tube electric heater (5) being fixedly mounted on the housing (2).

3. Moisture-proof and dehumidification-type electric power distribution cabinet according to claim 2, characterized in that said dehumidification device further comprises a wind plate (6); the air plates (6) are arranged in a row in parallel at the front end of the shell (2), and the side edges of the adjacent air plates (6) are mutually connected; rotating shafts (601) are arranged at two ends of the wind plate (6) along the plate length direction, and the wind plate (6) is rotatably connected with the shell (2) through the rotating shafts (601); the air plate (6) is used for opening or closing the front port of the shell (2) in a rotating way;

fan-shaped baffles (602) are fixed at two ends of the air plate (6), a fan-shaped air outlet (201) is arranged on the side wall of the shell (2) opposite to the end part of the air plate (6), and the size of the fan-shaped air outlet (201) is matched with that of the fan-shaped baffles (602); when the air plate (6) rotates to close the front port of the shell (2), the fan-shaped baffle (602) avoids the fan-shaped air outlet (201).

4. Moisture-proof and dehumidification-type electric power distribution cabinet according to claim 3, characterized in that said dehumidification device further comprises a driving device for driving said air flap (6) to rotate, said driving device comprising a motor (7), a first connecting rod (8) and a second connecting rod (9); the rotating shafts (601) on the wind plates (6) penetrate through the outer part of the shell (2), the outer ends of the rotating shafts (601) are respectively connected with a first connecting rod (8), each first connecting rod (8) is rotatably arranged on a second connecting rod (9), and the first connecting rods (8) are arranged at equal intervals along the length direction of the second connecting rods (9); an output shaft of the motor (7) is in transmission connection with a rotating shaft (601) on one of the wind plates (6).

5. Moisture-proof and dehumidification-type electric power distribution cabinet according to claim 1, characterized in that a dust screen (10) is mounted at the rear port of the casing (2).

6. The moisture-proof dehumidification type power distribution cabinet according to any one of claims 1 to 5, wherein a back decoration plate (104) is fixedly installed at the rear end of the cabinet body (1), the back decoration plate (104) is arranged behind the back plate (101) and the dehumidification device, and a ventilation window (105) is arranged on the back decoration plate (104) at a position opposite to the rear port of the shell (2).

7. The moisture-proof dehumidification type power distribution cabinet according to claim 4, further comprising a PLC and a humidity sensor, wherein the humidity sensor is installed in the power distribution chamber and used for monitoring the air humidity inside the power distribution chamber, the humidity sensor is connected with the PLC, and the PLC is respectively connected with the fan (3), the electric heater (5) and the motor (7).