CN216903786U - A new low-voltage cabinet - Google Patents

Abstract

The utility model discloses a novel low-voltage cabinet, comprising a low-voltage power distribution box. Boxes are fixedly connected to both sides of the low-voltage power distribution box, and a dust screen is fixedly embedded at one end of the box. A ventilation duct is fixedly connected to the upper side of the outer wall, two brackets are fixedly connected to the outer wall of the ventilation duct, and a rain shield is arranged on the upper side of the ventilation duct. The utility model provides a novel low-voltage cabinet, and the low-voltage power distribution cabinet can be installed in Working in a humid environment, there are boxes on both sides of the low-voltage power distribution cabinet, and granular desiccant is placed in the box, and the granular desiccant will absorb water vapor. Drive the fan blades to rotate, which can send the dried air into the low-voltage power distribution box, and set up a dust screen at the end of the box, which can also prevent the outside dust from entering the low-voltage power distribution cabinet through the box. The humidity sensor in the box can sense the flow of air. humidity of the gas.

Description

A new low-voltage cabinet

technical field

The utility model relates to the field of low-voltage cabinets, in particular to a novel low-voltage cabinet.

Background technique

Low-voltage switchgear and control equipment are commonly known as low-voltage switchgear, also known as low-voltage cabinet. Low-voltage cabinet is used for power conversion and control of lighting and power distribution. It has strong breaking capacity, good dynamic and thermal stability, and flexible electrical solutions. Combination Convenience, seriality, practicability, novel structure, etc.

With the development of society, basically every household in our country has access to electricity, which is closely related to the use of low-voltage power distribution cabinets. However, in some places, the air is relatively humid, and low-voltage power distribution cabinets work in these humid places for a long time. It is easy to cause circuit breakage or short circuit, which poses a great hidden danger to the safety of electricity use, so a new type of low-voltage cabinet is required.

Utility model content

The utility model provides a novel low-voltage cabinet, which solves the problem that the current low-voltage power distribution cabinet works in a humid place for a long time, which is easy to cause circuit breakage or short circuit, and causes great hidden dangers to the safety of electricity consumption.

In order to solve the above-mentioned technical problems, the utility model provides a novel low-voltage cabinet, which includes a low-voltage distribution box, both sides of the low-voltage distribution box are fixedly connected with boxes, and one end of the box is fixedly embedded with a dust shield. The upper side of the outer wall of the box is fixedly connected with a ventilation duct, the outer wall of the ventilation duct is fixedly connected with two brackets, the upper side of the ventilation duct is provided with a flashing board, and the other ends of the two brackets are It is fixedly connected to the inner wall of the flashing board, a humidity sensor and a number of heating rods are fixedly connected in the box, a drawer is slidably connected to one side of the box, and the drawer is filled with granular desiccant, and both sides of the drawer are slidably connected. A hollow net is fixedly connected, a plurality of circular notches are arranged on the other side of the drawer, and a handle is fixedly connected to the front of the drawer.

Preferably, the inner wall of the box is fixedly connected with two fixing frames, a motor is fixedly connected between the two fixing frames, the output shaft of the motor is fixedly connected with a rotating shaft, and the outer wall of the rotating shaft is fixedly connected with a number of fan blades .

Preferably, the outside of the low-voltage distribution box is hinged with a small door of the distribution box and a door of the distribution box, the small door of the distribution box is provided with a PLC controller, and the PLC controller is provided with a display screen and operation A keyboard is provided, and a grille is arranged on the door of the power distribution box.

Preferably, the heating rod, the humidity sensor and the motor are all electrically connected to the PLC controller.

Preferably, the heating rods are in one-to-one correspondence with the circular notches.

Preferably, a ventilation gap is provided between the weather shield and the ventilation duct.

Compared with the related art, the novel low-voltage cabinet provided by the utility model has the following beneficial effects: the utility model provides a novel low-voltage cabinet, the low-voltage power distribution cabinet can work in a humid environment, and the two sides of the low-voltage power distribution cabinet are located on both sides of the low-voltage power distribution cabinet. All are equipped with boxes, and granular desiccant is placed in the box, and the granular desiccant will absorb water vapor. When the motor is working, the output shaft of the motor drives the rotating shaft to rotate, thereby driving the fan blades to rotate, and the dried air can be sent into the The low-voltage power distribution box is equipped with a dust screen at the end of the box, which can also prevent the outside dust from entering the low-voltage power distribution cabinet through the box. The humidity sensor in the box can sense the humidity of the gas flowing through, and transmit it to the PLC controller through an electrical signal. After that, the PLC controller will control the heating rod to work when the gas humidity is too high. The heat of the heating rod will evaporate the water vapor in the box, which can be discharged from the ventilation duct. The setting of the flashing board can prevent rainwater from falling into the box. , has the advantages of heat dissipation, dustproof, moistureproof and long maintenance cycle.

Description of drawings

1 is a front view of a novel low-voltage cabinet of the present utility model;

Fig. 2 is a sectional view of a novel low-voltage cabinet of the present utility model;

3 is a cross-sectional view of a drawer in a novel low-voltage cabinet of the present invention;

Labels in the figure: 1. Low-voltage distribution box; 2. Small door of distribution box; 3. Gate of distribution box; 4. Grille; 5. PLC controller; 6. Box; 7. Ventilation duct; 8. Bracket; 9. Flashing board; 10. Dust net; 11. Hollow net; 12. Granular desiccant; 13. Heating rod; 14. Drawer; 15. Fixing frame; 16. Motor; 17. Rotating shaft; 18. Fan blade ; 19. Humidity sensor; 20. Round slot; 21. Handle.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. For example; based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Examples, as shown in Figures 1-3, a novel low-voltage cabinet provided by the present invention includes a low-voltage distribution box 1, and boxes 6 are fixedly connected to both sides of the low-voltage distribution box 1. The box 6 One end is fixedly embedded with a dust screen 10, the upper side of the outer wall of the box 6 is fixedly connected with a ventilation duct 7, the outer wall of the ventilation duct 7 is fixedly connected with two brackets 8, and the upper side of the ventilation duct 7 is provided with There is a flashing board 9, and the other ends of the two brackets 8 are fixedly connected to the inner wall of the flashing board 9. The box 6 is fixedly connected with a humidity sensor 19 and a number of heating rods 13. A drawer 14 is slidably connected to the side, and the drawer 14 is filled with granular desiccant 12. Both sides of the drawer 14 are fixedly connected with a hollow net 11, and the other side of the drawer 14 is provided with a number of circular notches 20. , the front of the drawer 14 is fixedly connected with a handle 21, the humid air can be dried in the box 6, the dried water vapor will flow out from the ventilation duct 7, and the flashing board 9 can prevent rainwater from entering.

Wherein, two fixing frames 15 are fixedly connected to the inner wall of the box 6 , a motor 16 is fixedly connected between the two fixing frames 15 , the output shaft of the motor 16 is fixedly connected with a rotating shaft 17 , and the outer wall of the rotating shaft 17 is fixedly connected. Several fan blades 18 are fixedly connected. When the motor 16 drives the fan blades 18 to work, the dried air can be sent into the low-voltage distribution box 1, which can not only cool the temperature, but also prevent the electrical equipment from being damp.

Wherein, the outer side of the low-voltage distribution box 1 is hinged with a small distribution box door 2 and a distribution box door 3, the small distribution box door 2 is provided with a PLC controller 5, and the PLC controller 5 is provided with There is a display screen and an operation keyboard, and the door 3 of the power distribution box is provided with a grill 4, which can be used for hot air discharge.

The heating rod 13 , the humidity sensor 19 and the motor 16 are all electrically connected to the PLC controller 5 , and automatic control can be realized through the PLC controller 5 .

The heating rods 13 are in one-to-one correspondence with the circular slots 20 . After the heating rods 13 are inserted into the circular slots 20 , the heating rods 13 are in contact with the granular desiccant 12 , and the granular desiccant 12 can be dried.

Wherein, a ventilation gap is provided between the flashing board 9 and the ventilation duct 7, which can allow water vapor to flow out, and the granular desiccant 12 does not need to be replaced frequently.

Working principle: the hollow net 11 can be ventilated, and the granular desiccant 12 in the drawer 14 can dry the moist air. When the motor 16 is working, the output shaft of the motor 16 will drive the rotating shaft 17 to rotate, so that the fan blade 18 will rotate. , the dried air in the box 6 can be sent into the low-voltage distribution box 1, and the hot air in the low-voltage distribution box 1 will go out through the gap between the grilles 4, so that the low-voltage distribution box 1 can be The inside will not be in a wet state. When the humidity sensor 19 senses that the humidity in the box 6 is relatively high, it will transmit an electrical signal to the PLC controller 5, and the PLC controller 5 will control the heating rod 13 to work, and the motor 16 will be turned off, so that it can be When the granular desiccant 12 in the drying box 6 is dried, the hot water vapor will flow out through the ventilation duct 7. When it rains, the rain shield 9 on the ventilation duct 7 will block the entry of rainwater, so that the granular desiccant 12 will not flow out. got wet.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The novel low-voltage cabinet is characterized by comprising a low-voltage distribution box (1), wherein boxes (6) are fixedly connected to the two sides of the low-voltage distribution box (1), a dust shielding net (10) is fixedly embedded in one end of each box (6), an air pipe (7) is fixedly connected to the upper side of the outer wall of each box (6), two supports (8) are fixedly connected to the outer wall of each air pipe (7), a rain shielding plate (9) is arranged on the upper side of each air pipe (7), the other ends of the supports (8) are fixedly connected to the inner wall of each rain shielding plate (9), a humidity sensor (19) and a plurality of heating rods (13) are fixedly connected to the inner side of each box (6), a drawer (14) is slidably connected to one side of each box (6), a particle drying agent (12) is arranged in each drawer (14), hollow nets (11) are fixedly connected to the two sides of each drawer (14), the other side of the drawer (14) is provided with a plurality of round notches (20), and the front of the drawer (14) is fixedly connected with a handle (21).

2. The novel low-voltage cabinet as claimed in claim 1, wherein two fixing frames (15) are fixedly connected to the inner wall of the box (6), a motor (16) is fixedly connected between the two fixing frames (15), a rotating shaft (17) is fixedly connected to an output shaft of the motor (16), and a plurality of fan blades (18) are fixedly connected to the outer wall of the rotating shaft (17).

3. The novel low-voltage cabinet as claimed in claim 1, wherein a distribution box small door (2) and a distribution box large door (3) are hinged to the outer side of the low-voltage distribution box (1), a PLC (programmable logic controller) (5) is arranged on the distribution box small door (2), a display screen and an operation keyboard are arranged on the PLC (5), and a grid (4) is arranged on the distribution box large door (3).

4. The novel low-voltage cabinet according to claim 1, characterized in that the heating rod (13), the humidity sensor (19) and the motor (16) are all electrically connected with the PLC (5).

5. The new low-voltage cabinet as claimed in claim 1, characterized in that, the heating rods (13) correspond to the circular notches (20) one by one.

6. A new type of low-voltage cabinet according to claim 1, characterized in that a ventilation gap is provided between the flashing (9) and the ventilation duct (7).

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