CN216537731U

CN216537731U - Air drying device for ring main unit

Info

Publication number: CN216537731U
Application number: CN202122839915.XU
Authority: CN
Inventors: 许亚林
Original assignee: Huai'an Tenghong Electronic Technology Co ltd
Current assignee: Huai'an Tenghong Electronic Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-17
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to the technical field of power distribution cabinet equipment, and discloses an air drying device for a ring main unit, wherein a filter chamber, a heating chamber, a material storage chamber and an adsorption chamber are sequentially arranged in the air drying device body from left to right, the left end of the filter chamber is communicated with an air inlet channel, the right end of the adsorption chamber is communicated with an air outlet channel, an air inlet fan and an air outlet fan are respectively and fixedly arranged in the air inlet channel and the air outlet channel, air conveying channels are respectively communicated among the filter chamber, the heating chamber, the material storage chamber and the adsorption chamber, a filter cylinder is additionally arranged in the filter chamber and attached to the inner wall of the filter chamber, dust and water vapor in the air can be filtered in multiple ways through the filter chamber, the heating chamber, the material storage chamber and the adsorption chamber, the dust content and the humidity in the air are effectively reduced, and secondary elements inside the air can be prevented from rusting, rusting and moisture due to overhigh air humidity and long-time accumulation of the dust, Circuit failure caused by short circuit and equipment damage.

Description

Air drying device for ring main unit

Technical Field

The utility model relates to the technical field of power distribution cabinet equipment, in particular to an air drying device for a ring main unit.

Background

The ring main unit is a group of electric equipment which is arranged in a metal or nonmetal insulating cabinet body or is made into a splicing interval type ring main power supply unit, a load switch and a fuse are adopted in the core part of the ring main unit, the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like, is widely applied to distribution stations of load centers such as urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like, and in order to contact with a ring main line and improve the power supply reliability of the line, a special ring main unit is required to be used.

Because the ring main unit is usually arranged outdoors, in rainy weather, moist air is easy to enter the inside of the ring main unit, once the humidity inside the ring main unit is too high, the secondary elements inside the ring main unit can be corroded and short-circuited to cause circuit failure, further causing equipment damage, the prior ring main unit adopts a humidity detector to detect the humidity inside the ring main unit, when the humidity reaches a certain value, the resistance heating sheet is started to heat and dehumidify the air with the humidity inside, but the simple heating and dehumidifying effect is poor, and the inside of the ring main unit is not completely sealed, and moist air can continuously enter the inside of the ring main unit, meanwhile, the inside of the ring main unit can be filled with a large amount of dust along with the time, and the dust is accumulated on the circuit elements and possibly interferes the circuit elements, so that the circuit is broken down, and the air drying device for the ring main unit is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an air drying device for a ring main unit, which aims to solve the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an air drying device for looped netowrk cabinet, includes the air drying device body, the inside of air drying device body has set gradually filter chamber, heating chamber, storage compartment and adsorption chamber from a left side right side, the left end intercommunication of filter chamber has inlet channel, the right-hand member intercommunication of adsorption chamber has exhaust passage, inlet channel and exhaust passage's inside respectively fixed mounting have air inlet fan and air discharge fan, it has the gas transmission passageway all to communicate between filter chamber, heating chamber, storage compartment and the adsorption chamber, the inside of filter chamber adds and is equipped with to strain a section of thick bamboo and strain the inner wall of section of thick bamboo and laminating mutually with the filter chamber, the inside of heating chamber adds and is equipped with the electric heat net, the inside of storage compartment adds and is equipped with the drier, the inside of adsorption chamber adds in proper order from a left side right side and is equipped with sponge layer, bamboo charcoal layer and activated carbon layer.

Preferably, the diameters of the air inlet fan and the air exhaust fan are the same as the inner diameters of the air inlet channel and the air exhaust channel, and protective cover nets are additionally arranged on the air inlet of the air inlet channel and the air outlet of the air exhaust channel.

Preferably, the outside of filter chamber is articulated through hinge spare has first closed door and second closed door, first closed door has seted up first draw-in groove towards one side of second closed door, the second closed door has seted up the second draw-in groove towards one side of first closed door, the inside of second draw-in groove adds and is equipped with the spring, the one end of spring and the inner wall fixed connection of second draw-in groove and the inner wall of second draw-in groove are provided with spacing post, the other end fixedly connected with fixture block of spring, the second closed door has seted up the notch that communicates with each other with the second draw-in groove, the top fixedly connected with of fixture block draws and draws the outside that extends to the second closed door through the notch.

Preferably, the number of the electric heating nets is two to three.

Preferably, the outside of the storage chamber is obliquely provided with a feed inlet which can be opened and closed, the bottom of the storage chamber is provided with a discharge outlet which can be opened and closed, the feed inlet and the discharge outlet are communicated with the storage chamber, two sides of the storage chamber are provided with blocking nets, and the bottom of the storage chamber is additionally provided with an oblique guide plate.

Preferably, the top and the bottom of sponge layer, bamboo charcoal layer and activated carbon layer all fixedly connected with slider, the gliding spout of confession slider has all been seted up to the top of adsorption chamber and the bottom inner chamber wall, the outside on sponge layer, bamboo charcoal layer and activated carbon layer all is provided with the handle.

(III) advantageous effects

Compared with the prior art, the utility model provides an air drying device for a ring main unit, which has the following beneficial effects:

the air drying device for the ring main unit can filter dust in the air through the filter cylinder inside the filter chamber, the interference of dust-shaped objects to the ring main unit is reduced, the filter cylinder can be conveniently cleaned and replaced by opening the first closed door and the second closed door, the maintenance is more convenient, the air is heated through the electric heating net inside the heating chamber to evaporate water, so that the humidity in the air is reduced, the air can be further dried by utilizing the water absorption of a drying agent inside the drying chamber, the residual water and fine particles in the air can be adsorbed again through the sponge layer, the bamboo charcoal layer and the activated carbon layer inside the adsorption chamber, the filter element can be conveniently replaced through the handle, the dust content and the humidity in the air can be effectively reduced conveniently and quickly, and the phenomenon that secondary elements inside the air are corroded due to overlarge air humidity and long-time accumulation of dust is avoided, Circuit failure caused by short circuit and equipment damage.

Drawings

FIG. 1 is a schematic longitudinal sectional view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 1;

FIG. 4 is an enlarged view of the portion B of FIG. 2;

in the figure: 1. an air drying device body; 2. a filtering chamber; 3. a heating chamber; 4. a storage chamber; 5. an adsorption chamber; 6. an air intake passage; 7. an exhaust passage; 8. an air inlet fan; 9. an exhaust fan; 10. a gas transmission channel; 11. a filter cartridge; 12. an electric heating net; 13. a desiccant; 14. a sponge layer; 15. a bamboo charcoal layer; 16. an activated carbon layer; 17. a protective cover mesh; 18. a hinge; 19. a first closure door; 20. a second closure door; 21. a first card slot; 22. a second card slot; 23. a spring; 24. a limiting column; 25. a clamping block; 26. pulling a handle; 27. a feed inlet; 28. a discharge port; 29. blocking the net; 30. inclining the guide plate; 31. a slider; 32. a chute; 33. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

As shown in fig. 1 and 3, the utility model provides a technical solution, an air drying device for a ring main unit, comprising an air drying device body 1, a filter chamber 2, a heating chamber 3, a material storage chamber 4 and an adsorption chamber 5 are sequentially arranged inside the air drying device body 1 from left to right, the left end of the filter chamber 2 is communicated with an air inlet channel 6, two sides of the material storage chamber 4 are provided with blocking nets 29, the bottom of the material storage chamber 4 is additionally provided with an inclined guide plate 30, the blocking nets 29 can play a role of blocking a drying agent 13, the inclined guide plate 30 can accelerate the outflow of the drying agent 13, the replacement speed of the drying agent 13 is increased, the right end of the adsorption chamber 5 is communicated with an air outlet channel 7, the air inlet channel 6 and the air outlet channel 7 are respectively and fixedly provided with an air inlet fan 8 and an air outlet fan 9, the air inlet fan 8 and the air outlet fan 9 have the same diameter, and the diameter of the air inlet fan 8 and the air outlet fan 9 are the same as the inner diameter of the air inlet channel 6 and the air outlet channel 7, the air inlet of the air inlet channel 6 and the air outlet of the air outlet channel 7 are respectively provided with a protective cover net 17, the filter chamber 2, the heating chamber 3, the material storage chamber 4 and the adsorption chamber 5 are communicated with an air transmission channel 10, the filter chamber 2 is internally provided with a filter cartridge 11, the filter cartridge 11 is attached to the inner wall of the filter chamber 2, the heating chamber 3 is internally provided with an electric heating net 12, the number of the electric heating net 12 is two to three, the heating efficiency of air and the drying speed of air are improved, the storage chamber 4 is internally provided with a drying agent 13, the adsorption chamber 5 is internally provided with a sponge layer 14, a bamboo charcoal layer 15 and an activated charcoal layer 16 from left to right in sequence, the tops and bottoms of the sponge layer 14, the bamboo charcoal layer 15 and the activated charcoal layer 16 are respectively and fixedly connected with a sliding block 31, the inner cavity walls at the top and the bottom of the adsorption chamber 5 are respectively provided with a sliding chute 32 for the sliding block 31 to slide, so that the filter element is connected with the inner cavity walls at the top and the bottom of the adsorption chamber 5 in a sliding way, the filter element can be conveniently replaced, and the filter element replacing device is convenient and fast to use.

As shown in fig. 2 and 4, the exterior of the filtering chamber 2 is hinged to a first sealing door 19 and a second sealing door 20 through a hinge 18, a first slot 21 is formed in one side of the first sealing door 19 facing the second sealing door 20, a second slot 22 is formed in one side of the second sealing door 20 facing the first sealing door 19, a spring 23 is additionally arranged inside the second slot 22, one end of the spring 23 is fixedly connected to the inner wall of the second slot 22, a limiting post 24 is arranged on the inner wall of the second slot 22, a clamping block 25 is fixedly connected to the other end of the spring 23, a notch communicated with the second slot 22 is formed in the second sealing door 20, a pull handle 26 is fixedly connected to the top of the clamping block 25, the pull handle 26 extends to the exterior of the second sealing door 20 through the notch, the clamping block 25 is conveniently pulled by the pull handle 26, the spring 23 is extruded to open the first sealing door 19 and the second sealing door 20, and the filter cartridge 11 is conveniently replaced and cleaned, the outside of the storage chamber 4 is obliquely provided with a feed inlet 27 which can be opened and closed, the bottom of the storage chamber 4 is provided with a discharge outlet 28 which can be opened and closed, the feed inlet 27 and the discharge outlet 28 are both communicated with the storage chamber 4, the drying agent 13 in the storage chamber 4 is convenient to replace, and the sponge layer 14, the bamboo charcoal layer 15 and the activated carbon layer 16 are all provided with handles 33.

The working principle of the device is as follows: the air drying device body 1 is fixedly arranged in the ring main unit, the humidity detector is arranged in the ring main unit, the air inlet fan 8, the air outlet fan 9 and the electric heating net 12 are electrically connected with the humidity detector, the controller and the power supply which are arranged in the ring main unit, when the value detected by the humidity detector is smaller than a set value, the air inlet fan 8 and the air outlet fan 9 are controlled to rotate by the controller, the air in the ring main unit is sucked into the filter chamber 2 through the air inlet channel 6 by the air inlet fan 8, dust in the air is filtered by the filter cartridge 11, the dust content in the air is reduced, the spring 23 is extruded when the clamping block 25 is pulled by the pull handle 26, the first sealing door 19 and the second sealing door 20 are opened after the clamping block 25 leaves the first clamping groove 21, the filter cartridge 11 is convenient to replace and clean, otherwise, the filter cartridge is closed, the filtered air enters the heating chamber 3 through the air transmission channel 10, the additionally arranged two to three layers of electric heating nets 12 can improve the contact area with air and the heating speed, then the air is dried for the second time through the water absorption of the drying agent 13 in the storage chamber 4, the drying agent 13 is convenient to replace through the openable feed port 27 and the openable discharge port 28, the blocking net 29 can play a role in blocking the drying agent 13, the inclined guide plate 30 can accelerate the drying agent 13 to flow out, the replacement speed of the drying agent 13 is improved, finally the air is adsorbed again through the adsorption chamber 5, the dust content and the humidity in the air are effectively reduced, the problems of circuit failure and equipment damage caused by corrosion and short circuit of internal secondary elements due to overlarge air humidity and long-time accumulation of dust are avoided, the filter core is pulled through the handle 33, the sliding block 31 slides in the sliding groove 32, and the filter core is convenient to be drawn out for replacement, convenient and fast, the air after final drying and purification passes through the exhaust passage 7 and is exhausted back to the inside of the ring main unit through the exhaust fan 9.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air drying device for looped netowrk cabinet, includes air drying device body (1), its characterized in that: the air drying device comprises an air drying device body (1), wherein a filtering chamber (2), a heating chamber (3), a storage chamber (4) and an adsorption chamber (5) are sequentially arranged in the air drying device body from left to right, an air inlet channel (6) is communicated with the left end of the filtering chamber (2), an air exhaust channel (7) is communicated with the right end of the adsorption chamber (5), an air inlet fan (8) and an air exhaust fan (9) are respectively and fixedly arranged in the air inlet channel (6) and the air exhaust channel (7), air transmission channels (10) are respectively communicated among the filtering chamber (2), the heating chamber (3), the storage chamber (4) and the adsorption chamber (5), a filtering cylinder (11) is additionally arranged in the filtering chamber (2), the filtering cylinder (11) is attached to the inner wall of the filtering chamber (2), an electric heating net (12) is additionally arranged in the heating chamber (3), a drying agent (13) is additionally arranged in the storage chamber (4), the adsorption chamber (5) is internally and sequentially provided with a sponge layer (14), a bamboo charcoal layer (15) and an activated carbon layer (16) from left to right.

2. The air drying device for the ring main unit according to claim 1, wherein: the diameter size of air inlet fan (8) and air discharge fan (9) is the same, and the diameter size of air inlet fan (8) and air discharge fan (9) is the same with the internal diameter size of inlet channel (6) and exhaust passage (7), the air inlet of inlet channel (6) all adds with the gas vent of exhaust passage (7) and is equipped with protective cover net (17).

3. The air drying device for the ring main unit according to claim 1, wherein: the exterior of the filtering chamber (2) is hinged with a first closing door (19) and a second closing door (20) through a hinge (18), a first clamping groove (21) is formed in one side, facing the second closing door (20), of the first closing door (19), a second clamping groove (22) is formed in one side, facing the first closing door (19), of the second closing door (20), a spring (23) is additionally arranged in the second clamping groove (22), one end of the spring (23) is fixedly connected with the inner wall of the second clamping groove (22), a limiting column (24) is arranged on the inner wall of the second clamping groove (22), a clamping block (25) is fixedly connected at the other end of the spring (23), a notch communicated with the second clamping groove (22) is formed in the second sealing door (20), the top of the clamping block (25) is fixedly connected with a pull handle (26), and the pull handle (26) extends to the outside of the second closing door (20) through the notch.

4. The air drying device for the ring main unit according to claim 1, wherein: the number of the electric heating nets (12) is two to three.

5. The air drying device for the ring main unit according to claim 1, wherein: the outer portion of the storage chamber (4) is obliquely provided with a feed inlet (27) capable of being opened and closed, the bottom of the storage chamber (4) is provided with a discharge outlet (28) capable of being opened and closed, the feed inlet (27) and the discharge outlet (28) are communicated with the storage chamber (4), two sides of the storage chamber (4) are provided with blocking nets (29), and the bottom of the storage chamber (4) is additionally provided with an oblique guide plate (30).

6. The air drying device for the ring main unit according to claim 1, wherein: the top and the bottom of sponge layer (14), bamboo charcoal layer (15) and activated carbon layer (16) all fixedly connected with slider (31), the gliding spout (32) of confession slider (31) are all seted up to the top of adsorption chamber (5) and the bottom inner chamber wall, the outside of sponge layer (14), bamboo charcoal layer (15) and activated carbon layer (16) all is provided with handle (33).