CN113363827B

CN113363827B - Damp-proof power distribution cabinet for rainy area

Info

Publication number: CN113363827B
Application number: CN202110911642.7A
Authority: CN
Inventors: 杜学伟
Original assignee: Nantong Electric Doctor Automation Equipment Co ltd
Current assignee: Jiangsu Dianboshi Energy Equipment Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-11-16
Anticipated expiration: 2041-08-10
Also published as: CN113363827A

Abstract

The invention discloses a moisture-proof power distribution cabinet for a rainy area, which comprises a shell, wherein an installation chamber is arranged in the shell, vent holes are formed in the inner walls of the two sides of the installation chamber, a filter screen is arranged in each vent hole, a sliding groove is formed in the inner bottom of each vent hole, a limiting groove is formed in the inner top of each vent hole, an activated carbon plate is arranged in each sliding groove, the upper end and the lower end of each activated carbon plate are fixedly connected with sliding strips, and each sliding strip is in sliding connection with the inner wall of the corresponding sliding groove. This switch board can rise the activated carbon plate in the rainy day, carries out the drying to moist air in, initiatively dispels the heat, radiating effect preferred, and still be provided with the structure of thermal-arrest, can be used for the evaporation of water on the dry layer after the rain with the heat of collecting, guarantees the drying effect on dry layer.

Description

Damp-proof power distribution cabinet for rainy area

Technical Field

The invention relates to the field of power equipment, in particular to a moisture-proof power distribution cabinet for a rainy area.

Background

A large number of electric devices are arranged in the power distribution cabinet, so that the power distribution cabinet is required to be relatively dry when used, and when the humidity in the power distribution cabinet is too high, the aging and damage speed of the electric devices can be accelerated, and safety accidents can be caused;

the vent that current switch board generally adopted to be provided with the filter screen carries out passive heat dissipation, but to some rainy areas, when raining, the humidity of air is very big, make moist air pass through the vent during passive heat dissipation and enter into inside the switch board, but if direct set up some dry layers in vent department, can influence passive radiating air permeability again, lead to under the normal condition, the not good condition of passive radiating effect appears, and in the rainy day, because the increase of indoor activity, so the power consumption generally can rise relatively, therefore the load of switch board increases, calorific capacity increases, passive heat dissipation obviously is difficult to satisfy the high load heat dissipation of switch board, therefore how reasonable solution above-mentioned problem makes us required consideration.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides the moisture-proof power distribution cabinet for the rainy region.

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

the utility model provides a rainy area is with dampproofing switch board, includes the casing, be equipped with the installation room in the casing, all be provided with the vent on the both sides inner wall of installation room, every all install the filter screen in the vent, every the interior bottom of vent all is provided with the sliding tray, every the interior top of vent all is provided with the spacing groove, every all be provided with the activated carbon board in the sliding tray, every the equal fixedly connected with slide bar in the upper and lower end of activated carbon board, every the slide bar all with the inner wall sliding connection who corresponds the sliding tray, every the electro-magnet is all installed to the interior bottom of sliding tray, is located every below the slide bar all has magnetism, and with correspond the electro-magnet circular telegram back looks homopolar repellent.

Preferably, the two sides of the shell are respectively provided with an inclined baffle plate for keeping off rain, and each inclined baffle plate is positioned at the corresponding vent.

Preferably, still include trigger mechanism, trigger mechanism is including setting up the triggering groove in the casing upper end, every triggering inslot all is equipped with and is used for gliding water-collecting box from top to bottom, and the hot plate is installed to the interior bottom of water-collecting box, the water-collecting box is improved level and is run through and be equipped with the busbar, all be provided with on the both sides inner wall of triggering groove with busbar complex first conducting strip, the lower extreme of water-collecting box with trigger inslot bottom through a plurality of recovery spring elastic connection.

Preferably, trigger the interior bottom in groove and install the conduction box, be equipped with in the conduction box and be used for gliding current conducting plate from top to bottom, the lower extreme of current conducting plate and the interior bottom that corresponds the conduction box are through a plurality of connecting spring elastic connection, all be provided with on the both sides inner wall of conduction box with current conducting plate complex second conducting strip, the upper end fixedly connected with of current conducting plate supports the pole with water collection box lower extreme matched with, the bottom space of conduction box is through one-way intake pipe and one-way blast pipe and installation room inner space intercommunication.

Preferably, a one-way valve is installed in each of the one-way air inlet pipe and the one-way air outlet pipe.

Preferably, still including the active heat dissipation mechanism, the active heat dissipation mechanism is including installing the mounting box in the indoor bottom of installation, first hollow slab and fan are installed to the upper end of mounting box, the up end of first hollow slab is provided with a plurality of air intakes, the air inlet end of fan extends to in the first hollow slab, the air-out end of fan is connected with the trunk line, all be provided with the hollow slab of second on the both sides inner wall of installation room, every one side that the hollow slab of second kept away from the installation room middle part all communicates there are a plurality of interface channel, and is a plurality of the interface channel keeps away from the one end of the hollow slab of corresponding second and all communicates jointly and has the standpipe, the one end intercommunication that fan air-out end was kept away from to the trunk line has two spinal branch pipelines, two the other end of branch pipeline communicates with the hollow slab of two seconds respectively.

Preferably, both of the sliding grooves extend through the corresponding plurality of connecting channels.

Preferably, be equipped with the rectangle chamber in the mounting box, the trunk line runs through the rectangle chamber, the trunk line is located the rectangle intracavity portion and is the zigzag form, the trunk line is located the rectangle intracavity portion and adopts the heat conduction material to make, the rectangle intracavity is filled with phase change material.

Compared with the prior art, the invention has the beneficial effects that:

1. be provided with trigger mechanism and the radiating mechanism of initiative, can realize automatic rising the active carbon plate and carry out the initiative heat dissipation when rainy day, carry out the drying to moist air, carry out the heat dissipation of initiative, radiating effect preferred.

2. After the rain stops, the activated carbon plate reconversion, but the fan still can start a period of time, and at this moment, fan exhaust wind can be through the activated carbon plate, carries out quick air-drying to the activated carbon plate.

3. After the fan starts in the rainy day, because the electric quantity of rainy day uses and strengthens, so the switch board load is big, the inside heat dissipation capacity of switch board is big, so the fan is when being responsible for the pipeline exhaust, can transmit some high temperatures for phase change material in the rectangle intracavity, become liquid after the phase change material endotherm, make the continuous heat of storage in the rectangle intracavity, and the fan stops in a period of back start-up in the rain, heat in the trunk line is lower, after the rectangle chamber, can absorb partly original heat energy of storing, and then final rain stops the back, it is higher to carry out quick air-dried gas temperature to the activated carbon plate, air-dried effect is better.

Drawings

Fig. 1 is a schematic structural diagram of a moisture-proof power distribution cabinet for a rainy region according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is an enlarged view at C of FIG. 1;

FIG. 5 is an enlarged view of FIG. 1 at D;

FIG. 6 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 7 is a schematic perspective view of a portion of the main duct of fig. 6 positioned within the rectangular cavity.

In the figure: 1 casing, 2 installation rooms, 3 ventilation openings, 4 filter screens, 5 inclined baffles, 6 limiting grooves, 7 trigger grooves, 8 water collecting boxes, 9 first conducting strips, 10 recovery springs, 11 installation boxes, 12 first hollow plates, 13 main pipes, 14 branch pipes, 15 vertical pipes, 16 conducting strips, 17 heating plates, 18 conducting boxes, 19 second conducting strips, 20 conducting plates, 21 abutting rods, 22 connecting springs, 23 one-way air inlet pipes, 24 one-way exhaust pipes, 25 sliding grooves, 26 activated carbon plates, 27 sliding strips, 28 connecting channels, 29 second hollow plates, 30 electromagnets, 31 fans and 32 rectangular cavities.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

Referring to fig. 1-5, a moisture-proof power distribution cabinet for a rainy region comprises a housing 1, wherein a mounting chamber 2 is arranged in the housing 1, vent holes 3 are respectively arranged on the inner walls of the two sides of the mounting chamber 2, inclined baffle plates 5 for shielding rain are respectively arranged on the two sides of the housing 1, each inclined baffle plate 5 is positioned at the corresponding vent hole 3, a filter screen 4 is respectively arranged in each vent hole 3, the filter screen 4 is used for filtering dust when passively dissipating heat, a sliding groove 25 is arranged at the inner bottom of each vent hole 3, a limiting groove 6 is arranged at the inner top of each vent hole 3, after an activated carbon plate 26 is lifted, a sliding strip 27 positioned above the activated carbon plate can be clamped into the corresponding limiting groove 6, an activated carbon plate 26 is arranged in each sliding groove 25, the activated carbon plate 26 is a plate composed of activated carbon and a net frame, air can be dried, the upper end and the lower end of each activated carbon plate 26 are fixedly connected with sliding strips 27, each sliding strip 27 is connected with the inner wall of the corresponding sliding groove 25 in a sliding mode, an electromagnet 30 is installed at the inner bottom of each sliding groove 25, each sliding strip 27 located below is magnetic, and after the corresponding electromagnet 30 is electrified, the adjacent surfaces of the sliding strips are in like-pole repulsion;

as an embodiment of the present invention, in order to trigger in rainy days, the present invention further comprises a trigger mechanism, the trigger mechanism comprises trigger slots 7 arranged at the upper end of the housing 1, each trigger slot 7 is internally provided with a water collecting box 8 for sliding up and down, the inner bottom of the water collecting box 8 is provided with a heating plate 17, a conductive strip 16 is horizontally arranged on the water collecting box 8 in a penetrating manner, the inner walls of both sides of the trigger slot 7 are respectively provided with a first conductive strip 9 matched with the conductive strip 16, the lower end of the water collecting box 8 is elastically connected with the inner bottom of the trigger slot 7 through a plurality of restoring springs 10, the water collecting box 8 is made of a lighter material, the elastic coefficient of the restoring springs 10 is smaller, so that when a rain falls on the water collecting box 8, the water collecting box 8 moves down and the conductive strip 16 contacts with the two first conductive strips 9, a power supply is further arranged therein, the power supply and the electromagnet 30 are a loop, when the conductive strip 16 contacts the two first conductive sheets 9, the electromagnet 30 will work;

as an embodiment of the present invention, in order to raise the activated carbon plate 26, a conductive box 18 is installed at the inner bottom of the trigger slot 7, a conductive plate 20 for sliding up and down is installed in the conductive box 18, the lower end of the conductive plate 20 is elastically connected with the inner bottom of the corresponding conductive box 18 through a plurality of connecting springs 22, second conductive plates 19 matched with the conductive plate 20 are respectively installed on the inner walls of both sides of the conductive box 18, a support rod 21 matched with the lower end of the water collection box 8 is fixedly connected to the upper end of the conductive plate 20, the bottom space of the conductive box 18 is communicated with the inner space of the installation chamber 2 through a one-way air inlet pipe 23 and a one-way air outlet pipe 24, a one-way valve is installed in each of the one-way air inlet pipe 23 and the one-way air outlet pipe 24, the one-way air inlet pipe 23 ensures the one-way up movement of the gas, the one-way air outlet pipe 24 ensures the one-way up movement of the gas, the pipe diameter of the one-way air inlet pipe 23 is small, namely the speed of air entering the bottom space of the conductive box 18 is low;

as an embodiment of the invention, in order to ensure the heat dissipation efficiency of the power distribution cabinet in rainy days, the power distribution cabinet further comprises an active heat dissipation mechanism, the active heat dissipation mechanism comprises a mounting box 11 mounted at the bottom in the mounting chamber 2, a first hollow plate 12 and a fan 31 are mounted at the upper end of the mounting box 11, a plurality of air inlets are arranged on the upper end surface of the first hollow plate 12, an air inlet end of the fan 31 extends into the first hollow plate 12, a main pipe 13 is connected to an air outlet end of the fan 31, second hollow plates 29 are respectively arranged on the inner walls of the two sides of the mounting chamber 2, a plurality of connecting channels 28 are respectively communicated with one side of each second hollow plate 29 far away from the middle of the mounting chamber 2, a vertical pipe 15 is commonly communicated with one end of each connecting channel 28 far away from the corresponding second hollow plate 29, two branch pipes 14 are communicated with one end of each connecting channel 13 far away from the air outlet end of the fan 31, and the other ends of the two branch pipes 14 are respectively communicated with the two second hollow plates 29, the two sliding grooves 25 penetrate through the corresponding connecting channels 28, and the power supply, the blower 31 and the heating plate 17 form a loop, and when the conductive plate 20 contacts the two second conductive sheets 19, the heating plate 17 and the blower 31 are started.

In the normal use process, passive heat dissipation is carried out through the two ventilation openings 3, and dust in the passive heat dissipation process is filtered through the filter screen 4;

when the rain weather occurs, some rainwater enters the water collecting box 8, so that the overall gravity of the water collecting box 8 is increased, the water collecting box 8 moves downwards and compresses the restoring spring 10, after moving downwards, the conductive strips 16 contact the two first conductive strips 9, the electromagnet 30 is electrified, after the electromagnet 30 is electrified, a large repulsive force is given to the corresponding sliding strip 27, the sliding strip 27 moves upwards, and the sliding strip 27 moves upwards to drive the activated carbon plate 26 to move upwards and ascend to the inside of the corresponding vent 3;

meanwhile, the downward movement of the water collecting box 8 can also support the supporting rod 21 to move downward, the conductive plate 20 moves downward after the supporting rod 21 moves downward and contacts the two second conductive sheets 19, so that the fan 31 and the heating plate 17 are electrified to work, the heating plate 17 works to heat water in the water collecting box 8, and water is evaporated (the evaporation speed is slow, the evaporation speed is lower than the rainfall speed in the rain falling process, the water is slowly evaporated after the rain is stopped, the gravity of the water collecting box 8 is reduced, and the water collecting box 8 moves upward under the elastic action of the recovery spring 10);

after the fan 31 is started, air is sucked from the air inlets through the first hollow plate 12 and the air inlets on the first hollow plate, hot air in the installation chamber 2 is sucked into the fan 31 and is exhausted to the outside through the main pipeline 13, the two branch pipelines 14, the two second hollow plates 29, the connecting channels 28 and the vertical pipe 15, air is supplemented from the outside through the two air vents 3, the supplemented air is dried through the activated carbon plate 26, the dryness of the air during heat dissipation is ensured, and the high-efficiency heat dissipation performance in rainy days and the dryness of the air entering the air during heat dissipation are effectively ensured through the arrangement of the activated carbon plate 26 and the fan 31;

when the rain stops, the water collected on the water collecting box 8 is evaporated by heating the heating plate 17, and after the water is slowly evaporated, the water collecting box 8 moves upwards (the moving speed of the current-conducting plate 20 is slow because the one-way air inlet pipe 23 is thin, and the moving speed of the current-conducting plate 8 is half of the moving speed of the water collecting box 8 because the pipe diameter of the one-way air inlet pipe 23 and the elastic water absorption setting of the connecting spring 22 and the restoring spring 10 can be used here), that is, after the current-conducting plate 16 moves upwards to the position where the current-conducting plate 16 no longer contacts with the two first current-conducting plates 9, the electromagnet 30 is powered off, the active carbon plate 26 is restored to the sliding groove 25 and is in the state shown in fig. 3, at this time, the current-conducting plate 20 is not separated from the two second current-conducting plates 19, the fan 31 is still in the starting state, the air humidity is reduced after the rain, the fan 31 draws the outside air into the installation chamber 2, and finally discharges the outside from the plurality of connecting channels 28, because the sliding groove 25 penetrates the connecting channel 28, the exhausted wind passes through the activated carbon plate 26, and the activated carbon plate 26 is quickly dried, so as to ensure the next use (it is noted here that, when the activated carbon plate 26 moves up to the ventilation opening 3 in rain, the sliding strip 27 positioned above is clamped into the limiting groove 6 positioned above, and the sliding strip 27 positioned below is just positioned at the notch of the sliding groove 25, so that the exhaust gas of the second hollow plate 29 directly passes through the middle space of the sliding groove 25 and is finally exhausted from the vertical pipe 15 without entering the ventilation opening 3);

when the conducting plate 20 moves up to be not contacted with the two second conducting plates 19, the whole power distribution cabinet is restored to the initial state.

Example 2

Referring to fig. 6-7, this embodiment is different from embodiment 1 in that, be equipped with rectangular cavity 32 in the mounting box 11, main pipeline 13 runs through rectangular cavity 32, main pipeline 13 is located rectangular cavity 32 inside and is the zigzag, main pipeline 13 is located rectangular cavity 32 inside and adopts the heat conduction material to make, rectangular cavity 32 intussuseption is filled with phase change material, phase change material can collect the heat, and mounting box 11 adopts the material that separates the temperature, main pipeline 13 is located the part and the small transfer line 14 of installation room 2 and two hollow plates 29 of second all adopt the material that separates the temperature to make, the condition of avoiding the heat to enter into installation room 2 again in the transfer process appears.

In this embodiment, after fan 31 starts in rainy day, when the electric quantity of rainy day uses and increases, the switch board load is big, the inside heat dissipation capacity of switch board is big, fan 31 is when airing exhaust through trunk line 13, can transmit some high temperatures for phase change material in rectangular cavity 32, phase change material becomes liquid (can store the heat) after the heat absorption, make continuous heat storage in rectangular cavity 32, and fan 31 is in the period that the rain stops the back and starts, the heat in trunk line 13 is lower, after through rectangular cavity 32, can absorb partly heat energy of storing, and then final rain stops the back, it is higher to carry out quick air-dried gas temperature to activated carbon plate 26, air-dried effect is better.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a rainy area is with dampproofing switch board, includes casing (1), its characterized in that, be equipped with installation room (2) in casing (1), all be provided with vent (3) on the both sides inner wall of installation room (2), every all install filter screen (4) in vent (3), every the interior bottom of vent (3) all is provided with sliding tray (25), every the interior top of vent (3) all is provided with spacing groove (6), every all be provided with activated carbon plate (26) in sliding tray (25), every the upper and lower end of activated carbon plate (26) all fixedly connected with sliding strip (27), every sliding strip (27) all with the inner wall sliding connection of corresponding sliding tray (25), every electromagnet (30) are all installed to the interior bottom of sliding tray (25), lie in below every sliding strip (27) all have magnetism, after the corresponding electromagnet (30) is electrified, the adjacent surfaces repel each other in the same polarity; the moisture-proof power distribution cabinet further comprises a trigger mechanism, the trigger mechanism comprises trigger grooves (7) arranged at the upper end of the shell (1), each trigger groove (7) is internally provided with a water collecting box (8) used for sliding up and down, the inner bottom of each water collecting box (8) is provided with a heating plate (17), a conductive bar (16) horizontally penetrates through each water collecting box (8), the inner walls of the two sides of each trigger groove (7) are respectively provided with a first conductive sheet (9) matched with the conductive bar (16), and the lower end of each water collecting box (8) is elastically connected with the inner bottom of each trigger groove (7) through a plurality of recovery springs (10); when rainwater falls on the water collecting box (8), the water collecting box (8) moves downwards, the conducting strips (16) are enabled to contact the two first conducting strips (9), a power supply is further arranged, the power supply and the electromagnet (30) are arranged in a loop, and after the conducting strips (16) contact the two first conducting strips (9), the electromagnet (30) works.

2. The moisture-proof power distribution cabinet for the rainy region according to claim 1, wherein inclined baffles (5) for keeping off rain are installed on two sides of the shell (1), and each inclined baffle (5) is located at the corresponding vent (3).

3. The moisture-proof power distribution cabinet for the rainy region according to claim 2, wherein a conductive box (18) is installed at the inner bottom of the trigger slot (7), a conductive plate (20) which can slide up and down is arranged in the conductive box (18), the lower end of the conductive plate (20) is elastically connected with the inner bottom of the corresponding conductive box (18) through a plurality of connecting springs (22), second conductive plates (19) matched with the conductive plate (20) are arranged on the inner walls of the two sides of the conductive box (18), a supporting rod (21) matched with the lower end of the water collecting box (8) is fixedly connected to the upper end of the conductive plate (20), and the bottom space of the conductive box (18) is communicated with the inner space of the installation chamber (2) through a one-way air inlet pipe (23) and a one-way exhaust pipe (24).

4. The moisture-proof power distribution cabinet for the rainy region according to claim 3, wherein the one-way air inlet pipe (23) and the one-way air outlet pipe (24) are both internally provided with one-way valves.

5. The moisture-proof power distribution cabinet for the rainy region according to claim 1, further comprising an active heat dissipation mechanism, wherein the active heat dissipation mechanism comprises a mounting box (11) mounted at the bottom in the mounting chamber (2), a first hollow plate (12) and a fan (31) are mounted at the upper end of the mounting box (11), a plurality of air inlets are formed in the upper end surface of the first hollow plate (12), an air inlet end of the fan (31) extends into the first hollow plate (12), an air outlet end of the fan (31) is connected with a main pipeline (13), second hollow plates (29) are respectively arranged on the inner walls of the two sides of the mounting chamber (2), one side of each second hollow plate (29) far away from the middle part of the mounting chamber (2) is communicated with a plurality of connecting channels (28), and one ends of the plurality of connecting channels (28) far away from the corresponding second hollow plates (29) are communicated with a vertical pipe (15) together, the one end that main pipeline (13) kept away from fan (31) air-out end communicates has two branch pipes (14), two the other end of branch pipe (14) communicates with two second hollow slabs (29) respectively.

6. The moisture-proof power distribution cabinet for the rainy areas as recited in claim 5, wherein two sliding grooves (25) penetrate through a plurality of corresponding connecting channels (28).

7. The moisture-proof power distribution cabinet for the rainy region according to claim 5, wherein a rectangular cavity (32) is formed in the mounting box (11), the main pipeline (13) penetrates through the rectangular cavity (32), the inner part of the main pipeline (13) located in the rectangular cavity (32) is in a zigzag shape, the inner part of the main pipeline (13) located in the rectangular cavity (32) is made of a heat conduction material, and the rectangular cavity (32) is filled with a phase-change material.