CN211239788U

CN211239788U - Photovoltaic power plant is with exchanging collection flow box

Info

Publication number: CN211239788U
Application number: CN201922501656.2U
Authority: CN
Inventors: 李绍锋
Original assignee: Shaoxing Sole Energy Co ltd
Current assignee: Shaoxing Sole Energy Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-11
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a photovoltaic power plant is with exchanging collection flow box relates to electrical control cabinet, aims at solving the interior dust of box and piles up easily and mix and influence the life of components and parts with moisture, and its technical scheme main points are: the box door is hinged to the box body, a plurality of dust collecting devices are fixedly connected to the box door, each dust collecting device comprises a connecting box fixedly connected with the box door, a negative pressure fan is arranged on one side, back to the box door, of each connecting box, the connecting boxes are jointly connected with a dust collecting box located in the box body, and the dust collecting boxes are detachably connected to the box door. The utility model discloses a dust extraction carries out the dust absorption operation to the dust in the box to carry to the dust collection box in through negative pressure fan, thereby reduce the dust that adsorbs on the components and parts surface, guarantee the environment of components and parts work, avoid dust and moisture to mix and corrode components and parts.

Description

Photovoltaic power plant is with exchanging collection flow box

Technical Field

The utility model relates to an electrical control cabinet, more specifically say, it relates to a photovoltaic power plant is with exchanging collection flow box.

Background

The junction box is characterized in that a user can connect photovoltaic cells with a certain number and the same specification in series to form photovoltaic strings, then the photovoltaic strings are connected into the photovoltaic junction box in parallel, and after the photovoltaic junction box is internally connected with a junction box, the photovoltaic junction box is matched with a controller, a direct-current power distribution cabinet, a photovoltaic inverter and an alternating-current power distribution cabinet to form a complete photovoltaic power generation system, so that grid connection with a mains supply is realized.

However, a common ac combiner box does not have a good dustproof effect, and when dust is accumulated on the surface of a bare component, if moisture in air is absorbed, the bare component is corroded, so that the insulation degree, short circuit, grounding and other faults of the component are caused, and the service life of the component is affected.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a photovoltaic power plant is with exchanging collection flow box carries out the dust absorption operation through dust extraction to the dust in the box to carry to the dust collection box in through negative pressure fan, thereby reduce the dust that adsorbs on components and parts surface, guarantee the environment of components and parts work, avoid dust and moisture to mix and corrode components and parts.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a photovoltaic power plant is with exchanging collection flow box, includes the box and with box articulated chamber door, a plurality of dust extraction of fixedly connected with on the chamber door, dust extraction include with chamber door fixed connection's connecting box, one side that the connecting box dorsad chamber door sets up negative pressure fan, and is a plurality of the connecting box is connected with the dust collection box that is located the box jointly, the connection can be dismantled on the chamber door to the dust collection box.

Through adopting above-mentioned technical scheme, through setting up dust extraction on the chamber door, when the chamber door is closed, can carry out the dust absorption operation to the box inside through negative pressure fan, owing to connect and the dust absorption fan sets up on the chamber door, thereby when the chamber door is closed, make negative pressure fan can just to the electrical components and parts of box inside, thereby play better dust removal effect, and collect the dust after the negative pressure dust absorption through the dust collection box that is located the box, thereby reduce the dust that converges the incasement, and then avoid the dust accumulation to influence components and parts radiating effect on naked components and parts surface, and avoid the dust to save at components and parts because the dust and moisture contact and influence the life of components and parts.

The utility model discloses further set up to: the dust collection box is characterized in that a plurality of positioning holes are formed in the top end of the dust collection box, an L-shaped positioning piece is arranged on the box door, the horizontal end of the positioning piece is fixedly connected with the box door, and the vertical end of the positioning piece is arranged towards the top end of the box door.

Through adopting above-mentioned technical scheme, through setting up locating hole and setting element, make things convenient for people to install the dust collection box to the setting element is L shape, can let the dust collection box pass the setting element through the locating hole and can dismantle with the chamber door and be connected.

The utility model discloses further set up to: the bottom end of the dust collection box is provided with a limiting plate, and the box door is connected with a limiting piece in a sliding mode and used for limiting the separation of the dust collection box and the box door.

Through adopting above-mentioned technical scheme, through setting up the limiting plate in the bottom of dust collection box, and can restrict dust collection box and chamber door separation through the restriction piece of sliding connection on the chamber door to make the connection that the dust collection box can be firm on the chamber door, can collect the dust that dust collecting device absorbs, reduce the dust volume in the box, the increase is to the protection of components and parts.

The utility model discloses further set up to: the limiting plate is provided with a limiting groove, the box door is provided with a guide groove communicated with the limiting groove, the limiting piece is connected in the guide groove in a sliding mode, and one end of the limiting groove is provided with a through hole used for accommodating the limiting piece to penetrate through.

Through adopting above-mentioned technical scheme, through the setting of restriction groove and guide way to can play the effect of direction to the restriction piece, run through the restriction groove when the restriction piece, thereby play the fixed effect of restriction to the restriction piece.

The utility model discloses further set up to: the limiting piece is T-shaped, and the large end of the limiting piece faces the direction of the dust collection box.

Through adopting above-mentioned technical scheme, the restriction piece is the T word line, runs through the through-hole when the big end of restriction piece, and slides the restriction piece and make the big end of restriction piece support in the restriction board to avoid when opening and shutting the chamber door, the condition that the dust collection box appears rocking.

The utility model discloses further set up to: one side of the dust collection box is communicated with a dust outlet pipe, and one end of the dust outlet pipe, which is far away from the dust collection box, is in threaded connection with a piston.

Through adopting above-mentioned technical scheme, through setting up out the dirt pipe for people can be through handheld dust catcher and play dirt pipe intercommunication when the dust in the clearance box body and dust collection box, and then clear up the dust in the dust collection box.

The utility model discloses further set up to: a plurality of air grooves are formed in the two sides of the box body, air inlet fans are fixedly connected in the air grooves, and drying plates located at the air grooves are fixedly connected to the outer peripheral wall of the box body.

Through adopting above-mentioned technical scheme, set up the air channel through the both sides at the box, and set up air intake fan to increase the ventilation effect of collection flow box, dispel the heat to components and parts, guarantee the life of components and parts, and set up the drying plate that is located air channel department in the outside of box, can absorb the moisture in the outside air, reduce the moisture that gets into in the box, avoid moisture and dust contact and lead to naked components and parts the condition that short circuit, quilt corrode to appear.

The utility model discloses further set up to: and a dust screen positioned in the vent groove is fixedly connected in the box body.

Through adopting above-mentioned technical scheme, through the setting of dust screen, when outside air passes through the air channel and gets into in the box, can be carried out the check by the dust screen and keep off, further obstruct outside dust and get into the box, improved the protection effect to components and parts.

To sum up, the utility model discloses following beneficial effect has:

through set up dust extraction on the chamber door, when the chamber door is closed, can carry out the dust absorption operation to the box inside through negative pressure fan, owing to connect and dust absorption fan sets up on the chamber door, thereby when the chamber door is closed, make negative pressure fan can just to the inside electrical components and parts of box, thereby play better dust removal effect, and collect the dust after the negative pressure dust absorption through the dust collection box that is located the box, thereby reduce the dust that converges the incasement, and then avoid the dust accumulation to influence components and parts radiating effect on naked components and parts surface, and avoid the dust to save at components and parts dust and moisture contact and influence the life of components and parts.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

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

FIG. 3 is an enlarged view of the portion B of FIG. 1;

FIG. 4 is a second schematic structural view of the present invention;

FIG. 5 is an enlarged view of section C of FIG. 4;

fig. 6 is an enlarged schematic view of a portion D of fig. 4.

In the figure: 1. a box body; 2. a box door; 3. a connection box; 4. a negative pressure fan; 5. a dust collection box; 6. positioning holes; 7. a positioning member; 8. a limiting plate; 9. a limiting member; 10. a limiting groove; 11. a guide groove; 12. a through hole; 13. a dust outlet pipe; 14. a vent channel; 15. an air intake fan; 16. drying the plate; 17. a dust screen.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

An alternating current confluence box for a photovoltaic power station is shown in figures 1 to 6 and comprises a box body 1 and a box door 2 hinged with the box body 1, wherein a plurality of vent grooves 14 are formed in two sides of the box body 1, an air inlet fan 15 is fixedly connected in each vent groove 14, so that air outside the box body 1 is sucked into the box body 1, a drying plate 16 positioned at the vent grooves 14 is fixedly connected on the outer peripheral wall of the box body 1, the drying plate 16 is made of water-absorbent resin, a dustproof net 17 positioned in each vent groove 14 is fixedly connected in the box body 1, the dustproof net 17 is made of activated carbon cotton, a plurality of dust suction devices are fixedly connected on one side of the box door 2 facing the interior of the box body 1 through bolts, each dust suction device comprises a connecting box 3 fixedly connected with the box door 2, a negative pressure fan 4 is arranged on one side of the connecting box 3 opposite to the box door 2, and the connecting boxes 3 are commonly, the dust collection box 5 is cuboid, the dust collection box 5 is detachably connected on the box door 2, a plurality of positioning holes 6 are arranged at the top end of the dust collection box 5, a limiting plate 8 is arranged at the bottom end of the dust collection box 5, and an L-shaped positioning piece 7 is arranged on the box door 2, a limiting piece 9 used for limiting the separation of the dust collection box 5 and the box door 2 is connected on the box door 2 in a sliding way, the limiting piece 9 is T-shaped, the big end of the limiting piece 9 is arranged towards the dust collection box 5, the horizontal end of the positioning piece 7 is fixedly connected with the box door 2, the vertical end of the positioning piece 7 is arranged towards the top end of the box door 2, wherein seted up restriction groove 10 on the restriction board 8, seted up the guide way 11 with restriction groove 10 intercommunication on the chamber door 2, restriction piece 9 sliding connection is in guide way 11, and the through-hole 12 that is used for holding restriction piece 9 and passes is seted up to the one end of restriction groove 10, and one side intercommunication of dust collection box 5 has a dust outlet pipe 13, and the one end threaded connection who keeps away from dust collection box 5 of dust outlet pipe 13 has the piston.

The components are arranged inside the box body 1, then the negative pressure fan 4 and the air inlet fan 15 are electrified, so that the air inlet fan 15 rotates, the air pressure difference is carried out inside and outside the box body 1, the external air enters the box body 1, the ventilation effect of the box body 1 can be increased, the heat accumulated on the components is conducted, the heat dissipation is carried out on the components, the influence of the accumulated heat on the service life of the components is avoided, in addition, through the drying plate 16 and the dustproof net 17 arranged on the box body 1, when the external air sequentially passes through the drying plate 16 and the dustproof net 17, the drying plate 16 made of the water-absorbent resin material absorbs the moisture in the air, a certain adsorption effect on the dust in the air can be realized, in addition, the dust in the air is blocked through the dustproof net 17 made of the activated carbon cotton material, and the moisture and the dust outside the box body 1 are enabled not to easily enter the box body, thereby reducing the accumulation of dust in the box body 1 and avoiding the corrosion of the surface of the components caused by the mixing of the dust and the moisture in the air, thereby prolonging the service life of the components, and when the negative pressure fan 4 rotates, the generated air flow in the box body 1 can be driven, so that the dust enters the connecting box 3 along with the air flow through the negative pressure fan 4, thereby reducing the dust in the box body 1, because the negative pressure fan 4 and the connecting box 3 are arranged on the box door 2, when the box door 2 is closed, a plurality of negative pressure fans 4 are over against the components in the box body 1, thereby the dust on the components is sucked into the connecting box 3 under the action of the negative pressure fan 4, when the dust enters the connecting box 3 and is sent into the dust collection box 5 through the air pipe, the dust in the box body 1 can be collected, so that when people check whether the components in the box body 1 normally work or not, the dust accumulation condition in the box body 1 can, and through handheld dust catcher and play dirt pipe 13 intercommunication, clear up the dust of dust collection incasement to make things convenient for people to the inspection of collection flow box, reduced people's clear pressure, and through the ventilation effect who guarantees the collection flow box, improved the radiating rate of components and parts during operation, and then guarantee the life of components and parts.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a photovoltaic power plant is with exchanging collection flow box which characterized in that: including box (1) and with box (1) articulated chamber door (2), a plurality of dust extraction of fixedly connected with on chamber door (2), dust extraction include with chamber door (2) fixed connection's connecting box (3), one side of connecting box (3) chamber door (2) dorsad sets up negative pressure fan (4), and is a plurality of connecting box (3) are connected with dust collection box (5) that are located box (1) jointly, dust collection box (5) can be dismantled and connect on chamber door (2).

2. The alternating current combiner box for the photovoltaic power station as recited in claim 1, wherein: the dust collection box is characterized in that a plurality of positioning holes (6) are formed in the top end of the dust collection box (5), a positioning piece (7) in an L shape is arranged on the box door (2), the horizontal end of the positioning piece (7) is fixedly connected with the box door (2), and the vertical end of the positioning piece (7) is arranged towards the top end of the box door (2).

3. The alternating current combiner box for the photovoltaic power station as recited in claim 2, wherein: the dust collection box is characterized in that a limiting plate (8) is arranged at the bottom end of the dust collection box (5), and a limiting piece (9) used for limiting the separation of the dust collection box (5) and the box door (2) is connected onto the box door (2) in a sliding mode.

4. The AC combiner box for the photovoltaic power station as recited in claim 3, wherein: restriction groove (10) have been seted up on restriction board (8), guide way (11) with restriction groove (10) intercommunication have been seted up on chamber door (2), restriction piece (9) sliding connection is in guide way (11), through-hole (12) that are used for holding restriction piece (9) and pass are seted up to the one end of restriction groove (10).

5. The AC combiner box for the photovoltaic power station as recited in claim 4, wherein: the limiting piece (9) is T-shaped, and the large end of the limiting piece (9) faces the dust collection box (5).

6. The alternating current combiner box for the photovoltaic power station as recited in claim 2, wherein: one side of the dust collection box (5) is communicated with a dust outlet pipe (13), and one end of the dust outlet pipe (13) far away from the dust collection box (5) is in threaded connection with a piston.

7. The alternating current combiner box for the photovoltaic power station as recited in claim 1, wherein: a plurality of air grooves (14) are formed in the two sides of the box body (1), air inlet fans (15) are fixedly connected into the air grooves (14), and drying plates (16) located at the air grooves (14) are fixedly connected onto the peripheral wall of the box body (1).

8. The ac combiner box for photovoltaic power plant of claim 7, wherein: the dust screen (17) positioned in the vent groove (14) is fixedly connected in the box body (1).