CN211701871U

CN211701871U - High-efficiency photovoltaic inverter device

Info

Publication number: CN211701871U
Application number: CN202020372495.1U
Authority: CN
Inventors: 阮胜超
Original assignee: Shenzhen Pengyuan Electronics Co ltd
Current assignee: Shenzhen Pengyuan Electronics Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-10-16
Anticipated expiration: 2030-03-19

Abstract

The utility model belongs to the technical field of photovoltaic inverters, in particular to a high-efficiency photovoltaic inverter device, aiming at the problem that when the existing photovoltaic inverter is used, a large amount of fans are needed to dissipate heat, which increases the use cost, the proposal is provided, which comprises a box body, wherein the inner walls of the two sides of the box body are fixedly provided with a same transverse plate, the transverse plate is provided with a cavity, the top of the transverse plate is provided with a plurality of air outlets communicated with the cavity, the side wall of the box body is fixedly provided with the fans, the air outlet of the fans is fixedly provided with one end of a connecting pipe, the other end of the connecting pipe is fixedly connected with the transverse plate, and the connecting pipe is communicated with the cavity, the utility model can effectively dissipate heat in the box body by one fan, plays a dustproof role through two dustproof nets, prevents dust from entering the, prevent to block up, guarantee the radiating effect, simple structure, convenient operation.

Description

High-efficiency photovoltaic inverter device

Technical Field

The utility model relates to a photovoltaic inverter technical field especially relates to an efficient photovoltaic inverter device.

Background

Photovoltaic inverters are inverters that convert variable dc voltage produced by Photovoltaic (PV) solar panels into mains frequency Alternating Current (AC), which can be fed back to a commercial power transmission system or used by an off-grid power grid.

Through searching, publication No.: CN207625454U patent document discloses a high efficiency photovoltaic inverter, which comprises a box body, wherein a dc input circuit and an ac power grid are respectively arranged on two sides of the outside of the box body, a dc booster, a buck converter, a controller, a power consumption measurer, a dc-ac converter and a heat dissipation mechanism are arranged inside the box body, the input ends of the dc booster and the buck converter are respectively connected with the output ends of the dc input circuit and the controller, the output ends of the dc booster and the buck converter are connected with the input ends of the power consumption measurer and the dc-ac converter, the output end of the power consumption measurer is connected with the input end of the controller, the output end of the controller is connected with the input end of the dc-ac converter, and the output end of the dc-ac converter is connected with the ac power grid.

However, when the photovoltaic inverter is used, a large number of fans are needed to dissipate heat, and the use cost is increased, so a high-efficiency photovoltaic inverter device is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving photovoltaic inverter and when using, need use a large amount of fans to dispel the heat, increased use cost's shortcoming, and the efficient photovoltaic inverter device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an efficient photovoltaic inverter device, comprises a box bod, fixed mounting has same diaphragm on the both sides inner wall of box body, has seted up the cavity on the diaphragm, and a plurality of exhaust vents that are linked together with the cavity are seted up to the top of diaphragm, the lateral wall fixed mounting of box body has the fan, and the air outlet fixed mounting of fan has the one end of connecting pipe, the other end and the diaphragm fixed connection of connecting pipe, and the connecting pipe is linked together with the cavity, has all seted up the through-hole on the top inner wall of box body and the bottom inner wall, and fixed frame is all installed to the top and the bottom of box body, and equal fixed mounting has the dust screen in two fixed frames, the top and the equal fixed mounting.

Preferably, the equal fixed mounting in both sides of two fixed frames has the fixed block, and the fixed block all has seted up the slot with one side of two fixed blocks of corresponding of two fixed frames with one side, and one side slidable mounting of box body has the connecting plate, and one side fixed mounting of connecting plate has two inserted bars, and the one end of two inserted bars is respectively with two slot looks joints.

Preferably, a sliding hole is formed in the insertion rod above the box body, a clamping rod is slidably mounted in the sliding hole, a first clamping groove and a second clamping groove are formed in the top of the box body, the bottom end of the clamping rod is clamped with the first clamping groove, a pulling block is fixedly mounted at the top of the clamping rod, one end of a spring is fixedly mounted at the bottom of the pulling block, and the other end of the spring is fixedly connected with the insertion rod.

Preferably, two guide grooves are formed in one side of the box body, two guide rods are fixedly mounted on one side of the connecting plate, and the two guide rods are respectively connected with the side walls of the two guide grooves in a sliding mode.

Preferably, the connecting holes are formed in one side of each fixing plate, and the outer sides of the two inserting rods are respectively connected with the side walls of the two connecting holes in a sliding mode.

Compared with the prior art, the utility model has the advantages of:

(1) when the scheme is used, external air is extracted through the fan, the air enters the cavity through the connecting pipe and is blown out through the air outlet holes, so that the heat of the interior of the box body is dissipated, and the dustproof effect is achieved through the two dustproof nets, so that dust is prevented from entering the box body;

(2) when the dust screen needs to be disassembled and cleaned, the clamping rod is pulled upwards through the pulling block to be separated from the first clamping groove, the spring is stressed and stretched, then the pulling block is pulled rightwards along the situation to separate the two inserting rods from the two inserting grooves, when the clamping rod is aligned with the second clamping groove, the spring is reset, the clamping rod is inserted into the second clamping groove, the positions of the inserting rods are fixed, then the two fixing frames are pulled from the side edges to separate the fixing blocks from the notches, the disassembling of the fixing frames is completed, the dust screen on the fixing frames is convenient to clean, the blockage is prevented, and the heat dissipation effect is ensured;

(3) the utility model discloses a fan can effectually dispel the heat in the box body, plays dirt-proof effect through two dust screens, avoids the dust to get into the box body, is convenient for wash the dust screen simultaneously, prevents to block up, guarantees the radiating effect, simple structure, convenient operation.

Drawings

Fig. 1 is a schematic structural diagram of a high-efficiency photovoltaic inverter apparatus provided by the present invention;

fig. 2 is a schematic structural diagram of a portion a of a high-efficiency photovoltaic inverter apparatus according to the present invention;

fig. 3 is a schematic view of a three-dimensional structure of a fixing plate of the high-efficiency photovoltaic inverter device provided by the present invention.

In the figure: the dust-proof box comprises a box body 1, a through hole 2, a transverse plate 3, a cavity 4, an air outlet 5, a fan 6, a connecting pipe 7, a fixing plate 8, a fixing frame 9, a dust screen 10, a fixing block 11, a slot 12, a connecting plate 13, an inserted rod 14, a clamping rod 15, a first clamping groove 16, a second clamping groove 17 and a spring 18.

Detailed Description

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

Example one

Referring to fig. 1-3, an efficient photovoltaic inverter device, including box body 1, fixed mounting has same diaphragm 3 on the both sides inner wall of box body 1, cavity 4 has been seted up on diaphragm 3, a plurality of exhaust vents 5 that are linked together with cavity 4 have been seted up at the top of diaphragm 3, the lateral wall fixed mounting of box body 1 has fan 6, the air outlet fixed mounting of fan 6 has the one end of connecting pipe 7, the other end and the diaphragm 3 fixed connection of connecting pipe 7, and connecting pipe 7 is linked together with cavity 4, through-hole 2 has all been seted up on the top inner wall of box body 1 and the bottom inner wall, fixed frame 9 is all installed to the top and the bottom of box body 1, equal fixed mounting has dust screen 10 in two fixed frames 9, the top of box body 1 and the equal fixed mounting in bottom have two fixed plates 8.

In this embodiment, fixed blocks 11 are fixedly mounted on two sides of two fixed frames 9, the fixed blocks 11 are clamped with corresponding notches, slots 12 are respectively formed in one sides of the two fixed blocks 11 on the same side of the two fixed frames 9, a connecting plate 13 is slidably mounted on one side of the box body 1, two insertion rods 14 are fixedly mounted on one side of the connecting plate 13, one ends of the two insertion rods 14 are clamped with the two slots 12 respectively, and the insertion rods 14 are clamped with the slots 12 to fix the fixed blocks 11.

In this embodiment, a slide hole has been seted up on the inserted bar 14 that is located box body 1 top, slidable mounting has kelly 15 in the slide hole, first draw-in groove 16 and second draw-in groove 17 have been seted up at the top of box body 1, the bottom and the first draw-in groove 16 of kelly 15 clamp mutually, the top fixed mounting of kelly 15 draws the piece, the bottom fixed mounting who draws the piece has the one end of spring 18, the other end and the 14 fixed connection of inserted bar of spring 18, spring 18 restricts kelly 15, increase kelly 15's stability.

In this embodiment, two guide ways have been seted up to one side of box body 1, and one side fixed mounting of connecting plate 13 has two guide bars, two guide bars respectively with the lateral wall sliding connection of two guide ways, guide bar and guide way can make the stable slip of connecting plate 13.

In this embodiment, the connecting holes are formed in one side of each of the two fixing plates 8, and the outer sides of the two inserting rods 14 are slidably connected to the side walls of the two connecting holes respectively.

Example two

Referring to fig. 1-3, a high efficiency photovoltaic inverter device comprises a box body 1, wherein the inner walls of the two sides of the box body 1 are fixedly provided with a same transverse plate 3 through bolts, the transverse plate 3 is provided with a cavity 4, the top of the transverse plate 3 is provided with a plurality of air outlet holes 5 communicated with the cavity 4, the side wall of the box body 1 is fixedly provided with a fan 6 through bolts, the air outlet of the fan 6 is fixedly provided with one end of a connecting pipe 7 through bolts, the other end of the connecting pipe 7 is fixedly connected with the transverse plate 3, and connecting pipe 7 is linked together with cavity 4, has all seted up through-hole 2 on the top inner wall of box body 1 and the bottom inner wall, and fixed frame 9 is all installed to the top of box body 1 and bottom, all has dust screen 10 through bolt fixed mounting in two fixed frames 9, and two fixed plates 8 are all installed through bolt fixed mounting to the top of box body 1 and bottom, and one side of four fixed plates 8 all is equipped with the breach. Specific structures of photovoltaic inverter devices have been disclosed in the publication nos.: the patent document of CN207625454U is disclosed in detail, and is not repeated herein for the prior art.

In this embodiment, fixed blocks 11 are fixedly mounted on two sides of two fixed frames 9 through bolts, the fixed blocks 11 are clamped with corresponding notches, slots 12 are respectively formed in one sides of the two fixed blocks 11 on the same side of the two fixed frames 9, a connecting plate 13 is slidably mounted on one side of the box body 1, two insertion rods 14 are fixedly mounted on one side of the connecting plate 13 through bolts, one ends of the two insertion rods 14 are clamped with the two slots 12 respectively, and the insertion rods 14 are clamped with the slots 12 to fix the fixed blocks 11.

In this embodiment, be located and seted up the slide opening on the inserted bar 14 of box body 1 top, slidable mounting has kelly 15 in the slide opening, first draw-in groove 16 and second draw-in groove 17 have been seted up at the top of box body 1, the bottom and the first draw-in groove 16 of kelly 15 clamp mutually, there is the piece that draws at the top of kelly 15 through bolt fixed mounting, the bottom of drawing the piece has the one end of spring 18 through bolt fixed mounting, the other end and the 14 fixed connection of inserted bar of spring 18, spring 18 restricts kelly 15, increase kelly 15's stability.

In this embodiment, two guide ways have been seted up to one side of box body 1, and there are two guide bars one side of connecting plate 13 through bolt fixed mounting, two guide bars respectively with the lateral wall sliding connection of two guide ways, guide bar and guide way can make the stable slip of connecting plate 13.

In the embodiment, when the air cooler is used, external air is extracted by the fan 6, the air enters the cavity 4 through the connecting pipe 7 and is blown out from the air outlet holes 5, so that the inside of the box body 1 is cooled, the external air enters the box body 1 through the through holes 2 at the bottom of the box body 1, hot air is discharged through the through holes 2 at the top of the box body 1, so that the air in the box body 1 is rapidly circulated, the dust is prevented from entering the box body 1 by the two dust screens 10, when the dust screens 10 need to be disassembled and cleaned, the clamping rod 15 is pulled upwards by the pull block to separate the clamping rod 15 from the first clamping groove 16, the spring 18 is stressed and stretched, the pull block is pulled rightwards along the trend, the pull block drives the inserting rod 14 to move rightwards through the clamping rod 15, the inserting rod 14 drives the other inserting rod 14 to move rightwards through the connecting plate 13, so that the two inserting rods 14 separate from the two, remove the fixed to fixed block 11, when kelly 15 aligns with second draw-in groove 17, spring 18 resets, makes kelly 15 insert in second draw-in groove 17, fixes the position of inserted bar 14, follows two fixed frames 9 of side pulling afterwards, makes fixed block 11 break away from the breach, accomplishes the dismantlement to fixed frame 9, is convenient for wash dust screen 10 on the fixed frame 9, prevents to block up, guarantees the radiating effect.

The above descriptions are only preferred embodiments 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 scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides an efficient photovoltaic inverter device, includes the box body, its characterized in that, fixed mounting has same diaphragm on the both sides inner wall of box body, has seted up the cavity on the diaphragm, and a plurality of exhaust vents that are linked together with the cavity are seted up at the top of diaphragm, the lateral wall fixed mounting of box body has the fan, and the air outlet fixed mounting of fan has the one end of connecting pipe, the other end and the diaphragm fixed connection of connecting pipe, and the connecting pipe is linked together with the cavity, has all seted up the through-hole on the top inner wall of box body and the bottom inner wall, and fixed frame is all installed to the top and the bottom of box body, and equal fixed mounting has the dust screen in two fixed frames, the top and the equal fixed mounting.

2. The device of claim 1, wherein two fixing blocks are fixedly mounted on two sides of the two fixing frames, the fixing blocks are connected with the corresponding notches in a snap-fit manner, slots are formed in one side of the two fixing blocks on the same side of the two fixing frames, a connecting plate is slidably mounted on one side of the box body, two insertion rods are fixedly mounted on one side of the connecting plate, and one ends of the two insertion rods are connected with the two slots in a snap-fit manner.

3. The high-efficiency photovoltaic inverter device according to claim 2, wherein the insertion rod above the box body is provided with a sliding hole, a clamping rod is slidably mounted in the sliding hole, the top of the box body is provided with a first clamping groove and a second clamping groove, the bottom end of the clamping rod is clamped with the first clamping groove, the top of the clamping rod is fixedly provided with a pull block, the bottom of the pull block is fixedly provided with one end of a spring, and the other end of the spring is fixedly connected with the insertion rod.

4. The high-efficiency photovoltaic inverter device as claimed in claim 1, wherein the box body has two guide slots formed on one side thereof, and two guide rods are fixedly mounted on one side of the connecting plate and slidably connected to the side walls of the two guide slots, respectively.

5. The high-efficiency photovoltaic inverter device as claimed in claim 1, wherein the two fixing plates are each provided with a connecting hole at one side thereof, and the outer sides of the two insertion rods are slidably connected to the side walls of the two connecting holes.