CN219876600U - Photovoltaic inverter room heat abstractor - Google Patents

Abstract

The utility model discloses a photovoltaic inverter room heat abstractor, which belongs to the field of photovoltaic inverters and comprises a box body, wherein a gas circulation device is arranged in the box body, a heat dissipation fan which is opposite to the box body is connected to the lower side of the box body, an air outlet of the heat dissipation fan faces to the outside of the box body, a filter screen is detachably connected to the outside of the box body, the filter screen corresponds to the heat dissipation fan, and a cleaning part is arranged between the filter screen and the box body. According to the photovoltaic inverter chamber heat dissipation device, the heat dissipation fan is arranged to cool the inside of the box body, and the cleaning component is used for cleaning dust on the filter screen at the air outlet of the heat dissipation fan, so that the filter screen is prevented from being blocked due to adhesion of dust. When the temperature in the box body is lower, the temperature in the box body is raised through the cooperation of the heating wire, the circulating fan and the conveying pipe.

Description

Photovoltaic inverter room heat abstractor

Technical Field

The utility model relates to the field of photovoltaic inverters, in particular to a photovoltaic inverter chamber heat dissipation device.

Background

The photovoltaic power generation is used as a clean energy source, no pollutant is discharged, the power can be generated and supplied on site without consuming fuel and erecting a power transmission line, the limitation of resource distribution regions is avoided, the photovoltaic power generation system can be built in regions with complex terrains, the operation is safe and reliable without noise, and the maintenance and the repair are not required to be performed by consuming a large amount of manpower and material resources.

When the temperature of the inverter is higher in summer, the heat dissipation system of the inverter body can solve the internal heat dissipation problem, but the heat dissipation efficiency in the inverter is lower. When the inverter is continuously used to generate larger heat, the inverter is operated in a high-temperature environment due to poor indoor heat dissipation of the inverter, and the temperature of the inverter is further higher than an alarm value. The service life of the IGBT is seriously affected and limited power operation occurs.

In addition, in northern areas of China, the wind and sand weather is more, dust can adhere to the filter screen after passing through the dustproof filter screen for a long time, and partial filter screen holes are easy to block, so that the heat dissipation effect of the heat dissipation fan of the inverter chamber is reduced, and the safe operation of equipment is also influenced. Therefore, the utility model provides a photovoltaic inverter chamber heat dissipation device.

Disclosure of Invention

The utility model aims at the defects in the prior art, and provides a photovoltaic inverter chamber heat dissipation device, wherein the inside of a box body can be cooled through the arrangement of a heat dissipation fan, a cleaning component removes dust from a filter screen, and when the temperature in the box body is lower, the temperature in the box body can be raised through a heating wire of a gas circulation device. In order to solve the technical problems, the utility model is solved by the following technical scheme.

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

the utility model provides a photovoltaic inverter room heat abstractor, includes the box, the inside gas circulation device that is provided with of box, the downside of box is connected with the radiator fan to propping, radiator fan's air outlet orientation outside the box, the box outside can be dismantled and be connected with the filter screen, the filter screen with radiator fan corresponds, the filter screen with be provided with between the box and clean the part.

Preferably, the gas circulation device comprises a heating wire, a circulation fan and a conveying pipe, and an air inlet and an air outlet of the circulation fan are respectively connected with the heating wire and the conveying pipe.

Preferably, the fan is fixed with the top of box, the conveyer pipe is in circulating fan's circumference is to evenly distributed, the lower extreme of heater strip is gas circulation device's air intake, the air intake is located the top central point of box puts.

Preferably, the air outlet of the conveying pipe faces to the center of the box body.

Preferably, a limiting frame is fixed on the box body, a slot is formed in front of the limiting frame and the box body, an inserting block is fixed at the edge of the filter screen, and the inserting block is matched with the slot.

Preferably, the insert block is connected with a fixing piece, and the fixing piece is connected with the box body.

Preferably, the cleaning component comprises a motor, a rotary table, a rotary rod, a reciprocating plate and a cleaning roller, wherein the motor is fixed with the rotary table together with the output shaft, the rotary rod is positioned at the edge of the rotary table, a reciprocating groove is formed in the reciprocating plate, and the reciprocating groove is matched with the rotary rod, the lower end of the reciprocating plate extends to the outer side of the box body and is fixed with the cleaning roller.

Preferably, the box body is provided with a chute for the reciprocating plate to move, and a sealing plate is arranged at the corresponding position of the reciprocating plate and the chute.

Preferably, the distance from the rotating rod to the center of the rotary table is greater than one half of the filter screen.

Preferably, a gear is fixed at the upper end of the cleaning roller, a rack is fixed on the box body, and the gear is meshed with the rack.

Compared with the prior art, the utility model has the following beneficial effects: according to the photovoltaic inverter chamber heat dissipation device, the heat dissipation fan is arranged to cool the inside of the box body, and the cleaning component is used for cleaning dust on the filter screen at the air outlet of the heat dissipation fan, so that the filter screen is prevented from being blocked due to adhesion of dust. When the temperature in the box body is lower, the temperature in the box body is raised through the cooperation of the heating wire, the circulating fan and the conveying pipe.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a photovoltaic inverter chamber heat dissipation device of the present utility model.

Fig. 2 is an enlarged schematic view of the photovoltaic inverter chamber heat sink of fig. 1 at a.

Fig. 3 is another schematic view of the photovoltaic inverter chamber heat sink of the present utility model.

Fig. 4 is an enlarged schematic view of the photovoltaic inverter chamber heat sink of fig. 3 at B of the present utility model.

Fig. 5 is a schematic view of a gas circulation device of the photovoltaic inverter chamber heat dissipation device of the present utility model.

Fig. 6 is an enlarged schematic view of the photovoltaic inverter chamber heat sink of fig. 5 at C of the present utility model.

Fig. 7 is a schematic view of a cleaning member of the photovoltaic inverter chamber heat sink of the present utility model.

Fig. 8 is a schematic view of a heater wire of the photovoltaic inverter chamber heat dissipation device of the present utility model.

Description of the figure: 1. a case; 11. a limit frame; 12. a slot; 13. a chute; 2. a gas circulation device; 21. a temperature control device; 22. a heating wire; 23. a circulating fan; 24. a delivery tube; 241. an air outlet; 3. a heat radiation fan; 4. a blower; 5. a filter screen; 51. inserting blocks; 6. a cleaning member; 61. a motor; 62. a turntable; 63. a rotating rod; 64. a shuttle plate; 641. a reciprocating groove; 642. a sealing plate; 65. a cleaning roller; 66. a gear; 67. a rack; 7. and a fixing piece.

Detailed Description

The present utility model is described in further detail below with reference to the accompanying drawings.

The following description is presented to enable one of ordinary skill in the art to practice the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present utility model.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Referring to fig. 1-8, a heat dissipation device for a photovoltaic inverter chamber includes a box 1, a gas circulation device 2 is disposed inside the box 1, a temperature control device 21 is further disposed inside the box 1, when the temperature in the box 1 is low, the gas circulation device 2 is started to raise the temperature in the box 1, so that the temperature in the box 1 is balanced, a heat dissipation fan 3 supported by the pair is connected to the lower side of the box 1, an air outlet 241 of the heat dissipation fan 3 faces the outside of the box 1, the heat dissipation fan 3 is located at two sides of the box 1, the air outlet 241 faces horizontally, naturally falling dust is prevented from entering the box 1 through the air outlet 241, a blower 4 is connected to the box 1 for blowing air into the box 1, a filter screen 5 is detachably connected to the outer side of the box 1, the filter screen 5 corresponds to the heat dissipation fan 3, a cleaning component 6 is disposed between the filter screen 5 and the box 1, when the temperature control device 21 detects that the temperature is higher than the set temperature, the blower 4 blows air into the box 1, the heat dissipation fan 3 is started, and the inside the box 1 is cooled.

The gas circulation device 2 comprises a heating wire 22, a circulation fan 23 and a conveying pipe 24, an air inlet and an air outlet 241 of the circulation fan 23 are respectively connected with the heating wire 22 and the conveying pipe 24, the heating wire 22 heats air, the circulation fan 23 conveys the heated air into a room through the conveying pipe 24, and the gas circulation device 2 is arranged in the box body 1, so that the heating time is reduced.

The fan is fixed with the top of box 1, and conveyer pipe 24 is at circulating fan 23 circumference to evenly distributed, and the lower extreme of heater strip 22 is the air intake of gas circulation device 2, and the air intake is located the top central point of box 1, and the air outlet 241 of gas circulation device 2 sets up the tip at conveyer pipe 24, and the air after the heating is evenly carried the air after the heating to box 1 middle part through conveyer pipe 24, and the cooperation of above-mentioned air intake and air outlet 241 has also realized the air cycle in the box 1.

The air outlet 241 of the conveying pipe 24 faces the center of the box body 1, the air is heated by the heating wire 22 and then is matched with the circulating fan 23, and the heated air is uniformly conveyed to the middle of the box body 1 through the air outlet 241 of the conveying pipe 24.

Be fixed with spacing frame 11 on box 1, form slot 12 before spacing frame 11 and box 1, the edge of filter screen 5 is fixed with inserted block 51, and inserted block 51 and slot 12 looks adaptation for radiator fan 3 is at the during operation, prevents that filter screen 5 from rocking, and slot 12 and inserted block 51 cooperation facilitate the installation and dismantle filter screen 5.

The insert block 51 is connected with the fixing piece 7, the fixing piece 7 is connected with the box body 1, the filter screen 5 and the box body 1 are fixed through the fixing piece 7, and the filter screen 5 is more stable by being matched with the limiting frame 11. The air outlet of the heat radiation fan is contacted with the boiler net 5.

The cleaning component 6 comprises a motor 61, a rotary table 62, a rotary rod 63, a reciprocating plate 64 and a cleaning roller 65, the cleaning roller 65 is used for cleaning dust on the filter screen 5, the motor 61 is fixed with the rotary table 62, the rotary rod 63 is positioned at the edge of the rotary table 62, a reciprocating groove 641 is formed in the reciprocating plate 64, the reciprocating groove 641 is matched with the rotary rod 63, the lower end of the reciprocating plate 64 extends to the outer side of the box body 1 and is fixed with the cleaning roller 65, specifically, the motor 61 rotates to drive the rotary table 62 to rotate, the rotary rod 63 rotates along with the rotary table 62 and simultaneously drives the reciprocating plate 64 to move, the reciprocating plate 64 drives the cleaning roller 65 to move, the rotary table 62 rotates for one circle, and the reciprocating plate 64 reciprocates with the cleaning roller 65 for cleaning the filter screen 5 twice. And the wind blown out by the heat radiation motor 61 blows the cleaned dust out of the case 1.

The box 1 is provided with a chute 13 for moving the reciprocating plate 64, a sealing plate 642 is arranged at the corresponding position of the reciprocating plate 64 and the chute 13, the extending end of the reciprocating plate 64 is detachably connected with the cleaning roller 65, the extending end of the reciprocating plate 64 slides in the chute 13, and when the chute 13 is close to the heat radiation fan 3, the sealing plate 642 is used for sealing the chute 13 when the reciprocating plate 64 moves, so that the chute 13 is prevented from being empty in the moving process of the reciprocating plate 64, and dust is prevented from entering.

The distance from the rotating rod 63 to the center of the rotary plate 62 is more than one half of the filter screen 5, so that the cleaning roller 65 can clean the filter screen 5.

The upper end of the cleaning roller 65 is fixed with a gear 66, the box body 1 is fixed with a rack 67, and the gear 66 is meshed with the rack 67, so that the cleaning roller 65 rotates in the moving process, and dust on the filter screen 5 can be cleaned better.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims (10)

1. The utility model provides a photovoltaic inverter room heat abstractor, includes box (1), its characterized in that: the novel heat dissipation device is characterized in that a gas circulation device (2) is arranged inside the box body (1), a heat dissipation fan (3) opposite to the support is connected to the lower side of the box body (1), an air outlet (241) of the heat dissipation fan (3) faces out of the box body (1), a filter screen (5) is detachably connected to the outer side of the box body (1), the filter screen (5) corresponds to the heat dissipation fan (3), and a cleaning component (6) is arranged between the filter screen (5) and the box body (1).

2. The photovoltaic inverter room heat sink of claim 1 wherein: the gas circulation device (2) comprises a heating wire (22), a circulation fan (23) and a conveying pipe (24), and an air inlet and an air outlet (241) of the circulation fan (23) are respectively connected with the heating wire (22) and the conveying pipe (24).

3. A photovoltaic inverter room heat sink according to claim 2, characterized in that: the fan with the top of box (1) is fixed, conveyer pipe (24) are in the circumference of circulating fan (23) is to evenly distributed, the lower extreme of heater strip (22) is the air intake of gas circulation device (2), the air intake is located the top central point of box (1).

4. A photovoltaic inverter room heat sink according to claim 3, characterized in that: an air outlet (241) of the conveying pipe (24) faces the center of the box body (1).

5. The photovoltaic inverter room heat sink of claim 1 wherein: be fixed with spacing frame (11) on box (1), spacing frame (11) with form slot (12) before box (1), the edge of filter screen (5) is fixed with insert block (51), insert block (51) and slot (12) looks adaptation.

6. The photovoltaic inverter room heat sink of claim 5 wherein: the inserting block (51) is connected with a fixing piece (7), and the fixing piece (7) is connected with the box body (1).

7. The photovoltaic inverter room heat sink of claim 1 wherein: the cleaning component (6) comprises a motor (61), a rotary table (62), a rotary rod (63), a reciprocating plate (64) and a cleaning roller (65), wherein the motor (61) is fixed with the rotary table (62) through an output shaft, the rotary rod (63) is located at the edge of the rotary table (62), a reciprocating groove (641) is formed in the reciprocating plate (64), and the reciprocating groove (641) is matched with the rotary rod (63), the lower end of the reciprocating plate (64) extends to the outer side of the box body (1), and the cleaning roller (65) is fixed.

8. The photovoltaic inverter room heat sink of claim 7 wherein: the box body (1) is provided with a sliding groove (13) for the reciprocating plate (64) to move, and a sealing plate (642) is arranged at the corresponding position of the reciprocating plate (64) and the sliding groove (13).

9. The photovoltaic inverter room heat sink of claim 8 wherein: the distance from the rotating rod (63) to the center of the rotary disc (62) is greater than one half of the filter screen (5).

10. The photovoltaic inverter room heat sink of claim 8 wherein: the upper end of the cleaning roller (65) is fixed with a gear (66), the box body (1) is fixed with a rack (67), and the gear (66) is meshed with the rack (67).