CN215528619U

CN215528619U - Cabinet for photovoltaic grid-connected inverter

Info

Publication number: CN215528619U
Application number: CN202120379639.0U
Authority: CN
Inventors: 李凤侠
Original assignee: Suzhou Juxian Electrical Technology Co ltd
Current assignee: Suzhou Juxian Electrical Technology Co ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2022-01-14
Anticipated expiration: 2031-02-19

Abstract

The utility model provides a cabinet for a photovoltaic grid-connected inverter, which comprises a case, wherein two fixing plates are fixedly arranged on two sides in the case, a first connecting plate is fixedly arranged on the inner sides of the two fixing plates, a fixing box is fixedly arranged on the top of the case, two supporting rods are fixedly arranged on two sides in the fixing box, a toothed ring is fixedly arranged on the front surfaces of the two supporting rods, a gear is meshed in the toothed ring, a first connecting rod is rotatably connected to the front surface of the gear, the bottom of the first connecting rod is rotatably connected with the top of the first connecting plate, and a second connecting rod is connected to a rotating rod on the back surface of the gear. The cabinet for the photovoltaic grid-connected inverter has the advantages that the cabinet can carry out multi-angle heat dissipation work on the interior of the cabinet, the heat dissipation work efficiency is improved, the service life of parts in the cabinet is shortened due to high temperature, and the economic benefit is increased.

Description

Cabinet for photovoltaic grid-connected inverter

Technical Field

The utility model relates to the field of cabinets for photovoltaic grid-connected inverters, in particular to a cabinet for a photovoltaic grid-connected inverter.

Background

The photovoltaic power generation system in China is mainly a direct current system, namely, the electric energy generated by the solar cell is used for charging the storage battery, and the storage battery is used for directly supplying power to the load, for example, the solar energy user lighting system which is used more in northwest areas of China and the microwave station power supply system which is far away from a power grid are direct current systems. The system has simple structure and low cost, but the standardization and compatibility of the system are difficult to realize due to different direct-current voltages of loads, particularly civil power, and a photovoltaic power supply powered by direct-current power is difficult to enter the market as a commodity due to the fact that the system is mostly an alternating-current load.

The existing cabinet for the photovoltaic grid-connected inverter is generally applied to various perfect power conversion and access schemes provided for various renewable energy power generation systems such as solar photovoltaic power generation, wind power generation, fuel cell power generation, small-sized hydroelectric power generation and the like, is mainly applied to the renewable energy grid-connected power generation system, but works outdoors for a long time to generate a large amount of heat, so that the normal working efficiency is influenced and the service life is shortened.

Therefore, it is necessary to provide a cabinet for a photovoltaic grid-connected inverter to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is that the existing cabinet for the photovoltaic grid-connected inverter is generally applied to various perfect power source conversion and access schemes for various renewable energy power generation systems such as solar photovoltaic power generation, wind power generation, fuel cell power generation, small-sized hydroelectric power generation and the like, is mainly applied to the renewable energy grid-connected power generation system, but generates a large amount of heat after long-term outdoor work, thereby influencing the normal working efficiency and shortening the service life.

In order to solve the technical problems, the cabinet for the photovoltaic grid-connected inverter provided by the utility model comprises a cabinet, wherein two fixing plates are fixedly arranged on two sides of the interior of the cabinet, a first connecting plate is fixedly arranged on the inner sides of the two fixing plates, a fixing box is fixedly arranged on the top of the cabinet, two supporting rods are fixedly arranged on two sides of the interior of the fixing box, a toothed ring is fixedly arranged on the front surfaces of the two supporting rods, a gear is meshed inside the toothed ring, a first connecting rod is rotatably connected to the front surface of the gear, the bottom of the first connecting rod is rotatably connected with the top of the first connecting plate, a second connecting rod is connected to a rotating rod on the back surface of the gear, a rotating shaft is fixedly arranged at the left end of the second connecting rod, a first bevel gear is fixedly arranged on the front surface of the rotating shaft, and a rotating rod is arranged inside the fixing box, the both ends fixed mounting of dwang has fourth bevel gear, fourth bevel gear's right side with first bevel gear meshes, the middle fixed mounting of dwang has second bevel gear.

Preferably, a motor is fixedly installed at the bottom of the fixing box, a third bevel gear is fixedly installed at one end of an output shaft of the motor, and the top of the third bevel gear is meshed with the bottom of the second bevel gear.

Preferably, two fans are fixedly installed on two sides of the interior of the case.

Preferably, the ventilation openings are formed in two sides of the case, and the top and the bottom of each ventilation opening are fixedly provided with first connecting blocks.

Preferably, the inside of vent is provided with the filter screen, the top and the equal fixed mounting in bottom of filter screen have the second connecting block.

Preferably, the left side of the second connecting block and the right side of the first connecting block are fixedly installed through bolts.

Compared with the prior art, the cabinet for the photovoltaic grid-connected inverter provided by the utility model has the following beneficial effects:

the utility model provides a cabinet for a photovoltaic grid-connected inverter, wherein a rotating rod and a gear are driven to rotate through the rotation of a motor, the gear is driven to do circular motion along with a gear ring, so that a second connecting rod is driven to move to pull a first connecting plate to change angles, the interior of a case can be subjected to multi-angle heat dissipation work, the heat dissipation work efficiency is improved, the service life of parts in the case is shortened due to high temperature, and the economic benefit is increased.

Carry out the dust through the filter screen with the air that gets into quick-witted incasement portion's external world and return the power to reduce the inside of dust entering quick-witted case and lead to the part to appear damaging, thereby the equipment maintenance cost in the later stage of can effectual reduction.

Drawings

Fig. 1 is a schematic structural diagram of a cabinet for a photovoltaic grid-connected inverter according to a preferred embodiment of the present invention;

FIG. 2 is a structural view of the back of the stationary box shown in FIG. 1;

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

in the figure: 1. a chassis; 2. a fixing plate; 3. a first connecting plate; 4. a fixed box; 5. a toothed ring; 6. a gear; 7. a second connecting rod; 8. a support bar; 9. a first connecting rod; 10. a motor; 11. a third bevel gear; 12. a second bevel gear; 13. rotating the rod; 14. a fourth bevel gear; 15. a first bevel gear; 16. a fan; 17. a vent; 18. a first connection block; 19. Filtering with a screen; 20. a second connecting block; 21. a bolt; 22. and rotating the shaft.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2, and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a cabinet for a grid-connected photovoltaic inverter according to a preferred embodiment of the present invention; FIG. 2 is a structural view of the back of the stationary box shown in FIG. 1; fig. 3 is an enlarged schematic view of a portion a shown in fig. 1. A cabinet for a photovoltaic grid-connected inverter comprises a cabinet 1, wherein two fixing plates 2 are fixedly mounted on two sides of the inside of the cabinet 1, a first connecting plate 3 is fixedly mounted on the inner sides of the two fixing plates 2, a fixing box 4 is fixedly mounted on the top of the cabinet 1, two supporting rods 8 are fixedly mounted on two sides of the inside of the fixing box 4, a toothed ring 5 is fixedly mounted on the front side of each supporting rod 8, a gear 6 is meshed inside the toothed ring 5, a first connecting rod 9 is rotatably connected to the front side of the gear 6, the bottom of the first connecting rod 9 is rotatably connected with the top of the first connecting plate 3, a second connecting rod 7 is connected to a rotating rod on the back side of the gear 6, a rotating shaft 22 is fixedly mounted at the left end of the second connecting rod 7, a first bevel gear 15 is fixedly mounted on the front side of the rotating shaft 22, and a rotating rod 13 is arranged inside the fixing box 4, the both ends fixed mounting of dwang 13 has fourth bevel gear 14, the right side of fourth bevel gear 14 with first bevel gear 15 meshes, the middle fixed mounting of dwang 13 has second bevel gear 12.

The number of the first connecting plates 3 is eleven, and the eleven first connecting plates are rotatably connected through a third connecting rod.

The bottom of the fixed plate 2 is fixedly provided with a fixed block, and the bottom of the fixed block is fixedly arranged with the bottom inside the case 1.

The bottom of the fixed box 4 is fixedly provided with a motor 10, one end of an output shaft of the motor 10 is fixedly provided with a third bevel gear 11, and the top of the third bevel gear 11 is meshed with the bottom of the second bevel gear 12.

The bottom of the motor 10 is fixedly provided with a connecting seat, and the bottom of the connecting seat is fixedly connected with the bottom inside the fixed box 4.

Two fans 16 are fixedly installed at two sides of the interior of the case 1.

The ventilation openings 17 are formed in two sides of the case 1, and the top and the bottom of each ventilation opening 17 are fixedly provided with first connecting blocks 18.

The inside of vent 17 is provided with filter screen 19, the equal fixed mounting in top and the bottom of filter screen 19 has second connecting block 20.

The left side of the second connecting block 20 and the right side of the first connecting block 18 are fixedly installed by bolts 21.

The operation principle of the cabinet for the photovoltaic grid-connected inverter provided by the utility model is as follows:

when the interior of the case 1 generates a large amount of heat due to long-term operation, the motor 10 is started, the third bevel gear 11 is driven to rotate by the rotation of the motor 10, the second bevel gear 12 is driven to rotate by the rotation of the third bevel gear 11, so that the rotating rod 13 rotates, the fourth bevel gear 14 is driven to rotate by the rotation of the rotating rod 13, the first bevel gear 15 and the rotating shaft 22 are driven to rotate by the rotation of the fourth bevel gear 14, the second connecting rod 7 and the gear 6 are driven to rotate by the rotation of the rotating shaft 22, so that the gear 6 performs circular motion along with the interior of the gear ring 5, the second connecting rod 7 is driven to move by the rotation of the gear 6, so that the first connecting rod 9 is pulled to perform reciprocating angle change, and meanwhile, the air outside the case 1 is driven to enter the interior of the case 1 by the rotation of the fan 16, meanwhile, the cooling and heat dissipation work of the inner part of the case 1 at multiple angles is carried out through the angle change of the first connecting plate 3.

When the outside air enters the inside of the cabinet 1 through the position of the vent 17, the dust of the air is separated by the filter screen 19, and when the excessive dust is accumulated on the surface of the filter screen 19, the bolt 21 is manually taken out to cause the first connecting block 18 and the second connecting block 20 to lose the connecting state, so that the filter screen 19 is taken out for replacement or cleaning.

the utility model provides a cabinet for a photovoltaic grid-connected inverter, wherein a rotating rod 13 and a gear 6 are driven to rotate through the rotation of a motor 10, so that the gear 6 is driven to do circular motion along with a toothed ring 5, a second connecting rod 7 is driven to move to pull a first connecting plate 3 to change the angle, the multi-angle heat dissipation work can be performed on the interior of a case 1, the heat dissipation work efficiency is improved, the service life of parts in the case 1 is shortened due to high temperature, and the economic benefit is increased.

Carry out the dust through filter screen 19 with the outside air that gets into quick-witted case 1 inside and go back the power to reduce the inside of dust entering machine case 1 and lead to the part to appear damaging, thereby the equipment maintenance cost in the later stage of can effectual reduction.

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 equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a rack for photovoltaic grid-connected inverter, includes quick-witted case, its characterized in that: two fixing plates are fixedly mounted on two sides of the interior of the case, a first connecting plate is fixedly mounted on the inner sides of the two fixing plates, a fixing case is fixedly mounted on the top of the case, two supporting rods are fixedly mounted on two sides of the interior of the fixing case, a toothed ring is fixedly mounted on the front surfaces of the two supporting rods, a gear is meshed with the inside of the toothed ring, a first connecting rod is rotatably connected to the front surface of the gear, the bottom of the first connecting rod is rotatably connected with the top of the first connecting plate, a second connecting rod is connected to a rotating rod on the back surface of the gear, a rotating shaft is fixedly mounted at the left end of the second connecting rod, a first bevel gear is fixedly mounted on the front surface of the rotating shaft, a rotating rod is arranged in the fixing case, fourth bevel gears are fixedly mounted at two ends of the rotating rod, and the right sides of the fourth bevel gears are meshed with the first bevel gears, and a second bevel gear is fixedly arranged in the middle of the rotating rod.

2. The cabinet for the photovoltaic grid-connected inverter according to claim 1, wherein: the bottom of the fixed box is fixedly provided with a motor, one end of an output shaft of the motor is fixedly provided with a third bevel gear, and the top of the third bevel gear is meshed with the bottom of the second bevel gear.

3. The cabinet for the photovoltaic grid-connected inverter according to claim 1, wherein: two fans are fixedly arranged on two sides of the interior of the case.

4. The cabinet for the photovoltaic grid-connected inverter according to claim 1, wherein: the ventilation openings are formed in two sides of the case, and first connecting blocks are fixedly mounted at the top and the bottom of each ventilation opening.

5. The cabinet for the photovoltaic grid-connected inverter according to claim 4, wherein: the inside of vent is provided with the filter screen, the equal fixed mounting in top and the bottom of filter screen has the second connecting block.

6. The cabinet for the photovoltaic grid-connected inverter according to claim 5, wherein: the left side of the second connecting block and the right side of the first connecting block are fixedly installed through bolts.