Outer case of inverter

Abstract

The utility model provides an inverter outer case, which relates to the technical field of inverters and comprises a case body, a cover plate is mounted at the top end of the case body, mounting mechanisms are arranged above two sides of the case body, a heat dissipation fan is mounted on one side of the case body, a dust screen is mounted on one side of the heat dissipation fan, and the dust screen is mounted on the other side of the case body. A cleaning mechanism is arranged on one side of the dustproof net, the mounting cavities are mounted above the two sides of the case main body, and mounting seats are mounted at the bottom ends in the mounting cavities; the mounting mechanisms are arranged above the two sides of the case main body, and the cover plate can be conveniently dismounted and mounted through the cooperation of the mounting cavities, the mounting seats, the connecting rods, the positioning holes, the positioning blocks, the telescopic springs, the mounting plates and the pull pins of the mounting mechanisms, so that the inverter is more efficiently maintained or overhauled, and the maintenance efficiency of the inverter is improved. Therefore, the convenience of the inverter case in use is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of inverters, in particular to an inverter external chassis. Background Art

[0002] The inverter is a converter that converts DC power (battery, storage bottle) into constant frequency and voltage or frequency and voltage alternating current (usually 220V, 50Hz sine wave). It consists of an inverter bridge, control logic and filter circuit. The inverter is basically installed in the chassis when in use;

[0003] For example, application number CN109347336B discloses "an inverter chassis structure for photovoltaic cells" and specifically discloses: the box body is a coverless box body; a slide groove is respectively provided at the bottom of the two opposite side surfaces of the box body; a limit strip is provided on one side of the slide groove; an inclined protrusion is provided on one side of the opening end of the box body; a plurality of spring guide columns are provided on the inner bottom surface of the box body; a limit column is respectively provided on the two opposite inner side surfaces of the box body; a screw hole is respectively provided on the two opposite side surfaces of the box body; and an air outlet is also provided on one side of the bottom surface of the box body. However, in the above technology, it is inconvenient to disassemble and install the chassis during use, which makes it more cumbersome and inefficient to inspect and maintain the inverter, thereby reducing the convenience of the inverter external chassis during use. Therefore, the utility model proposes an inverter external chassis to solve the above problems. Utility Model Content

[0004] In view of the above problems, the utility model proposes an inverter external chassis, which solves the problem in the above technology that it is inconvenient to disassemble and install the chassis conveniently during use, making the inspection and maintenance of the inverter cumbersome and inefficient, thereby reducing the convenience of the inverter external chassis when in use.

[0005] To achieve the purpose of the utility model, the utility model is implemented by the following technical solutions: an inverter external chassis, including a chassis body, a cover plate is installed on the top of the chassis body, mounting mechanisms are arranged above both sides of the chassis body, a heat dissipation fan is installed on one side of the chassis body, a dustproof net is installed on one side of the heat dissipation fan, and a cleaning mechanism is arranged on one side of the dustproof net;

[0006] The mounting mechanism includes a mounting cavity, a mounting seat, a connecting rod and a fixing assembly. The mounting cavity is installed above both sides of the chassis body, the mounting seat is installed at the bottom end of the mounting cavity, the mounting seat is installed inside the connecting rod, the top end of the connecting rod extends to the outside of the mounting cavity, and the top end of the connecting rod is connected to the bottom end of the cover plate.

[0007] Further improvement is that: the fixing assembly includes a positioning hole, a positioning block, a telescopic spring, a mounting plate and a pull pin, the positioning hole is opened inside the connecting rod, a positioning block is arranged inside the positioning hole, two telescopic springs are installed on one side of the mounting cavity, a mounting plate is installed on one end of the two telescopic springs, a pull pin is installed between the two telescopic springs on one side of the mounting plate, one end of the pull pin extends to the inside of the mounting cavity, and one end of the pull pin is connected to one end of the positioning block.

[0008] A further improvement is that the cross section of the positioning hole is larger than the cross section of the positioning block, and a snap-fit ​​structure is formed between the positioning hole and the positioning block.

[0009] A further improvement is that the cleaning mechanism includes a fixed chamber, a driving gear, a driven gear, a transmission shaft, a rotating plate and a brush, the fixed chamber is installed on one side of the chassis body, a driving gear is installed inside the fixed chamber, the rotating shaft of the heat dissipation fan is connected to one end of the driving gear, a driven gear is meshed below the driving gear, a transmission shaft is installed at one end of the driven gear, a rotating plate is installed at one end of the transmission shaft, and a brush is installed on the inner side of the rotating plate.

[0010] A further improvement is that: a plurality of the brushes are arranged on the inner side of the rotating plate, and the plurality of the brushes are distributed at equal intervals on the inner side of the rotating plate.

[0011] A further improvement is that the cross section of the driving gear is smaller than the cross section of the driven gear, and the driving gear drives the driven gear to perform a decelerating motion.

[0012] The beneficial effects of the utility model are as follows: by arranging an installation mechanism above both sides of the chassis body, the cover plate can be conveniently disassembled and installed by utilizing the mutual cooperation between the installation cavity, the installation seat, the connecting rod, the positioning hole, the positioning block, the telescopic spring, the installation plate and the pull pin of the installation mechanism, so that it is more efficient to maintain or overhaul the inverter, thereby greatly improving the convenience of the inverter chassis when in use; by arranging a cleaning mechanism on one side of the dustproof net, by utilizing the mutual cooperation between the fixed cavity, the driving gear, the driven gear, the transmission shaft, the rotating plate and the brush of the cleaning mechanism, the rotating plate and the brush can be driven to rotate while the inverter is dissipated, and the outer side of the dustproof net is cleaned by utilizing the brush, so that the dustproof net is not easy to be blocked when in use, and the ventilation effect of the dustproof net is better, so the cooling effect of the inverter is better when in use, and the inverter is not easy to get hot when in use, thereby greatly improving the practicality of the inverter chassis when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0014] Figure 2It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 3 For the utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0016] Figure 4 For the utility model Figure 1 Schematic diagram of the local enlarged structure at point B in the middle.

[0017] Among them: 1. Chassis body; 2. Cover; 3. Cooling fan; 4. Dust net; 5. Installation cavity; 6. Mounting seat; 7. Connecting rod; 8. Positioning hole; 9. Positioning block; 10. Telescopic spring; 11. Mounting plate; 12. Pull pin; 13. Fixing cavity; 14. Driving gear; 15. Driven gear; 16. Transmission shaft; 17. Turn plate; 18. Brush. DETAILED DESCRIPTION

[0018] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0019] according to Figure 1 , 2 As shown in Figures 3 and 4, this embodiment proposes an inverter external chassis, including a chassis body 1, a cover plate 2 is installed on the top of the chassis body 1, mounting mechanisms are arranged above both sides of the chassis body 1, a heat dissipation fan 3 is installed on one side of the chassis body 1, a dustproof net 4 is installed on one side of the heat dissipation fan 3, and a cleaning mechanism is arranged on one side of the dustproof net 4.

[0020] The mounting mechanism includes a mounting cavity 5, a mounting seat 6, a connecting rod 7 and a fixing component. The mounting cavity 5 is installed above both sides of the chassis body 1. The mounting seat 6 is installed at the bottom end of the mounting cavity 5. The connecting rod 7 is installed inside the mounting seat 6. The top end of the connecting rod 7 extends to the outside of the mounting cavity 5. The top end of the connecting rod 7 is connected to the bottom end of the cover plate 2. The fixing component includes a positioning hole 8, a positioning block 9, a telescopic spring 10, a mounting plate 11 and a pull pin 12. The positioning hole 8 is opened inside the connecting rod 7. A positioning block 9 is provided inside the positioning hole 8. Two telescopic springs 10 are installed on one side of the mounting cavity 5. A mounting plate 11 is installed at one end of the two telescopic springs 10. A pull pin 12 is installed between the two telescopic springs 10 on one side of the mounting plate 11. One end of the pull pin 12 extends to the inside of the mounting cavity 5. One end of the pull pin 12 is connected to one end of the positioning block 9. The cross section of the positioning hole 8 The locating block 9 is larger than the cross section of the locating block 9, and a locking structure is formed between the locating hole 8 and the locating block 9. When in use, the outer chassis is taken to an appropriate position, and then the mounting plate 11 is pulled backward, and the positioning block 9 is driven to move backward by the pull pin 12, so that the positioning hole 8 is disengaged from the positioning block 9. At this time, the connecting rod 7 can be taken out from the inside of the mounting cavity 5, the cover plate 2 is removed, and then the inverter body is installed in the inside of the chassis body 1, and the mounting plate 11 is pulled backward again to place the connecting rod 7 into the inside of the mounting cavity 5. When the mounting seat 6 and the connecting rod 7 are engaged with each other, the mounting plate 11 is released. At this time, the telescopic spring 10 is driven by the elastic force to move the pull pin 12, so the positioning block 9 is moved to the inside of the positioning hole 8, the position of the connecting rod 7 is limited, and the convenient installation of the cover plate 2 is completed. The cover plate 2 can be conveniently disassembled and installed, which makes it more efficient to maintain or overhaul the inverter, thereby greatly improving the convenience of the inverter chassis when in use.

[0021] The cleaning mechanism includes a fixed cavity 13, a driving gear 14, a driven gear 15, a transmission shaft 16, a rotating plate 17 and a brush 18. The fixed cavity 13 is installed on one side of the chassis body 1. The driving gear 14 is installed inside the fixed cavity 13. The rotating shaft of the heat dissipation fan 3 is connected to one end of the driving gear 14. The driven gear 15 is meshed below the driving gear 14. The transmission shaft 16 is installed at one end of the driven gear 15. The rotating plate 17 is installed at one end of the transmission shaft 16. The brush 18 is installed on the inner side of the rotating plate 17. A plurality of the brushes 18 are arranged on the inner side of the rotating plate 17. The plurality of brushes 18 are evenly spaced on the inner side of the rotating plate 17. The cross section of the wheel 14 is smaller than the cross section of the driven gear 15. The driving gear 14 drives the driven gear 15 to perform a deceleration motion. When in use, the heat dissipation fan 3 rotates to drive the driving gear 14 to rotate. Since the driving gear 14 and the driven gear 15 are meshed with each other, the driven gear 15 is used to drive the transmission shaft 16 to rotate, and then the rotating plate 17 and the brush 18 are driven to rotate. The brush 18 is used to clean the dust on the outside of the dustproof net 4, so that the dustproof net 4 is not easy to be blocked when in use, and the ventilation effect of the dustproof net 4 is better, so the cooling effect of the inverter is better when in use, and the inverter is not easy to get hot when in use, thereby greatly improving the practicality of the inverter chassis when in use.

[0022] Working principle: The staff takes the outer chassis to the appropriate position, then pulls the mounting plate 11 backwards, drives the positioning block 9 to move backwards through the pull pin 12, so that the positioning hole 8 is separated from the positioning block 9. At this time, the connecting rod 7 can be taken out from the inside of the installation cavity 5, the cover plate 2 is removed, and then the inverter body is installed inside the chassis body 1, and then the mounting plate 11 is pulled backwards to place the connecting rod 7 into the inside of the installation cavity 5. When the mounting seat 6 and the connecting rod 7 are engaged with each other, the mounting plate 11 is released. At this time, the telescopic spring 10 is acted upon by the elastic force to drive the pull pin 12 to move, so the positioning block 9 is Move to the inside of the positioning hole 8, limit the position of the connecting rod 7, and complete the convenient installation of the cover 2. When the inverter is dissipating heat, the heat dissipation fan 3 rotates to drive the driving gear 14 to rotate. Since the driving gear 14 and the driven gear 15 are meshed with each other, the driven gear 15 is used to drive the transmission shaft 16 to rotate, and then drive the rotating plate 17 and the brush 18 to rotate. The dust on the outside of the dustproof net 4 is cleaned by the brush 18, so that the dustproof net 4 is more effective when in use. When the inverter needs to be maintained and repaired, repeat the above operation to remove the cover 2.

[0023] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An inverter external chassis, comprising a chassis body (1), characterized in that: A cover plate (2) is installed at the top of the chassis body (1), mounting mechanisms are arranged above both sides of the chassis body (1), a heat dissipation fan (3) is installed on one side of the chassis body (1), a dustproof net (4) is installed on one side of the heat dissipation fan (3), and a cleaning mechanism is arranged on one side of the dustproof net (4); The mounting mechanism comprises a mounting cavity (5), a mounting seat (6), a connecting rod (7) and a fixing assembly; the mounting cavity (5) is mounted above both sides of the chassis body (1); the mounting seat (6) is mounted at the bottom end of the mounting cavity (5); the connecting rod (7) is mounted inside the mounting seat (6); the top end of the connecting rod (7) extends to the outside of the mounting cavity (5); and the top end of the connecting rod (7) is connected to the bottom end of the cover plate (2).

2. The inverter external chassis according to claim 1, characterized in that: The fixing assembly comprises a positioning hole (8), a positioning block (9), a telescopic spring (10), a mounting plate (11) and a pull pin (12); the positioning hole (8) is opened inside the connecting rod (7); a positioning block (9) is arranged inside the positioning hole (8); two telescopic springs (10) are installed on one side of the mounting cavity (5); a mounting plate (11) is installed on one end of the two telescopic springs (10); a pull pin (12) is installed between the two telescopic springs (10) on one side of the mounting plate (11); one end of the pull pin (12) extends into the interior of the mounting cavity (5); and one end of the pull pin (12) is connected to one end of the positioning block (9).

3. The inverter external chassis according to claim 2, characterized in that: The cross section of the positioning hole (8) is larger than the cross section of the positioning block (9), and a snap-fit ​​structure is formed between the positioning hole (8) and the positioning block (9).

4. The inverter external chassis according to claim 1, characterized in that: The cleaning mechanism comprises a fixed chamber (13), a driving gear (14), a driven gear (15), a transmission shaft (16), a rotating plate (17) and a brush (18); the fixed chamber (13) is mounted on one side of a chassis body (1); the driving gear (14) is mounted inside the fixed chamber (13); the rotating shaft of the heat dissipation fan (3) is connected to one end of the driving gear (14); the driven gear (15) is meshed below the driving gear (14); the transmission shaft (16) is mounted on one end of the driven gear (15); the rotating plate (17) is mounted on one end of the transmission shaft (16); and the brush (18) is mounted on the inner side of the rotating plate (17).

5. The inverter external chassis according to claim 4, characterized in that: A plurality of the brushes (18) are arranged on the inner side of the rotating plate (17), and the plurality of the brushes (18) are distributed at equal intervals on the inner side of the rotating plate (17).

6. The inverter external chassis according to claim 5, characterized in that: The cross section of the driving gear (14) is smaller than the cross section of the driven gear (15), and the driving gear (14) drives the driven gear (15) to perform a decelerating motion.

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