Flexible regulation and control device applied to photovoltaic inverter

Abstract

The utility model belongs to the technical field of photovoltaic inverters, and particularly discloses a flexible regulation and control device applied to a photovoltaic inverter, which comprises a shell and an inverter main body, the inverter main body is arranged behind the shell, a keyboard plate is assembled on the front surface of the shell, a clamping plate is fixed between two sides of the top of the shell, and the clamping plate is fixed on the top of the shell. Supporting rods are fixed to the front portions of the two sides of the bottom of the clamping plate correspondingly, and a bottom pad is fixed to the lower portions of one sides of the supporting rods. According to the flexible regulation and control device applied to the photovoltaic inverter, a clamping sleeve is welded to the top of a movable rod, a shell can be in lap joint with the surface of an inverter body through a clamping plate, the lower portion of the shell makes contact with the ground or a base plate or other objects through a supporting rod and a bottom pad, the bottom pad cannot shake easily, a sleeve above the bottom pad can support the clamping sleeve through a spring, and the clamping sleeve can be clamped through a clamping plate. And the clamping sleeve can be clamped on the two sides of the bottom of the shell for fixation through the movable rod at the bottom as a sliding aid, so that the problem that the device is inconvenient to assemble is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic inverters, in particular to a flexible control device applied to photovoltaic inverters. Background Art

[0002] The photovoltaic inverter is the main component connected to the solar panel. Its main function is to convert direct current into alternating current. It can cooperate with the photovoltaic array to connect the transformer and power transmission equipment. The battery stored inside can store electricity and energy. In order to adjust the value and connection method of the inverter, it is necessary to install a flexible control device to adjust it according to the voltage conditions.

[0003] At this time, the inverter and the control device are two separate components. If the two are connected only by overlapping assembly, there is a possibility of loosening and shaking. If the external wind is strong, the connection structure between the various mechanisms cannot be controlled, and the assembly and construction is also quite inconvenient.

[0004] Now, a new type of flexible control device applied to photovoltaic inverter is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a flexible control device applied to a photovoltaic inverter, so as to solve the problem of inconvenient device assembly proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flexible control device applied to a photovoltaic inverter, comprising a shell and an inverter body, the inverter body is arranged at the rear of the shell, a keypad is mounted on the front surface of the shell, a card plate is fixed between the two sides of the top of the shell, and support rods are respectively fixed in front of the two sides of the bottom of the card plate, a bottom pad is fixed below one side of the support rod, a sleeve is fixed in front of the top of the bottom pad, and a movable rod is inserted in the sleeve, a sleeve is welded on the top of the movable rod, and a spring is fixed between the bottom of the sleeve and the sleeve.

[0007] Preferably, the movable rod can slide up and down along the inner wall of the sleeve, and the spring is wound around the outer wall of the movable rod.

[0008] Preferably, both sides of the interior of the shell are longitudinally fixed with card slots, and a circuit board is inserted between the card slots, screw hole plates are respectively fixed to the rear of both sides of the exterior of the shell, and bolts are engaged and connected in the screw hole plates, a folding sleeve is fixed around the rear of the shell, and a breathable net is provided on the inner wall of the folding sleeve, a bonding plate is fixed around the rear of the breathable net, and engagement holes are provided on both sides of the front end of the bonding plate.

[0009] Preferably, the bolt is embedded in the engagement hole, and the bolt can be rotated back and forth in the screw hole plate.

[0010] Preferably, both sides of the front end of the card plate are movably hinged with stoppers, and the upper part of the front end of the shell is movably connected with the shell, the upper part of the front end of the shell is laterally hinged with a cover plate, and both sides of the lower part of the front end of the cover plate are fixed with card blocks.

[0011] Preferably, the cover plate can be attached to the front end of the shell, and the stopper can be rotated below the clamping block.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the flexible control device applied to the photovoltaic inverter not only realizes the rapid assembly of the inverter and the control device, realizes the suspended heat dissipation, but also realizes the protection of the surface buttons;

[0013] (1) By welding a clamping sleeve on the top of the movable rod, the shell can be overlapped on the surface of the inverter body by means of the clamping plate on the top, and the bottom can contact the ground or substrate or the like by means of the support rod and the bottom pad. The bottom pad has a certain weight and cannot be easily shaken. The sleeve above the bottom pad can support the clamping sleeve by means of a spring, and the clamping sleeve can be used as a sliding aid through the movable rod at the bottom, and can be clamped on both sides of the bottom of the shell for fixing, which is convenient for assembling two different devices and can also prevent the two from loosening and separating;

[0014] (2) A foldable sleeve is fixed around the rear of the shell, and the slot inside the shell is used to snap on the circuit main board. The circuit main board can be suspended and fixed in the air to facilitate heat dissipation and wiring. The foldable sleeve with a breathable net can be attached to the surface of the notch reserved for the inverter, and then the bolts in the screw hole sheets on both sides are screwed until the bolts are embedded in the meshing holes of the attachment plate. The foldable sleeve with a breathable net can be built to facilitate air circulation, and the foldable sleeve can be stretched or closed according to the distance between the control device and the main body of the transformer;

[0015] (3) By assembling a keypad on the front surface of the shell, the keypad at the front end of the shell is covered and protected by a cover plate, the top of which is hinged on the top of the shell. After the cover plate is flipped over, the blocks assembled on both sides of the card plate can be horizontally moved so that the blocks overlap under the cover plate with the card blocks to prevent the cover plate from falling and injuring people's hands. When not in use, it can also be put down and used as a shielding protection to prevent the key mechanism on the surface from being worn and bumped during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the front view structure of the ferrule of the utility model;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the housing of the utility model from top view;

[0019] Figure 4 It is a schematic diagram of the front view of the shell of the present utility model.

[0020] In the figure: 1. Shell; 2. Support rod; 3. Bottom pad; 4. Inverter body; 5. Card plate; 6. Block; 7. Cover plate; 8. Keypad; 9. Card sleeve; 10. Sleeve; 11. Spring; 12. Movable rod; 13. Card slot; 14. Circuit board; 15. Bolt; 16. Screw hole sheet; 17. Fitting plate; 18. Engaging hole; 19. Breathable net; 20. Folding sleeve; 21. Card block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1: Please refer to Figure 1-4 A flexible control device for a photovoltaic inverter includes a housing 1 and an inverter body 4. The inverter body 4 is arranged at the rear of the housing 1. A keypad 8 is mounted on the front surface of the housing 1. A card plate 5 is fixed between the two sides of the top of the housing 1. Support rods 2 are fixed in front of the two sides of the bottom of the card plate 5. A bottom pad 3 is fixed below one side of the support rod 2. A sleeve 10 is fixed in front of the top of the bottom pad 3. A movable rod 12 is inserted in the sleeve 10. A sleeve 9 is welded on the top of the movable rod 12. A spring 11 is fixed between the bottom of the sleeve 9 and the sleeve 10.

[0023] The movable rod 12 can slide up and down along the inner wall of the sleeve 10, and the spring 11 is wound around the outer wall of the movable rod 12;

[0024] Specifically, Figure 1 and Figure 2 As shown, the shell 1 can be overlapped on the surface of the inverter body 4 by means of the top clamping plate 5, and the bottom is in contact with the ground or substrate or the like by means of the support rod 2 and the bottom pad 3, and the bottom pad 3 has a certain weight and cannot shake easily, and the sleeve 10 above the bottom pad 3 can support the clamping sleeve 9 by means of the spring 11, and the clamping sleeve 9 can be used as a sliding aid by the movable rod 12 at the bottom, and can be clamped on both sides of the bottom of the shell 1 for fixation.

[0025] Embodiment 2: Both sides of the interior of the housing 1 are longitudinally fixed with card slots 13, and a circuit board 14 is inserted between the card slots 13, screw hole sheets 16 are respectively fixed to the rear of both sides of the exterior of the housing 1, and bolts 15 are meshed and connected in the screw hole sheets 16, a folding sleeve 20 is fixed around the rear of the housing 1, and a breathable net 19 is provided on the inner wall of the folding sleeve 20, a fitting plate 17 is fixed around the rear of the breathable net 19, and both sides of the front end of the fitting plate 17 are provided with meshing holes 18, the bolts 15 are embedded in the meshing holes 18, and the bolts 15 can rotate back and forth in the screw hole sheets 16;

[0026] Specifically, Figure 1 and Figure 3 As shown, the card slot 13 inside the shell 1 is used to card the circuit main board 14, and the circuit main board 14 can be suspended and fixed to facilitate heat dissipation and wiring. Subsequently, the folding sleeve 20 with a breathable net 19 can be fitted on the surface of the slot reserved for the inverter, and then the bolts 15 in the screw hole sheets 16 on both sides are screwed until the bolts 15 are embedded in the meshing holes 18 of the fitting plate 17, so that the folding sleeve 20 with the breathable net 19 can be built to facilitate air circulation.

[0027] Embodiment 3: Both sides of the front end of the card plate 5 are movably hinged with stoppers 6, and the upper part of the front end of the shell 1 is movably connected with the shell 1, and the upper part of the front end of the shell 1 is laterally hinged with a cover plate 7, and both sides of the lower part of the front end of the cover plate 7 are fixed with card blocks 21, the cover plate 7 can be attached to the front end of the shell 1, and the stopper 6 can be rotated below the card block 21;

[0028] Specifically, Figure 1 and Figure 4 As shown, the keypad 8 at the front end of the housing 1 is covered and protected by a cover plate 7, the top of which is hinged on the top of the housing 1. After the cover plate 7 is flipped over, the blocks 6 assembled on both sides of the card plate 5 can be horizontally moved so that the blocks 6 overlap under the cover plate 7 with the card blocks 21 to prevent the cover plate 7 from falling and injuring people's hands. It can also be put down when not in use and used as a shielding protection.

[0029] Working principle: When the utility model is in use, the shell 1 can be overlapped on the surface of the inverter body 4 by means of the card plate 5 on the top, and the bottom can contact the ground or substrate or the like by means of the support rod 2 and the bottom pad 3, and the bottom pad 3 has a certain weight and cannot be easily shaken, and the sleeve 10 above the bottom pad 3 can support the card sleeve 9 by means of the spring 11, and the card sleeve 9 can be used as a sliding aid through the movable rod 12 at the bottom, and can be clamped on both sides of the bottom of the shell 1 for fixing, and the card slot 13 inside the shell 1 is used to clamp the circuit main board 14, and the circuit main board 14 can be suspended and fixed to facilitate heat dissipation and wiring, and the subsequent The folding sleeve 20 with the breathable net 19 can be fitted on the surface of the slot reserved for the inverter, and then the bolts 15 in the screw hole plates 16 on both sides are screwed until the bolts 15 are embedded in the meshing holes 18 of the fitting plate 17, so that the folding sleeve 20 with the breathable net 19 can be built to facilitate air circulation. The key panel 8 at the front end of the shell 1 is covered and protected by the cover plate 7, and the top of this cover plate 7 is hinged on the top of the shell 1. After the cover plate 7 is flipped over, the block 6 assembled on both sides of the card plate 5 can be horizontally moved so that the block 6 is overlapped under the cover plate 7 with the card block 21 to prevent the cover plate 7 from falling and injuring people's hands.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A flexible control device for a photovoltaic inverter, comprising a housing (1) and an inverter body (4), characterized in that: An inverter body (4) is arranged at the rear of the shell (1), a keypad (8) is mounted on the front surface of the shell (1), a card plate (5) is fixed between the two sides of the top of the shell (1), and support rods (2) are respectively fixed in front of the two sides of the bottom of the card plate (5), a bottom pad (3) is fixed below one side of the support rod (2), a sleeve (10) is fixed in front of the top of the bottom pad (3), and a movable rod (12) is inserted in the sleeve (10), a sleeve (9) is welded on the top of the movable rod (12), and a spring (11) is fixed between the bottom of the sleeve (9) and the sleeve (10).

2. The flexible control device for photovoltaic inverter according to claim 1, characterized in that: The movable rod (12) can slide up and down along the inner wall of the sleeve (10), and the spring (11) is wound around the outer wall of the movable rod (12).

3. The flexible control device for photovoltaic inverter according to claim 1, characterized in that: Both sides of the shell (1) are longitudinally fixed with card slots (13), and a circuit main board (14) is inserted between the card slots (13). Screw hole plates (16) are respectively fixed to the rear of both sides of the shell (1), and bolts (15) are meshed and connected in the screw hole plates (16). A folding sleeve (20) is fixed around the rear of the shell (1), and a breathable net (19) is arranged on the inner wall of the folding sleeve (20). A bonding plate (17) is fixed around the rear of the breathable net (19), and meshing holes (18) are arranged on both sides of the front end of the bonding plate (17).

4. The flexible control device for photovoltaic inverter according to claim 3 is characterized in that: The bolt (15) is embedded in the engagement hole (18), and the bolt (15) can be rotated back and forth in the screw hole plate (16).

5. The flexible control device for photovoltaic inverter according to claim 1, characterized in that: Both sides of the front end of the clamping plate (5) are movably hinged with stoppers (6), and the upper part of the front end of the shell (1) is movably connected to the shell (1), the upper part of the front end of the shell (1) is laterally hinged with a cover plate (7), and both sides of the lower part of the front end of the cover plate (7) are fixed with clamping blocks (21).

6. The flexible control device for photovoltaic inverter according to claim 5, characterized in that: The cover plate (7) can be attached to the front end of the housing (1), and the stopper (6) can be rotated below the clamping block (21).

Images