String type inverter lifting installation support

Abstract

The utility model relates to the technical field of inverters, and discloses a string type inverter lifting installation support which comprises a connecting base, a connecting plate is arranged on the surface of the top of the connecting base, a moisture absorption pad is arranged on the surface of the front side of the connecting plate, and moving mechanisms are arranged at the two ends of the connecting plate and the two ends of the moisture absorption pad. A mounting plate is arranged on the surface of one side of the moving mechanism, a plurality of fixing screw holes are formed in the surface of the mounting plate in a penetrating mode, a fixing mechanism is arranged on the surface of one side of the moving mechanism, the moving mechanism is connected with the fixing mechanism, and a heat dissipation box is arranged on the surface of one side of the fixing mechanism. According to the utility model, the rotating motor drives the threaded rod to rotate, so that the moving rod drives the connecting seat to move up and down on the surface of the connecting frame under the rotation of the threaded rod, and the inverter can be lifted to a safe height to avoid collision between pedestrians and vehicles and can also be lowered to a height which is convenient for workers to maintain; and the maintenance is easier and simpler.

Description

Technical Field

[0001] The utility model relates to the technical field of inverters, in particular to a lifting and mounting bracket for a string inverter. Background Art

[0002] A string inverter is a device that converts AC power into DC power. String inverters are generally included in photovoltaic systems. The inverter is a converter that converts DC power into constant-frequency and constant-voltage or frequency- and voltage-regulated AC power. It consists of an inverter bridge, control logic, and filter circuits. The inverter needs to be fixed with a mounting bracket during installation.

[0003] A Chinese document with the publication number CN218719879U has been searched and disclosed an inverter mounting bracket, including a back plate and mounting holes, a connecting frame fixedly connected to the back plate, a rotating arm rotatably connected to the connecting frame, a screw hole provided on the rotating arm, a screw rod fixedly connected to the back plate, a screw sleeve threadedly connected to the screw rod, and a limiter for limiting the position of the rotating arm provided on the back plate. In the utility model, there are a plurality of screw holes evenly distributed on the rotating arm, so the inverter can be connected to the screw holes at different positions by bolts, so that the distance between the inverter and the wall after installation can be changed, which is more convenient to operate and can effectively prevent the distance between the inverter and the wall from being too close, and prevent moisture from the wall from entering the interior of the inverter through the heat dissipation holes of the inverter;

[0004] This application can prevent moisture from the wall from entering the interior of the inverter through the heat dissipation holes of the inverter, but it still has the problem of inconvenient height adjustment. As a result, when the equipment is damaged after long-term use, the height of the mounting bracket is too high and it is inconvenient to replace or maintain the equipment. In view of this, we propose a lifting mounting bracket for a string inverter. Utility Model Content

[0005] In order to remedy the above shortcomings, the utility model provides a lifting installation bracket for a string inverter, aiming to improve the problem of inconvenient height adjustment in the comparative document, which leads to the problem that when the equipment is damaged after long-term use, the height of the installation bracket is too high and it is inconvenient to replace or maintain the equipment.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lifting and mounting bracket for a string inverter, comprising a connecting seat, a connecting plate is arranged on the top surface of the connecting seat, a moisture-absorbing pad is arranged on the front surface of the connecting plate, a moving mechanism is arranged at both ends of the connecting plate and the moisture-absorbing pad, a mounting plate is arranged on one side surface of the moving mechanism, a plurality of fixing screw holes are arranged through the surface of the mounting plate, a fixing mechanism is arranged on one side surface of the moving mechanism, the moving mechanism is connected to the fixing mechanism, a heat dissipation box is arranged on one side surface of the fixing mechanism, and a heat dissipation mechanism is arranged inside the heat dissipation box;

[0007] The moving mechanism includes a connecting frame and a moving groove, a moving groove is penetrated on one side surface of the connecting frame, a threaded rod is arranged inside the connecting frame, the top of the threaded rod is sleeved with an anti-slip head, the anti-slip head is fixedly connected to the inner wall of the moving groove, a rotating motor is arranged on the bottom end surface of the threaded rod, a moving rod is sleeved on the outer side of the threaded rod, matching threaded holes are arranged at the connection between the moving rod and the threaded rod, and support rods are symmetrically arranged on the front side surface of the moving rod.

[0008] As a further description of the above technical solution:

[0009] The fixing mechanism includes a movable seat and a strip groove, an inverter is arranged above the movable seat, a strip groove is penetrated through the bottom of the movable seat, soft pads are arranged at both ends of the strip groove, a plurality of through holes are penetrated through the top surface of the soft pad, a threaded column is sleeved inside the movable seat, a rotating block is arranged on one side surface of the threaded column, a pressure plate is arranged at the other end of the threaded column, and an anti-slip pad is arranged on one side surface of the pressure plate.

[0010] As a further description of the above technical solution:

[0011] The heat dissipation mechanism includes a heat dissipation fan and a dustproof net. Dustproof nets are provided at both ends of the heat dissipation fan. An isolation net is provided at one end of the dustproof net on the front side of the heat dissipation fan. A temperature sensor is sleeved inside the isolation net. A heat dissipation hole is penetrated at one end of the dustproof net on the rear side of the heat dissipation fan.

[0012] As a further description of the above technical solution:

[0013] A storage battery is arranged below the cooling fan, and the cooling fan is fixed inside the cooling box through a connecting frame. The rear side of the cooling box is fixedly connected to the supporting rod, and the bottom end surface of the cooling box is fixedly connected to the moving seat.

[0014] As a further description of the above technical solution:

[0015] A switch is arranged on the front surface of the connection base, and a battery and a controller are arranged inside the connection base.

[0016] As a further description of the above technical solution:

[0017] The moving rod is movably connected to the moving groove, the moving seat is a concave structure, and a matching threaded hole is arranged at the connection between the threaded column and the moving seat.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, the threaded rod is driven to rotate by a rotating motor, so that the movable rod drives the connecting seat to move up and down on the surface of the connecting frame under the rotation of the threaded rod, so that the inverter can be raised to a safe height to avoid collision with pedestrians and vehicles, and can also be lowered to a height that is convenient for staff to inspect, making maintenance easier and simpler.

[0020] 2. In the utility model, the rotating block drives the pressure plate and the anti-skid pad to clamp the inverter so that it is fixed on the connecting seat. At the same time, the temperature of the inverter is monitored at all times in conjunction with the temperature sensor. Once the temperature exceeds the set value, the cooling fan is controlled to dissipate heat for the inverter to avoid excessive heat collection inside the inverter affecting normal use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional structural schematic diagram of a lifting and mounting bracket for a string inverter proposed by the utility model;

[0022] Figure 2 This is a cross-sectional view of the internal structure of a connecting frame of a string inverter lifting and mounting bracket proposed by the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of a movable base of a string inverter lifting installation bracket proposed by the utility model;

[0024] Figure 4 The utility model provides a side cross-sectional view of a heat sink box of a string inverter lifting installation bracket.

[0025] Legend:

[0026] 1. Connecting seat; 2. Connecting plate; 3. Moisture-absorbing pad; 4. Mounting plate; 5. Fixing screw hole; 6. Heat dissipation box; 7. Connecting frame; 8. Moving slot; 9. Threaded rod; 10. Rotating motor; 11. Moving rod; 12. Support rod; 13. Moving seat; 14. Strip slot; 15. Soft pad; 16. Threaded column; 17. Rotating block; 18. Pressing plate; 19. Anti-skid pad; 20. Cooling fan; 21. Dust net; 22. Temperature sensor; 23. Isolation net; 24. Heat dissipation hole; 25 Inverter. DETAILED DESCRIPTION

[0027] 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.

[0028] Reference Figure 1-4 The utility model provides an embodiment: a lifting and mounting bracket for a string inverter, comprising a connecting seat 1, a connecting plate 2 is arranged on the top surface of the connecting seat 1, a moisture-absorbing pad 3 is arranged on the front surface of the connecting plate 2, a moving mechanism is arranged at both ends of the connecting plate 2 and the moisture-absorbing pad 3, a mounting plate 4 is arranged on one side surface of the moving mechanism, a plurality of fixing screw holes 5 are arranged through the surface of the mounting plate 4, a fixing mechanism is arranged on one side surface of the moving mechanism, the moving mechanism is connected to the fixing mechanism, a heat dissipation box 6 is arranged on one side surface of the fixing mechanism, and a heat dissipation mechanism is arranged inside the heat dissipation box 6;

[0029] The mounting plate 4 and the connecting plate 2 are fixed to the wall by passing matching screws through the fixing screw holes 5. At the same time, the moisture-absorbing pad 3 on the connecting plate 2 can absorb moisture and water vapor on the wall to prevent moisture from entering the inverter 25 body and affecting the operation of the inverter 25.

[0030] The moving mechanism includes a connecting frame 7 and a moving groove 8. An inverter 25 is arranged above the moving seat 13. The moving groove 8 is penetrated through one side surface of the connecting frame 7 at the bottom of the moving seat 13. A threaded rod 9 is arranged inside the connecting frame 7. The top of the threaded rod 9 is sleeved with an anti-slip head, and the anti-slip head is fixedly connected to the inner wall of the moving groove 8. A rotating motor 10 is arranged on the bottom end surface of the threaded rod 9. A moving rod 11 is sleeved on the outer side of the threaded rod 9. A matching threaded hole is arranged at the connection between the moving rod 11 and the threaded rod 9. A support rod 12 is symmetrically arranged on the front side surface of the moving rod 11.

[0031] The threaded rod 9 is driven to rotate by the rotating motor 10, and the movable rod 11 drives the movable seat 13 to move up and down under the rotation of the threaded rod 9, so as to adjust the height, so that the inverter 25 can be raised to a safe height in daily safety to avoid collision with pedestrians and vehicles, and can be lowered to a height convenient for maintenance by the staff when maintenance is needed, so that maintenance is easier and simpler.

[0032] The fixing mechanism includes a moving seat 13 and a strip groove 14, an inverter 25 is arranged above the moving seat 13, a strip groove 14 is penetrated through the bottom of the moving seat 13, soft pads 15 are arranged at both ends of the strip groove 14, a plurality of through holes are penetrated through the top surface of the soft pad 15, a threaded column 16 is sleeved inside the moving seat 13, a rotating block 17 is arranged on one side surface of the threaded column 16, a pressing plate 18 is arranged on the other end of the threaded column 16, and a non-slip pad 19 is arranged on one side surface of the pressing plate 18;

[0033] By rotating the rotating block 17, the threaded column 16 is driven to rotate synchronously, so that the pressure plate 18, driven by the threaded column 16, presses one side of the anti-slip pad 19 against the side of the inverter 25, so that the inverter 25 is fixed on the moving seat 13, so that it can match inverters 25 of different sizes, and is more practical.

[0034] The heat dissipation mechanism includes a heat dissipation fan 20 and a dustproof net 21. The dustproof nets 21 are arranged at both ends of the heat dissipation fan 20. An isolation net 23 is arranged at one end of the dustproof net 21 on the front side of the heat dissipation fan 20. A temperature sensor 22 is sleeved inside the isolation net 23. A heat dissipation hole 24 is arranged through one end of the dustproof net 21 on the rear side of the heat dissipation fan 20.

[0035] The temperature of the inverter 25 can be monitored at all times through the temperature sensor 22. Once the temperature exceeds the set value, a signal will be transmitted to the controller, so that the controller controls the opening of the cooling fan 20, allowing the cooling fan 20 to generate wind speed to dissipate heat and cool down the inverter 25, thereby avoiding excessive heat collection inside the inverter 25 and affecting normal use.

[0036] A battery is arranged below the cooling fan 20, and the cooling fan 20 is fixed inside the cooling box 6 through the connecting frame 7, the rear side of the cooling box 6 is fixedly connected to the supporting rod 12, and the bottom end surface of the cooling box 6 is fixedly connected to the moving seat 13;

[0037] The heat dissipation fan 20 is directly powered by the battery, and the heat dissipation box 6 is located above the movable seat 13 and is in contact with the inverter 25 to achieve a better heat dissipation effect.

[0038] A switch is provided on the front surface of the connection base 1, and a battery and a controller are provided inside the connection base 1;

[0039] The start and stop of the rotating motor 10 is directly controlled by a switch, and the controller is a PLC controller, which directly controls the rotating motor 10 , the temperature sensor 22 and the cooling fan 20 .

[0040] The moving rod 11 is movably connected to the moving groove 8, the moving seat 13 is a concave structure, and a matching threaded hole is provided at the connection between the threaded column 16 and the moving seat 13;

[0041] The threaded column 16 drives the pressing plate 18 to move through the threaded hole, and manual rotation during the moving process is more user-friendly.

[0042] Working principle: fit the mounting plate 4 and the connecting plate 2 to the wall, use matching screws to penetrate the fixing screw holes 5 to fix the entire mounting bracket on the wall, then place the inverter 25 on the moving seat 13, and drive the threaded column 16 by rotating the rotating block 17, so that the pressing plate 18, driven by the threaded column 16, presses one side of the anti-slip pad 19 against the side of the inverter 25, so that the inverter 25 is fixed on the moving seat 13, and the strip groove 14 at the bottom can facilitate the connection of the inverter 25 with wires. At the same time, under the action of the moisture-absorbing pad 3, the moisture and water vapor on the wall are absorbed to prevent moisture from entering the inverter 25 body and affecting the operation of the inverter 25; when the inverter 25 is running, the rotating motor 10 can be turned on by the switch to make the rotating The motor 10 drives the threaded rod 9 to rotate, and the moving rod 11 drives the moving seat 13 to move up and down under the rotation of the threaded rod 9 to adjust the height, so that the inverter 25 can be raised to a safe height for daily safety to avoid collisions with pedestrians and vehicles, and can be lowered to a height convenient for staff to inspect when it needs to be repaired, making maintenance easier and simpler; during the operation of the inverter 25, the temperature sensor 22 can monitor the temperature of the inverter 25 at all times. Once it exceeds the set value, it will transmit a signal to the controller, so that the controller controls the opening of the cooling fan 20, allowing the cooling fan 20 to generate wind speed, and heat dissipating and cooling the inverter 25 to avoid excessive heat collection inside the inverter 25 affecting normal use.

[0043] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A string inverter lifting and mounting bracket, comprising a connecting seat (1), characterized in that: The top surface of the connecting seat (1) is provided with a connecting plate (2), the front surface of the connecting plate (2) is provided with a moisture-absorbing pad (3), both ends of the connecting plate (2) and the moisture-absorbing pad (3) are provided with moving mechanisms, a mounting plate (4) is provided on one side surface of the moving mechanism, a plurality of fixing screw holes (5) are provided through the surface of the mounting plate (4), a fixing mechanism is provided on one side surface of the moving mechanism, the moving mechanism is connected to the fixing mechanism, a heat dissipation box (6) is provided on one side surface of the fixing mechanism, and a heat dissipation mechanism is provided inside the heat dissipation box (6); The moving mechanism comprises a connecting frame (7) and a moving groove (8), wherein the moving groove (8) is penetrated through one side surface of the connecting frame (7), a threaded rod (9) is arranged inside the connecting frame (7), the top of the threaded rod (9) is sleeved with an anti-slipping head, and the anti-slipping head is fixedly connected to the inner wall of the moving groove (8), a rotating motor (10) is arranged on the bottom end surface of the threaded rod (9), a moving rod (11) is sleeved on the outer side of the threaded rod (9), a matching threaded hole is arranged at the connection between the moving rod (11) and the threaded rod (9), and a support rod (12) is symmetrically arranged on the front side surface of the moving rod (11).

2. The string inverter lifting and mounting bracket according to claim 1, characterized in that: The fixing mechanism comprises a movable seat (13) and a strip groove (14); an inverter (25) is arranged above the movable seat (13); a strip groove (14) is penetrated through the bottom of the movable seat (13); soft pads (15) are arranged at both ends of the strip groove (14); a plurality of through holes are penetrated through the top surface of the soft pad (15); a threaded column (16) is sleeved inside the movable seat (13); a rotating block (17) is arranged on one side surface of the threaded column (16); a pressing plate (18) is arranged at the other end of the threaded column (16); and a non-slip pad (19) is arranged on one side surface of the pressing plate (18).

3. The string inverter lifting and mounting bracket according to claim 2, characterized in that: The heat dissipation mechanism comprises a heat dissipation fan (20) and a dustproof net (21), wherein the dustproof nets (21) are arranged at both ends of the heat dissipation fan (20), an isolation net (23) is arranged at one end of the dustproof net (21) on the front side of the heat dissipation fan (20), a temperature sensor (22) is sleeved inside the isolation net (23), and a heat dissipation hole (24) is arranged through one end of the dustproof net (21) on the rear side of the heat dissipation fan (20).

4. The string inverter lifting and mounting bracket according to claim 3, characterized in that: A storage battery is arranged below the cooling fan (20); the cooling fan (20) is fixed inside the cooling box (6) via a connecting frame (7); the rear side of the cooling box (6) is fixedly connected to the support rod (12); and the bottom end surface of the cooling box (6) is fixedly connected to the movable seat (13).

5. The string inverter lifting and mounting bracket according to claim 4, characterized in that: A switch is arranged on the front surface of the connection base (1), and a storage battery and a controller are arranged inside the connection base (1).

6. The string inverter lifting and mounting bracket according to claim 5, characterized in that: The moving rod (11) is movably connected to the moving groove (8); the moving seat (13) is a concave structure; and a matching threaded hole is provided at the connection between the threaded column (16) and the moving seat (13).

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