Photovoltaic power generation box-type substation

Abstract

The invention relates to the technical field of transformer substations, in particular to a photovoltaic power generation box-type transformer substation which comprises a power transformation box body, a mounting frame is fixedly mounted at the bottom of the power transformation box body through bolts, the power transformation box body is fixed to the top of a concrete base block through the mounting frame, and a mounting assembly is arranged at the bottom in the power transformation box body. Supporting plates are fixedly installed at the bottom in the power transformation box body through bolts, a fixed rotating rod is movably connected between the supporting plates through a rotating shaft, and a first bevel gear is fixedly installed at the top end of a lifting screw rod. The positioning plate moves towards the two ends of the mounting frame, the mounting plate on the positioning plate penetrates through the mounting hole and enters the base hole, integrated and convenient mounting of the substation box body is achieved, the mounting plate is driven by the hinge rod and the hinge piece to retreat from the base hole and enter the mounting frame, and quick dismounting between the substation box body and the concrete base block is achieved. Time and labor are saved.

Description

Technical Field

[0001] The invention relates to the technical field of transformer substations, and in particular to a photovoltaic power generation box-type transformer substation. Background Art

[0002] The photovoltaic box-type substation is a highly integrated power equipment designed specifically for photovoltaic power stations. It integrates step-up transformers, high-voltage switchgear, low-voltage distribution devices, monitoring systems, etc. in a closed box. It is the core hub for the grid-connected transmission of photovoltaic power generation systems. With its modular design, efficient operation and maintenance, and strong environmental adaptability, the photovoltaic box-type substation has become a standard equipment in the era of parity photovoltaics.

[0003] At present, the transformer boxes of the substation are all manually transported to the site for assembly and installation. This installation method is time-consuming and labor-intensive. First, a large number of workers are required to carry the transformer boxes back and forth, and then operators are required to assemble and install the transformer boxes on site. The assembly installation is time-consuming and labor-intensive, and the operation is relatively difficult. In addition, the heat dissipation of the internal electrical components of the transformer box will cause the internal temperature of the transformer box to be too high, and the excessively high temperature will cause irreversible damage to the electrical components inside the transformer box, greatly shortening the service life of the transformer box and causing great economic losses. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a photovoltaic power generation box-type substation.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: comprising a transformer box, a mounting frame is fixedly installed on the bottom of the transformer box by bolts, the transformer box is fixed on the top of the concrete base block by the mounting frame, and a mounting assembly is arranged at the bottom of the transformer box, and the mounting assembly includes: A lifting screw is movable at the center of the mounting frame, a support plate is fixedly installed at the bottom of the transformer box body by bolts, a fixed rotating rod is movably connected between the support plates by a rotating shaft, a first bevel gear is fixedly installed at the top of the lifting screw, and second bevel gears movably meshed with the first bevel gear are fixedly installed at both ends of the fixed rotating rod, and a lifting plate is connected through a thread on the lifting screw.

[0006] The positioning plates are movable at both ends of the bottom of the mounting frame, the bottom of the mounting frame is provided with a fixed slide groove, the positioning plate is fixedly mounted with the mounting plate by bolts, and a hinge rod is movably connected between the positioning plate and the lifting plate through a hinge.

[0007] A heat sink is fixedly installed on the top of the transformer box by bolts, a servo motor is fixedly installed inside the heat sink by bolts, an output end of the servo motor is connected to a movable screw, a movable block is threadedly connected on the movable screw, and a cooling fan is fixedly installed on the movable block by bolts.

[0008] As a preferred technical solution of the present invention, a triangular support block is fixedly installed on the top of the heat dissipation frame by bolts, a mounting groove is provided on the top of the triangular support block, a solar panel is fixedly installed on the triangular support block in the mounting groove by bolts, a battery slot is provided at the center of both ends of the triangular support block, and a battery baffle is fixedly installed on the triangular support block at both ends of the battery slot by bolts.

[0009] The top of the transformer box is evenly provided with a plurality of air inlet holes on the bottom side of the cooling fan, and the top of the transformer box is evenly provided with a plurality of air outlet holes on the side away from the cooling fan. The transformer box is fixed with a dustproof fine net on the top of the air inlet holes and the air outlet holes by bolts, and the heat dissipation frame is provided with heat dissipation holes.

[0010] As a preferred technical solution of the present invention, the cooling fan is movable at the top of the air inlet hole, the heat dissipation frame is fixedly installed with a limit rod on one side of the movable screw by bolts, the movable block is movable through the limit rod, and the transformer box is connected to the box door by a hinge joint.

[0011] A third bevel gear is fixedly installed on the middle end of the fixed rotating rod by bolts, a fourth bevel gear is meshedly connected to one side of the third bevel gear, a rotating shaft is fixedly installed on one side of the fourth bevel gear by bolts, the top of the rotating shaft extends through and extends to the outer side of the transformer box, and a rotating disk is fixedly installed on the top of the rotating shaft by bolts.

[0012] As a preferred technical solution of the present invention, the transformer box is fixed with a sealing rotating seat on the outer side of the rotating disk by bolts, and the rotating disk moves in the sealing rotating seat, and a sealing cover is movably connected to the outer periphery of the sealing rotating seat.

[0013] The mounting frame is slidably connected with a fixed slider in the fixed slide groove, the top of the fixed slider is fixedly installed at the bottom of the mounting plate by bolts, and positioning rods are fixedly installed on both sides of the lifting screw rod in the mounting frame by bolts, and both ends of the lifting plate movably pass through the positioning rods.

[0014] As a preferred technical solution of the present invention, a mounting hole matching the size of the mounting plate is provided at the bottom of the mounting frame, and the mounting plate is movable through the mounting hole, and a mounting groove matching the size of the mounting frame is provided at the top of the concrete base block, and the mounting frame is movable in the mounting groove.

[0015] The concrete base block is provided with base holes matching the size of the mounting plate at both ends of the mounting groove, the top end of the mounting plate moves in the base holes, and the concrete base block is evenly provided with a plurality of drainage holes at the inner bottom of the mounting groove.

[0016] Compared with the prior art, the present invention can achieve the following beneficial effects: During the descent process, the lifting plate pushes the positioning plate on the fixed slider through the hinge rod and the hinge, and the positioning plate moves toward the two ends of the mounting frame. The mounting plate on the positioning plate passes through the mounting hole and enters the hole of the base, realizing the integrated and convenient installation of the transformer box. The mounting plate is driven by the hinge rod and the hinge to exit the hole of the base and enter the mounting frame, realizing the rapid disassembly between the transformer box and the concrete base block, saving time and effort.

[0017] The cooling fan blows the gas into the transformer box through the air inlet holes, and the hot air in the transformer box is discharged through the air outlet holes, thereby accelerating the air flow rate inside the transformer box.

[0018] The servo motor in the heat dissipation frame drives the movable block on the movable screw to realize horizontal reciprocating motion under the action of the limit rod, driving the heat dissipation fan to move back and forth on the air inlet hole, thereby improving the efficiency of the internal hot air flow, and completing the conversion of light energy into electrical energy storage through the solar panels on the triangular support block and the battery slot, which is economical and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the transformer box of the present invention; Figure 3 It is a structural schematic diagram of the concrete base block of the present invention; Figure 4 It is a structural schematic diagram of the heat dissipation frame of the present invention; Figure 5 It is a structural schematic diagram of the movable block of the present invention; Figure 6 It is a structural schematic diagram of the mounting frame of the present invention; Figure 7 It is a structural schematic diagram of the support plate of the present invention; Figure 8 It is a structural schematic diagram of the positioning plate of the present invention; Fig. 9 It is a structural schematic diagram of the lifting screw rod of the present invention.

[0020] Among them: 10, transformer box; 11, air inlet hole; 12, air outlet hole; 13, dustproof fine net; 14, box door; 20, mounting frame; 21, lifting screw; 22, first bevel gear; 23, lifting plate; 24, positioning rod; 25, mounting hole; 30, support plate; 31, fixed rotating rod; 32, second bevel gear; 33, third bevel gear; 34, fourth bevel gear; 35, rotating shaft; 36, rotating disk; 37, sealing rotating seat; 38, sealing cover; 40, positioning Plate; 41, fixed slide; 42, mounting plate; 43, hinge; 44, hinged rod; 45, fixed slider; 50, heat sink; 51, servo motor; 52, movable screw; 53, movable block; 54, cooling fan; 55, heat dissipation holes; 56, limit rod; 60, triangular support block; 61, mounting groove; 62, solar panel; 63, battery slot; 64, battery baffle; 70, concrete base block; 71, mounting groove; 72, base hole; 73, drain hole. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work all belong to the protection scope of the present invention. The experimental methods in the following embodiments, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following embodiments, unless otherwise specified, can all be obtained from commercial channels.

[0022] Embodiment: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, a transformer box 10 is included, a mounting frame 20 is fixedly installed at the bottom of the transformer box 10 by bolts, the transformer box 10 is fixed to the top of the concrete base block 70 by the mounting frame 20, and a mounting assembly is arranged at the bottom of the transformer box 10, and the mounting assembly includes: A lifting screw 21 is movable at the inner center of the mounting frame 20, and a support plate 30 is fixedly installed at the bottom of the transformer box 10 by bolts. A fixed rotating rod 31 is movably connected between the support plates 30 through a rotating shaft. A first bevel gear 22 is fixedly installed at the top of the lifting screw 21, and second bevel gears 32 movably meshed with the first bevel gear 22 are fixedly installed at both ends of the fixed rotating rod 31. A lifting plate 23 is connected with a thread passing through the lifting screw 21, and the lifting screw 21 is used to drive the lifting plate 23 to perform stable lifting and lowering movements.

[0023] The positioning plates 40 are movable at both ends of the bottom of the mounting frame 20, and a fixed slide groove 41 is opened at the bottom of the mounting frame 20. The positioning plate 40 is fixed with a mounting plate 42 by bolts. The positioning plate 40 and the lifting plate 23 are movably connected by a hinge 43 with a hinge rod 44. The lifting and lowering movement of the lifting plate 23 drives the positioning plate 40 to move.

[0024] A heat sink 50 is fixedly installed on the top of the transformer box 10 by bolts, a servo motor 51 is fixedly installed inside the heat sink 50 by bolts, a movable screw 52 is connected to the output end of the servo motor 51, a movable block 53 is threadedly connected to the movable screw 52, ​​a cooling fan 54 is fixedly installed on the movable block 53 by bolts, and the cooling fan 54 is used to complete the flow of hot air inside the transformer box 10 to improve the heat dissipation effect.

[0025] See also Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 A triangular support block 60 is fixedly installed on the top of the heat dissipation frame 50 by bolts, a mounting groove 61 is opened on the top of the triangular support block 60, a solar panel 62 is fixedly installed on the triangular support block 60 in the mounting groove 61 by bolts, a battery slot 63 is opened at the center of both ends of the triangular support block 60, and a battery baffle 64 is fixedly installed on the triangular support block 60 at both ends of the battery slot 63 by bolts, the solar panel 62 converts light energy into electrical energy, and the electrical energy is stored in the battery slot 63, saving resources.

[0026] A plurality of air inlet holes 11 are evenly arranged on the top of the transformer box 10 at the bottom side of the cooling fan 54, and a plurality of air outlet holes 12 are evenly arranged on the top of the transformer box 10 at the side away from the cooling fan 54. A dustproof fine net 13 is fixedly installed on the top of the air inlet holes 11 and the air outlet holes 12 of the transformer box 10 by bolts, and the inside of the transformer box 10 is dustproofed by the dustproof fine net 13. The heat dissipation holes 55 are arranged on the heat dissipation frame 50, and the hot air inside the transformer box 10 is exchanged through the heat dissipation holes 55 to achieve heat dissipation and cooling.

[0027] See also Figure 4, Figure 5 , Figure 7 , Figure 8 and Fig. 9 The cooling fan 54 moves at the top of the air inlet hole 11, the cooling frame 50 is fixed with a limit rod 56 on one side of the movable screw rod 52 by bolts, the movable block 53 moves through the limit rod 56, and the transformer box body 10 is connected to the box door 14 through a hinge joint.

[0028] A third bevel gear 33 is fixedly installed on the middle end of the fixed rotating rod 31 by bolts, and a fourth bevel gear 34 is meshedly connected to one side of the third bevel gear 33. A rotating shaft 35 is fixedly installed on one side of the fourth bevel gear 34 by bolts. The top of the rotating shaft 35 extends through and extends to the outer side of the transformer box 10. A rotating disk 36 is fixedly installed on the top of the rotating shaft 35 by bolts. The rotating disk 36 drives the rotating shaft 35 to move, and the rotating shaft 35 drives the fixed rotating rod 31 to move synchronously through the bevel gears, and the structural connection is stable and smooth.

[0029] See also Figure 2 , Figure 7 , Figure 8 and Fig. 9 A sealed rotating seat 37 is fixedly installed on the outer side of the rotating disk 36 of the transformer box 10 by bolts, and the rotating disk 36 moves in the sealed rotating seat 37. A sealing cover 38 is movably connected to the outer periphery of the sealed rotating seat 37. The rotating disk 36 is protected by the cooperation of the sealing cover 38 and the sealed rotating seat 37, thereby effectively preventing the transformer box 10 from being stolen.

[0030] The mounting frame 20 is slidably connected with a fixed slider 45 in a fixed slide groove 41, and the top of the fixed slider 45 is fixedly installed at the bottom of the mounting plate 42 by bolts. Positioning rods 24 are fixedly installed on both sides of the lifting screw 21 in the mounting frame 20 by bolts, and the two ends of the lifting plate 23 are movably inserted into the positioning rods 24, so that the lifting plate 23 is converted into a linear lifting motion by the synchronous rotation motion of the lifting screw 21.

[0031] See also Figure 1 , Figure 3 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 A mounting hole 25 having a size matching that of the mounting plate 42 is formed at the bottom of the mounting frame 20, and the mounting plate 42 is movable through the mounting hole 25. A mounting groove 71 having a size matching that of the mounting frame 20 is formed at the top of the concrete base block 70, and the mounting frame 20 is movable in the mounting groove 71. Through the cooperation between the mounting frame 20 and the mounting groove 71, the transformer box 10 and the concrete base block 70 can be quickly installed and disassembled.

[0032] The concrete base block 70 is provided with base holes 72 of the same size as the mounting plate 42 at both ends of the mounting groove 71. The top of the mounting plate 42 moves in the base hole 72. The concrete base block 70 is evenly provided with a plurality of drainage holes 73 at the inner bottom of the mounting groove 71. The concrete base block 70 is drained through the drainage holes 73 to prevent rainwater from accumulating in the concrete base block 70.

[0033] Working principle: Place the concrete prefabricated block at the designated location, align the mounting frame 20 under the transformer box 10 into the mounting groove 71, open the sealing cover 38 on the rotating sealing seat, and then operate the rotating disk 36 to drive the fourth bevel gear 34 on the rotating shaft 35 to rotate, and the fourth bevel gear 34 engages to drive the third bevel gear 33 on the fixed rotating rod 31 to rotate, so that the fixed rotating rod 31 rotates stably on the supporting plate 30, and the fixed rotating rod 31 drives the second bevel gears 32 at both ends to rotate, and the second bevel gear 32 engages with the first bevel gear 22 to drive the lifting screw 21 in the mounting frame 20 to rotate; The lifting plate 23 on the lifting screw 21 realizes linear lifting motion through the positioning rod 24 during the synchronous rotation motion. The lifting plate 23 pushes the positioning plate 40 on the fixed slider 45 through the hinge rod 44 and the hinge 43 during the descending process. The positioning plate 40 moves toward the two ends of the mounting frame 20. The mounting plate 42 on the positioning plate 40 penetrates the mounting hole 25 and enters the base hole 72, thereby realizing the integrated and convenient installation of the transformer box 10. When the lifting plate 23 moves upward, the mounting plate 42 is driven to exit the base hole 72 and enter the mounting frame 20 through the hinge rod 44 and the hinge 43, so that the transformer box 10 and the concrete base block 70 can be quickly disassembled, saving time and effort. During use, the inside of the transformer box 10 is cooled and dissipated by the cooling fan 54 in the heat dissipation frame 50. The cooling fan 54 blows gas into the transformer box 10 through the air inlet hole 11, and the hot air in the transformer box 10 is discharged through the air outlet hole 12, thereby accelerating the air flow rate inside the transformer box 10 and cooling the inside of the transformer box 10. The servo motor 51 in the heat dissipation frame 50 drives the movable block 53 on the movable screw 52 to realize horizontal reciprocating motion under the action of the limit rod 56, driving the cooling fan 54 to move back and forth on the air inlet hole 11, thereby improving the efficiency of the internal hot air flow, and completing the conversion of light energy into electrical energy storage through the solar panel 62 on the triangular support block 60 and the battery slot 63, which is economical and environmentally friendly.

[0034] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A photovoltaic power generation box-type substation, comprising a substation box (10), characterized in that: A mounting frame (20) is fixedly mounted on the bottom of the transformer box (10) by means of bolts. The transformer box (10) is fixed to the top of a concrete base block (70) by means of the mounting frame (20). A mounting assembly is arranged at the bottom of the transformer box (10), and the mounting assembly comprises: A lifting screw (21) is movable at the center of the mounting frame (20); a support plate (30) is fixedly mounted on the bottom of the transformer box (10) by bolts; a fixed rotating rod (31) is movably connected between the support plates (30) by a rotating shaft; a first bevel gear (22) is fixedly mounted on the top of the lifting screw (21); second bevel gears (32) movably meshing with the first bevel gear (22) are fixedly mounted at both ends of the fixed rotating rod (31); and a lifting plate (23) is threadedly penetrated and connected on the lifting screw (21); A positioning plate (40) is movably disposed at both ends of the bottom of the mounting frame (20); a fixed slide groove (41) is provided at the bottom of the mounting frame (20); a mounting plate (42) is fixedly mounted on the positioning plate (40) by bolts; and a hinge rod (44) is movably connected between the positioning plate (40) and the lifting plate (23) by a hinge (43); A heat sink (50) is fixedly mounted on the top of the transformer box (10) by means of bolts, a servo motor (51) is fixedly mounted inside the heat sink (50) by means of bolts, an output end of the servo motor (51) is connected to a movable screw rod (52), a movable block (53) is threadedly connected to the movable screw rod (52), and a heat dissipation fan (54) is fixedly mounted on the movable block (53) by means of bolts.

2. A photovoltaic power generation box-type substation according to claim 1, characterized in that: A triangular support block (60) is fixedly mounted on the top of the heat dissipation frame (50) by means of bolts, a mounting groove (61) is provided on the top of the triangular support block (60), a solar panel (62) is fixedly mounted on the triangular support block (60) in the mounting groove (61) by means of bolts, a battery slot (63) is provided at the center of both ends of the triangular support block (60), and a battery baffle (64) is fixedly mounted on the triangular support block (60) at both ends of the battery slot (63) by means of bolts.

3. A photovoltaic power generation box-type substation according to claim 1, characterized in that: The top of the transformer box (10) is evenly provided with a plurality of air inlet holes (11) on the side of the bottom of the cooling fan (54), and the top of the transformer box (10) is evenly provided with a plurality of air outlet holes (12) on the side away from the cooling fan (54). The transformer box (10) is fixed with a dustproof fine net (13) on the top of the air inlet holes (11) and the air outlet holes (12) by bolts, and the cooling frame (50) is provided with heat dissipation holes (55).

4. A photovoltaic power generation box-type substation according to claim 1, characterized in that: The cooling fan (54) is movable at the top of the air inlet hole (11); the cooling frame (50) is fixedly mounted on a limit rod (56) on one side of the movable screw rod (52) by means of bolts; the movable block (53) is movable and penetrates the limit rod (56); and the transformer box body (10) is connected to a box door (14) by means of a hinge joint.

5. A photovoltaic power generation box-type substation according to claim 1, characterized in that: A third bevel gear (33) is fixedly mounted on the middle end of the fixed rotating rod (31) by means of bolts, a fourth bevel gear (34) is meshedly connected to one side of the third bevel gear (33), a rotating shaft (35) is fixedly mounted on one side of the fourth bevel gear (34) by means of bolts, the top of the rotating shaft (35) extends through and extends to the outside of the transformer box (10), and a rotating disk (36) is fixedly mounted on the top end of the rotating shaft (35) by means of bolts.

6. A photovoltaic power generation box-type substation according to claim 5, characterized in that: The transformer box (10) is fixedly mounted with a sealing rotating seat (37) on the outer side of the rotating disk (36) by means of bolts, and the rotating disk (36) moves in the sealing rotating seat (37), and a sealing cover (38) is movably connected to the outer periphery of the sealing rotating seat (37).

7. A photovoltaic power generation box-type substation according to claim 1, characterized in that: The mounting frame (20) is slidably connected to a fixed slide block (45) in the fixed slide groove (41); the top end of the fixed slide block (45) is fixedly mounted on the bottom of the mounting plate (42) by means of bolts; positioning rods (24) are fixedly mounted on both sides of the lifting screw rod (21) in the mounting frame (20) by means of bolts, and both ends of the lifting plate (23) are movably inserted into the positioning rods (24).

8. A photovoltaic power generation box-type substation according to claim 1, characterized in that: The bottom of the mounting frame (20) is provided with a mounting hole (25) whose size matches that of the mounting plate (42), and the mounting plate (42) movably penetrates the mounting hole (25); the top of the concrete base block (70) is provided with a mounting groove (71) whose size matches that of the mounting frame (20), and the mounting frame (20) movably penetrates the mounting hole (25).

9. A photovoltaic power generation box-type substation according to claim 8, characterized in that: The concrete base block (70) is provided with base holes (72) of a size matching that of the mounting plate (42) at both ends of the mounting groove (71); the top end of the mounting plate (42) moves in the base hole (72); and the concrete base block (70) is evenly provided with a plurality of drainage holes (73) at the inner bottom of the mounting groove (71).

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