Photovoltaic isolation transformer with mounting structure

Abstract

The utility model belongs to the field of photovoltaic isolation transformers, and particularly relates to a photovoltaic isolation transformer with a mounting structure, which comprises a base, the top of the base is fixedly connected with a positioning shell, two sides of the top of the base are respectively provided with a sliding chute, inner cavities of the two sliding chutes are respectively connected with a sliding block in a sliding manner, and the sliding blocks are arranged in the sliding chutes. A positioning frame is fixedly connected between the tops of the two sliding blocks. Through the positioning and clamping mechanism, the transformer body can be limited under the action of the positioning and clamping mechanism, so that not only is the mounting efficiency of workers improved, but also the workers can conveniently disassemble and maintain the transformer body under the action of reverse rotation of the output end of the motor; the problems that an existing photovoltaic isolation transformer is usually fixed in a box body through bolts, after the photovoltaic isolation transformer is damaged, workers need to dismantle the bolts one by one, in this way, matching tools are needed, the disassembling and assembling process is tedious, and therefore the maintenance efficiency of the workers is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the field of photovoltaic isolation transformers, in particular to a photovoltaic isolation transformer with a mounting structure. Background Art

[0002] Photovoltaic isolation transformer is a transformer specially used in photovoltaic power generation systems. It is mainly used to convert the direct current generated by photovoltaic panels into alternating current and increase the voltage. It has functions such as isolation, voltage stabilization, noise reduction, and overload protection. It can ensure the safe and stable operation of photovoltaic power generation systems. Photovoltaic isolation transformers usually use iron cores made of high-quality silicon steel sheets to improve the efficiency and stability of the transformer.

[0003] Existing photovoltaic isolation transformers are usually fixed inside the box with bolts. When the photovoltaic isolation transformer is damaged, workers are required to remove the bolts one by one. This method not only requires the use of supporting tools, but also the disassembly and assembly process is cumbersome, thereby reducing the maintenance efficiency of the workers. Therefore, in order to solve the above problem, a photovoltaic isolation transformer with an installation structure is proposed. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, the utility model solves the problem that the existing photovoltaic isolation transformer is usually fixed inside the box with bolts. When the photovoltaic isolation transformer is damaged, the staff needs to remove the bolts one by one. This method not only requires the use of supporting tools, but also the disassembly and assembly process is relatively cumbersome, thereby reducing the maintenance efficiency of the staff. The utility model proposes a photovoltaic isolation transformer with an installation structure.

[0005] The utility model solves the technical problem by adopting the following technical solution: a photovoltaic isolation transformer with an installation structure, comprising a base, a positioning shell fixedly connected to the top of the base, slide grooves are provided on both sides of the top of the base, sliders are slidably connected to the inner cavities of the two slide grooves, a positioning frame is fixedly connected between the tops of the two sliders, the bottom of the positioning frame contacts the top of the base, a transformer body is fixedly installed between the tops of the two positioning frames, and a positioning clamping mechanism is provided on the top of the base;

[0006] The positioning clamping mechanism includes a motor, the bottom of the motor is fixedly connected to the top of the base, the output end of the motor is fixedly connected to the first synchronous wheel, the surface of the first synchronous wheel is connected to the second synchronous wheel through a belt drive, the bottom of the second synchronous wheel is fixedly connected to a transmission rod, the bottom of the transmission rod passes through the inner cavity of the base and is fixedly connected to the first bevel gear, the left side of the first bevel gear is meshed and connected to the second bevel gear, the inner cavity of the second bevel gear is fixedly connected to a bidirectional screw rod, both sides of the bidirectional screw rod are rotatably connected to the inner wall of the base through bearings, the surface of the bidirectional screw rod is threadedly connected to two threaded sleeves, the tops of the two threaded sleeves are fixedly connected to clamping plates, the surface of the transmission rod is rotatably connected to the inner wall of the positioning shell, the surface fixed sleeve of the transmission rod is provided with a cam, and limit plates are provided on both sides of the cam, and the opposite sides of the two limit plates are fixedly connected to a reset spring and a plug rod, the side of the reset spring away from the limit plate is fixedly connected to the inner wall of the positioning shell, and the side of the plug rod away from the limit plate passes through the outside of the positioning shell.

[0007] Preferably, a surface fixing sleeve of the motor is provided with a positioning ring, and the bottom of the positioning ring is fixedly connected to the top of the base.

[0008] Preferably, one side of the two clamps opposite to each other is fixedly connected with a buffer spring, and one side of the buffer spring away from the clamp is fixedly connected with a buffer plate.

[0009] The buffer spring and the buffer plate can be arranged in cooperation to protect the positioning frame and prevent the positioning frame from being squeezed and deformed.

[0010] Preferably, the front side and the rear side of the limiting plate are both fixedly connected with sliding blocks, and the side of the sliding block away from the limiting plate is slidably connected to the surface of the positioning shell.

[0011] Preferably, mounting plates are fixedly connected to both sides of the base, and mounting holes are provided on the tops of the mounting plates.

[0012] By arranging the mounting plate and the mounting hole, the base can be limited, so that it is convenient for the staff to install the base.

[0013] Preferably, a groove is provided at the bottom of the slide slot, a first spring is fixedly connected to the bottom of the inner cavity of the groove, and a sloped stopper is fixedly connected to the top of the first spring.

[0014] Preferably, slots are provided on opposite sides of the two positioning frames, and the slots are used in conjunction with the insertion rods.

[0015] The utility model is beneficial in that:

[0016] 1. The utility model can limit the position of the transformer body through the positioning and clamping mechanism, which not only improves the installation efficiency of the staff, but also facilitates the staff to disassemble and maintain the transformer body under the action of the reverse rotation of the motor output end;

[0017] 2. The utility model can limit the position of the transformer body during pre-installation through the cooperation of the first spring and the inclined surface stopper, thereby improving the stability of the transformer body installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the structure of a photovoltaic isolation transformer with an installation structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the base and the positioning clamping mechanism of the utility model;

[0021] Figure 3 This is a structural cross-sectional view of the base of the utility model;

[0022] Figure 4 It is a structural cross-sectional view of the positioning shell and the positioning clamping mechanism of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the positioning and clamping mechanism of the utility model.

[0024] In the figure: 1, base; 2, positioning shell; 3, slide groove; 4, slider; 5, positioning frame; 6, transformer body; 7, positioning clamping mechanism; 701, motor; 702, first synchronous wheel; 703, second synchronous wheel; 704, transmission rod; 705, first bevel gear; 706, second bevel gear; 707, bidirectional screw rod; 708, threaded sleeve; 709, clamping plate; 710, cam; 711, limit plate; 712, reset spring; 713, plug rod; 714, positioning ring; 715, buffer spring; 716, buffer plate; 717, sliding block; 8, mounting plate; 9, mounting hole; 10, first spring; 11, inclined surface block; 12, slot. DETAILED DESCRIPTION

[0025] 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.

[0026] The following is combined with Figure 1-5 To further explain this application in detail,

[0027] The embodiment of the present application discloses a photovoltaic isolation transformer with an installation structure. Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A photovoltaic isolation transformer with an installation structure includes a base 1, a positioning shell 2 is fixedly connected to the top of the base 1, slide grooves 3 are provided on both sides of the top of the base 1, sliders 4 are slidably connected to the inner cavities of the two slide grooves 3, a positioning frame 5 is fixedly connected between the tops of the two sliders 4, the bottom of the positioning frame 5 is in contact with the top of the base 1, a transformer body 6 is fixedly installed between the tops of the two positioning frames 5, and a positioning clamping mechanism 7 is provided on the top of the base 1;

[0028] The positioning and clamping mechanism 7 includes a motor 701, the bottom of the motor 701 is fixedly connected to the top of the base 1, the output end of the motor 701 is fixedly connected to the first synchronous wheel 702, the surface of the first synchronous wheel 702 is connected to the second synchronous wheel 703 through a belt drive, the bottom of the second synchronous wheel 703 is fixedly connected to a transmission rod 704, the bottom of the transmission rod 704 penetrates into the inner cavity of the base 1 and is fixedly connected to a first bevel gear 705, the left side of the first bevel gear 705 is meshedly connected to the second bevel gear 706, the inner cavity of the second bevel gear 706 is fixedly connected to a bidirectional screw rod 707, both sides of the bidirectional screw rod 707 are rotatably connected to the inner wall of the base 1 through bearings, the surface of the bidirectional screw rod 707 is threadedly connected to two threaded sleeves 708, and the tops of the two threaded sleeves 708 They are all fixedly connected with a clamping plate 709, the surface of the transmission rod 704 is rotatably connected to the inner wall of the positioning shell 2, the surface of the transmission rod 704 is fixedly sleeved with a cam 710, and limiting plates 711 are arranged on both sides of the cam 710, and the opposite sides of the two limiting plates 711 are fixedly connected with a reset spring 712 and an insertion rod 713, the side of the reset spring 712 away from the limiting plate 711 is fixedly connected to the inner wall of the positioning shell 2, and the side of the insertion rod 713 away from the limiting plate 711 passes through the outside of the positioning shell 2; by utilizing the positioning clamping mechanism 7, the transformer body 6 can be limited under the action of the positioning clamping mechanism 7, which not only improves the installation efficiency of the staff, but also can facilitate the staff to disassemble and maintain the transformer body 6 under the action of the reverse rotation of the output end of the motor 701.

[0029] Reference Figure 5 A positioning ring 714 is fixedly mounted on the surface of the motor 701, and the bottom of the positioning ring 714 is fixedly connected to the top of the base 1; by providing the positioning ring 714, the motor 701 can be limited to avoid position deviation of the motor 701 during use.

[0030] Reference Figure 4 , the two opposite sides of the two clamps 709 are fixedly connected with a buffer spring 715, and the side of the buffer spring 715 away from the clamp 709 is fixedly connected with a buffer plate 716; by arranging the buffer spring 715 and the buffer plate 716 in cooperation, the positioning frame 5 can be protected to prevent the positioning frame 5 from being squeezed and deformed.

[0031] Reference Figure 4 The front and rear sides of the limiting plate 711 are fixedly connected with sliding blocks 717, and the side of the sliding block 717 away from the limiting plate 711 is slidably connected to the surface of the positioning shell 2; by setting the sliding block 717, the limiting plate 711 can be laterally limited to avoid position deviation when the limiting plate 711 moves laterally.

[0032] Reference Figure 2 and Figure 3Both sides of the base 1 are fixedly connected with mounting plates 8, and the top of the mounting plates 8 is provided with mounting holes 9; by arranging the mounting plates 8 and the mounting holes 9, the base 1 can be limited, so that it is convenient for the staff to install the base 1.

[0033] Reference Figure 2 and Figure 3 A groove is provided at the bottom of the slide 3, a first spring 10 is fixedly connected to the bottom of the inner cavity of the groove, and a sloped stopper 11 is fixedly connected to the top of the first spring 10; by arranging the first spring 10 and the sloped stopper 11 in cooperation, the slider 4 can be limited to prevent the slider 4 from sliding during use.

[0034] Reference Figure 2 A slot 12 is provided on the opposite side of the two positioning frames 5, and the slot 12 is used in conjunction with the insertion rod 713; by setting the slot 12 and the insertion rod 713 to cooperate, the positioning frame 5 can be limited, thereby improving the stability of the installation of the positioning frame 5.

[0035] Working principle: When in use, the staff inserts the two sliders 4 into the inner cavity of the two slide grooves 3, and then pushes the transformer body 6 backward. When the slider 4 moves backward, it squeezes the inclined surface block 11, so that the inclined surface block 11 moves downward to squeeze the first spring 10. When the slider 4 moves backward to the specified position, the reaction force of the first spring 10 drives the inclined surface block 11 to move upward, and the slider 4 can be stuck and limited. At this time, the staff starts the motor 701, and the output end of the motor 701 drives the first synchronous wheel 702 to rotate. When the first synchronous wheel 702 rotates, it drives the belt to transmit. When the belt is transmitted, it drives the second synchronous wheel 703 to rotate. When the second synchronous wheel 703 rotates, it drives the transmission rod 704 to rotate. When the transmission rod 704 rotates, it drives the cam 710 and the first bevel gear 705 to rotate. When the first bevel gear 705 rotates, it drives the second bevel gear 70 When the two locking cams 710 are in engagement with the first and second locking cams 711, the first and second locking cams 711 are in engagement with the first and second locking cams 712. When the two locking cams 710 are in engagement with the first and second locking cams 712, the second and second locking cams 713 are in engagement with the first and second locking cams 712.

[0036] The above shows and describes the basic principle, 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, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A photovoltaic isolation transformer with a mounting structure, characterized in that: The utility model comprises a base (1), the top of the base (1) is fixedly connected to a positioning shell (2), both sides of the top of the base (1) are provided with slide grooves (3), the inner cavities of the two slide grooves (3) are slidably connected to sliders (4), a positioning frame (5) is fixedly connected between the tops of the two sliders (4), the bottom of the positioning frame (5) is in contact with the top of the base (1), a transformer body (6) is fixedly installed between the tops of the two positioning frames (5), and a positioning clamping mechanism (7) is provided at the top of the base (1); The positioning clamping mechanism (7) comprises a motor (701), the bottom of the motor (701) is fixedly connected to the top of the base (1), the output end of the motor (701) is fixedly connected to a first synchronous wheel (702), the surface of the first synchronous wheel (702) is connected to a second synchronous wheel (703) via a belt transmission, the bottom of the second synchronous wheel (703) is fixedly connected to a transmission rod (704), the bottom of the transmission rod (704) penetrates into the inner cavity of the base (1) and is fixedly connected to a first bevel gear (705), the left side of the first bevel gear (705) is meshedly connected to a second bevel gear (706), the inner cavity of the second bevel gear (706) is fixedly connected to a bidirectional screw rod (707), both sides of the bidirectional screw rod (707) are connected via bearings The two-way screw rod (707) is rotatably connected to the inner wall of the base (1); the surface of the two-way screw rod (707) is threadedly connected to two threaded sleeves (708); the tops of the two threaded sleeves (708) are fixedly connected to a clamping plate (709); the surface of the transmission rod (704) is rotatably connected to the inner wall of the positioning shell (2); the surface of the transmission rod (704) is fixedly sleeved with a cam (710); both sides of the cam (710) are provided with limit plates (711); the opposite sides of the two limit plates (711) are fixedly connected to a reset spring (712) and an insertion rod (713); the side of the reset spring (712) away from the limit plate (711) is fixedly connected to the inner wall of the positioning shell (2); the side of the insertion rod (713) away from the limit plate (711) passes through the outer side of the positioning shell (2).

2. A photovoltaic isolation transformer with a mounting structure according to claim 1, characterized in that: A positioning ring (714) is provided on the surface fixing sleeve of the motor (701), and the bottom of the positioning ring (714) is fixedly connected to the top of the base (1).

3. The photovoltaic isolation transformer with a mounting structure according to claim 1, characterized in that: The two clamping plates (709) are fixedly connected to opposite sides thereof with a buffer spring (715), and the buffer spring (715) is fixedly connected to a buffer plate (716) on a side away from the clamping plates (709).

4. The photovoltaic isolation transformer with a mounting structure according to claim 1, characterized in that: The front side and the rear side of the limiting plate (711) are both fixedly connected with a sliding block (717), and the side of the sliding block (717) away from the limiting plate (711) is slidably connected to the surface of the positioning shell (2).

5. The photovoltaic isolation transformer with a mounting structure according to claim 1, characterized in that: Both sides of the base (1) are fixedly connected with mounting plates (8), and the top of the mounting plate (8) is provided with a mounting hole (9).

6. The photovoltaic isolation transformer with a mounting structure according to claim 1, characterized in that: A groove is provided at the bottom of the slide groove (3), a first spring (10) is fixedly connected to the bottom of the inner cavity of the groove, and a sloped stopper (11) is fixedly connected to the top of the first spring (10).

7. The photovoltaic isolation transformer with a mounting structure according to claim 1, characterized in that: A slot (12) is provided on one side opposite to the other of the two positioning frames (5), and the slot (12) is used in conjunction with the insertion rod (713).

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