Large-power photovoltaic micro inverter main transformer with positioning structure

Abstract

The utility model discloses a high-power photovoltaic micro inverter main transformer with a positioning structure, which comprises a first magnetic core main body and a first mounting cavity clamped at the upper end of the first magnetic core main body, the first mounting cavity is arranged inside the lower end of a coil mounting roller, and a second mounting cavity is arranged at the upper end of the coil mounting roller. A second magnetic core main body is clamped and connected in the second mounting cavity; positioning blocks are fixedly connected to the left ends of the second mounting cavity and the first mounting cavity, the positioning blocks are connected to the interiors of positioning grooves in a clamped mode, and the positioning grooves are formed in the left middle ends of the first magnetic core body and the second magnetic core body correspondingly. The left end and the right end of the second magnetic core body are rotationally connected with connecting rods, and the rear ends of the connecting rods are integrally connected with connecting lugs. The high-power photovoltaic micro inverter main transformer with the positioning structure is provided with the positioning structure, so that the positioning is convenient and quick, the deviation is prevented, the strength is improved, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -power photovoltaic micro -inverter main transformer technical field, specifically has positioning structure's high -power photovoltaic micro -inverter main transformer. BACKGROUND

[0002] Photovoltaic micro -inverter is the new research field with the photovoltaic new energy power generation rise in recent years, and transformer is indispensable component part in photovoltaic micro -inverter, and the style of high -power photovoltaic micro -inverter main transformer on the market is multiple and can not be in certain demand.

[0003] The utility model discloses a photovoltaic micro -inverter transformer, including the upper magnetic core subassembly, with the lower magnetic core subassembly of upper magnetic core subassembly cooperation installation, be provided with coil positioning assembly in the upper magnetic core subassembly with lower magnetic core subassembly, be provided with coil installation assembly on coil positioning assembly, be provided with input component on coil installation assembly, be provided with output component on coil installation assembly and be located input component opposite side, the both sides of upper magnetic core subassembly with lower magnetic core subassembly are provided with auxiliary locking groove, be provided with auxiliary locking assembly at auxiliary locking groove, be provided with side installation positioning assembly on auxiliary locking assembly, the utility model has the advantages of photovoltaic micro -inverter transformer of this technical scheme, clever structure design, practicality is stronger, and production and assembly are convenient, and production efficiency is high, when using, transformer installation positioning is convenient, effectively improves the installation efficiency of transformer, improves the convenience of transformer.

[0004] In combination with the prior art and the actual production and processing, the current high -power photovoltaic micro -inverter main transformer still has some problems, such as: the coil installation framework is positioned by the coil positioning group, but the structure is unstable, resulting in slow positioning, and the auxiliary locking card, side installation positioning column and other parts limit the lower magnetic core body and the upper magnetic core body, but are easy to deviate, and the lower magnetic core body and the upper magnetic core body are easy to damage after long -term use, reducing the service life, therefore, we propose a high -power photovoltaic micro -inverter main transformer with positioning structure to solve the problems mentioned above. Utility model content

[0005] The utility model discloses a high -power photovoltaic micro -inverter main transformer with positioning structure to solve the problems of the current high -power photovoltaic micro -inverter main transformer, such as inconvenient and slow positioning, easy to deviate, and inconvenient to improve the strength and increase the service life.

[0006] To achieve the above object, the utility model provides following technical scheme: big power photovoltaic micro -inverter main transformer with positioning structure, including first magnetic core main part and first installation cavity that is clamped on its upper end, this first installation cavity is opened in the lower end inside of coil installation roller, and the upper end of coil installation roller is provided with second installation cavity, and the inside of second installation cavity is clamped and connected with second magnetic core main part,

[0007] Also includes:

[0008] The left end of the second installation cavity and the first installation cavity is fixedly connected with a positioning block, and the positioning block is clamped and connected in the inside of the positioning groove, and the positioning groove is respectively arranged in the left middle end of the first magnetic core main body and the second magnetic core main body.

[0009] The left and right ends of the second magnetic core main body are rotatably connected with connecting rods, and the rear ends of the connecting rods are integrally connected with connecting ears, wherein the rear ends of the connecting ears are nested in the hollow structure of the limiting strips.

[0010] Preferably, the second magnetic core main body comprises a waterproof layer, a reinforcing layer and a base layer, and the waterproof layer is fixedly connected to the upper end of the reinforcing layer, and the reinforcing layer is fixedly connected to the upper end of the base layer.

[0011] Preferably, the length of the waterproof layer is greater than the length of the reinforcing layer, and the length of the reinforcing layer is greater than the length of the base layer.

[0012] Preferably, the hollow structure of the positioning block is nested with a limiting rod, and the left end of the limiting rod is clamped in the inside of the limiting groove, wherein the limiting groove is respectively arranged in the left end of the second magnetic core main body and the first magnetic core main body.

[0013] Preferably, the right end of the limiting rod is inlaid in the left end of the mounting block, and the mounting block is slidingly connected in the inside of the mounting groove, and the mounting groove is respectively arranged in the lower end of the first magnetic core main body and the upper end of the second magnetic core main body.

[0014] Preferably, the right end of the mounting block is fixedly connected with a spring, and the right end of the spring is fixedly connected to the right wall of the mounting groove.

[0015] Preferably, the limiting rod is in a sliding structure in the inside of the mounting groove through the mounting block.

[0016] Preferably, the limiting strip is fixedly connected to the upper end of the first magnetic core main body, and the limiting strip is symmetrically arranged about the longitudinal central axis of the first magnetic core main body.

[0017] Compared with the prior art, the big power photovoltaic micro -inverter main transformer with positioning structure has the advantages of positioning structure, convenient and fast positioning, preventing deviation, and improving strength and service life.

[0018] 1. The structure design of the installation block inside the installation slot through the limiting rod, so that the positioning block is clamped inside the positioning slot after;

[0019] The installation block slides to the left through the spring, until the left end of the limiting rod is clamped inside the limiting slot, so that the positioning structure is convenient and fast positioning;

[0020] 2. The rear end of the connecting ear is nested and connected in the hollow structure of the limiting strip, so that the position of the second magnetic core body is limited through the connecting ear and the limiting strip when the connecting rod rotates, thereby preventing deviation;

[0021] 3. The first magnetic core body and the second magnetic core body are provided, and the length of the waterproof layer is greater than the length of the reinforcing layer, so that the reinforcing layer protects the base layer;

[0022] The waterproof layer protects the reinforcing layer, the material of the first magnetic core body and the second magnetic core body is the same, so as to improve the strength and increase the service life. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view cross-sectional structure schematic view of the utility model;

[0024] Figure 2 It is a top view structure schematic view of the utility model;

[0025] Figure 3 It is a second magnetic core body structure schematic view of the utility model;

[0026] Figure 4 It is a connecting rod and connecting ear connection overall structure schematic view of the utility model;

[0027] Figure 5 It is a positioning block and limiting rod connection overall structure schematic view of the utility model;

[0028] Figure 6 It is a positioning slot and positioning block connection left side view cross-sectional structure schematic view of the utility model.

[0029] In the drawing: 1, first magnetic core body; 2, first installation cavity; 3, coil installation roller; 4, second installation cavity; 5, second magnetic core body; 501, waterproof layer; 502, reinforcing layer; 503, base layer; 6, positioning slot; 7, positioning block; 8, limiting rod; 9, limiting slot; 10, installation block; 11, spring; 12, installation slot; 13, connecting rod; 14, limiting strip; 15, connecting ear. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0031] Please refer to Figures 1-6 The utility model provides technical scheme: big power photovoltaic micro inverter main transformer with positioning structure, including first magnetic core main part 1, first installation cavity 2, coil installation roller 3, second installation cavity 4, second magnetic core main part 5, positioning groove 6, positioning block 7, limiting rod 8, limiting groove 9, mounting block 10, spring 11, installation groove 12, connecting rod 13, limiting strip 14 and connecting lug 15.

[0032] Embodiment: the existing positioning group through coil installs the positioning of coil installation framework, but the structure is unstable, resulting in positioning is relatively slow, therefore this embodiment is through the following technical scheme, such as Figure 1 、 Figure 2 、 Figure 5 And Figure 6 Since the positioning block 7 is clamped and connected inside the positioning groove 6, the left end of the limiting rod 8 is clamped and connected inside the limiting groove 9, and the limiting rod 8 is in a sliding structure inside the installation groove 12 through the mounting block 10.

[0033] Therefore, the coil installation roller 3 is prevented from being inside the first magnetic core main part 1, the first installation cavity 2 is clamped and connected at the middle position of the first magnetic core main part 1, the lower positioning block 7 is clamped and connected inside the lower positioning groove 6, the second magnetic core main part 5 is placed on the upper side of the coil installation roller 3, the lower end of the second magnetic core main part 5 is clamped inside the second installation cavity 4, the upper positioning block 7 is clamped inside the upper positioning groove 6, the mounting block 10 is driven by the spring 11 to slide to the left inside the installation groove 12, the limiting rod 8 is nested inside the hollow structure of the positioning block 7, and the left end of the limiting rod 8 is clamped inside the limiting groove 9, so that the positioning structure is convenient and fast positioning.

[0034] The existing auxiliary locking card, side installation positioning column and other parts limit the lower magnetic core main part and the upper magnetic core main part, but are easy to deviate, therefore this embodiment is through the following technical scheme, such as Figure 1 And Figure 4 Since the left and right ends of the second magnetic core main part 5 are rotatably connected with the connecting rod 13, the rear end of the connecting lug 15 is nested in the hollow structure of the limiting strip 14.

[0035] Therefore, after the lower end of the second magnetic core body 5 abuts against the upper end of the first magnetic core body 1, the left and right symmetrically arranged connecting rods 13 are pushed respectively, so that the connecting rods 13 are rotated until the connecting ears 15 are nested in the hollow structures of the limiting strips 14 in the corresponding positions, and the positions of the second magnetic core body 5 on the first magnetic core body 1 are limited through the connecting rods 13, the limiting strips 14 and the connecting ears 15, so that deviation is prevented;

[0036] The lower magnetic core body and the upper magnetic core body are prone to damage after long-term use, and the service life is reduced, so the embodiment prevents the damage of the lower magnetic core body and the upper magnetic core body through the following technical scheme, i.e. Figure 1 And Figure 3 Since the length of the waterproof layer 501 is greater than the length of the reinforcing layer 502, and the length of the reinforcing layer 502 is greater than the length of the base layer 503;

[0037] Therefore, the first magnetic core body 1 and the second magnetic core body 5 are made of the same material, the reinforcing layer 502 protects the base layer 503, the waterproof layer 501 protects the reinforcing layer 502, the waterproof layer 501 is completely wrapped on the reinforcing layer 502, the reinforcing layer 502 is completely wrapped on the base layer 503, the reinforcing layer 502 is made of galvanized steel material, and the waterproof layer 501 is made of polyester film material, so that the strength and the service life are improved, and the electrical elements contained in the above are all prior art, which will not be described in detail here.

[0038] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0039] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-power photovoltaic micro-inverter main transformer with positioning structure, comprising a first magnetic core body (1) and a first mounting cavity (2) fitted on the upper end thereof, the first mounting cavity (2) is opened inside the lower end of the coil mounting roller (3), and the upper end of the coil mounting roller (3) is provided with a second mounting cavity (4), and the second mounting cavity (4) is fitted and connected with a second magnetic core body (5) inside; characterized in that Further comprising: The left end of the second mounting cavity (4) and the first mounting cavity (2) are fixedly connected with a positioning block (7), the positioning block (7) is fitted and connected inside the positioning groove (6), and the positioning groove (6) is respectively arranged inside the left middle end of the first magnetic core body (1) and the second magnetic core body (5); The left and right ends of the second magnetic core body (5) are rotatably connected with a connecting rod (13), and the rear end of the connecting rod (13) is integrally connected with a connecting lug (15), wherein the rear end of the connecting lug (15) is nested in the hollow structure of the limiting strip (14).

2. The high-power photovoltaic micro-inverter main transformer with positioning structure according to claim 1, characterized in that: The second magnetic core body (5) comprises a waterproof layer (501), a reinforcing layer (502) and a base layer (503), the waterproof layer (501) is fixedly connected to the upper end of the reinforcing layer (502), and the reinforcing layer (502) is fixedly connected to the upper end of the base layer (503).

3. The high-power photovoltaic micro-inverter main transformer with positioning structure according to claim 2, characterized in that: The length of the waterproof layer (501) is greater than the length of the reinforcing layer (502), and the length of the reinforcing layer (502) is greater than the length of the base layer (503).

4. The high power photovoltaic micro-inverter main transformer with positioning structure according to claim 1, characterized in that: The hollow structure of the positioning block (7) is nested with a limiting rod (8), and the left end of the limiting rod (8) is fitted and connected inside the limiting groove (9), wherein the limiting groove (9) is respectively arranged inside the left end of the second magnetic core body (5) and the first magnetic core body (1).

5. The high power photovoltaic micro-inverter main transformer with positioning structure according to claim 4, characterized in that: The right end of the limiting rod (8) is inlaidly connected to the left end of the mounting block (10), the mounting block (10) is slidably connected inside the mounting groove (12), and the mounting groove (12) is respectively arranged inside the lower end of the first magnetic core body (1) and the upper end of the second magnetic core body (5).

6. The high-power photovoltaic micro-inverter main transformer with positioning structure according to claim 5, characterized in that: The right end of the mounting block (10) is fixedly connected with a spring (11), and the right end of the spring (11) is fixedly connected to the right wall of the mounting groove (12).

7. The high power photovoltaic micro-inverter main transformer with positioning structure according to claim 4, characterized in that: The limiting rod (8) is in a sliding structure inside the mounting groove (12) through the mounting block (10).

8. The high power photovoltaic micro-inverter main transformer with positioning structure according to claim 1, characterized in that: The limiting strip (14) is fixedly connected to the upper end of the first magnetic core body (1), and the limiting strip (14) is symmetrically arranged about the longitudinal central axis of the first magnetic core body (1).

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