阅读说明：本技术 一种可适应不同线径的光伏组件连接器 (Photovoltaic module connector adaptable to different wire diameters ) 是由 段正刚 于 2019-12-12 设计创作，主要内容包括：本发明提出一种可适应不同线径的光伏组件连接器,其包括母插和公插,所述的母插包括母插插套,所述的公插包括公插插套,母插插套和公插插套的一端通过螺纹连接有线缆固定螺母,其内设置有内爪以及与内爪插接的堵头；所述的堵头的外侧设计为3阶梯结构,所述的内爪包括与堵头插接的插接部以及卡爪部,插接部的内径与堵头的中间部的直径实质相等,插接部的外径与堵头的端部的直径实质相等。本发明的连接器,通过优化线缆固定螺母内的内爪的结构,使用多个内爪并且带台阶结构,保证在电缆插入时不易破坏防水堵头使其变形,能够兼容更宽范围的线径,在产品使用锁紧时更有效的抓紧配合,避免防水堵头脱落,便于施工且完全避免连接器错用引起的风险。(The invention provides a photovoltaic module connector applicable to different wire diameters, which comprises a female plug and a male plug, wherein the female plug comprises a female plug sleeve, the male plug comprises a male plug sleeve, one end of the female plug sleeve and one end of the male plug sleeve are connected with a cable fixing nut through threads, and an inner claw and a plug which is plugged with the inner claw are arranged in the cable fixing nut; the outer side of the plug is designed to be of a 3-step structure, the inner claw comprises an inserting part and a claw part, the inserting part is inserted into the plug, the inner diameter of the inserting part is substantially equal to the diameter of the middle part of the plug, and the outer diameter of the inserting part is substantially equal to the diameter of the end part of the plug. According to the connector, the structure of the inner claws in the cable fixing nut is optimized, the plurality of inner claws are used and have a step structure, the waterproof plug is not easy to damage and deform when a cable is inserted, the cable diameter in a wider range can be compatible, the product can be more effectively clamped and matched when being used and locked, the waterproof plug is prevented from falling off, the construction is facilitated, and the risk caused by misuse of the connector is completely avoided.)

1. The photovoltaic module connector capable of adapting to different wire diameters is characterized by comprising a female plug and a male plug, wherein the female plug comprises a female plug sleeve and a cable fixing nut in threaded connection with one end of the female plug sleeve, and an inner claw and a plug in plug connection with the inner claw are arranged in the cable fixing nut; the female plug terminal is arranged in the female plug sleeve and is fixed with the female plug sleeve through a lock catch; the rear end of the female plug terminal is a riveting part fixed with a cable, and two sides of the plug part of the female plug sleeve are provided with plug hook parts fixedly plugged with the male plug sleeve; the tail end of the insertion part is provided with an annular groove in which an O-shaped ring is arranged; the male plug comprises a male plug sleeve and a cable fixing nut which is connected with one end of the male plug sleeve through threads, and an inner claw and a plug which is connected with the inner claw in an inserting mode are arranged in the cable fixing nut; the male plug terminal is arranged in the male plug sleeve and is fixed with the male plug sleeve through a lock catch; the rear end of the male plug terminal is a riveting part fixed with the cable, and two sides of the plugging part of the male plug bush are provided with slots plugged with the plugging hook part on the female plug bush; the outer side of the plug is designed into a 3-step structure and comprises an end part 31 with the diameter phi 1, a head part 33 with the diameter phi 3 and a middle part 32 with the diameter phi 2, wherein the end part 31 is connected with the head part 33, and the middle part 32 with the diameter phi 2 is connected with the head part 33, wherein phi 1 is larger than phi 2 and phi 3; the inner claw comprises an inserting part and a claw part, wherein the inserting part is inserted into the plug, the inner diameter of the inserting part is substantially equal to the diameter of the middle part of the plug, and the outer diameter of the inserting part is substantially equal to the diameter of the end part of the plug.

2. The photovoltaic module connector of claim 1, wherein the diameter Φ 3: Φ 2 is 9: 10-9.7:10, Φ 1: phi 2 is 1.1:1-1.2: 1.

3. The photovoltaic module connector adaptable to different wire diameters as claimed in claim 1 or 2, wherein the inner wall of the head of the plug is provided with a convex rib.

4. The photovoltaic module connector adaptable to different wire diameters as claimed in claim 3, wherein the plug is made of silica gel, the hardness is 50-55 degrees, the tensile strength is greater than or equal to 7MPa, the elongation at break is greater than or equal to 300%, and the high-temperature pressure change is less than 15% (120 ℃, 2H).

5. The photovoltaic module connector adaptable to different wire diameters as claimed in claim 4, wherein the clamping jaw portion of the inner jaw is provided with a plurality of clamping jaws which are evenly arranged at intervals along the circumferential direction, and the clamping jaws are in a wedge-shaped structure in the vertical direction and the horizontal direction.

6. The photovoltaic module connector of claim 5, wherein the angle α between one side of the latch and the tangential direction of the circumference is 55 ° -65 °, and the angle β between the other side of the latch and the tangential direction of the circumference is 75 ° -85 °.

7. The photovoltaic module connector of claim 6, wherein the latch portion comprises a root portion perpendicular to the end surface of the insertion portion, a transition portion forming an angle with the root portion, and a latch portion extending from the transition portion, wherein a boss is disposed on an inner sidewall of the latch portion and adjacent to the latch portion.

8. The photovoltaic module connector adaptable to different wire diameters as claimed in claim 7, wherein the diameter of the circle formed by the arc of the inner edge of the root part of the clamping claw part is substantially equal to the diameter Φ 3 of the head part of the plug.

9. The photovoltaic module connector adaptable to different wire diameters as claimed in claim 8, wherein when the plug is assembled with the inner jaw, the circular end surface of the insertion portion of the inner jaw is disposed on the step between the end portion and the middle portion of the plug, the bottom surface of the inner side of the root portion of the jaw portion is disposed on the step between the middle portion and the head portion of the plug, and the end surface of the head portion of the plug abuts against the bottom of the protrusion on the inner side wall of the jaw portion.

10. The photovoltaic module connector adaptable to different wire diameters as claimed in claim 1, wherein there are 12 said claws.

Technical Field

The invention relates to the technical field of electric connectors, in particular to a photovoltaic module connector capable of adapting to different wire diameters.

Background

In order to solve the increasingly severe problem of environmental pollution caused by the use of traditional fossil energy, the green renewable energy industry has been rapidly developed in recent years, and a solar cell power generation technology for generating power by using the photovoltaic effect is an important green energy technology. The solar cell is made of materials capable of generating photovoltaic effect, such as silicon, gallium arsenide, indium selenium copper and the like, and can convert light energy into electric energy. At present, a photovoltaic module formed by combining a plurality of solar cells is widely applied to various photovoltaic power generation systems of buildings as a basic photovoltaic power generation unit, or a transparent film module is used as a curtain wall material of the buildings to build an energy-saving environment-friendly building. In order to improve the power generation efficiency per unit area, various photovoltaic modules with novel efficient structures are continuously developed and applied, for example, modules capable of generating power on two sides, shingle modules and the like are already in large-scale use.

The electricity generated by the photovoltaic modules needs to be led out through the junction box, and the modules are electrically connected through the electric connectors to form an array of power generation modules. At present along with various novel subassemblies, especially the more popularization of high-efficient subassembly, the generated power of subassembly is also more and more diversified, and the generating efficiency of the generating subassembly that different quantity constitutes also has a lot of specifications, consequently, the specification of the connector that subassembly or subassembly array that corresponds used also has the difference, the cable that links to each other with the connector also has different line footpaths, in order to adapt to the cable of different specifications, the product to different cable line footpaths on the market needs to correspond different connectors at present, consequently the user need purchase the connector of multiple specification in the use, it is unclear, also take place the mistake easily in terminal market simultaneously, lead to the risk.

Disclosure of Invention

In order to meet different requirements of customers and solve the problem that the photovoltaic module connector is too many in types and is easy to use and confuse, the invention aims to provide a novel connector which can simultaneously meet the wire diameter range of 4.7-7.5 (sectional area of 2.5 mm-6 mm), and integrates various connector specifications into a whole, so that the novel connector is convenient to use.

In order to achieve the purpose of the invention, the photovoltaic module connector applicable to different wire diameters comprises a female plug and a male plug, wherein the female plug comprises a female plug sleeve and a cable fixing nut in threaded connection with one end of the female plug sleeve, and an inner claw and a plug in connection with the inner claw are arranged in the cable fixing nut; the female plug terminal is arranged in the female plug sleeve and is fixed with the female plug sleeve through a lock catch; the rear end of the female plug terminal is a riveting part fixed with a cable, and two sides of the plug part of the female plug sleeve are provided with plug hook parts fixedly plugged with the male plug sleeve; the tail end of the insertion part is provided with an annular groove in which an O-shaped ring is arranged; the male plug comprises a male plug sleeve and a cable fixing nut which is connected with one end of the male plug sleeve through threads, and an inner claw and a plug which is connected with the inner claw in an inserting mode are arranged in the cable fixing nut; the male plug terminal is arranged in the male plug sleeve and is fixed with the male plug sleeve through a lock catch; the rear end of the male plug terminal is a riveting part fixed with the cable, and two sides of the plugging part of the male plug bush are provided with slots plugged with the plugging hook part on the female plug bush; the outer side of the plug is designed into a 3-step structure and comprises an end part 31 with the diameter phi 1, a head part 33 with the diameter phi 3 and a middle part 32 with the diameter phi 2, wherein the end part 31 is connected with the head part 33, and the middle part 32 with the diameter phi 2 is connected with the head part 33, wherein phi 1 is larger than phi 2 and phi 3; the inner claw comprises an inserting part and a claw part, wherein the inserting part is inserted into the plug, the inner diameter of the inserting part is substantially equal to the diameter of the middle part of the plug, and the outer diameter D1 of the inserting part is substantially equal to the diameter of the end part of the plug.

Preferably, the diameter Φ 3: Φ 2 is 9: 10-9.7:10, Φ 1: phi 2 is 1.1:1-1.2: 1.

Preferably, the inner wall of the head of the plug is provided with a convex rib.

Preferably, the plug is made of silica gel, the hardness is 50-55 ℃, the tensile strength is greater than or equal to 7MPa, the elongation at break is greater than or equal to 300%, and the high-temperature pressure change is less than 15% (120 ℃, 2H).

Preferably, the clamping jaw part of the inner jaw is provided with a plurality of clamping jaws which are uniformly distributed at intervals along the circumferential direction, and the clamping jaws are in a wedge-shaped structure in the vertical direction and the horizontal direction.

More preferably, the included angle α between one side edge of the claw and the circumferential tangential direction is 55-65 degrees, and the included angle β between the other side edge of the claw and the circumferential tangential direction is 75-85 degrees.

Preferably, the claw portion includes a root portion perpendicular to the end face of the insertion portion, a transition portion forming an angle with the root portion, and a hook portion extending from the transition portion, and a boss is provided on an inner side wall of the claw portion and is adjacent to the hook portion.

More preferably, the diameter of the circle formed by the arc of the inner edge of the root part of the clamping claw part is substantially equal to the diameter phi 3 of the head part of the plug.

Preferably, when the plug and the inner jaw are assembled in a matched manner, the circular end face of the insertion part of the inner jaw is arranged on a step between the end part and the middle part of the plug, the bottom surface of the inner side of the root part of the clamping jaw part is arranged on a step between the middle part and the head part of the plug, and the end face of the head part of the plug is adjacent to the bottom of the lug on the inner side wall of the clamping jaw part.

Still preferably, 12 clamping claw parts are provided.

According to the photovoltaic module connector, the structure of the inner claws in the cable fixing nut is optimized, the plurality of inner claws are used and have a step structure, the waterproof plug is not easy to damage and deform when a cable is inserted, the cable diameter can be compatible with a wider range, the product can be more effectively clamped and matched when being used and locked, the boss is additionally arranged inside the connector, the waterproof plug can be prevented from falling off, and meanwhile, various environment functional test requirements can be met; the use demand of the subassembly of satisfying different output specifications need not to be equipped with the connector of multiple model, is convenient for be under construction and avoids the risk that the connector misuse arouses completely.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings. Wherein:

FIG. 1 is a schematic diagram of an exploded view of the connector of the present invention;

FIG. 2 is a perspective view of the bulkhead of the connector of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the bulkhead of the connector of FIG. 1;

FIG. 4 is a perspective view of the inner jaw of the connector of FIG. 1;

FIG. 5 is a schematic top view of the inner jaw of FIG. 4;

fig. 6 is a schematic sectional view taken along line a-a of the inner jaw of fig. 5.

The main elements and reference numbers in the figures are:

1-cable fixing nut 2-inner claw 3-plug 4-female plug sleeve 5-female plug terminal 6-O-shaped ring

7-lock catch 8-male plug terminal 9-male plug sleeve.

Detailed Description

The structural features and advantages of the photovoltaic module connector of the present invention are described in detail below with reference to the accompanying drawings.

Referring to an explosion structure schematic diagram of the photovoltaic module connector adaptable to different wire diameters shown in fig. 1, the connector comprises a female plug and a male plug, the female plug comprises a female plug sleeve 4, a cable fixing nut 1 in threaded connection with one end of the female plug sleeve 4, and an inner claw 2 and a plug 3 in plug connection with the inner claw 2 are arranged in the cable fixing nut; the female plug terminal 5 is arranged in the female plug sleeve 4 and is fixed with the female plug sleeve 4 through a lock catch 7; the rear end of the female plug terminal 5 is a riveting part 51 fixed with a cable, and two sides of the plugging part 41 of the female plug sleeve 4 are provided with plug hook parts 42 fixedly plugged with the male plug sleeve; the tail end of the insertion part 41 is provided with an annular groove 43 in which an O-shaped ring 6 is arranged; the male plug comprises a male plug sleeve 9 and a cable fixing nut 1 which is connected with one end of the male plug sleeve 9 through threads, and an inner claw 2 and a plug 3 which is connected with the inner claw 2 in an inserting mode are arranged in the cable fixing nut; the male plug terminal 8 is arranged in the male plug sleeve 9 and is fixed with the male plug sleeve 9 through the lock catch 7; the rear end of the male plug terminal 8 is a riveting part 81 fixed with the cable, and two sides of the plugging part 91 of the male plug sleeve 9 are provided with slots 92 plugged with the plugging hook part 42 on the female plug sleeve.

Referring to fig. 2 and 3, the outer side of the plug 3 is designed to be a 3-step structure, and includes an end portion 31 with a diameter Φ 1, a head portion 33 with a diameter Φ 3, and an intermediate portion 32 with a diameter Φ 2, where the end portion 31 is connected with the head portion 33, where Φ 1> Φ 2> Φ 3, and Φ 3: Φ 2 is 9: 10-9.7:10, Φ 1: phi 2 is 1.1:1-1.2: 1; in a preferred embodiment, the inner wall of the head 33 is provided with a rib 331, which can improve the strength of the plug in a stretching state. In another preferred embodiment, the material of the plug is silica gel, the hardness (Shore hardness) is 50-55 degrees, the tensile strength is more than or equal to 7MPa, the elongation at break is more than or equal to 300 percent, and the high-temperature pressure change is less than 15 percent (120 ℃, 2H).

Referring next to fig. 4-6, the inner jaw 2 includes a plug portion 21 for plugging the plug 3 and a jaw portion 22, an inner diameter D2 of the plug portion 21 is substantially equal to a diameter Φ 2 of the middle portion 32 of the plug 3, an outer diameter D1 of the plug portion 21 is substantially equal to a diameter Φ 1 of the end portion 31 of the plug 3, and the "substantially equal" includes not only absolutely equal values of the relevant limited values, but also slight differences within allowable design tolerances or tolerance ranges during processing of components.

The clamping jaw part 22 of the inner jaw 2 is provided with a plurality of clamping jaws 220 which are uniformly distributed at intervals along the circumferential direction, the clamping jaws 220 are in a wedge-shaped structure in the vertical direction and the horizontal direction, referring to fig. 5, in the vertical direction, an included angle α between one side edge of each clamping jaw 220 and the circumferential tangential direction is 55-65 degrees, an included angle β between the other side edge of each clamping jaw 220 and the circumferential tangential direction is 75-85 degrees, in a preferred embodiment, each clamping jaw 220 comprises a root part 221 which is perpendicular to the end surface of the insertion part, a transition part 222 which forms an angle with the root part 221, and a clamping hook part 223 which extends from the transition part 222, a boss 224 which is adjacent to the clamping hook part 223 is arranged on the inner side wall of the clamping jaw 220 and used for improving the mechanical strength of the clamping hook part 223 and preventing the plug from falling off when a cable is connected, the diameter D3 of a circle formed by an arc at the inner side edge of the root part 220 is substantially equal to the diameter 3 of the head 33 of the plug 3, when the insertion ring 21 of the inner jaw 2 is arranged between the end surface of the insertion ring 3 and the end surface of the middle part 33 of the clamping jaw 220, and the boss 224 of the boss 220 is arranged between the bottom of the boss 224 of the boss 32 of the clamping jaw 220.

In a preferred embodiment, 12 clamping jaw parts are provided.

According to the photovoltaic module connector, the structure of the inner claws in the cable fixing nut is optimized, the plurality of inner claws are used and have a step structure, the plugs matched with the inner claws are designed, the design requirements of the plugs are limited, the waterproof plugs are not easy to damage and deform when cables are inserted, the cable diameter within a wider range can be compatible, the cable can be clamped and matched more effectively when the product is used and locked, the waterproof plugs can be prevented from falling off due to the arrangement of the bosses in the connector, and meanwhile, the functional test requirements of various environments can be met; the use demand of the subassembly of satisfying different output specifications need not to be equipped with the connector of multiple model, is convenient for be under construction and avoids the risk that the connector misuse arouses completely.

The present invention is not limited to the embodiments described above, and those skilled in the art may make modifications or changes within the scope of the disclosure without departing from the spirit of the present invention, so that the scope of the present invention is defined by the appended claims.