CN221447554U - Micro-inverse grid-connected connector - Google Patents

Abstract

The utility model discloses a micro-inverse grid-connected connector, which relates to the field of inverter connectors and comprises an encapsulated shell, a connector, a metal terminal base, a metal terminal, an O-shaped gasket and a photovoltaic cable, wherein the photovoltaic cable is arranged in a round hole of the metal terminal, a limiting step with a protrusion is arranged inside the metal terminal base, the O-shaped gasket is sleeved on the metal terminal, the metal terminal is limited in the metal terminal base through the O-shaped gasket, the metal terminal base is arranged in the connector, and the encapsulated shell is coated on the surfaces of the connector, the metal terminal base, the metal terminal and the photovoltaic cable. The utility model can improve the tightness of the grid-connected connection joint and reduce the assembly cost, the design cost and the material cost.

Description

Micro-inverse grid-connected connector

Technical Field

The utility model belongs to the field of inverter connectors, and particularly relates to a micro-inverse grid-connected connector.

Background

The photovoltaic power generation technology is mature and is more commonly applied to life, the photovoltaic power generation equipment and an external power grid are required to be connected in parallel, the most common and simplest modes are that external wires of the photovoltaic power generation equipment and the external power grid are peeled off, corresponding live wires, zero wires and ground wires are respectively connected, the method is that the photovoltaic power generation equipment and the external power grid are connected through a plug-socket connection mode, the former mode is obviously too simple, safety is not high, the latter cost input is large, the photovoltaic power generation equipment and the external power generation equipment are not easy to use in natural environment, because the tightness and the waterproof performance of the photovoltaic power generation equipment are considered, additional devices are added, the cost input is further increased, the existing connection mode of the line and the connector is particularly that a sealing groove is formed in one end of the connector, a sleeve is sleeved on the connector, external threads and saw teeth are arranged at the other end of the sleeve, a sealing pad is arranged at the sleeve position through the sealing pad, the abutting block with saw teeth, and finally the sealing pad is realized through the abutting block with threads, the sealing pad is realized through the pressing of the abutting block with the threaded top cover, and the sealing of the connector is difficult to assemble, and the assembly cost is high for installing the photovoltaic power generation equipment.

Therefore, how to provide a micro-inverse grid-connected connector with simple structure and good sealing performance becomes a technical problem to be solved by the person in the field.

Disclosure of utility model

The utility model aims to provide a micro-inverse grid-connected connector, which fundamentally solves the problem of tightness of the connector by an encapsulation technology and reduces the assembly cost, the design cost and the material cost.

In order to achieve the above purpose, the utility model provides a micro-inverse grid-connected connector, which comprises an encapsulation shell, a connector, a metal terminal base, a metal terminal, an O-shaped gasket and a photovoltaic cable, wherein the photovoltaic cable is arranged in a round hole of the metal terminal, a limiting step with a protrusion is arranged inside the metal terminal base, the O-shaped gasket is sleeved on the metal terminal, the metal terminal is limited in the metal terminal base through the O-shaped gasket, the metal terminal base is arranged in the connector, and the encapsulation shell is coated on the surfaces of the connector, the metal terminal base, the metal terminal and the photovoltaic cable.

Further, the inside top of joint is provided with the installation hole site, metal terminal base peg graft in the hole site.

Further, the bottom of joint is provided with the square hole of back-off for joint metal terminal base.

Further, the number of the reverse square holes is three.

Further, the side of the metal terminal is provided with a threaded hole, and the photovoltaic cable is fixed in the technical terminal through a cross-shaped pan head mechanical tooth screw.

The beneficial effects of the utility model are as follows: the utility model has simple structure, the rubber coating shell is used for tightly combining all parts, the rubber coating shell is integrally coated and formed, the threaded connection is not needed, the number of parts is reduced, the grooving and buckling design of an injection molding part is avoided, the sealing performance of the connecting joint is improved, meanwhile, the assembly cost, the design cost and the material cost are reduced, the O-shaped gasket assembled between the metal terminal and the metal terminal base can prevent glue overflow in the rubber coating process, and the sealing performance of the connecting joint is further improved.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is an exploded view of the components of the present utility model;

FIG. 3 is a schematic view of the photovoltaic cable installation of the present utility model;

fig. 4 is a bottom view of the joint of the present utility model.

Wherein, 1, an encapsulation shell; 2. a joint; 3. a metal terminal base; 4. a cross pan head mechanical tooth screw; 5. a metal terminal; 6.O-shaped washers; 7. a photovoltaic cable.

Detailed Description

In order to achieve the above objects and effects, the present utility model adopts the technical means and structure, and the features and functions of the preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

As shown in fig. 1-4, the utility model discloses a micro-inverse grid-connected connector, which comprises an encapsulation shell 1, a connector 2, a metal terminal base 3, a cross-shaped pan head mechanical tooth screw 4 with the diameter of M3 multiplied by 4mm, a metal terminal 5, an O-shaped gasket 6 and a photovoltaic cable 7.

The photovoltaic cable 7 is inserted into a round hole of the metal terminal 5, the photovoltaic cable 7 is fixed by using M3 multiplied by 4mm cross-shaped pan head mechanical tooth screws 4, the metal terminal 5 is inserted into an O-shaped gasket 6 and then is inserted into a hole corresponding to the metal terminal base 3, a circle of raised limiting steps are arranged in the metal terminal base 3 to fix the metal terminal 5 and the O-shaped gasket 6, the mounting hole is arranged at the top end in the connector 2 corresponding to the metal terminal base 3, the metal terminal base 3 is inserted into the corresponding hole in the connector 2, three inverted square holes are arranged at the bottom end of the connector 2 to clamp the metal terminal base 3, and the rubber coating is covered on the connector 2, the metal terminal base 3, the M3 multiplied by 4mm cross-shaped pan head mechanical tooth screws 4, the metal terminal 5, the O-shaped gasket 6 and the photovoltaic cable 7 which are combined to form a rubber coating shell 1, so that the manufacturing of the connecting connector is completed.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the technical scope of the present utility model, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.

Claims (5)

1. The utility model provides a connect that is incorporated into power networks slightly, its characterized in that includes rubber coating casing, joint, metal terminal base, metal terminal, O type packing ring and photovoltaic cable, the photovoltaic cable sets up in metal terminal's round hole, the inside spacing step that is provided with of metal terminal base, O type packing ring suit is on metal terminal, metal terminal passes through O type packing ring to be limited in metal terminal base, metal terminal base sets up in the joint, rubber coating casing cladding is on joint, metal terminal base, metal terminal and photovoltaic cable surface.

2. The micro-inverse grid-connected connector according to claim 1, wherein the top end of the connector is provided with a mounting hole, and the metal terminal base is inserted into the mounting hole.

3. The micro-inverse grid-connected connector as claimed in claim 1, wherein the bottom end of the connector is provided with a reverse square hole for clamping a metal terminal base.

4. A micro-inverse grid-connected connector as claimed in claim 3, wherein the number of said inverted square holes is three.

5. The micro-inverse grid-connected connector according to claim 1, wherein threaded holes are formed in the side surfaces of the metal terminals, and the photovoltaic cables are fixed in the technical terminals through cross-head mechanical tooth screws.