Electrical connector and inverter for solar cell module including same

1 . An electrical connector included in an inverter, the electrical connector comprising:

a first connector and a second connector that enable electrical and physical connection and disconnection between the inverter and a connector physic of a power source;

a bracket that couples the first connector and the second connector to each other; and

a lens unit coupled to the bracket,

wherein the lens unit comprises a lens exposed to outside of a case, and an induction pipe connected to the lens and a light source,

the first connector and the second connector are formed to protrude more than the bracket in forward and backward directions of the bracket, and

the first connector, the second connector, the bracket, and the lens unit are coupled together to form an integral structure.

2 . The electrical connector of claim 1 , wherein the induction pipe comprises a first part connected to the lens and penetrating the bracket, and a second part bent from the first part and aligned with the light source.

3 . An inverter for a solar cell module, the inverter comprising:

a substrate on which a light source is arranged, the light source operating in conjunction with an operation of the solar cell module;

a case accommodating the substrate therein;

a bracket mounted on the case;

a first connector and a second connector both coupled to the bracket; and

a lens unit coupled to the bracket,

wherein the lens unit comprises a lens exposed to outside of the case, and an induction pipe connected to the lens and the light source,

the first connector comprises a first annular step surface, a second annular step surface spaced apart from the first annular step surface, a third annular step surface spaced apart from the second annular step surface, a first tooth connecting the first annular step surface and the second annular step surface, and a first cylindrical outer circumferential surface connecting the second annular step surface and the third annular step surface,

the second connector comprises a fourth annular step surface, a fifth annular step surface spaced apart from the fourth annular step surface, a sixth annular step surface spaced apart from the fifth annular step surface, a second tooth connecting the fourth annular step surface and the fifth annular step surface, and a second cylindrical outer circumferential surface connecting the fifth annular step surface and the sixth annular step surface,

the bracket comprises a first contact surface in contact with the first annular step surface, a third tooth engaging with the first tooth, a second contact surface in contact with the second annular step surface, a third contact surface in contact with the third annular step surface, a fourth contact surface in contact with the fourth annular step surface, a fourth tooth engaging with the second tooth, a fifth contact surface in contact with the fifth annular step surface, and a sixth contact surface in contact with the sixth annular step surface, and

the lens is in contact with an outer surface of the bracket.

4 . The inverter of claim 3 , wherein the bracket comprises a seventh contact surface in contact with the first outer circumferential surface, and an eighth contact surface in contact with the second outer circumferential surface.

5 . The inverter of claim 4 , wherein the first connector comprises a third outer circumferential surface connected to the third step surface, and

the bracket comprises a ninth contact surface in contact with the third outer circumferential surface.

6 . The inverter of claim 5 , wherein an outer diameter of the third outer circumferential surface is less than an outer diameter of the first outer circumferential surface.

7 . The inverter of claim 6 , wherein the second connector comprises a fourth outer circumferential surface connected to the sixth step surface, and

the bracket comprises a tenth contact surface in contact with the fourth outer circumferential surface.

8 . The inverter of claim 7 , wherein an outer diameter of the fourth outer circumferential surface is less than an outer diameter of the second outer circumferential surface.

9 . The inverter of claim 8 , wherein a radial thickness of the third step surface is less than a radial thickness of the first step surface, and

a radial thickness of the sixth step surface is less than a radial thickness of the fourth step surface.

10 . The inverter of claim 9 , wherein the lens protrudes more than the bracket and is exposed to outside.

11 . The inverter of claim 10 , wherein the case comprises an upper case and a lower case coupled to the upper case,

the upper case comprises a rib protruding from an inner surface,

an upper surface of the bracket is in contact with the rib, and

a lower surface of the bracket is in contact with a lower surface of the lower case.

12 . The inverter of claim 11 , wherein the induction pipe comprises a first part connected to the lens and penetrating the bracket, and a second part bent from the first part and aligned with the light source.