A photovoltaic junction box comprising a diode module and a circuit board disposed in a box body, and a heat sink mounted on the outer surface of the box body. The diode module is attached to the back side of the heat sink and is electrically connected to cooper conductor. The heat sink is made of aluminum material and a heat-absorbing layer is provided inside the heat sink. The heat-absorbing layer is close to the diode module. The aluminum heat sink provides great thermal conductivity, therefore, can greatly increase the cooling capacity of the junction box. In addition, because metal material for higher temperature resistance is used instead of lower temperature resistance plastic material, the box body would not deform as easy, greatly increase the safety and reliability of the junction box.

A bypass mechanism for a photovoltaic module which switches out the electronics and switches in a bypass mechanism.

A bypass mechanism for a photovoltaic module which switches out the electronics and switches in a bypass mechanism.

The present invention relates to an electronic circuit for photovoltaic modules, which circuit ensures that the magnitude of the reverse voltage of each solar cell in a solar module does not exceed a particular value at any time. The problem solved by the invention is that of ensuring that the electrical voltage of each solar cell string within the photovoltaic module does not fall below a particular value.

The present invention relates to an electronic circuit for photovoltaic modules, which circuit ensures that the magnitude of the reverse voltage of each solar cell in a solar module does not exceed a particular value at any time. The problem solved by the invention is that of ensuring that the electrical voltage of each solar cell string within the photovoltaic module does not fall below a particular value.

Provided is a photovoltaic module, including a first intermediate busbar having a first lead-out terminal provided at an end thereof; a second intermediate busbar having a second lead-out terminal provided at an end thereof; and a first jumper wire arranged on a first isolation bar; the first lead-out terminal and the second lead-out terminal are located on two opposite sides of the first jumper wire, and the first lead-out terminal and the second lead-out terminal abut against two opposite side surfaces of the first isolation bar or overlap a top surface of the first isolation bar. Compared with the related art, the first isolation bar where the first jumper wire is located is clamped or pressed by the first lead-out terminal and the second lead-out terminal, to prevent short circuit or shielding of the cell caused by free movement of the first jumper wire, the first and second intermediate busbars.

Provided is a photovoltaic module, including a first intermediate busbar having a first lead-out terminal provided at an end thereof; a second intermediate busbar having a second lead-out terminal provided at an end thereof; and a first jumper wire arranged on a first isolation bar; the first lead-out terminal and the second lead-out terminal are located on two opposite sides of the first jumper wire, and the first lead-out terminal and the second lead-out terminal abut against two opposite side surfaces of the first isolation bar or overlap a top surface of the first isolation bar. Compared with the related art, the first isolation bar where the first jumper wire is located is clamped or pressed by the first lead-out terminal and the second lead-out terminal, to prevent short circuit or shielding of the cell caused by free movement of the first jumper wire, the first and second intermediate busbars.

A portable solar photovoltaic (PV) electricity generator module comprises a plurality of smart power slat (SPS) units, each SPS unit comprising a plurality of solar cells electrically connected together based on a specified cell interconnection design, and, N at least one power maximizing integrated circuit collecting electricity generated by the plurality of solar cells. The plurality of SPS units are mechanically connected such that the SPS units can be retracted for volume compaction of the module, and can be expanded for increasing PV electricity generation by the module. The module can be used as part of an electric power supply with a maximum power point tracking (MPPT) power optimizer, storage battery and leads to connect to a load. The load can be AC or DC.

A solar battery unit (100) is provided that includes: a substrate (120); a solar battery (110) attached to a back face of the substrate (120); and a communications module (130) attached to the substrate (120). The communications module (130) includes an antenna (132) disposed so as not to overlap solar cells (115) in the solar battery (110) in a front view.

A solar battery unit (100) is provided that includes: a substrate (120); a solar battery (110) attached to a back face of the substrate (120); and a communications module (130) attached to the substrate (120). The communications module (130) includes an antenna (132) disposed so as not to overlap solar cells (115) in the solar battery (110) in a front view.