The technology of the present application provides a solar canopy having a cavity. The cavity defines at least one space that is sized and shaped to receive a high capacity battery, of which electric vehicle batteries are one example. The cavity includes an opening to allow access to the space. Contacts are arranged in the cavity to align with contacts of a battery inserted into the space to electrically couple the battery to the power electronics or power conditioner, which includes a power conversion system, and inverter, and a converter or transformer. The cavity also includes a heat dissipation system.

The invention discloses a junction box for a solar cell. The junction box includes a box body, wherein the box body is provided with a plurality of conducting pieces for connecting solar cell pieces; two adjacent conducting pieces are connected by a diode; the conducting pieces at both ends are connected to the outside via a guide line respectively; and the chip area of the diode in the middle is bigger than that of the diodes at both sides. According to the invention, the diode with bigger chip area is employed in parts where the temperature rise is easily produced to reduce the temperature rise; while the diode with smaller chip area is employed in parts where the temperature rise is not easily produced to control cost.

The present invention discloses a junction box for a solar cell. The junction box includes a box body, wherein the box body is provided with a plurality of conducting pieces for connecting solar cell pieces; two adjacent conducting pieces are connected by a diode; the conducting pieces at both ends are connected to the outside parts via a guide line respectively; and the forward dissipation power of the diode in the middle is less than that of the diodes at both sides. According to the invention, the diode with lower forward dissipation power is employed in parts where the temperature rise is easily produced to reduce the temperature rise; while the diode with higher forward dissipation power is employed in parts where the temperature rise is not easily produced to control cost.

A photovoltaic junction box comprises a body having a first end and a second end opposite to each other in a lengthwise direction thereof, and a first side and a second side opposite to each other in a widthwise direction thereof, a plurality of conduction terminals disposed in the body, and a plurality of diodes each having an anode pin and a cathode pad respectively soldered on two adjacent conduction terminals. An angle between two adjacent diodes of the plurality of diodes is not equal to zero.

An overload protection adapter incorporated into the control panel of a solar tracking array, the adapter being operable to interface between a motor wiring and a motor control panel. The adapter is operable to be incorporated into new and existing solar tracking array systems and provides over voltage and current protection to the motor and control panel circuits.

A junction box used for making electrical connections to a photovoltaic panel. The junction box has two chambers including a first chamber and a second chamber and a wall common to and separating both chambers. The wall may be adapted to have an electrical connection therethrough. The two lids are adapted to seal respectively the two chambers. The two lids are on opposite sides of the junction box relative to the photovoltaic panel. The two lids may be attachable using different sealing processes to a different level of hermeticity. The first chamber may be adapted to receive a circuit board for electrical power conversion. The junction box may include supports for mounting a printed circuit board in the first chamber. The second chamber is configured for electrical connection to the photovoltaic panel. A metal heat sink may be bonded inside the first chamber.

An apparatus of a junction box component housed in a junction box and designed to be coupled to a power generator. The junction box component may include one or more bypass mechanisms configured to bypass one or more substrings of the power generator in a case of malfunction or mismatch between the substring and the remainder of the power generators. The one or more bypass mechanisms may generate heat which may be transferred out of the junction box. The junction box component may be designed to conduct the heat towards the base of the junction box and/or the cover of the junction box. A heat dissipation mechanism may be mounted on the base and/or the cover. A bypass mechanism may bypass the entire power generator.

A photovoltaic junction box is provided, including: a box body; a plurality of conduction terminals received in the box body; and at least one surface-mounted diode mounted on the plurality of conduction terminals. Each surface-mounted diode includes a flat body, at least one anode pin extending outwardly from an edge of the flat body, and a cathode pad located on a bottom of the flat body. The cathode pad of at least one surface-mounted diode mounted on a surface of the conduction terminal has a heat conduction angle more than 180 degrees and less than 360 degrees. Since the heat conduction angle is more than 180 degrees, the heat produced by the diode may be rapidly transferred to the conduction terminal in time to avoid deterioration or damage to the diode, improving the heat dissipation rate, and improving the current carrying capacity of the photovoltaic junction box.

An electrical assembly may include an enclosure having a base portion to attach the enclosure to a panel and a heat dissipating portion opposite the base portion, a circuit board having a first thermal interface on a first side of the board, a second thermal interface on a second side of the board, and a thermally conductive portion to provide enhanced thermal conduction between the first thermal interface and the second thermal interface, a power electronic device having a thermal interface coupled to the first thermal interface of the circuit board, a heat spreader arranged to transfer heat to the heat dissipating portion of the enclosure, and a thermally conductive pad coupled between the second thermal interface of the circuit board and the heat spreader.

An integral inverter, usable with a solar cell module comprising a solar cell panel, can include a terminal for inputting a DC power from the solar cell panel; a bypass diode electrically connected to the terminal; an inverter member including a direct current (DC)-alternating current (AC) inverter electrically connected to the bypass diode; a case to integrate at least one of the terminal and the bypass diode with the DC-AC inverter located therein, and attached to a back surface of the solar cell panel using an adhesive; and an AC cable for outputting AC power from the case.