Abstract: The invention provides an echo cancellation system and method of a multichannel sound mixing. The echo cancellation system comprises a voice assistant module and at least one signal generating device for respectively outputting first audio data and second audio data adapted to the configuration of a loudspeaker; a copying module for copying the first audio data and the second audio data to obtain corresponding third audio data and fourth audio data; a first sound mixing module for mixing and converting the first audio data and the second audio data to obtain two-channel first sound mixing data; a second sound mixing module for mixing the third audio data and the fourth audio data to obtain second sound mixing data; an echo cancellation module for echo cancellation according to the first sound mixing data; and a playing module for receiving and playing the second sound mixing data.

Abstract: The present invention relates to a solar photovoltaic assembly. The solar photovoltaic assembly, according to the invention, includes a solar panel, an input junction box, and an output junction box. The input junction box includes a first diode, a first electric connection body connected to the first diode, and first foils respectively spliced with the first electric connection body. The input junction box is positioned on a side of the second solar panel. The output junction box includes a second diode, a second electric connection body connected to the second diode, and second foils respectively spliced with the second electric connection body. The output second junction box positioned on another side of the solar panel. The input junction box mechanically and electrically connects to a second output junction box on a connecting solar panel using a cable.

Abstract: A method for preparing a sapphire lens includes the following steps: sequentially forming an ink layer and a coating film layer on one surface of a large polymeric membrane; laser-cutting the obtained large polymeric membrane to form two or more small polymeric membranes that are as thick as the large polymeric membrane; laminating the surface of the small polymeric membrane that does not contain the ink layer and the coating film layer to one surface of a sapphire sheet, such that an adhesive layer is formed between the small polymeric membranes and the sapphire sheet, wherein the sapphire sheet has a thickness of 0.3 to 1.5 mm, and the polymeric membrane has a thickness of 0.02 to 0.2 mm; and pressing the obtained sheet material to remove bubbles, thereby obtaining a sapphire lens.

Abstract: A method for preparing a sapphire lens includes the following steps: sequentially forming an ink layer and a coating film layer on one surface of a large polymeric membrane; laser-cutting the obtained large polymeric membrane to form two or more small polymeric membranes that are as thick as the large polymeric membrane; laminating the surface of the small polymeric membrane that does not contain the ink layer and the coating film layer to one surface of a sapphire sheet, such that an adhesive layer is formed between the small polymeric membranes and the sapphire sheet, wherein the sapphire sheet has a thickness of 0.3 to 1.5 mm, and the polymeric membrane has a thickness of 0.02 to 0.2 mm; and pressing the obtained sheet material to remove bubbles, thereby obtaining a sapphire lens.

Abstract: The present invention relates to the field of electronic equipment, more particularly, to a rapid start up method for the electronic equipment, by using generating and storing the memory image in the non-volatile memory of the electronic equipment and calling the memory image to operate with recovery of the memory data and device status, complete the electronic equipment reboot, i.e., when the Android-based electronic equipment reboot, there is no need to start Kernel according to the normal start up mode firstly and call service manager and services in turn and use Zygote to create operating environment, so as to complete reboot, and then improve start up speed and user experience.

Abstract: The present invention relates to the field of electronic equipment, more particularly, to a rapid start up method for the electronic equipment, by using generating and storing the memory image in the non-volatile memory of the electronic equipment and calling the memory image to operate with recovery of the memory data and device status, complete the electronic equipment reboot, i.e., when the Android-based electronic equipment reboot, there is no need to start Kernel according to the normal start up mode firstly and call service manager and services in turn and use Zygote to create operating environment, so as to complete reboot, and then improve start up speed and user experience.

Abstract: A solar cell connection module that includes a solar cell, a first junction box, and a second junction box. The solar cell panel includes a negative electrode and a positive electrode. The first junction box includes a first conductor, a second conductor, a first cable electrically connected to the second conductor, and a diode electrically connected between the first and second conductors. The first conductor is electrically connected to the negative electrode and the second conductor is electrically connected to the positive electrode so that the diode is electrically connected in parallel with the solar cell panel. The second junction box includes a conductor piece electrically connecting to the negative electrode and a second cable electrically connected to the conductor piece.

Abstract: The invention discloses a solar photovoltaic junction box assembly having a housing having a housing body and a housing cover, a cable extending into the housing body and joined to the housing body, and an electrical connector disposed in the housing body and including at least a metal piece electrically connected to a solar cell and a terminal electrically connected to the cable, wherein a chamber for filling gel therein is formed between the terminal and the joint of the cable with the housing body. A part of the cable extending into the housing is fixed to and sealed in the housing by filling gel in the chamber, and first and second over-molded structures can further prevent the cable from being loosened relative to the housing of the junction box, and further prevent water from entering into the housing of the junction box.

Abstract: A clamp for electrically connecting a contact rail and a bus bar of a PV assembly includes a base having a first end and a second end positioned opposite the first end. Two fixing portions extend from both sides of the base and away from and perpendicular to the first surface, and adapted to detachably fix the clamp to the contact rail. An extending portion has a first bending extension extending and bent from the base, a parallel extension connected with the first bending extension and extending in parallel with and apart from the first surface, a second bending extension connected with the parallel extension and extending between the two fixing portions, and an actuating extension connected with the second bending extension and extending beyond the base. A locating protrusion is formed integrally with the base and adapted to engage within the first locating element and the second locating element.

Abstract: A solar cell connection module that includes a solar cell, a first junction box, and a second junction box. The solar cell panel includes a negative electrode and a positive electrode. The first junction box includes a first conductor, a second conductor, a first cable electrically connected to the second conductor, and a diode electrically connected between the first and second conductors. The first conductor is electrically connected to the negative electrode and the second conductor is electrically connected to the positive electrode so that the diode is electrically connected in parallel with the solar cell panel. The second junction box includes a conductor piece electrically connecting to the negative electrode and a second cable electrically connected to the conductor piece.

Abstract: A photovoltaic junction module is provided, which includes a housing, an overmolded assembly, and a cable. The overmolded assembly includes an electrical assembly and a plastic body for enclosing the electrical assembly therein. The overmolded assembly is detachably mounted to the housing. The cable extends into the housing and detachably and electrically connects to the electrical assembly.

Abstract: A junction box for a photovoltaic module is provided. The junction includes a housing and a base. The housing is prepared from a first material. The base is provided in the housing and configured to mount an electronic device. The base is prepared from a second material. With the housing and the base being separated from each other and made of different materials, the junction box meets the design requirements regarding a system voltage range of 600-1,000V according to UL.

Abstract: An electric connection system connecting adjacent BIPV glass panels and frames in a solar curtain wall. The electric connection system includes a first electrical connector, a second electrical connector, and a third electrical connector. The first electric connector is connected to an electrical component positioned in each of the adjacent BIPV glass panels, while the second electric connector is positioned in the frame and configured to mate with the first electric connector. The third electric connector electrically connects adjacent second electric connectors in adjacent frames with each other.

Abstract: The present invention relates to a solar photovoltaic assembly. The solar photovoltaic assembly, according to the invention, includes a solar panel, an input junction box, and an output junction box. The input junction box includes a first diode, a first electric connection body connected to the first diode, and first foils respectively spliced with the first electric connection body. The input junction box is positioned on a side of the second solar panel. The output junction box includes a second diode, a second electric connection body connected to the second diode, and second foils respectively spliced with the second electric connection body. The output second junction box positioned on another side of the solar panel. The input junction box mechanically and electrically connects to a second output junction box on a connecting solar panel using a cable.

Abstract: The invention discloses a junction module for a building integrated photovoltaic system, including a housing being formed with at least one chamber enclosed by a first sidewall and having a base for disposing the at least one chamber on and a cover for covering an opening of the at least one chamber. The cover has a second sidewall enclosing an outer surface of the first sidewall of the at least one chamber and constituting a part of an outer wall of the junction module. Accordingly, the cover does not occupy any space of the chamber, and it can ensure that the electrical components in the chamber have enough large clearance and creepage distance, which improves the electrical safety of the junction module without increasing the size of it.

Abstract: The invention discloses a solar photovoltaic junction box assembly having a housing having a housing body and a housing cover, a cable extending into the housing body and joined to the housing body, and an electrical connector disposed in the housing body and including at least a metal piece electrically connected to a solar cell and a terminal electrically connected to the cable, wherein a chamber for filling gel therein is formed between the terminal and the joint of the cable with the housing body. A part of the cable extending into the housing is fixed to and sealed in the housing by filling gel in the chamber, and first and second over-molded structures can further prevent the cable from being loosened relative to the housing of the junction box, and further prevent water from entering into the housing of the junction box.