Abstract: Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly and a light combination mirror assembly. The laser assembly includes at least a laser, a light emitting surface of the laser has a plurality of light emitting regions, and beams emitted from different ones of the plurality of light emitting regions are in different colors. The light combination mirror assembly includes a plurality of mirrors that are sequentially arranged along an optical transmission path of the laser, with each of the mirrors corresponding to one of the light emitting regions. The light combination mirror assembly is used to converge the beams in different colors emitted from the laser to form a white beam.

Abstract: The disclosure relates to the field of vehicle hooks, and in particular to a vehicle hook capable of preventing reel disengagement and a vehicle, aiming at solving the problem of disengagement proneness of an existing rewinding reel from mounting notches of a hook base. To this end, the vehicle hook capable of preventing reel disengagement according to the disclosure comprises a mounting portion and a rewinding reel, wherein the mounting portion is configured to be connected to a vehicle and is provided with at least two mounting notches, the rewinding reel is rotatably arranged in the mounting notches and removably connected to the mounting portion, and at least one of the at least two mounting notches is a closable notch.

Abstract: Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly and a light combination mirror assembly. The laser assembly includes at least a laser, a light emitting surface of the laser has a plurality of light emitting regions, and beams emitted from different ones of the plurality of light emitting regions are in different colors. The light combination mirror assembly includes a plurality of mirrors that are sequentially arranged along an optical transmission path of the laser, with each of the mirrors corresponding to one of the light emitting regions. The light combination mirror assembly is used to converge the beams in different colors emitted from the laser to form a white beam.

Abstract: An electronic device low-temperature protection method includes: obtaining, by an electronic device, an environmental temperature and a temperature of a battery of the electronic device; determining, by the electronic device based on the environmental temperature and the temperature of the battery, that the electronic device is in a low-temperature environment; and implementing, by the electronic device, low-temperature protection in response to the determined being in the low-temperature environment. According to the electronic device low-temperature protection method provided in this application, both the environmental temperature and the temperature of the battery are considered, and whether the electronic device is in a low-temperature state is detected based on the environmental temperature and the temperature of the battery.

Abstract: A projection screen includes a screen board, a woven cloth, an adhesive layer, a frame, and elastic connecting members. The woven cloth is arranged on a back of the screen board, and an edge of the woven cloth is outside an edge of the screen board. The adhesive layer is connected to the screen board and the woven cloth respectively. The frame is arranged on a peripheral side of the screen board. First ends of the elastic connecting members are connected to the woven cloth, and second ends of the elastic connecting members are connected to the frame, so as to stretch the woven cloth and the screen board to a flat state by virtue of tension of the elastic connecting members.

Abstract: Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly and a light combination mirror assembly. The laser assembly includes at least a laser, a light emitting surface of the laser has a plurality of light emitting regions, and beams emitted from different ones of the plurality of light emitting regions are in different colors. The light combination mirror assembly includes a plurality of mirrors that are sequentially arranged along an optical transmission path of the laser, with each of the mirrors corresponding to one of the light emitting regions. The light combination mirror assembly is used to converge the beams in different colors emitted from the laser to form a white beam.

Abstract: Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly, where the laser assembly includes a laser and a circuit board, the laser includes a substrate and a light emitting chip arranged on the substrate, a lateral surface of the substrate is provided with a plurality of pins extending outwards therefrom, the circuit board is arranged on a side where the pins extend, and the circuit board is electrically connected to the pins. The laser light source of the present application features simple assembling and disassembling, reliable performance and relatively low cost.

Abstract: Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly, where the laser assembly includes a laser and a circuit board, the laser includes a substrate and a light emitting chip arranged on the substrate, a lateral surface of the substrate is provided with a plurality of pins extending outwards therefrom, the circuit board is arranged on a side where the pins extend, and the circuit board is electrically connected to the pins. The laser light source of the present application features simple assembling and disassembling, reliable performance and relatively low cost.

Abstract: Embodiments of the present disclosure describe a laser projection apparatus. The laser projection apparatus includes a laser source system, an optical engine, a lens system that are sequentially connected in a laser beam propagation direction, a plurality of circuit boards, a first heat dissipation system, and a second heat dissipation system. The first heat dissipation system is configured to dissipate heat of a first laser assembly in the laser source system, the optical engine, and the plurality of circuit boards, and to make airflow sequentially flow through the above components to form a first heat dissipation path. The second heat dissipation system is configured to dissipate heat of a second laser assembly in the laser source system, the lens system, and the plurality of circuit boards, and to make airflow sequentially flow through the above components to form a second heat dissipation path.

Abstract: A projection screen includes a screen board, a woven cloth, an adhesive layer, a frame, and elastic connecting members. The woven cloth is arranged on a back of the screen board, and an edge of the woven cloth is outside an edge of the screen board. The adhesive layer is connected to the screen board and the woven cloth respectively. The frame is arranged on a peripheral side of the screen board. First ends of the elastic connecting members are connected to the woven cloth, and second ends of the elastic connecting members are connected to the frame, so as to stretch the woven cloth and the screen board to a flat state by virtue of tension of the elastic connecting members.

Abstract: An electronic device low-temperature protection method includes: obtaining, by an electronic device, an environmental temperature and a temperature of a battery of the electronic device; determining, by the electronic device based on the environmental temperature and the temperature of the battery, that the electronic device is in a low-temperature environment; and implementing, by the electronic device, low-temperature protection in response to the determined being in the low-temperature environment. According to the electronic device low-temperature protection method provided in this application, both the environmental temperature and the temperature of the battery are considered, and whether the electronic device is in a low-temperature state is detected based on the environmental temperature and the temperature of the battery.

Abstract: Embodiments of the present disclosure describe a laser projection apparatus. The laser projection apparatus includes a laser source system, an optical engine, a lens system that are sequentially connected in a laser beam propagation direction, a plurality of circuit boards, a first heat dissipation system, and a second heat dissipation system. The first heat dissipation system is configured to dissipate heat of a first laser assembly in the laser source system, the optical engine, and the plurality of circuit boards, and to make airflow sequentially flow through the above components to form a first heat dissipation path. The second heat dissipation system is configured to dissipate heat of a second laser assembly in the laser source system, the lens system, and the plurality of circuit boards, and to make airflow sequentially flow through the above components to form a second heat dissipation path.

Abstract: Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly, where the laser assembly includes a laser and a circuit board, the laser includes a substrate and a light emitting chip arranged on the substrate, a lateral surface of the substrate is provided with a plurality of pins extending outwards therefrom, the circuit board is arranged on a side where the pins extend, and the circuit board is electrically connected to the pins. The laser light source of the present application features simple assembling and disassembling, reliable performance and relatively low cost.

Abstract: Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly, where the laser assembly includes a laser and a circuit board, the laser includes a substrate and a light emitting chip arranged on the substrate, a lateral surface of the substrate is provided with a plurality of pins extending outwards therefrom, the circuit board is arranged on a side where the pins extend, and the circuit board is electrically connected to the pins. The laser light source of the present application features simple assembling and disassembling, reliable performance and relatively low cost.

Abstract: The invention discloses a suction seat for an intelligent nursing toilet bowl. The suction seat comprises a housing installed on a base, the interior of the housing is an inner cavity, a temperature and humidity sensor, an excrement sensor and a flushing nozzle are respectively installed in the cavity body of the inner cavity, a urine sensor is arranged on the outer side of the lower part of the cavity body, and a discharge port connected with an external negative pressure pipeline is vertically formed in the bottom of the cavity body; and a cleaning device and a ventilation device which are communicated with the interior of the cavity body are arranged on the outer side of the rear part of the cavity body. The cleaning device can automatically adjust the height of the nozzle as well as the pressure and flow rate of running water, thereby realizing overall cleaning on human hip, and overcoming the defects that the existing nozzle is fixed and the flushing area cannot be adjusted.

Abstract: Disclosed embodiments provide a heat dissipation controlling method and an apparatus thereof for a laser projection equipment. The method includes: obtaining an ambient temperature and a compensating value of a rotating speed of a fan when a laser projection equipment is currently powered on; determining a first rotating speed value of the fan of the laser projection equipment according to the ambient temperature and first preset rotating speed information; and determining an initial rotating speed value of the fan for the current power on according to the first rotating speed value and the compensating value; taking the initial rotating speed value as a current rotating speed value; and controlling operation of the fan using the current rotating speed value to dissipate heat from the laser projection equipment. The embodiments of the present disclosure can enable promptly satisfying the demand for heat dissipation when the laser projection equipment is powered on.

Abstract: The present disclosure relates to the field of laser display technology and discloses a liquid cooling block, a liquid cooling heat dissipation system and a laser projector. The liquid cooling block includes a housing. A liquid inlet, a liquid outlet and at least two sets of cooling fins are arranged on the housing. At least two liquid storage chambers are formed in the housing. Each of the at least two liquid storage chambers corresponds to one set of the at least two sets of cooling fins. The at least two liquid storage chambers share the liquid inlet and the liquid outlet. One liquid storage chamber and its corresponding cooling fins have a total heat dissipation efficiency different from a total heat dissipation efficiency of another liquid storage chamber and its corresponding cooling fins.

Abstract: The invention discloses a suction seat for an intelligent nursing toilet bowl. The suction seat comprises a housing installed on a base, the interior of the housing is an inner cavity, a temperature and humidity sensor, an excrement sensor and a flushing nozzle are respectively installed in the cavity body of the inner cavity, a urine sensor is arranged on the outer side of the lower part of the cavity body, and a discharge port connected with an external negative pressure pipeline is vertically formed in the bottom of the cavity body; and a cleaning device and a ventilation device which are communicated with the interior of the cavity body are arranged on the outer side of the rear part of the cavity body. The cleaning device can automatically adjust the height of the nozzle as well as the pressure and flow rate of running water, thereby realizing overall cleaning on human hip, and overcoming the defects that the existing nozzle is fixed and the flushing area cannot be adjusted.

Abstract: Disclosed embodiments provide a heat dissipation controlling method and an apparatus thereof for a laser projection equipment. The method includes: obtaining an ambient temperature and a compensating value of a rotating speed of a fan when a laser projection equipment is currently powered on; determining a first rotating speed value of the fan of the laser projection equipment according to the ambient temperature and first preset rotating speed information; and determining an initial rotating speed value of the fan for the current power on according to the first rotating speed value and the compensating value; taking the initial rotating speed value as a current rotating speed value; and controlling operation of the fan using the current rotating speed value to dissipate heat from the laser projection equipment. The embodiments of the present disclosure can enable promptly satisfying the demand for heat dissipation when the laser projection equipment is powered on.

Abstract: The disclosure provides a display module and a mobile terminal, and the display module includes a liquid crystal panel and a backlight module, wherein the backlight module includes: a light guiding plate including a light incidence surface and a light exit surface, wherein protruding ridges which are light transmitting members are arranged at edges of the light exit surface; a set of optical sheets arranged on the light exit surface of the light guiding plate and engaged between the protruding ridges; and a light source arranged opposite to the light incidence surface, wherein the liquid crystal panel is arranged on the side of the set of optical sheets away from the light exit surface, and the liquid crystal panel is arranged to cover the surfaces of the protruding ridges.