Abstract: An LED lamp includes a heat sink, a plurality of LED light boards, an LED driving power and a diffuser. The heat sink has a long hollow tubular structure. The heat sink includes a top plate and a plurality of mounting plates, and an angle is defined between two adjacent mounting plates. The LED light boards are arranged on outer surface of each mounting plate. The outer surface of the top plate is exposed to air. The diffuser covers all the LED light boards, and is connected with the heat sink. Two end covers are separately arranged on two ends of the heat sink. The LED lamp in the present disclosure has the advantages of compact structure, good heat dissipation effect, large luminous angle, good waterproof effect, convenient connection and so on.

Abstract: An LED lamp includes a heat sink including a first surface with a first receiving portion thereof, and at least one LED plate installed at a bottom portion of the first receiving portion; a second receiving portion arranged on a top portion of the first receiving portion to receive a transparent element therein that covers a light-emitting surface of the LED plate; an insertion port arranged on the second receiving portion and located on a first plane of a first end of the heat sink; a first moving member arranged on the first plane of the first end and corresponding to the insertion port, a second moving member arranged on a second plane of the first end and movably connected to the heat sink, both the first and second moving members movably connected to each other and moving relative to the heat sink to open or close the insertion port.

Abstract: An LED lamp includes a heat sink; an LED module fixed to the heat sink; a lampshade positioned over the heat sink and covering the LED module; a frame; and a power supply. The frame includes at least two elongated hollow elements, and two end covers cooperatively clamping the two hollow elements to define an interior cavity. The LED module, the heat sink and the lamp shade forming at least one lamp module received in the interior cavity. The power supply is provided in at least one of the hollow members. The frame is configured to form LED lamps of different lengths, and to receive a plurality of different lamp modules.

Abstract: The present disclosure provides an LED plant growing lamp including a power supply, a plurality of LED modules, and a frame including four connecting rods and two end caps; each LED module including a heat sink, an LED light board and a junction box installed on the heat sink; each two of the four connecting rods arranged opposite each other and connected through a corresponding end cap to form a rectangular frame, the two end caps respectively arranged at both ends of the connecting rod; the power supply electrically connected with the junction box, the junction box electrically connected with the LED light board; the plurality of LED modules arranged in a row and sequentially installed on the four connecting rods, and received in the rectangular frame, thereby adjusting different luminous quantities and reducing R&D costs without needing to set heat sinks with different structures according to different luminous quantities.

Abstract: The present disclosure relates to the field of environment monitoring equipment, and in particular, to a device for determining threshold wind speed in intermittent wind-sand flow. The device includes a base. A rotary bearing is installed on the base. A circuitry is installed in the base. A telescopic rod is installed through the rotary bearing. A wind driven vane and an earth surface wind-sand monitoring frame are installed on the telescopic rod. Photoelectric induction probes are installed on the earth surface wind-sand monitoring frame.

Abstract: The present disclosure providing an LED lamp with a heat sink and with a power supply received in a housing, includes the housing, a body, the power supply received in the housing, and a first connecting member arranged between the housing and the body. The body includes the heat sink, and a plurality of first LED plates installed on the heat sink and electrically connected to the power supply; the first connecting member including an upper portion clamped with the housing, and a lower portion fixed with the heat sink. The present disclosure provides the first connecting member to separate the power supply from the heat sink and increase a distance between the power supply and the heat sink to reduce heat transferred from the first LED plates to the power supply; the first connecting member is clamped with the housing, which is convenient for assembling the LED lamp.

Abstract: A method for extracting and isolating a lutein crystal from a vegetable oil resin containing a lutein diester, comprises: dissolving lipase into deionized water to form an enzyme solution; dissolving a lutein extract into an alcohol solvent containing the deionized water to form a uniform alcohol solution; adding the enzyme solution to the alcohol solution for performing hydrolysis, and stirring same to obtain a lutein solution; filtering and performing filtration isolation on the lutein solution to obtain a crystalline; re-dissolving the crystalline into a non-polar organic solvent, and using deionized water for washing a water-soluble impurity; recycling and cooling the organic solvent to obtain a recrystallization; and isolating and drying the recrystallization to obtain the lutein crystal. In this method, selectivity is strong, reaction time is short, no waste water is produced, process is environment-friendly and suitable for industrial production, and obtained lutein crystal is high in purity and yield.

Abstract: A method, a system, and a device for diagnosing a vehicle, and a server. The method is applied to a server and includes: receiving vehicle diagnosis request information sent by a vehicle diagnosis device, where the vehicle diagnosis request information includes identity information of a user and a vehicle type; determining whether the user has an authorization of vehicle diagnosis software corresponding to the vehicle type, based on the identity information of the user; returning authorization information, for the vehicle diagnosis device to diagnose a to-be-diagnosed vehicle, if it is determined that the user has the authorization; and returning prompt information to prompt the user to acquire the authorization of the vehicle diagnosis software corresponding to the vehicle type and then to diagnose the to-be-diagnosed vehicle, if it is determined that the user does not have the authorization.

Abstract: The present disclosure providing an LED lamp with a heat sink and with a power supply received in a housing, includes the housing, a body, the power supply received in the housing, and a first connecting member arranged between the housing and the body. The body includes the heat sink, and a plurality of first LED plates installed on the heat sink and electrically connected to the power supply; the first connecting member including an upper portion clamped with the housing, and a lower portion fixed with the heat sink. The present disclosure provides the first connecting member to separate the power supply from the heat sink and increase a distance between the power supply and the heat sink to reduce heat transferred from the first LED plates to the power supply; the first connecting member is clamped with the housing, which is convenient for assembling the LED lamp.

Abstract: A method for controlling passive infrared sensors includes obtaining a three-dimensional image of a space to be laid out; arranging a plurality of PIR sensors and a plurality of sensor lamps on the three-dimensional image, a distance L between each adjacent two PIR sensors is equal to or less than a sensing radius of the PIR sensor; connecting each PIR sensor to a wireless network including a plurality of wireless sub-networks, each wireless sub-network includes four PIR sensors and at least one sensor lamp; controlling the four PIR sensors to sense living bodies in pairs every detection period, and when sensing data of living body is fed back, determining that there is at least one living body in the wireless sub-network; and determining a working state of the sensor lamp according to whether there is at least one living body in the wireless sub-network.

Abstract: The present disclosure provides an adapter and an LED lamp using the adapter, the adapter including a first body with an upper portion and a lower portion opposite to the upper portion, a first electrical connection member fixedly installed on the upper portion and electrically connected with the LED lamp, a second electrical connection member with one end electrically connecting with the first electrical connection member, the other end thereof connecting with an external electronic control member, and fixedly installed on the lower portion, the upper portion including a first wall with a first recess for arranging the first electrical connection member therein, the lower portion including a second wall with a second recess for arranging the second electrical connection member therein, the external electronic control member including a third electrical connection member electrically connected with the second electrical connection member, and at least one conductive post thereof.

Abstract: The present disclosure provides an adapter and an LED lamp using the adapter, the adapter including a first body with an upper portion and a lower portion, a first electrical connection member electrically connected with the LED lamp and including at least one conductive post, a second electrical connection member with an end electrically connecting with the first electrical connection member, the other end thereof connected with an external electronic control member, and including a first protrusion with a plurality of installing holes fixing with a plurality of conductive splints therein, the external electronic control member including a third electrical connection member with a plurality of terminals therein, the lower portion including a first wall with a first recess for inserting the first protrusion therein, the plurality of terminals rotated to insert into the plurality of conductive splints for electrically connect the adapter with the external electronic control member.

Abstract: The present disclosure provides an adapter and an LED lamp using the adapter, the adapter including a first body with an upper portion detachably connected with the LED lamp, and a lower portion opposite to the upper portion and detachably connected with an external electronic control member, a first electrical connection member fixedly installed on the upper portion, extending out of the upper portion and electrically connected to the LED lamp, a second electrical connection member fixedly installed between the upper and lower portions, with one end electrically connecting with the first electrical connection member and the other end connecting with the external electronic control member; the external electronic control member including a third electrical connection member electrically connected with the first electrical connection member by a conductive post and an elastic connecting member respectively formed thereof, which can connect with different external electronic control members by the adapter.