Abstract: A heat preservation lamp for breeding, including at least one mounting part, at least one light source, at least one lampshade and at least one waterproof structure. The light source includes at least one electrical connection portion, at least one fitting portion and at least one illumination portion connected in sequence, where one end of the electrical connection portion is connected to the mounting part, and the cross section of the fitting portion is arranged in an increasing manner from the end connected to the connection part to the end connected to the illumination portion; the lampshade is connected to the mounting part, and the lampshade is of an annular structure and surrounds the light source; the waterproof structure is between the fitting portion and the lampshade. The embodiments can improve the waterproof performance and ensure the service life of the heat preservation lamp.

Abstract: This application provides a method for issuing a digital certificate performed by a digital certificate issuing center that includes a public-private key generation module and an authentication module. The method includes: receiving a public-private key request from a node in a blockchain network; generating a public key and a private key of the node by using the public-private key generation module, and transmitting the public and private keys to the node; receiving the public key of the node and registration information of the node, and authenticating the registration information by using the authentication module; and generating, in accordance with a determination that the authentication succeeds, a digital certificate of the node by using the authentication module, and transmitting the digital certificate to the node. The embodiments of this application can improve the probative value of an issued digital certificate, thereby improving the security of data exchange in a blockchain network.

Abstract: A germicidal device that includes a lamp cap, a grating component, a lamp body, a germicidal component and a fan component, where the grating component is provided with a central hole and several baffles which are provided at intervals to form several light outlets; the germicidal component is provided in the central hole for emitting UV light part of which is emitted via the light outlets; the bottom of the lamp body is provided with the first ventilation hole which connects to the central hole; the fan component is provided corresponding to the first ventilation hole for ventilation of the germicidal device.

Abstract: A plant lighting system, including at least one growth rack, lifting mechanism and plant lamp. The growth rack includes at least one rack layer in an up-and-down direction, and each of the rack layers has a tray; each of the rack layers is provided with the lifting mechanism, and each two of the lifting mechanisms are oppositely arranged on two sides of one of the trays; the lifting mechanism includes at least one driving member, at least one telescopic member and at least one supporting structure, the telescopic member extends in an up-and-down direction, the supporting structure is provided at an upper end of the telescopic member and is substantially perpendicular to the telescopic member, and the driving member can drive the telescopic member to telescope up-and-down; opposite ends of the plant lamp ride over the supporting structures, and the light of the plant lamp shines toward the tray.

Abstract: A plant grow lighting system for stimulating plant growth. The plant grow lighting system includes a growth rack, at least one main plant-lighting lamp and at least one auxiliary plant-lighting lamp. Defining height direction of the growth rack as up-down direction, length direction as front-rear direction, and width direction as left-right direction, where the growth rack includes one or more rack layers; the main plant-lighting lamp is provided on the growth rack, the main plant-lighting lamp includes at least one first light-emitting module to emit light downwards; the auxiliary plant-lighting lamp is provided on the growth rack and includes two second light-emitting modules, the second light-emitting module can emit light in a horizontal direction, and the power of the auxiliary plant-lighting lamp is less than the power of the main plant-lighting lamp. The technical solution of the present disclosure makes it possible to provide uniform illumination conditions for plants.

Abstract: A ventilation-type UV light includes a light body, an air guide structure provided at the bottom of the light body, a UV module, a fan and two air inlets; the air guide structure and the light body enclose to form a mounting space, the UV module is installed inside the mounting space; the fan is provided inside the air guide structure, the bottom of the air guide structure is provided with air outlets, the air inlets are provided on the periphery or bottom of the ventilation-type UV light in an encircling way, and both the air inlets and the air outlets access the mounting space. Air can flow into the mounting space along the air inlets and then can be discharged downward via the air outlets after being sterilized and disinfected by the UV module in the mounting space.

Abstract: A straight-tube UV light includes a light body, end covers and functional subassemblies, where the light body is a hollow, straight tubular structure; the end cover includes the first end cover and the second end cover provided on the left and the right of the light body, the first end cover, the second end cover and the light body enclose to form a mounting cavity; the functional subassemblies include at least the first light source subassembly and the control power supply, provided inside the mounting cavity, the control power supply used for controlling the first light source subassembly to emit UV rays for sterilization and disinfection. This can simplify the protective structure of the light, reduce the volume of the light and improve the sealing property of the light, and derive other types of UV lights to realize standardization and unification of components of different types of UV lights.

Abstract: A power regulating device and light. The power regulating device includes a mounting base provided on the light; the mounting base provided with a mounting space; variable resistance provided inside the mounting space and electrically connecting to the control power supply of the light; control switch provided inside the mounting space and electrically connecting to the control power supply of the light; regulating part, connecting to the mounting base in a flexible way and provided with the first regulating section and the second regulating section; the first regulating section connecting to the variable resistance, the second regulating section enabling switch of the state of the control switch; compared with existing technology, the light power regulating device provided with the first regulating section and the second regulating section can realize both the continuous power regulating mode and the precise power regulating mode at the same time.

Abstract: A straight-tube UV light. The straight-tube UV light includes a light body, end covers, and functional subassemblies. The light body is of a hollow tubular structure provided in a straight line; the end cover includes a first end cover and second end cover provided on a left and right of the light body, the first end cover, the second end cover and the light body enclose to form a mounting cavity. The functional subassemblies include at least the first light source subassembly and the control power supply, provided inside the mounting cavity, the control power supply controls the first light source subassembly to emit UV rays for sterilization and disinfection. This can simplify the protective structure of the light, reduce the volume of the light, and improve a sealing property of the light.

Abstract: A grating structure and a UV light, where the grating structure includes at least two up-down baffles provided at intervals, the upper surface and the lower surface of each baffle is provided with a light absorption layer, two adjacent baffles enclose to form a light outlet; in the light emission direction of the light outlet, each baffle includes the incoming light section, the light filter section and the outgoing light section, and the incoming light section, the light filter section and the outgoing light section are respectively the first plate body, second plate body and third plate body connected in sequence, the upper surface and the lower surface of the light filter section are provided respectively with multiple upper convexes and multiple lower convexes, the height difference of the top of the upper convexes and the bottom of the lower convexes is greater than 1.5 mm.

Abstract: An inductive component and UV germicidal light. The inductive component includes: a housing and several IR sensors; the housing is provided on the lamp and is provided with one installation cavity and several mounting holes connecting the installation cavity, the several mounting holes are provided around the periphery of the shell; several IR sensors are contained in the installation cavity, each of the IR sensors is provided corresponding to one the mounting hole, the several IR sensors connect to the lamp electrically, and the IR sensors are used for sensing human bodies. The inductive component is used for sensing human bodies to work together with the lamp to turn on or turn off the lamp and improve the convenience of the lamp.