Abstract: A lens and an illumination method thereof relates to the field of illumination technologies. The lens is provided with a concave space for accommodating a light source, a first irradiation part is formed on a first side of an inner wall of the concave space, and second irradiation parts are formed on the bottom and a second side of the inner wall of the concave space; a main light beam emitted by the first irradiation part and a main light beam emitted by the second irradiation parts form an acute angle. By means of the present invention, an upper region and a lower region of a to-be-irradiated object can be illuminated through one light source at the same time, and the light source arrangement cost is reduced.

Abstract: A jewelry lighting lamp has a lighting part, a rotating part and a mounting part, the mounting part has a lamp barrel which accommodates the lighting part and rotating part. The rotating part has a driving motor, which drives the lighting part to rotate along the central axis of the lamp barrel; the lighting part has a main light source arranged on the central axis and one or more secondary light sources arranged around the main light source, the main light source and the secondary light source are driven by the rotating part to rotate along the central axis circumferentially. A jewelry lighting method using the jewelry lighting lamp is also provided. By varying luminance, the lamp solves the problem of visible light and shadows at the edge of the aperture when there are main and auxiliary light sources with different luminance.

Abstract: A shelf lighting mechanism has a lamp arranged on the upper front of the shelf, the lamp has a light source and lens, the top of the lens has a concave space for accommodating the light source, a first irradiation part is formed on one side of the inner wall of the concave space, and the light emitting surface of the first irradiation part is arranged to guide light to irradiate the upper area of the shelf; the bottom and the other side of the inner wall of the concave space are formed with a second irradiation part, and the light emitting surface of the second irradiation part is arranged to guide the other part of the light from the light source to irradiate the lower area of the shelf. The upper and lower areas of the shelf can be illuminated simultaneously by one lamp.

Abstract: An embedded shelf power taking system has a power supply track and an electrical component disposed on the power supply track, the power supply track has two strip-shaped baffles, a bottom plate and two strip-shaped electrical conductive members; the embedded shelf power taking system of the invention can be embedded into the wall for hidden installation, integrates the functions of fixing the laminate and fetching electricity with electric appliances on the laminate, and can fetch electricity at the same time when installing the laminate, which is convenient for installation and stable and reliable for fetching electricity.

Abstract: An interconnected wire trough has a trough body extending in the length direction and a wire assembly installed in the trough body, characterized in that an interconnection mechanism for connecting to another interconnected wire trough is provided at one end of the trough body, and the wire assembly includes a wire extending along the length direction of the trough body and at least two connectors arranged on the wire. The wire trough has a simple structure and can be quickly assembled to form an interconnection power supply structure which can realize the rapid installation of space lighting and can realize seamless connection of lamps with different parameters, making the appearance more tidy and beautiful.

Abstract: A load short-circuit protection circuit of LED power supply includes a power supply end, a load end, a switching module disposed between the power supply end and the load end, and a sampling resistor set in series with the load end, and further includes a signal amplification module that collects the current change signal of the sample resistor, and a protection control module that receives a amplification signal of the signal amplification module and controls the on-off of the switching module according to the signal. The circuit can quickly magnify the subtle voltage difference changes on the sampling resistor and output them to the protection control module. The resistance value of the sampling resistance can be set very small to reduce the loss. Meanwhile, the selected devices are simple, with very fast response speed, low cost and high stability.

Abstract: A high-efficiency linear light source focused strip lamp has a strip lamp frame, a strip lamp plate provided on the strip lamp frame, a condensing lens arranged above the light emitting direction of the light-emitting chip, and a strip lamp cover connected to the strip lamp frame and located above the condensing lens; the strip lamp cover is provided with a convex lens array that visually stretches the light-emitting chip along a length direction. The high-efficiency linear light source focused strip lamp performs light distribution through the concentrating lens in the vertical length direction, and achieves high-efficiency sweeping function, and in the longitudinal direction, the light-emitting chip is performed visually stretching by the convex lens arrays on the strip lamp cover, thus achieving the effect of the line light source, solves the original glare problem without affecting the efficiency.

Abstract: A circuit board has a main board with a base material of insulating material, at least one metal base copper clad laminate, and each metal base copper clad laminate is provided with at least one component and a pin connected with the main board. The circuit board and the driving power supply with the circuit board have simple structure and low manufacturing cost, and are convenient for automatic manufacturing. The power device can be directly mounted on the metal substrate through the automation equipment, so that the metal substrate can realize the function of the heat sink, thereby improving the production efficiency and reducing the process quality hidden danger; at the same time, the grounding problem of the metal substrate is solved, and the EMC problem is avoided.

Abstract: A refrigerator supporting rod for installing lighting device has a rod body, the rod body having an inner side surface facing toward the refrigerator and an outer side surface back toward the refrigerator, a heat insulating layer is provided between the inner side surface and the outer side surface, the inner side surface is provided with a lamp mounting groove extending in the longitudinal direction. According to the refrigerator supporting rod for installing lighting device, a lamp can be installed in an embedded mode to integrate the two, so that the probability of touching the lamp is reduced, and the likelihood of damage is reduced.

Abstract: A plug-in structure has at least one set of male plugs and female plugs that are mated, wherein the male plug has a pin, and the female plug includes: a mounting base, which is provided with a mounting channel for inserting the pin; multiple sets of reeds, arranged in the mounting channel at intervals along the length direction of the mounting channel for clamping the pin. A lamp can be made with the plug-in structure. According to the plug-in structure and the lamp with the plug-in structure, the multi-stage reeds are arranged in the mounting channels to clamp the pins, so that the pins can be kept straight and flat and are not prone to deforming, the insertion and extraction force can be increased, and the assembly failure rate can be reduced.

Abstract: An external connected lamp holder has a first lamp holder, the first lamp holder is provided with a first socket matched with a lamp body, the lamp body has a first driving circuit board, the external connected lamp holder further includes a first female plug assembly. The external connected lamp holder, interconnected lamp holder, driving circuit board and lamp of the embodiments realize the installation of the lamp holder and the driving circuit board through plug-in electrical connection, instead of being welded together. This construction reduces the requirements of product precision, tooling precision and assembly precision in the automated production process, and it reduces the cost of automated manufacturing and the loss in the production process of products.

Abstract: An LED flexible strip lamp has a strip lamp holder, a conductive flexible strip, an LED flexible strip and a lamp cap, the LED flexible strip includes a first bonding pad disposed at its end, the conductive flexible strip includes a flexible insulating sheet, a conductive metal foil, a second bonding pad; the lamp cap includes an internal connector, and the internal connector includes an elastic conductive member abutting against the conductive metal foil. a conductive member with the bonding pad is arranged to be welded to the LED flexible strip so as to be matched with the lamp holder in an inserted mode, automation can be achieved conveniently, and the problem that an original LED flexible strip lamp is low in production efficiency due to the fact that the lamp holder needs to be installed manually is solved.

Abstract: A light fixture with rotatable light source includes a fixed lamp holder, a rotatable lamp holder, a light source assembly, a power source and a transmission mechanism; and the light of the light source assembly has strong and weak changes while rotating with the rotatable lamp holder within the circumferential range of the rotation centerline; the power source and the transmission mechanism are used to drive the rotatable lamp holder to rotate relative to the fixed lamp holder. The light fixture with rotatable light source drives the light source assembly to rotate through the rotatable lamp holder, the light intensity changes during the light source assembly rotates around the center line of rotation. The light fixture will produce a sparkling effect especially suitable for jewelry lighting, so that jewelry is shining at all times.

Abstract: The invention discloses a freezer frame comprising a frame body, the frame body includes a low-temperature part and a heating part, and a panel installed in cooperation with the frame is provided on the heating part, characterized in that, a light source is provided on the low-temperature part, and a heat conduction channel is provided between the light source and the heating part. The freezer frame and the freezer of the present invention use the heat of the light source for lighting to heat the panel to prevent the panel from fogging and generating condensed water, prevent the freezer door and frame from freezing, and simplify the structure to reduce energy consumption and manufacturing costs.

Abstract: A shelf power supply system has a power supply track and a first power taking head and a retractable power supply track, the first power taking head has an external wiring. The retractable power supply track has a first moving part electrically connected to the external wiring and a second moving part being electrically connected with the first moving part and slideable thereon. The second moving part has a terminal. The invention can solve the problems that the wiring is complex and difficult to hide in the power supply system of the low-voltage lamps installed in the shelves and the laminates, suitable for the shelf support arms with different lengths, the size is small, the operation is very convenient, and one track can power multi-layer lamps, avoiding complex winding in the shelf, which is very simple operation and convenient for hidden installation in the shelf.