RU222178U1 - LED LAMP IN CASE - Google Patents

Abstract

The utility model relates to lighting technology, in particular to light sources - LED lamps intended for lighting industrial workshops, sales areas, warehouses and other enclosed spaces. The LED lamp includes a large-sized housing with LED boards distributed over its area, a power supply to which interconnected LED boards with LEDs installed on them are connected with the ability to provide their heating temperature, allowing the LEDs to operate in a mode of 50% of the rated power, at which The heating gradient of the LEDs does not exceed 25°C relative to the ambient temperature. The technical result is the natural cooling of LEDs, simplifying the design and assembly technology without reducing performance characteristics. 1 salary f-ly, 2 ill.

Description

The utility model relates to lighting technology, in particular to LED lamps intended for lighting industrial workshops, sales areas, warehouses and other enclosed spaces.

A known LED lamp [Patent RU No. 119067, IPC F21S 13/10, publ. 2012.08.10], including a housing, the entire surface of which is a cooling radiator, a light source installed in the housing in the form of an LED module, and a power supply. The cooling radiator is made in the form of a honeycomb structure with openings in the shape of polygons with at least three sides. The LED lamp is equipped with a fan mounted on the rear wall of the housing. There are through holes on the outer side surfaces. The housing is made of aluminum alloy or heat-conducting plastic.

The disadvantages of this lamp are the need to use an aluminum alloy or heat-conducting plastic, as well as an additional fan due to insufficient natural cooling.

The technical result is the natural cooling of LEDs, simplifying the design and assembly technology without reducing performance characteristics.

The claimed utility model is aimed at providing LEDs with a nominal operating mode without the use of additional radiators and cooling devices by using a large number of low-power LEDs operating at 50% of the rated power, installed, for example, on 24 (another number can also be used) LED boards distributed evenly over the surface of a large plastic case, thereby ensuring sufficient cooling of the LEDs; simplification of design and assembly technology without compromising performance characteristics.

The technical result is achieved due to the fact that the LED lamp includes a large-sized housing with LED boards distributed over its area, a power supply unit to which interconnected LED boards with LEDs installed on them are connected with the ability to ensure their heating temperature, allowing the LEDs to operate in 50% of the rated power, at which the heating gradient of the LEDs does not exceed 25°C relative to the ambient temperature. Moreover, a protective glass diffuser is glued into the lower part of the case, protecting the LEDs from mechanical damage by additionally scattering the light from the LEDs.

In fig. Figure 1 shows a cross-section of the lamp.

In fig. Figure 2 shows the lamp, bottom view without protective glass diffuser.

The LED lamp includes a housing 1 made of ABS plastic, additionally, a glass diffuser 2, for example, glued to the housing 1 with glue 3, a decorative facing profile 4, LEDs 5 mounted on LED boards 6, which in turn are glued to body 1 using, for example, acrylic adhesive transfer tape, or secured in any other way (latches, screws, rivets). LEDs 5 can be made of standard housing size 2835 and installed with the ability to ensure their heating temperature, allowing the LEDs to operate at 50% of the rated power, in which the heating gradient of the LEDs does not exceed 25°C relative to the ambient temperature. Also inside the housing 1 there is a power supply 7 installed on a plate 9, to which LED boards 6 connected in series are connected. The power supply compartment 7 is closed with a decorative false panel 11. In the upper part of the housing 1 there is a loop screw 8 for hanging the lamp on a cable during its installation .

The input wire of the power supply 7 exits through the sealed gland 10 and is intended for connection to the supply voltage network; the output wire of the power supply 7 is soldered to LED boards 6 connected in series with LEDs 5 installed on them. The number of LED boards 6 can be from six to twenty-four .

The lamp is assembled as follows.

LED boards 6 with LEDs 5 installed on them, operating at 50% of the rated power, in which their heating gradient does not exceed 25°C relative to the ambient temperature, are glued to the housing 1 using acrylic adhesive transfer tape (or any other method). due to the distribution of LED boards 6 over the surface of the housing. 6 LED boards are connected in series. The loop screw 8 is threaded through the upper hole in the housing 1 and tightened with a nut. A plate 9 with a power supply unit 7 attached to it, the input wire of which was previously threaded through the sealed gland 10, is put on the loop screw 8 from the inside of the housing 1, and is secured with a nut. The output wire of the power supply 7 is soldered to the terminals of the group of LED boards 6. Using double-sided tape or in any other way, a decorative false panel 11 is glued to the housing 1, hiding the compartment of the power supply 7. If necessary, glue 3 is applied to the edge of the housing 1 around the perimeter and a glass diffuser is installed 2 and is fixed with decorative profile 4.

The lamp works as follows

Voltage is supplied to the power supply 7 through the input wire fixed in the sealed gland 10. The output voltage of the power supply 7 is supplied to a group of LED boards 6 connected in series. A direct current begins to flow through the LEDs 5, causing them to glow.

The beneficial effect is as follows: thanks to the correctly calculated cooling surface area of the housing 1 and the operating mode of the LEDs 5, soldered onto LED boards 6, which are distributed over the entire area of the housing 1, operating at 50% of the rated power, in which their heating gradient does not exceed 25° With respect to the ambient temperature, there is no need to use radiators and additional devices (fan) for cooling the LED boards 6, as well as expensive thermally conductive plastics for the manufacture of housing 1, since for normal operation of the lamp the thermal conductivity of the ABS plastic from which housing 1 is made is sufficient .

There is no need to use an aluminum radiator, heat-conducting plastic or an additional fan, as well as the simple design of the lamp simplifies the assembly technology by reducing the number of parts, greatly reduces the cost of the final product and allows the production of a larger number of products in the same period of time. Also, the absence of metal parts in the housing design makes it possible not to use protective grounding, and also to comply with the requirements of class II protection against electric shock in accordance with GOST R 58698-2019.

Claims (2)

1. An LED lamp in a housing, including a housing with LED boards distributed over its area, a power supply to which interconnected LED boards with LEDs installed on them are connected, wherein the housing is made in the shape of a hexagon, and the LED boards are located parallel to each side hexagonal housing, the LEDs are designed to ensure their heating temperature, allowing the LEDs to operate at 50% of the rated power, in which the LED heating gradient does not exceed 25°C relative to the ambient temperature. 2. LED lamp in a housing according to claim 1, characterized in that a protective glass diffuser is fixed in the lower part of the housing.