DE20313312U1 - Transparent spherical housing for lamp contains Light Emitting Diode mounted on flat card with solar electric cells near opening connected to extension containing accumulator battery - Google Patents

Abstract

The lamp housing (2) is spherical and has a wide aperture at the bottom, with a short neck connected to a socket containing an accumulator battery (3). There is a cylindrical housing (1) at the bottom. The lamp (4) is a LED (Light Emitting Diode) which is held on a flat plate (9) and is surrounded by an annular disk carrying solar cells (5). There is an electronic control circuit on a card (6) under the lamp, and the lamp may be surrounded by a light-diffusing cover (8).

Description

Spherical lamp

The invention relates to a floating spherical lamp that is powered by solar energy. Lamps of this type are already known from protection registrations such as DE 100 11 961 A1 or DE 20213618 U1.
The novelty of this invention is characterized by the following properties.
In the spherical solar lights already available on the market, the spherical shape is achieved by hemispherical housing parts. When the light is in operation, this always results in the formation of a visible ring at the contact points of the two hemispheres.

In the present invention, this has been circumvented by having the upper part of the housing, whose opening is on the underside, in an almost spherical shape. This allows for more uniform illumination of the sphere.
A more uniform illumination is further increased by a scattering filter that is placed directly above the lamp, which, especially when using lamps of different colors, means that the upper part of the housing takes on a uniform mixture of the different colors of the lamps.
Furthermore, this invention is characterized in that the photovoltaic power source arranged in the upper housing part has larger dimensions in the assembled state than the opening on the upper housing part.
The solar cell(s), an electrical control unit, at least one light-emitting diode and a scattering filter are arranged on a carrier that can be inserted lengthwise through the opening in the upper part of the housing. A base is inserted into the opening in the upper part of the housing and is firmly connected to the upper part of the housing. The carrier part is pulled into a holder on the base in a horizontal position and is connected to the base both positively and firmly.

The electrical control unit can control the brightness of several LEDs independently of one another and maintain it for a certain period of time. This makes it possible to create different colors and color gradients, which are stored in the form of programs on the electrical control unit. One or more such programs can be stored on the electrical control unit.

The electrical control unit obtains the required energy from at least one accumulator integrated into the luminaire, which is charged by a photovoltaic power source located in the upper part of the housing.

Character description:

Fig. 1 shows a solar-powered, spherical lamp with a sealed housing consisting of a lower housing part 1 and a translucent spherical upper housing part 2. At least one battery mutator 3, at least one light-emitting diode 4, at least one photovoltaic power source 5 and an electrical control unit 6 are arranged within the upper housing part.

The lower housing part 2 can be screwed onto the upper housing part by means of a thread, whereby a watertight connection is achieved by a sealing ring 7 mounted between the upper and lower housing parts.

The solar cell(s) 5, an electrical control unit 6, at least one light-emitting diode 4, and a scattering filter 8 are arranged on a carrier 9.

A base 10, in which the accumulators 3 are arranged, is integrally connected to the upper part of the housing.

The support part 9 is connected to the base 10 in a horizontal position in a form-fitting and material-fitting manner. Connecting cables lead from the electrical control unit 6 through the support part 9 and the base 10 to the accumulators 3.

The light-emitting diode(s) 4 are arranged under a scattering filter 8, which is positively connected to the carrier 9.

The lower housing part 1 can be screwed onto the upper housing part 2 by means of a thread, whereby a watertight connection is achieved by a sealing ring 7 mounted between the upper and lower housing parts.

Claims (8)

1. Spherical lamp, the luminous body ( 2 ) of which consists of the one-piece housing upper part ( 2 ) which has an almost fully developed spherical shape and an opening at the bottom. 2. Spherical luminaire according to claim 1, wherein the photovoltaic power source ( 5 ) arranged in the upper housing part has larger dimensions in the operating position than the opening on the underside of the upper housing part ( 2 ). 3. Luminaire according to claim 1 and 2, wherein the only opening of the housing can be closed watertight by means of a screw-on housing cover ( 1 ) and a seal ( 7 ). 4. Luminaire according to claims 1-3, wherein the illuminant(s) is/are arranged below a scattering filter ( 8 ). 5. Luminaire according to claims 1-4, wherein a scattering filter ( 8 ) is used with simultaneous use of light-emitting diodes in different colors in order to achieve a uniform illumination of the luminous body ( 2 ) in a uniform color tone. 6. Luminaire according to claims 1-5, wherein an integrated electrical control unit can control the brightness and lighting duration of several light-emitting diodes independently of one another. 7. Luminaire according to claim 6, wherein an integrated electrical control unit ( 6 ) is used to generate colors and color gradients 8. Luminaire according to claim 5 and 6, wherein different programs of color changes and color gradients can be stored in an integrated electrical control unit ( 6 ).