Lighting device for shadowless lamp and shadowless lamp having same
A lighting device and shadowless lamp technology, applied in the field of medical machinery, can solve the problems of strong randomness of light spots, escape and overflow of light, incomplete shading effect, etc., and achieve the effects of reducing cost, overcoming uneven stress and ideal effect.
Active Publication Date: 2018-08-31
BEIJING AEONMED
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Problems solved by technology
The shading effect of this type of structure is incomplete and the light spots after total reflection are highly random, which is prone to light escaping and overflow
Method used
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[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0028] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying Describes, but does not indicate or imply that the device or element referred...
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The invention discloses an illuminating device for a shadowless lamp and the shadowless lamp with the illuminating device. The illuminating device comprises three light sources, a light shielding cover and a reflector, wherein the three light sources are sleeved with the light shielding cover, three slopes evenly distributed around the central axis of the light shielding cover at intervals are arranged on the light shielding cover, each slope extends inwards in an inclined mode from top to bottom and is provided with a light permeating groove, the three light sources are arranged to correspond to the three slopes so that light emitted by the light sources can be permeated out of the corresponding light permeating grooves. The light shielding cover is sleeved with the reflector, three reflecting arc surfaces corresponding to the three slopes respectively are formed on the inner wall of the reflector, the sphere centers of the three reflecting arc surfaces coincide with one another, the light, permeated out of the corresponding light permeating grooves, of the three light sources is reflected by the corresponding reflecting arc surfaces and then is focused to one spot, and reinforcing ribs are arranged on the outer side wall of the reflector. According to the illuminating device, the light overflow phenomenon can be avoided.
Description
technical field [0001] The invention relates to the field of medical machinery, in particular to an illuminating device for a shadowless lamp and a shadowless lamp with the same. Background technique [0002] At present, the shading structure of the light source related to the relationship between the light source, the reflecting surface and the shading device is mainly realized by a single light source, a single reflecting surface and a shading bowl. This structure achieves the effect of removing excess light by reflecting the light of a single light source through a reflective surface such as a reflector, and then shading it through a 360-degree shading bowl. At present, the application of this light source structure is mainly reflected in the hole lamp. The light source of the hole lamp is a halogen lamp. The light emitted by the halogen lamp is fully reflected by the reflector and then shielded by the shading bowl to achieve the purpose of light convergence. And the lig...
Claims
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IPC IPC(8): F21K9/235F21K9/68F21V13/02F21V15/00F21W131/205
Inventor 瞿伟
Owner BEIJING AEONMED