JP3105026U - Light source cover of projection lighting system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To further reduce and simplify a structure of a projection unit, to project a clear silhouette even when a light source in an illuminator main body is inclined, and to facilitate a combination with a illuminator main body unit. Is also possible.
SOLUTION: A light source accommodating chamber 12 for covering a light source 4 in an illuminator main body 1, a lens chamber 13 for accommodating a convex lens 14 arranged in front of the light source accommodating chamber 12, and a projection plate arranged further in front of the lens chamber 13 And a projection chamber 15 for holding and fixing the light source storage chamber 16. The light source storage chamber 12, the lens chamber 13, the projection chamber 15, and the like are partitioned, and a partition wall having an opening along the optical axis is provided. The light source cover 10 is formed in a tubular shape. The illuminator main body 1 is configured by arranging a cylindrical battery storage chamber 2 at a rear portion and a light source portion 5 to which a light source 4 of an LED element protruding forward is fixed, at a front portion. [Selection diagram] Fig. 1

Description

  This invention is suitable, for example, for projecting the outer shape of various characters and the like on walls and the like, and for illuminating with the outer shape. The present invention relates to a light source cover of a projection illuminating device that can be fixed to a front portion.

  Conventionally, the present applicant has proposed a portable flashlight-type lighting device that projects an outer shape of an animation / manga or the like, or even a logo or other various characters onto a wall surface or the like. It is on the street. That is, a projection board provided with an LED element such as a light-emitting diode at the front of a illuminator body containing a battery, and provided with an opening having a contour of a character so as to cover the LED element. The lens barrel body provided with each projection lens for adjusting the internal shape of the partial projection is slidably fitted back and forth.

Further, as shown in FIG. 4, a projection body 21 and a lens body 23 are integrally connected to the front of the illuminator body 1 in which the light source 4 of the LED element is disposed at the front. There is one that is configured by The projection room body portion 21 includes a light source room 22 that covers the light source 4 itself, and a projection room 25 that holds and fixes a projection plate 26 disposed in front of the light source room 22. , Each of which is formed so as to hold and accommodate a convex lens 24 disposed in front of the light source 4, and each has a cylindrical shape having a partition wall having an opening along the optical axis.
Registered Utility Model No. 3073400

  However, according to the conventional lighting device of Patent Document 1, the lens barrel itself, which projects and expresses the outer shape of the character, has a relatively complicated configuration, and is therefore provided at a small size and at low cost. Had some difficulties. According to the prior art shown in FIG. 4, when the light source 4 of the LED element provided in the illuminator main body 1 is attached to the illuminator main body 1 at a slight inclination, the character projected and displayed as a light source is used. The silhouettes such as are blurred, and combined with the fact that the convex lens 24 is arranged in front of the projection plate 26, the outline shape thereof is lacking in clarity.

  Therefore, this invention has been devised in view of the above-mentioned various existing circumstances. In response to the fact that the light source can be miniaturized by using an LED light source of a light emitting diode, the projection unit structure is further improved. The size and simplification can be achieved, and the outline shape of the projected silhouette is clarified. In particular, a clear silhouette is projected and displayed even when the light source of the LED element in the illuminator body is, for example, inclined and mounted. It is another object of the present invention to provide a light source cover of a projection-type lighting device which can be combined with a illuminator body and can be easily unitized.

In order to solve the above-mentioned problem, in the present invention, a light source storage room 12 that covers and stores the light source 4 in the illuminator main body 1 and a lens room 13 that stores a convex lens 14 disposed in front of the light source storage room 12. And a projection chamber 15 for holding and fixing a projection plate 16 disposed further in front of the lens chamber 13. The light source storage chamber 12, the lens chamber 13, the projection chamber 15, and the like are partitioned, and each of them is divided along the optical axis. The light source cover 10 is formed in a tubular shape having a partition wall having an opening.
Further, at the rear of the light source storage room 12, there is provided a mounting means for the illuminator main body 1, specifically, a fitting step 11 provided at the rear of the light source storage room 12, and a light fitting to the fitting step 11. A light source fitting opening 17 is formed in the rear part of the light source storage chamber 12.
Further, the illuminator body 1 has a cylindrical battery storage chamber 2 at the rear and a light source section 5 to which a light source 4 protruding forward is fixed is disposed at the front, and the light source 4 is an LED element. It can be.

In the light source cover 10 of the projection illuminating device according to the present invention configured as described above, the light source 4 is covered at the front of a predetermined illuminator main body 1 and is arranged and fixed so as to be stored. Then, the illumination by the light source 4 is converged by the convex lens 14, and the contour shape of a predetermined silhouette corresponding to the shape of the opening in the projection plate 16 is projected on a projection surface or the like. In particular, even if the light source 4 is not inclined along the optical axis of the illuminator body 1, the convex lens 14 converges the irradiation line and clearly projects the silhouette of the opening of the projection plate 16 on the projection surface. Let it.
The convex lens 14 expresses the outer shape itself of the opening of the projection plate 16 by the irradiation effect from the light source 4 on the projection surface or the like by clearly irradiating and projecting it. The convex lens 14 and the projection plate 16 are incorporated. By doing so, it can be easily attached to and detached from the illuminator main body 1 and further replaced.
The light source fitting opening 17 holds and fixes the light source 4 such as an LED element arranged in front of the illuminator main body 1 so as to be along the optical axis. Match.

  According to the light source cover 10 of the projection type lighting device according to the present invention described above, the light source 4 in the illuminator main body 1 that covers the projecting arrangement is covered, and the light source 4 is housed and connected to the illuminator main body 1. Therefore, it is possible to further reduce the size and simplification of the structure of the projection unit, and to clarify the outline shape of the silhouette projected through the convex lens 14 even when the light source 4 is inclined not along the optical axis, and It can be configured as a unitized unit that can be easily combined with the illuminator body 1 part.

  That is, this is because, in the present invention, each of the light source accommodating chamber 12, the lens chamber 13, and the projection chamber 15 is partitioned and has a cylindrical shape having a partition wall having an opening along the optical axis. The projection unit 16 is fixed to the front of the illuminator body 1 as a projection unit having a convex lens 14 disposed behind the projection plate 16 to realize clarity of the silhouette by the projection plate 16 at the time of projection. 1 can be easily attached and detached, exchangeable, and the like.

  Further, the illuminator main body 1 is configured by arranging a cylindrical battery storage chamber 2 at a rear portion and a light source portion 5 to which a light source 4 protruding forward is fixed and arranged at a front portion. It can be easily attached to and detached from the illuminator main body 1, can be easily handled together with the overall miniaturization, and can project the outline of the silhouette on a predetermined projection surface or the like corresponding to the opening of the projection plate 16. is there.

  Further, the light source cover 10 itself is reliably and easily provided by the mounting means for fitting the fitting step 11 formed at the rear part of the light source storage chamber 12 to the mounting step ridge 6 formed at the front part of the illuminator body 1. The light source 4 can be attached and fixed to the main body 1, and the light source 4 is arranged and fixed in the light source fitting opening 17 opened at the rear part of the light source storage chamber 12, so that the light source 4, which is an LED element, is firmly held. It can be held without coming off even by vibration or the like.

  Means for solving the above-described problems and reference numerals added in the respective sections of the effects of the invention are provided for easy reference to the parts indicating the respective components described in the drawings, and in the drawings. The present invention is not limited to the structure and shape indicated by the reference numeral.

  The best mode for carrying out the present invention will be described below with reference to the drawings. In the drawings, reference numeral 1 denotes an illuminator main body, and the illuminator main body 1 has a cylindrical battery storage chamber 2 at a rear portion. A light source 4 which is electrically connected to a power source 3 such as a button battery stored in the battery storage chamber 2 and is turned on and off by a switch (not shown) is disposed so as to protrude forward, for example, an LED element such as a light emitting diode. Thus, the fixed light source unit 5 is disposed at the front part, and the illuminator body 1 itself has a cylindrical shape as a whole.

  The light source unit 5 in the illuminator main body 1 is configured as a state in which the light source 4 is projected from the front part of the illuminator main body 1, and a light source unitized so as to cover the light source 4 of the light source unit 5 The cover 10 is fitted and fixed to the front part of the illuminator main body 1. That is, as shown in the figure, a fitting step 11 formed on the rear edge of the light source cover 10 is fitted to a mounting step protruding ridge 6 formed in a donut shape on the peripheral edge of the front end face in the front part of the illuminator main body 1. They are fixedly connected by fitting.

  The light source cover 10 itself covers the light source 4 itself, and accommodates the light source storage chamber 12, the lens chamber 13 that accommodates the convex lens 14 disposed in front of the light source storage chamber 12, and the light source cover 13 that is further disposed in front of the lens chamber 13. And a projection chamber 15 for holding and fixing a projection plate 16 for holding the light source. The light source storage chamber 12, the lens chamber 13, the projection chamber 15 and the like are partitioned, and a section having an opening along the optical axis is opened. It is configured in a tubular shape having walls.

  The light source storage room 12 covers the light source 4 and has a sufficient volume to store the light source 4, the lens room 13 is formed to hold and store the convex lens 14 without rattling, and the projection room 15 is The projection plate 16 is formed so as to hold a film-shaped projection plate 16 having a predetermined thickness. As shown in FIG. 2, when the main body of the light source cover 10 itself is formed by joining the half-split bodies divided into right and left, the light source 4, the convex lens 14, and the projection plate 16 are respectively positioned when forming the joint. It is designed to be held and stored.

  A light source fitting opening 17 is formed in the rear part of the light source storage chamber 12 so as to insert and fit the light source 4 protruding from the front part of the illuminator main body 1. The light source 4 can also be held by the opening 17. For example, the position and holding form of the light source 4 arranged in a state inclined with respect to the optical axis can be corrected, and the light source 4 as an LED element can be aligned with the optical axis. It has become.

  The openings formed in the projection plate 16 correspond to the outlines of predetermined various so-called characters, and the outline shape of the silhouette to be projected is clearly combined with the lens action of the convex lens 14 on the projection surface. It is projected.

  Next, an example of use of the projection type will be described. A light source cover 10 is connected to and fixed to the front of the illuminator main body 1 so as to cover the light source 4 protruding from the front of the illuminator main body 1 and is portable. It is configured as a lighting device. When power is supplied from the power supply 3 to the light source 4 by a switch operation (not shown), the light source 4 is turned on, converged by the convex lens 14, and the outer shape of the opening in the projection plate 16 is changed to a wall surface or other predetermined projection surface. Is projected and displayed. A variety of silhouettes projected as a bundle of light by attaching and detaching the light source cover 10 provided with various projection plates 16 having openings having different outer shapes to and from the illuminator main body 1 are provided. Have fun.

It is sectional drawing which shows the best form for implementing this invention. FIG. It is a partially notched perspective view similarly. It is sectional drawing in a conventional example.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 ... Illuminator main body 2 ... Battery storage room 3 ... Power supply 4 ... Light source 5 ... Light source unit 6 ... Mounting step part protrusion 10 ... Light source cover 11 ... Fitting step part 12 ... Light source storage room 13 ... Lens room 14 ... Convex lens 15 ... Projection room 16 ... Projection plate 17 ... Light source fitting opening 21 ... Projection room body 22 ... Light source room 23 ... Lens room body 24 ... Convex lens 25 ... Projection room 26 ... Projection plate

Claims (4)

  A light source storage chamber that covers and stores the light source in the illuminator body, a lens chamber that stores a convex lens disposed in front of the light source storage chamber, and a projection chamber that holds and fixes a projection plate disposed further in front of the lens chamber. A projection type illumination comprising: a light source storage room, a lens room, a projection room, etc., each of which is partitioned, and a partition wall having an opening along an optical axis is formed. Light source cover of the device.   In the rear part of the light source storage chamber, a fitting step part to be fitted to a mounting step ridge formed at a front part of the illuminator body is formed, and a light source fitting opening for arranging and fixing the light source is opened. Item 2. A light source cover of the projection illumination device according to Item 1.   The light source of the projection type lighting device according to claim 1, wherein the illuminator body has a cylindrical battery storage chamber at a rear portion, and a light source portion to which a light source protruding forward is fixed is disposed at a front portion. cover. The light source cover of the projection-type lighting device according to claim 1, wherein the light source is an LED element.

Images