JP2005150067A - Pocket search light - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To realize a pocket search light that can be carried handily and that has sufficiently bright horizontal irradiation when to carry out identification activities in an outbreak of incidents and accidents, and that can be used for the investigation of blood, body fluid, or the like. <P>SOLUTION: This pocket search light is constituted of a pocket search light main body composed of an illumination part formed in a roughly rectangular shape and a handle part formed in roughly the center site of the illumination part, at least 5 or more of light emitting diodes and ultraviolet light emitting diodes installed to be positioned in the illumination part, and a lighting circuit provided with a changing switch with which these five or more of the light emitting diodes and the ultraviolet light emitting diodes can be turned on and off arbitrarily. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a portable search light used in the case of an identification activity at the time of an incident or accident.

  Conventionally, this kind of portable search lamp is not particularly dedicated, and the search lamp is too large and large, and therefore, a halogen type or xenon type illumination device used in a railway engine or the like is used.

In this type of conventional lighting device, not only horizontal irradiation to look for hair or fine broken pieces falling on the floor surface or road in forensic activities, but also for investigation of blood and body fluids, There was a drawback that a new UV lamp or the like had to be prepared.
In addition, this type of conventional lighting device has a short life of a light bulb, and easily generates heat, so that the device itself has heat and cannot be used for a long time.
nothing special

  In view of the above-mentioned conventional drawbacks, the present invention can be easily carried and has a sufficiently high level of horizontal irradiation in the case of an incident or accident, for investigation of blood, body fluids, etc. It aims to provide a portable search light that can also be used.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

  In order to achieve the above object, a portable search lamp main body comprising an illumination part formed in a substantially rectangular parallelepiped shape and a grip part formed in a substantially central part of the illumination part, and mounted so as to be located in the illumination part The portable search lamp is composed of at least five or more light emitting diodes and ultraviolet light emitting diodes and a lighting circuit having a changeover switch that can arbitrarily turn on and off the at least five light emitting diodes and ultraviolet light emitting diodes. doing.

  As is clear from the above description, the present invention has the following effects.

(1) A portable search lamp body composed of an illuminating part formed in a substantially rectangular shape and a grip part formed in a substantially central part of the illuminating part, and at least five attached so as to be located in the illuminating part Since it comprises the above light emitting diode and ultraviolet light emitting diode and a lighting circuit having a changeover switch capable of arbitrarily turning on and off the at least five light emitting diodes and ultraviolet light emitting diodes, it is easy and sufficiently bright. Horizontal irradiation can be obtained.
Therefore, it is possible to quickly and accurately find hair, fine broken pieces, and the like that have fallen on the floor surface, roads, and the like in the identification activities as compared with the conventional lighting device.

(2) According to the above (1), it can be used for investigation of blood, body fluids and the like.
Therefore, even if a UV lamp or the like is not newly prepared, it is possible to efficiently investigate blood stains and body fluids that are so small that the naked eye can miss them.

(3) According to the above (1), the search lamp can be turned on with almost no heat generated.
Therefore, it can be used continuously for a long time, and on-site identification activities can be performed effectively.

(4) According to the above (1), the structure is simple, convenient to carry, easy to use, and can be manufactured at low cost.

(5) In the second, third, fourth, and fifth aspects, the same effects as in the above (1) to (4) can be obtained.

  Hereinafter, the present invention will be described in detail with reference to the best mode for carrying out the invention shown in the drawings.

  In the best mode for carrying out the present invention shown in FIG. 1 to FIG. 7, reference numeral 1 denotes a portable search lamp of the present invention, and this portable search lamp 1 is formed of a transparent or translucent member as a whole or in front. A portable searchlight body 4 comprising a substantially rectangular illuminating portion 2 and a cylindrical grip portion 3 that can be gripped by a hand formed so as to protrude rearward from a substantially central portion of the illuminating portion 2; At least five or more light emitting diodes 5 positioned in the illumination unit 2 and mounted in a horizontal row in a direction that can be irradiated forward, and in a horizontal row state in a portion parallel to the light emitting diodes 5 as in the light emitting diodes 5 At least five or more ultraviolet light-emitting diodes 6 attached to the light-emitting diode, and the light-emitting diodes 5 and the ultraviolet light-emitting diodes 6 interposed in the search lamp body 4 can be arbitrarily turned on or off. It is composed of a lighting circuit 8 having a changeover switch 7.

  A plurality of light emitting diodes 5 and ultraviolet light emitting diodes 6 connected in series are connected in parallel.

  As shown in FIG. 5, the lighting circuit 8 is a battery 9 as a power source electrically connected to the light-emitting diode 5 and the ultraviolet light-emitting diode 6, a changeover switch 7, and a normal lighting state for a smoother lighting state. A plurality of light emitting diodes 5 connected in series and a resistor 10 interposed in the ultraviolet light emitting diode 6 are used.

  The portable search lamp 1 having the above configuration is switched when searching for evidence such as hair or fine broken pieces falling on the floor surface, road, etc. 11 in the case of an identification activity at the time of an incident or accident. Only the light-emitting diode 5 is turned on by the switch 7, and the body is lowered and searched for in a normal state placed horizontally with respect to the floor surface, the road 11 or the like.

When used when investigating the presence or absence of blood, body fluids, etc., only the ultraviolet light emitting diode 6 is turned on by the changeover switch 7, and in some cases, the portable search lamp 1 is used by being turned upside down.
Moreover, if only the ultraviolet light emitting diode 6 is irradiated after using a chemical such as luminol, the blood reaction can be confirmed more clearly.
In the present embodiment, the light-emitting diodes 5 and the ultraviolet light-emitting diodes 6 are described as being in a horizontal row, but any number of rows may be used depending on the shape of the illumination unit.
As for the connection of the light-emitting diode 5, the ultraviolet light-emitting diode, and the lamp circuit 8, any connection method may be used as long as sufficient brightness can be obtained.

  Next, different modes for carrying out the present invention shown in FIGS. 8 to 22 will be described. In the description of these different modes for carrying out the present invention, the same components as those in the best mode for carrying out the present invention are designated by the same reference numerals and redundant description is omitted. To do.

  The second embodiment for carrying out the present invention shown in FIGS. 8 and 9 is mainly different from the best first embodiment for carrying out the present invention in that the lighting circuit 8 includes a pulse drive circuit 12. , 12, even if the portable search lamp 1A using the lighting circuit 8A interposing the pulse drive circuits 12, 12 as described above is the best first embodiment for carrying out the present invention. Similar effects can be obtained, and by using the pulse drive circuits 12 and 12, a current several times the normal current can flow through the light-emitting diode 5 and the ultraviolet light-emitting diode 6, so that it is brighter and more economical to use. be able to.

  The third embodiment for carrying out the present invention shown in FIGS. 10 and 11 is mainly different from the best first embodiment for carrying out the present invention in that the light emitting diode 5 and the ultraviolet light emitting diode 6 are the same. Even in the portable search lamp 1B configured in this manner, the same operational effects as those of the first preferred embodiment for carrying out the present invention can be obtained in that they are alternately mounted in a horizontal row.

  The fourth embodiment for carrying out the present invention shown in FIGS. 12 and 13 is mainly different from the best first embodiment for carrying out the present invention in that only the light emitting diodes 5 are arranged in a horizontal row. Even if the portable search lamp 1C configured in this manner is used, it cannot be used for investigation of blood, body fluids, etc., but the same effect as the first preferred embodiment for carrying out the present invention can be obtained. It is done.

  The fifth embodiment for carrying out the present invention shown in FIG. 14 and FIG. 15 is mainly different from the best first embodiment for carrying out the present invention in that the front part is formed in an arc shape. Since the portable search lamp body 4A is configured by using the portion 2A, even if the portable search lamp 1D uses such a portable search lamp body 4A, the same operation as that of the best first embodiment for carrying out the present invention is performed. While providing an effect, it is possible to provide a more stable illuminance at a wider angle.

  The sixth embodiment for carrying out the present invention shown in FIGS. 16 and 17 is mainly different from the best first embodiment for carrying out the present invention in that the illuminating section 2 and the previous gripping section 3 are different. Are connected via a hinge member 13, and the portable search lamp 1E using the portable search lamp body 4B configured in this way has the same action as the first preferred embodiment for carrying out the present invention. The effect can be obtained, and the irradiation angle can be freely adjusted even in a slightly non-flat area so that it can be used in the best condition.

The present invention is used in industries for manufacturing lighting devices, search lamps, and the like.

1 is a front view of the best first embodiment for carrying out the present invention. The top view of the best 1st form for implementing this invention. The rear view of the best 1st form for implementing this invention. The side view of the best 1st form for implementing this invention. BRIEF DESCRIPTION OF THE DRAWINGS Explanatory drawing of the lighting circuit of the best 1st form for implementing this invention. Explanatory drawing of the use condition of the best 1st form for implementing this invention. Explanatory drawing when used for investigation of blood, body fluids and the like. The top view of the 2nd form for carrying out the present invention. Explanatory drawing of the lighting circuit of the 2nd form for implementing this invention. The front view of the 3rd form for carrying out the present invention. The top view of the 3rd form for carrying out the present invention. The front view of the 4th form for carrying out the present invention. The top view of the 4th form for carrying out the present invention. The front view of the 5th form for carrying out the present invention. The top view of the 5th form for implementing this invention. The top view of the 6th form for carrying out the present invention. The side view of the 6th form for carrying out the present invention.

Explanation of symbols

1, 1A, 1B, 1C, 1D, 1E: portable search light,
2: Lighting part, 3: Grip part,
4, 4A, 4B: portable search lamp body, 5: issuing diode,
6: ultraviolet emitting diode, 7: changeover switch 8, 8A: lighting circuit, 9: battery,
10: Resistance, 11: Floor and road,
12: Pulse drive circuit pivot, 13 hinge member.

Claims (5)

  A portable search lamp main body comprising an illumination portion formed in a substantially rectangular shape and a grip portion formed in a substantially central portion of the illumination portion, and at least five or more light emitting units mounted so as to be located in the illumination portion A portable search lamp comprising: a diode and an ultraviolet light emitting diode; and a lighting circuit including a changeover switch capable of arbitrarily turning on and off the at least five light emitting diodes and the ultraviolet light emitting diode.   A portable search lamp main body comprising an illumination part formed in a substantially rectangular shape and a grip part formed substantially in the center of the illumination part, and at least five or more light-emitting diodes mounted so as to be located in the previous illumination part And an ultraviolet light emitting diode, a lighting circuit provided with a changeover switch capable of arbitrarily turning on and off the at least five light emitting diodes and the ultraviolet light emitting diode, and a pulse driving circuit interposed in the lighting circuit A portable search light characterized by   A portable search lamp main body comprising an illumination portion formed in a substantially rectangular shape and a grip portion formed in a substantially central portion of the illumination portion, and at least five or more light emitting units mounted so as to be located in the illumination portion A portable search lamp comprising: a diode; and a lighting circuit including a change-over switch capable of arbitrarily turning on and off the at least five light emitting diodes.   The portable search lamp body is formed so that the illumination part and the grip part have substantially the same height so that they are horizontal when placed on a flat place, and can be used in the same way whether they are front or back. The portable search lamp according to claim 1, claim 2, and claim 3.   4. The portable search lamp according to claim 1, wherein the portable search lamp main body is provided with an irradiation angle adjusting mechanism so as to maintain the best irradiation state.

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